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							2989 lines
						
					
					
						
							136 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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use CpChart\Classes\pData as pData;
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use CpChart\Classes\pImage as pImage;
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use CpChart\Classes\pCache as pCache;
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/**
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 * Class MySpace
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 * @package chamilo.reporting
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 */
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class MySpace
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{
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    /**
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     * Get admin actions
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     * @return string
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     */
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    public static function getAdminActions()
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    {
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        $actions = array(
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            //array('url' => api_get_path(WEB_CODE_PATH).'mySpace/index.php', 'content' => get_lang('Home')),
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            array('url' => api_get_path(WEB_CODE_PATH).'mySpace/admin_view.php?display=coaches', 'content' => get_lang('DisplayCoaches')),
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            array('url' => api_get_path(WEB_CODE_PATH).'mySpace/admin_view.php?display=user', 'content' => get_lang('DisplayUserOverview')),
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            array('url' => api_get_path(WEB_CODE_PATH).'mySpace/admin_view.php?display=session', 'content' => get_lang('DisplaySessionOverview')),
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            array('url' => api_get_path(WEB_CODE_PATH).'mySpace/admin_view.php?display=course', 'content' => get_lang('DisplayCourseOverview')),
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            array('url' => api_get_path(WEB_CODE_PATH).'tracking/question_course_report.php?view=admin', 'content' => get_lang('LPQuestionListResults')),
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            array('url' => api_get_path(WEB_CODE_PATH).'tracking/course_session_report.php?view=admin', 'content' => get_lang('LPExerciseResultsBySession')),
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        );
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        return Display :: actions($actions, null);
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    }
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    public static function getTopMenu()
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    {
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        $menu_items = array();
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        $menu_items[] = Display::url(Display::return_icon('stats.png', get_lang('MyStats'),'',ICON_SIZE_MEDIUM),api_get_path(WEB_CODE_PATH)."auth/my_progress.php" );
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        $menu_items[] = Display::url(Display::return_icon('teacher.png', get_lang('TeacherInterface'), array(), 32), api_get_path(WEB_CODE_PATH).'mySpace/?view=teacher');
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        $menu_items[] = Display::url(Display::return_icon('star_na.png', get_lang('AdminInterface'), array(), 32), '#');
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        $menu_items[] = Display::url(Display::return_icon('quiz.png', get_lang('ExamTracking'), array(), 32), api_get_path(WEB_CODE_PATH).'tracking/exams.php');
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        $menu = null;
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        foreach ($menu_items as $item) {
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            $menu .= $item;
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        }
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        $menu .= '<br />';
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        return $menu;
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    }
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    /**
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     * This function serves exporting data in CSV format.
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     * @param array $header         The header labels.
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     * @param array $data           The data array.
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     * @param string $file_name     The name of the file which contains exported data.
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     * @return string mixed             Returns a message (string) if an error occurred.
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     */
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    function export_csv($header, $data, $file_name = 'export.csv') {
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        $archive_path = api_get_path(SYS_ARCHIVE_PATH);
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        $archive_url = api_get_path(WEB_CODE_PATH).'course_info/download.php?archive=';
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        if (!$open = fopen($archive_path.$file_name, 'w+')) {
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            $message = get_lang('noOpen');
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        } else {
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            $info = '';
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            foreach ($header as $value) {
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                $info .= $value.';';
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            }
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            $info .= "\r\n";
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            foreach ($data as $row) {
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                foreach ($row as $value) {
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                    $info .= $value.';';
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                }
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                $info .= "\r\n";
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            }
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            fwrite($open, $info);
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            fclose($open);
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            @chmod($file_name, api_get_permissions_for_new_files());
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            header("Location:".$archive_url.$file_name);
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        }
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        return $message;
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    }
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    /**
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     * Gets the connections to a course as an array of login and logout time
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     *
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     * @param   int     User ud
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     * @param   int   $courseId
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     * @param   int     Session id (optional, default = 0)
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     * @return  array   Conections
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     */
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    static function get_connections_to_course($user_id, $courseId, $session_id = 0)
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    {
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        // Database table definitions
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        $tbl_track_course = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
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        // protect data
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        $user_id     = intval($user_id);
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        $courseId = intval($courseId);
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        $session_id  = intval($session_id);
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        $sql = 'SELECT login_course_date, logout_course_date FROM ' . $tbl_track_course . '
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                WHERE   user_id = '.$user_id.' AND
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                        c_id = '.$courseId.' AND
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                        session_id = '.$session_id.'
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                ORDER BY login_course_date ASC';
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        $rs = Database::query($sql);
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        $connections = array();
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        while ($row = Database::fetch_array($rs)) {
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            $timestamp_login_date = api_strtotime($row['login_course_date'], 'UTC');
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            $timestamp_logout_date = api_strtotime($row['logout_course_date'], 'UTC');
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            $connections[] = array('login' => $timestamp_login_date, 'logout' => $timestamp_logout_date);
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        }
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        return $connections;
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    }
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    /**
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     * @param $user_id
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     * @param $course_list
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     * @param int $session_id
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     * @return array|bool
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     */
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    static function get_connections_from_course_list($user_id, $course_list, $session_id = 0)
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    {
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        // Database table definitions
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        $tbl_track_course = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
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        if (empty($course_list)) {
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            return false;
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        }
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        // protect data
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        $user_id     = intval($user_id);
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        $session_id  = intval($session_id);
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        $new_course_list = array();
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        foreach ($course_list as $course_item) {
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            $courseInfo = api_get_course_info($course_item['code']);
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            $courseId = $courseInfo['real_id'];
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            $new_course_list[] =  '"'.$courseId.'"';
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        }
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        $course_list = implode(', ', $new_course_list);
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        if (empty($course_list)) {
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            return false;
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        }
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        $sql = 'SELECT login_course_date, logout_course_date, course_code
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                FROM ' . $tbl_track_course . '
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                WHERE   user_id = '.$user_id.' AND
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                        c_id IN ('.$course_list.') AND
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                        session_id = '.$session_id.'
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                ORDER BY login_course_date ASC';
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        $rs = Database::query($sql);
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        $connections = array();
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        while ($row = Database::fetch_array($rs)) {
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            $timestamp_login_date = api_strtotime($row['login_course_date'], 'UTC');
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            $timestamp_logout_date = api_strtotime($row['logout_course_date'], 'UTC');
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            $connections[] = array(
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                'login' => $timestamp_login_date,
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                'logout' => $timestamp_logout_date,
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                'c_id' => $row['c_id']
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            );
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        }
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        return $connections;
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    }
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    /**
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     * Creates a small table in the last column of the table with the user overview
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     *
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     * @param integer $user_id the id of the user
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     * @param array $url_params additonal url parameters
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     * @param array $row the row information (the other columns)
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     * @return string html code
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     */
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    public static function course_info_tracking_filter($user_id, $url_params, $row)
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    {
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        // the table header
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        $return = '<table class="data_table" style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
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        /*$return .= '  <tr>';
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        $return .= '        <th>'.get_lang('Course').'</th>';
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        $return .= '        <th>'.get_lang('AvgTimeSpentInTheCourse').'</th>';
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        $return .= '        <th>'.get_lang('AvgStudentsProgress').'</th>';
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        $return .= '        <th>'.get_lang('AvgCourseScore').'</th>';
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        $return .= '        <th>'.get_lang('AvgExercisesScore').'</th>';
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        $return .= '        <th>'.get_lang('AvgMessages').'</th>';
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        $return .= '        <th>'.get_lang('AvgAssignments').'</th>';
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        $return .= '        <th>'.get_lang('TotalExercisesScoreObtained').'</th>';
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        $return .= '        <th>'.get_lang('TotalExercisesScorePossible').'</th>';
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        $return .= '        <th>'.get_lang('TotalExercisesAnswered').'</th>';
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        $return .= '        <th>'.get_lang('TotalExercisesScorePercentage').'</th>';
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        $return .= '        <th>'.get_lang('FirstLogin').'</th>';
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        $return .= '        <th>'.get_lang('LatestLogin').'</th>';
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        $return .= '    </tr>';*/
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        // database table definition
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        $tbl_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
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        // getting all the courses of the user
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        $sql = "SELECT * FROM $tbl_course_user
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                WHERE user_id = '".intval($user_id)."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ";
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        $result = Database::query($sql);
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        while ($row = Database::fetch_row($result)) {
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            $courseCode = $row[0];
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            $courseInfo = api_get_course_info($courseCode);
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            $courseId = $courseInfo['real_id'];
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            $return .= '<tr>';
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            // course code
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            $return .= '    <td width="157px" >'.cut($courseCode, 20, true).'</td>';
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            // time spent in the course
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            $return .= '    <td><div>'.api_time_to_hms(Tracking :: get_time_spent_on_the_course($user_id, $courseId)).'</div></td>';
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            // student progress in course
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            $return .= '    <td><div>'.round(Tracking :: get_avg_student_progress($user_id, $courseCode), 2).'</div></td>';
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            // student score
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            $avg_score = Tracking :: get_avg_student_score($user_id, $courseCode);
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            if (is_numeric($avg_score)) {
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                $avg_score = round($avg_score,2);
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            } else {
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                $$avg_score = '-';
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            }
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            $return .= '    <td><div>'.$avg_score.'</div></td>';
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            // student tes score
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            //$return .= '  <td><div style="width:40px">'.round(Tracking :: get_avg_student_exercise_score ($user_id, $courseCode),2).'%</div></td>';
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            // student messages
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            $return .= '    <td><div>'.Tracking :: count_student_messages($user_id, $courseCode).'</div></td>';
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            // student assignments
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            $return .= '    <td><div>'.Tracking :: count_student_assignments($user_id, $courseCode).'</div></td>';
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            // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
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            $exercises_results = MySpace::exercises_results($user_id, $courseCode);
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            $return .= '    <td width="105px"><div>'.(is_null($exercises_results['percentage']) ? '' : $exercises_results['score_obtained'].'/'.$exercises_results['score_possible'].' ( '.$exercises_results['percentage'].'% )').'</div></td>';
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            //$return .= '  <td><div>'.$exercises_results['score_possible'].'</div></td>';
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            $return .= '    <td><div>'.$exercises_results['questions_answered'].'</div></td>';
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            $return .= '    <td><div>'.Tracking :: get_last_connection_date_on_the_course ($user_id, $courseId).'</div></td>';
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            $return .= '<tr>';
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        }
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        $return .= '</table>';
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        return $return;
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    }
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    /**
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     * Display a sortable table that contains an overview off all the reporting progress of all users and all courses the user is subscribed to
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     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
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     * @version Dokeos 1.8.6
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     * @since October 2008
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     */
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    public static function display_tracking_user_overview()
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    {
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        MySpace::display_user_overview_export_options();
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        $t_head = '    <table style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
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        //$t_head .= '  <caption>'.get_lang('CourseInformation').'</caption>';
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        $t_head .=      '<tr>';
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        $t_head .= '        <th width="155px" style="border-left:0;border-bottom:0"><span>'.get_lang('Course').'</span></th>';
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        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgTimeSpentInTheCourse'), 6, true).'</span></th>';
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        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgStudentsProgress'), 6, true).'</span></th>';
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        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgCourseScore'), 6, true).'</span></th>';
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        //$t_head .= '      <th><div style="width:40px">'.get_lang('AvgExercisesScore').'</div></th>';
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        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalNumberOfMessages'), 6, true).'</span></th>';
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						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalNumberOfAssignments'), 6, true).'</span></th>';
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						|
        $t_head .= '        <th width="105px" style="border-bottom:0"><span>'.get_lang('TotalExercisesScoreObtained').'</span></th>';
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						|
        //$t_head .= '      <th><div>'.get_lang('TotalExercisesScorePossible').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalExercisesAnswered'), 6, true).'</span></th>';
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						|
        //$t_head .= '      <th><div>'.get_lang('TotalExercisesScorePercentage').'</div></th>';
 | 
						|
        //$t_head .= '      <th><div style="width:60px">'.get_lang('FirstLogin').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0;border-right:0;"><span>'.get_lang('LatestLogin').'</span></th>';
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        $t_head .= '    </tr></table>';
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						|
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        $addparams = array('view' => 'admin', 'display' => 'useroverview');
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						|
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        $table = new SortableTable('tracking_user_overview', array('MySpace','get_number_of_users_tracking_overview'), array('MySpace','get_user_data_tracking_overview'), 0);
 | 
						|
        $table->additional_parameters = $addparams;
 | 
						|
 | 
						|
        $table->set_header(0, get_lang('OfficialCode'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
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						|
        if (api_is_western_name_order()) {
 | 
						|
            $table->set_header(1, get_lang('FirstName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
            $table->set_header(2, get_lang('LastName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
        } else {
 | 
						|
            $table->set_header(1, get_lang('LastName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
            $table->set_header(2, get_lang('FirstName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
        }
 | 
						|
        $table->set_header(3, get_lang('LoginName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
        $table->set_header(4, $t_head, false, array('style' => 'width:90%;border:0;padding:0;font-size:7.5pt;'), array('style' => 'width:90%;padding:0;font-size:7.5pt;'));
 | 
						|
        $table->set_column_filter(4, array('MySpace','course_info_tracking_filter'));
 | 
						|
        $table->display();
 | 
						|
    }
 | 
						|
 | 
						|
    public static function display_tracking_coach_overview($export_csv)
 | 
						|
    {
 | 
						|
        if ($export_csv) {
 | 
						|
            $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
 | 
						|
        } else {
 | 
						|
            $is_western_name_order = api_is_western_name_order();
 | 
						|
        }
 | 
						|
        $sort_by_first_name = api_sort_by_first_name();
 | 
						|
        $tracking_column = isset($_GET['tracking_list_coaches_column']) ? $_GET['tracking_list_coaches_column'] : ($is_western_name_order xor $sort_by_first_name) ? 1 : 0;
 | 
						|
        $tracking_direction = (isset($_GET['tracking_list_coaches_direction']) && in_array(strtoupper($_GET['tracking_list_coaches_direction']), array('ASC', 'DESC', 'ASCENDING', 'DESCENDING', '0', '1'))) ? $_GET['tracking_list_coaches_direction'] : 'DESC';
 | 
						|
        // Prepare array for column order - when impossible, use some of user names.
 | 
						|
        if ($is_western_name_order) {
 | 
						|
            $order = array(0 => 'firstname', 1 => 'lastname', 2 => ($sort_by_first_name ? 'firstname' : 'lastname'), 3 => 'login_date', 4 => ($sort_by_first_name ? 'firstname' : 'lastname'), 5 => ($sort_by_first_name ? 'firstname' : 'lastname'));
 | 
						|
        } else {
 | 
						|
            $order = array(0 => 'lastname', 1 => 'firstname', 2 => ($sort_by_first_name ? 'firstname' : 'lastname'), 3 => 'login_date', 4 => ($sort_by_first_name ? 'firstname' : 'lastname'), 5 => ($sort_by_first_name ? 'firstname' : 'lastname'));
 | 
						|
        }
 | 
						|
        $table = new SortableTable('tracking_list_coaches_myspace', array('MySpace', 'count_coaches'), null, ($is_western_name_order xor $sort_by_first_name) ? 1 : 0);
 | 
						|
        $parameters['view'] = 'admin';
 | 
						|
        $table->set_additional_parameters($parameters);
 | 
						|
        if ($is_western_name_order) {
 | 
						|
            $table -> set_header(0, get_lang('FirstName'), true);
 | 
						|
            $table -> set_header(1, get_lang('LastName'), true);
 | 
						|
        } else {
 | 
						|
            $table -> set_header(0, get_lang('LastName'), true);
 | 
						|
            $table -> set_header(1, get_lang('FirstName'), true);
 | 
						|
        }
 | 
						|
        $table -> set_header(2, get_lang('TimeSpentOnThePlatform'), false);
 | 
						|
        $table -> set_header(3, get_lang('LastConnexion'), false);
 | 
						|
        $table -> set_header(4, get_lang('NbStudents'), false);
 | 
						|
        $table -> set_header(5, get_lang('CountCours'), false);
 | 
						|
        $table -> set_header(6, get_lang('NumberOfSessions'), false);
 | 
						|
        $table -> set_header(7, get_lang('Sessions'), false);
 | 
						|
 | 
						|
        if ($is_western_name_order) {
 | 
						|
            $csv_header[] = array (
 | 
						|
                get_lang('FirstName', ''),
 | 
						|
                get_lang('LastName', ''),
 | 
						|
                get_lang('TimeSpentOnThePlatform', ''),
 | 
						|
                get_lang('LastConnexion', ''),
 | 
						|
                get_lang('NbStudents', ''),
 | 
						|
                get_lang('CountCours', ''),
 | 
						|
                get_lang('NumberOfSessions', '')
 | 
						|
            );
 | 
						|
        } else {
 | 
						|
            $csv_header[] = array (
 | 
						|
                get_lang('LastName', ''),
 | 
						|
                get_lang('FirstName', ''),
 | 
						|
                get_lang('TimeSpentOnThePlatform', ''),
 | 
						|
                get_lang('LastConnexion', ''),
 | 
						|
                get_lang('NbStudents', ''),
 | 
						|
                get_lang('CountCours', ''),
 | 
						|
                get_lang('NumberOfSessions', '')
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        $tbl_track_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
 | 
						|
        $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
        $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
        $tbl_sessions = Database::get_main_table(TABLE_MAIN_SESSION);
 | 
						|
 | 
						|
        $sqlCoachs = "SELECT DISTINCT scu.id_user as id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
 | 
						|
			FROM $tbl_user, $tbl_session_course_user scu, $tbl_track_login
 | 
						|
			WHERE scu.id_user=user_id AND scu.status=2  AND login_user_id=user_id
 | 
						|
			GROUP BY user_id ";
 | 
						|
 | 
						|
        if (api_is_multiple_url_enabled()) {
 | 
						|
            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
 | 
						|
            $access_url_id = api_get_current_access_url_id();
 | 
						|
            if ($access_url_id != -1) {
 | 
						|
                $sqlCoachs = "SELECT DISTINCT scu.id_user as id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
 | 
						|
					FROM $tbl_user, $tbl_session_course_user scu, $tbl_track_login , $tbl_session_rel_access_url session_rel_url
 | 
						|
					WHERE scu.id_user=user_id AND scu.status=2 AND login_user_id=user_id AND access_url_id = $access_url_id AND session_rel_url.session_id=id_session
 | 
						|
					GROUP BY user_id ";
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if (!empty($order[$tracking_column])) {
 | 
						|
            $sqlCoachs .= "ORDER BY ".$order[$tracking_column]." ".$tracking_direction;
 | 
						|
        }
 | 
						|
 | 
						|
        $result_coaches = Database::query($sqlCoachs);
 | 
						|
        $total_no_coaches = Database::num_rows($result_coaches);
 | 
						|
        $global_coaches = array();
 | 
						|
        while ($coach = Database::fetch_array($result_coaches)) {
 | 
						|
            $global_coaches[$coach['user_id']] = $coach;
 | 
						|
        }
 | 
						|
 | 
						|
        $sql_session_coach = 'SELECT session.id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
 | 
						|
			FROM '.$tbl_user.','.$tbl_sessions.' as session,'.$tbl_track_login.'
 | 
						|
			WHERE id_coach=user_id AND login_user_id=user_id
 | 
						|
			GROUP BY user_id
 | 
						|
			ORDER BY login_date '.$tracking_direction;
 | 
						|
 | 
						|
        if (api_is_multiple_url_enabled()) {
 | 
						|
            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
 | 
						|
            $access_url_id = api_get_current_access_url_id();
 | 
						|
            if ($access_url_id != -1) {
 | 
						|
                $sql_session_coach = 'SELECT session.id_coach, user_id, lastname, firstname, MAX(login_date) as login_date
 | 
						|
					FROM '.$tbl_user.','.$tbl_sessions.' as session,'.$tbl_track_login.' , '.$tbl_session_rel_access_url.' as session_rel_url
 | 
						|
					WHERE id_coach=user_id AND login_user_id=user_id  AND access_url_id = '.$access_url_id.' AND  session_rel_url.session_id=session.id
 | 
						|
					GROUP BY user_id
 | 
						|
					ORDER BY login_date '.$tracking_direction;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $result_sessions_coach = Database::query($sql_session_coach);
 | 
						|
        $total_no_coaches += Database::num_rows($result_sessions_coach);
 | 
						|
        while ($coach = Database::fetch_array($result_sessions_coach)) {
 | 
						|
            $global_coaches[$coach['user_id']] = $coach;
 | 
						|
        }
 | 
						|
 | 
						|
        $all_datas = array();
 | 
						|
 | 
						|
        foreach ($global_coaches as $id_coach => $coaches) {
 | 
						|
 | 
						|
            $time_on_platform   = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($coaches['user_id']));
 | 
						|
            $last_connection    = Tracking :: get_last_connection_date($coaches['user_id']);
 | 
						|
            $nb_students        = count(Tracking :: get_student_followed_by_coach($coaches['user_id']));
 | 
						|
            $nb_courses         = count(Tracking :: get_courses_followed_by_coach($coaches['user_id']));
 | 
						|
            $nb_sessions        = count(Tracking :: get_sessions_coached_by_user($coaches['user_id']));
 | 
						|
 | 
						|
            $table_row = array();
 | 
						|
            if ($is_western_name_order) {
 | 
						|
                $table_row[] = $coaches['firstname'];
 | 
						|
                $table_row[] = $coaches['lastname'];
 | 
						|
            } else {
 | 
						|
                $table_row[] = $coaches['lastname'];
 | 
						|
                $table_row[] = $coaches['firstname'];
 | 
						|
            }
 | 
						|
            $table_row[] = $time_on_platform;
 | 
						|
            $table_row[] = $last_connection;
 | 
						|
            $table_row[] = $nb_students;
 | 
						|
            $table_row[] = $nb_courses;
 | 
						|
            $table_row[] = $nb_sessions;
 | 
						|
            $table_row[] = '<a href="session.php?id_coach='.$coaches['user_id'].'"><img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a>';
 | 
						|
            $all_datas[] = $table_row;
 | 
						|
 | 
						|
            if ($is_western_name_order) {
 | 
						|
                $csv_content[] = array(
 | 
						|
                    api_html_entity_decode($coaches['firstname'], ENT_QUOTES, $charset),
 | 
						|
                    api_html_entity_decode($coaches['lastname'], ENT_QUOTES, $charset),
 | 
						|
                    $time_on_platform,
 | 
						|
                    $last_connection,
 | 
						|
                    $nb_students,
 | 
						|
                    $nb_courses,
 | 
						|
                    $nb_sessions
 | 
						|
                );
 | 
						|
            } else {
 | 
						|
                $csv_content[] = array(
 | 
						|
                    api_html_entity_decode($coaches['lastname'], ENT_QUOTES, $charset),
 | 
						|
                    api_html_entity_decode($coaches['firstname'], ENT_QUOTES, $charset),
 | 
						|
                    $time_on_platform,
 | 
						|
                    $last_connection,
 | 
						|
                    $nb_students,
 | 
						|
                    $nb_courses,
 | 
						|
                    $nb_sessions
 | 
						|
                );
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if ($tracking_column != 3) {
 | 
						|
            if ($tracking_direction == 'DESC') {
 | 
						|
                usort($all_datas, array('MySpace','rsort_users'));
 | 
						|
            } else {
 | 
						|
                usort($all_datas, array('MySpace','sort_users'));
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if ($export_csv && $tracking_column != 3) {
 | 
						|
            usort($csv_content, 'sort_users');
 | 
						|
        }
 | 
						|
        if ($export_csv) {
 | 
						|
            $csv_content = array_merge($csv_header, $csv_content);
 | 
						|
        }
 | 
						|
 | 
						|
        foreach ($all_datas as $row) {
 | 
						|
            $table -> addRow($row, 'align="right"');
 | 
						|
        }
 | 
						|
        $table -> display();
 | 
						|
    }
 | 
						|
 | 
						|
    public static function count_coaches() {
 | 
						|
        global $total_no_coaches;
 | 
						|
        return $total_no_coaches;
 | 
						|
    }
 | 
						|
 | 
						|
    public static function sort_users($a, $b) {
 | 
						|
        return api_strcmp(trim(api_strtolower($a[$_SESSION['tracking_column']])), trim(api_strtolower($b[$_SESSION['tracking_column']])));
 | 
						|
    }
 | 
						|
 | 
						|
    public static function rsort_users($a, $b) {
 | 
						|
        return api_strcmp(trim(api_strtolower($b[$_SESSION['tracking_column']])), trim(api_strtolower($a[$_SESSION['tracking_column']])));
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview off all the progress of the user in a session
 | 
						|
     * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
 | 
						|
     */
 | 
						|
    public static function display_tracking_lp_progress_overview($sessionId = '', $courseId = '', $date_from, $date_to) {
 | 
						|
 | 
						|
        $course = api_get_course_info_by_id($courseId);
 | 
						|
        /**
 | 
						|
         * Column name
 | 
						|
         * The order is important you need to check the $column variable in the model.ajax.php file
 | 
						|
         */
 | 
						|
        $columns = array(
 | 
						|
            get_lang('Username'),
 | 
						|
            get_lang('FirstName'),
 | 
						|
            get_lang('LastName'),
 | 
						|
        );
 | 
						|
        //add lessons of course
 | 
						|
        $lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
 | 
						|
 | 
						|
        //create columns array
 | 
						|
        foreach ($lessons as $lesson_id => $lesson)
 | 
						|
        {
 | 
						|
            $columns[] = $lesson['name'];
 | 
						|
        }
 | 
						|
 | 
						|
        $columns[] = get_lang('Total');
 | 
						|
 | 
						|
        /**
 | 
						|
         * Column config
 | 
						|
         */
 | 
						|
        $column_model   = array(
 | 
						|
            array('name'=>'username',   'index'=>'username',  'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'firstname',  'index'=>'firstname',    'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'lastname',   'index'=>'lastname',     'align'=>'left', 'search' => 'true'),
 | 
						|
        );
 | 
						|
        //get dinamic column names
 | 
						|
        foreach ($lessons as $lesson_id => $lesson)
 | 
						|
        {
 | 
						|
            $column_model[] = array('name'=> $lesson['id'],   'index'=>$lesson['id'],    'align'=>'left', 'search' => 'true');
 | 
						|
        }
 | 
						|
 | 
						|
        $column_model[] = array('name'=>'total',   'index'=>'total',    'align'=>'left', 'search' => 'true');
 | 
						|
 | 
						|
        $action_links = '';
 | 
						|
        // jqgrid will use this URL to do the selects
 | 
						|
        $url = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_session_lp_progress&session_id=' . $sessionId . '&course_id=' . $courseId . '&date_to=' . $date_to . '&date_from=' . $date_from;
 | 
						|
 | 
						|
        //Table Id
 | 
						|
        $tableId = 'lpProgress';
 | 
						|
 | 
						|
        //Autowidth
 | 
						|
        $extra_params['autowidth'] = 'true';
 | 
						|
 | 
						|
        //height auto
 | 
						|
        $extra_params['height'] = 'auto';
 | 
						|
 | 
						|
        $table = Display::grid_js($tableId, $url, $columns, $column_model, $extra_params, array(), $action_links, true);
 | 
						|
 | 
						|
        $return = '<script>$(function() {'. $table .
 | 
						|
            'jQuery("#'.$tableId.'").jqGrid("navGrid","#'.$tableId.'_pager",{view:false, edit:false, add:false, del:false, search:false, excel:true});
 | 
						|
                jQuery("#'.$tableId.'").jqGrid("navButtonAdd","#'.$tableId.'_pager",{
 | 
						|
                       caption:"",
 | 
						|
                       title:"' . get_lang('ExportExcel') . '",
 | 
						|
                       onClickButton : function () {
 | 
						|
                           jQuery("#'.$tableId.'").jqGrid("excelExport",{"url":"'.$url.'&export_format=xls"});
 | 
						|
                       }
 | 
						|
                });
 | 
						|
            });</script>';
 | 
						|
        $return .= Display::grid_html($tableId);
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview off all the progress of the user in a session
 | 
						|
     * @param   int $sessionId  The session ID
 | 
						|
     * @param   int $courseId   The course ID
 | 
						|
     * @param   int $exerciseId The quiz ID
 | 
						|
     * @param   int $answer Answer status (0 = incorrect, 1 = correct, 2 = both)
 | 
						|
     * @return  string  HTML array of results formatted for gridJS
 | 
						|
     * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
 | 
						|
     */
 | 
						|
    static function display_tracking_exercise_progress_overview(
 | 
						|
        $sessionId = 0,
 | 
						|
        $courseId = 0,
 | 
						|
        $exerciseId = 0,
 | 
						|
        $date_from = null,
 | 
						|
        $date_to = null
 | 
						|
    ) {
 | 
						|
        $date_from = Security::remove_XSS($date_from);
 | 
						|
        $date_to = Security::remove_XSS($date_to);
 | 
						|
        /**
 | 
						|
         * Column names
 | 
						|
         * The column order is important. Check $column variable in the main/inc/ajax/model.ajax.php file
 | 
						|
         */
 | 
						|
        $columns = array(
 | 
						|
            get_lang('Session'),
 | 
						|
            get_lang('ExerciseId'),
 | 
						|
            get_lang('ExerciseName'),
 | 
						|
            get_lang('Username'),
 | 
						|
            get_lang('LastName'),
 | 
						|
            get_lang('FirstName'),
 | 
						|
            get_lang('Time'),
 | 
						|
            get_lang('QuestionId'),
 | 
						|
            get_lang('QuestionTitle'),
 | 
						|
            get_lang('WorkDescription'),
 | 
						|
            get_lang('Answer'),
 | 
						|
            get_lang('Correct'),
 | 
						|
        );
 | 
						|
 | 
						|
        /**
 | 
						|
         * Column config
 | 
						|
         */
 | 
						|
        $column_model   = array(
 | 
						|
            array('name'=>'session', 'index'=>'session', 'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'exercise_id', 'index'=>'exercise_id', 'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'quiz_title', 'index'=>'quiz_title', 'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'username', 'index'=>'username', 'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'lastname', 'index'=>'lastname', 'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'firstname', 'index'=>'firstname', 'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'time', 'index'=>'time', 'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'question_id', 'index'=>'question_id', 'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'question', 'index'=>'question', 'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'description', 'index'=>'description', 'align'=>'left', 'width' => '550', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'answer', 'index'=>'answer', 'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'correct', 'index'=>'correct', 'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
        );
 | 
						|
        //get dynamic column names
 | 
						|
 | 
						|
        // jqgrid will use this URL to do the selects
 | 
						|
        $url = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_exercise_progress&session_id=' . $sessionId . '&course_id=' . $courseId  . '&exercise_id=' . $exerciseId . '&date_to=' . $date_to . '&date_from=' . $date_from;
 | 
						|
 | 
						|
        // Autowidth
 | 
						|
        $extra_params['autowidth'] = 'true';
 | 
						|
 | 
						|
        // height auto
 | 
						|
        $extra_params['height'] = 'auto';
 | 
						|
 | 
						|
        $tableId = 'exerciseProgressOverview';
 | 
						|
        $table = Display::grid_js($tableId, $url, $columns, $column_model, $extra_params, array(), '', true);
 | 
						|
 | 
						|
        $return = '<script>$(function() {'. $table .
 | 
						|
            'jQuery("#'.$tableId.'").jqGrid("navGrid","#'.$tableId.'_pager",{view:false, edit:false, add:false, del:false, search:false, excel:true});
 | 
						|
                jQuery("#'.$tableId.'").jqGrid("navButtonAdd","#'.$tableId.'_pager",{
 | 
						|
                       caption:"",
 | 
						|
                       title:"' . get_lang('ExportExcel') . '",
 | 
						|
                       onClickButton : function () {
 | 
						|
                           jQuery("#'.$tableId.'").jqGrid("excelExport",{"url":"'.$url.'&export_format=xls"});
 | 
						|
                       }
 | 
						|
                });
 | 
						|
            });</script>';
 | 
						|
        $return .= Display::grid_html($tableId);
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview off all the progress of the user in a session
 | 
						|
     * @param   int $sessionId The session ID
 | 
						|
     * @param   int $courseId The course ID
 | 
						|
     * @param null $date_from
 | 
						|
     * @param null $date_to
 | 
						|
     * @internal param int $exerciseId The quiz ID
 | 
						|
     * @internal param int $answer Answer status (0 = incorrect, 1 = correct, 2 = both)
 | 
						|
     * @return  string  HTML array of results formatted for gridJS
 | 
						|
     * @author Francis Gonzales <francis.gonzales@beeznest.com>, Beeznest Team
 | 
						|
     */
 | 
						|
    static function display_tracking_grade_overview($sessionId = 0, $courseId = 0, $date_from = null, $date_to = null)
 | 
						|
    {
 | 
						|
        /**
 | 
						|
         * Column names
 | 
						|
         * The column order is important. Check $column variable in the main/inc/ajax/model.ajax.php file
 | 
						|
         */
 | 
						|
        $objExercise = new Exercise();
 | 
						|
        $exercises = $objExercise->getExercisesByCouseSession($courseId, $sessionId);
 | 
						|
 | 
						|
        $cntExer = 4;
 | 
						|
        if (!empty($exercises)) {
 | 
						|
            $cntExer += count($exercises);
 | 
						|
        }
 | 
						|
 | 
						|
        $column = array();
 | 
						|
        $column_model = array();
 | 
						|
        $i = 1;
 | 
						|
        //Get dynamic column names
 | 
						|
        foreach (range(1, $cntExer) as $cnt) {
 | 
						|
            switch ($cnt) {
 | 
						|
                case 1:
 | 
						|
                    $column[] = get_lang('Section');
 | 
						|
                    $column_model[] = array(
 | 
						|
                        'name' => 'session',
 | 
						|
                        'index' => 'session',
 | 
						|
                        'align' => 'center',
 | 
						|
                        'search' => 'true',
 | 
						|
                    );
 | 
						|
                    break;
 | 
						|
                case 2:
 | 
						|
                    $column[] = get_lang('Username');
 | 
						|
                    $column_model[] = array(
 | 
						|
                        'name' => 'username',
 | 
						|
                        'index' => 'username',
 | 
						|
                        'align' => 'center',
 | 
						|
                        'search' => 'true',
 | 
						|
                    );
 | 
						|
                    break;
 | 
						|
                case 3:
 | 
						|
                    $column[] = get_lang('FirstName');
 | 
						|
                    $column_model[] = array(
 | 
						|
                        'name' => 'name',
 | 
						|
                        'index' => 'name',
 | 
						|
                        'align' => 'left',
 | 
						|
                        'search' => 'true',
 | 
						|
                    );
 | 
						|
                    break;
 | 
						|
                case $cntExer:
 | 
						|
                    $column[] = get_lang('FinalScore');
 | 
						|
                    $column_model[] = array(
 | 
						|
                        'name' => 'finalscore',
 | 
						|
                        'index' => 'finalscore',
 | 
						|
                        'align' => 'center',
 | 
						|
                        'search' => 'true',
 | 
						|
                        'wrap_cell' => "true"
 | 
						|
                    );
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    $title = "";
 | 
						|
                    if (!empty($exercises[$cnt - 4]['title'])) {
 | 
						|
                        $title = ucwords(strtolower(trim($exercises[$cnt - 4]['title'])));
 | 
						|
                    }
 | 
						|
 | 
						|
                    $column[] = $title;
 | 
						|
                    $column_model[] = array(
 | 
						|
                        'name' => 'exer' . $i,
 | 
						|
                        'index' => 'exer' . $i,
 | 
						|
                        'align' => 'center',
 | 
						|
                        'search' => 'true',
 | 
						|
                        'wrap_cell' => "true"
 | 
						|
                    );
 | 
						|
                    $i++;
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        //end get dynamic column names
 | 
						|
        // jqgrid will use this URL to do the selects
 | 
						|
        $url = api_get_path(WEB_AJAX_PATH) . 'model.ajax.php?a=get_exercise_grade&session_id=' . $sessionId . '&course_id=' . $courseId;
 | 
						|
 | 
						|
        //Autowidth
 | 
						|
        $extra_params['autowidth'] = 'true';
 | 
						|
 | 
						|
        //height auto
 | 
						|
        $extra_params['height'] = 'auto';
 | 
						|
 | 
						|
        $tableId = 'exerciseGradeOverview';
 | 
						|
        $table = Display::grid_js($tableId, $url, $column, $column_model, $extra_params, array(), '', true);
 | 
						|
 | 
						|
        $return = '<script>$(function() {' . $table .
 | 
						|
            'jQuery("#' . $tableId . '").jqGrid("navGrid","#' . $tableId . '_pager",{view:false, edit:false, add:false, del:false, search:false, excel:true});
 | 
						|
                jQuery("#' . $tableId . '").jqGrid("navButtonAdd","#' . $tableId . '_pager",{
 | 
						|
                       caption:"",
 | 
						|
                       title:"' . get_lang('ExportExcel') . '",
 | 
						|
                       onClickButton : function () {
 | 
						|
                           jQuery("#' . $tableId . '").jqGrid("excelExport",{"url":"' . $url . '&export_format=xls"});
 | 
						|
                       }
 | 
						|
                });
 | 
						|
            });</script>';
 | 
						|
        $return .= Display::grid_html($tableId);
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview off all the progress of the user in a session
 | 
						|
     * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
 | 
						|
     */
 | 
						|
    function display_survey_overview($sessionId = 0, $courseId = 0, $surveyId = 0, $date_from, $date_to)
 | 
						|
    {
 | 
						|
        /**
 | 
						|
         * Column name
 | 
						|
         * The order is important you need to check the $column variable in the model.ajax.php file
 | 
						|
         */
 | 
						|
        $columns = array(
 | 
						|
            get_lang('Username'),
 | 
						|
            get_lang('FirstName'),
 | 
						|
            get_lang('LastName'),
 | 
						|
        );
 | 
						|
        //add lessons of course
 | 
						|
        $questions = survey_manager::get_questions($surveyId, $courseId);
 | 
						|
 | 
						|
        foreach ($questions as $question) {
 | 
						|
            $columns[] = $question['question'];
 | 
						|
        }
 | 
						|
 | 
						|
        /**
 | 
						|
         * Column config
 | 
						|
         */
 | 
						|
        $column_model   = array(
 | 
						|
            array('name'=>'username',   'index'=>'username',    'align'=>'left', 'search' => 'true', 'wrap_cell' => "true"),
 | 
						|
            array('name'=>'firstname',  'index'=>'firstname',   'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'lastname',   'index'=>'lastname',    'align'=>'left', 'search' => 'true'),
 | 
						|
        );
 | 
						|
        //get dinamic column names
 | 
						|
        foreach ($questions as $question_id => $question) {
 | 
						|
            $column_model[] = array(
 | 
						|
                'name'=> $question_id,
 | 
						|
                'index'=>$question_id,
 | 
						|
                'width'=>'70',
 | 
						|
                'align'=>'left',
 | 
						|
                'search' => 'true'
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        $action_links = '';
 | 
						|
 | 
						|
        // jqgrid will use this URL to do the selects
 | 
						|
        $url = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_survey_overview&session_id=' . $sessionId . '&course_id=' . $courseId . '&survey_id=' . $surveyId . '&date_to=' . $date_to . '&date_from=' . $date_from;
 | 
						|
 | 
						|
        //Table Id
 | 
						|
        $tableId = 'lpProgress';
 | 
						|
 | 
						|
        //Autowidth
 | 
						|
        $extra_params['autowidth'] = 'true';
 | 
						|
 | 
						|
        //height auto
 | 
						|
        $extra_params['height'] = 'auto';
 | 
						|
 | 
						|
        $table = Display::grid_js($tableId, $url, $columns, $column_model, $extra_params, array(), $action_links, true);
 | 
						|
 | 
						|
        $return = '<script>$(function() {'. $table .
 | 
						|
            'jQuery("#'.$tableId.'").jqGrid("navGrid","#'.$tableId.'_pager",{view:false, edit:false, add:false, del:false, search:false, excel:true});
 | 
						|
                jQuery("#'.$tableId.'").jqGrid("navButtonAdd","#'.$tableId.'_pager",{
 | 
						|
                       caption:"",
 | 
						|
                       title:"' . get_lang('ExportExcel') . '",
 | 
						|
                       onClickButton : function () {
 | 
						|
                           jQuery("#'.$tableId.'").jqGrid("excelExport",{"url":"'.$url.'&export_format=xls"});
 | 
						|
                       }
 | 
						|
                });
 | 
						|
            });</script>';
 | 
						|
        $return .= Display::grid_html($tableId);
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview off all the progress of the user in a session
 | 
						|
     * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
 | 
						|
     */
 | 
						|
    static function display_tracking_progress_overview($sessionId = 0, $courseId = 0,  $date_from, $date_to)
 | 
						|
    {
 | 
						|
        //The order is important you need to check the the $column variable in the model.ajax.php file
 | 
						|
        $columns = array(
 | 
						|
            get_lang('LastName'),
 | 
						|
            get_lang('FirstName'),
 | 
						|
            get_lang('Username'),
 | 
						|
            #get_lang('Profile'),
 | 
						|
            get_lang('Total'),
 | 
						|
            get_lang('Courses'),
 | 
						|
            get_lang('LearningPaths'),
 | 
						|
            get_lang('Exercises'),
 | 
						|
            get_lang('Forums'),
 | 
						|
            get_lang('Assignments'),
 | 
						|
            get_lang('ToolWiki'),
 | 
						|
            get_lang('ToolSurvey'),
 | 
						|
            //Learning paths
 | 
						|
            get_lang('LearnpathsTotal'),
 | 
						|
            get_lang('LearnpathsDone'),
 | 
						|
            get_lang('LearnpathsLeft'),
 | 
						|
            get_lang('LearnpathsProgress'),
 | 
						|
            //Exercises
 | 
						|
            get_lang('ExercisesTotal'),
 | 
						|
            get_lang('ExercisesDone'),
 | 
						|
            get_lang('ExercisesLeft'),
 | 
						|
            get_lang('ExercisesProgress'),
 | 
						|
            //Forums
 | 
						|
            get_lang('ForumsTotal'),
 | 
						|
            get_lang('ForumsDone'),
 | 
						|
            get_lang('ForumsLeft'),
 | 
						|
            get_lang('ForumsProgress'),
 | 
						|
            //Assignments
 | 
						|
            get_lang('AssignmentsTotal'),
 | 
						|
            get_lang('AssignmentsDone'),
 | 
						|
            get_lang('AssignmentsLeft'),
 | 
						|
            get_lang('AssignmentsProgress'),
 | 
						|
            //Wiki
 | 
						|
            get_lang('WikiTotal'),
 | 
						|
            get_lang('WikiRevisions'),
 | 
						|
            get_lang('WikiRead'),
 | 
						|
            get_lang('WikiUnread'),
 | 
						|
            get_lang('WikiProgress'),
 | 
						|
            //Surveys
 | 
						|
            get_lang('SurveysTotal'),
 | 
						|
            get_lang('SurveysDone'),
 | 
						|
            get_lang('SurveysLeft'),
 | 
						|
            get_lang('SurveysProgress'),
 | 
						|
        );
 | 
						|
 | 
						|
        //Column config
 | 
						|
        $column_model   = array(
 | 
						|
            array('name'=>'lastname',   'index'=>'lastname',     'align'=>'left'),
 | 
						|
            array('name'=>'firstname',  'index'=>'firstname',    'align'=>'left'),
 | 
						|
            array('name'=>'username',   'index'=>'username',     'align'=>'left'),
 | 
						|
            #array('name'=>'profile',   'index'=>'username',     'align'=>'left'),
 | 
						|
            array('name'=>'total',      'index'=>'total',        'align'=>'left'),
 | 
						|
            array('name'=>'courses',    'index'=>'courses',      'align'=>'left', 'sortable' => 'false'),
 | 
						|
            array('name'=>'lessons',    'index'=>'lessons',      'align'=>'left', 'sortable' => 'false'),
 | 
						|
            array('name'=>'exercises',  'index'=>'exercises',    'align'=>'left', 'sortable' => 'false'),
 | 
						|
            array('name'=>'forums',     'index'=>'forums',       'align'=>'left', 'sortable' => 'false'),
 | 
						|
            array('name'=>'homeworks',  'index'=>'homeworks',    'align'=>'left', 'sortable' => 'false'),
 | 
						|
            array('name'=>'wikis',      'index'=>'wikis',        'align'=>'left', 'sortable' => 'false'),
 | 
						|
            array('name'=>'surveys',    'index'=>'surveys',      'align'=>'left', 'sortable' => 'false'),
 | 
						|
            //Lessons
 | 
						|
            array('name'=>'lessons_total',    'index'=>'lessons_total',      'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'lessons_done',     'index'=>'lessons_done',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'lessons_left',     'index'=>'lessons_left',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'lessons_progress', 'index'=>'lessons_progress',   'align'=>'center', 'sortable' => 'false'),
 | 
						|
            //Exercises
 | 
						|
            array('name'=>'exercises_total',    'index'=>'exercises_total',      'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'exercises_done',     'index'=>'exercises_done',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'exercises_left',     'index'=>'exercises_left',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'exercises_progress', 'index'=>'exercises_progress',   'align'=>'center', 'sortable' => 'false'),
 | 
						|
            //Assignments
 | 
						|
            array('name'=>'forums_total',    'index'=>'forums_total',        'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'forums_done',     'index'=>'forums_done',         'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'forums_left',     'index'=>'forums_left',         'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'forums_progress', 'index'=>'forums_progress',     'align'=>'center', 'sortable' => 'false'),
 | 
						|
            //Assignments
 | 
						|
            array('name'=>'assigments_total',    'index'=>'assigments_total',        'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'assigments_done',     'index'=>'assigments_done',         'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'assigments_left',     'index'=>'assigments_left',         'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'assigments_progress', 'index'=>'assigments_progress',     'align'=>'center', 'sortable' => 'false'),
 | 
						|
            //Assignments
 | 
						|
            array('name'=>'wiki_total',         'index'=>'wiki_total',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'wiki_revisions',     'index'=>'wiki_revisions',   'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'wiki_read',          'index'=>'wiki_read',        'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'wiki_unread',        'index'=>'wiki_unread',      'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'wiki_progress',      'index'=>'wiki_progress',    'align'=>'center', 'sortable' => 'false'),
 | 
						|
            //Surveys
 | 
						|
            array('name'=>'surveys_total',    'index'=>'surveys_total',      'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'surveys_done',     'index'=>'surveys_done',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'surveys_left',     'index'=>'surveys_left',       'align'=>'center', 'sortable' => 'false'),
 | 
						|
            array('name'=>'surveys_progress', 'index'=>'surveys_progress',   'align'=>'center', 'sortable' => 'false'),
 | 
						|
        );
 | 
						|
 | 
						|
        $action_links = '';
 | 
						|
        // jqgrid will use this URL to do the selects
 | 
						|
        $url = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_session_progress&session_id=' . $sessionId . '&course_id=' . $courseId . '&date_to=' . $date_to . '&date_from=' . $date_from;
 | 
						|
 | 
						|
        //Table Id
 | 
						|
        $tableId = 'progressOverview';
 | 
						|
 | 
						|
        //Autowidth
 | 
						|
        $extra_params['autowidth'] = 'true';
 | 
						|
 | 
						|
        $extra_params['shrinkToFit'] = 'true';
 | 
						|
 | 
						|
        $extra_params['headertitles'] = 'true';
 | 
						|
 | 
						|
        $extra_params['groupHeaders'] = array(
 | 
						|
            'courses_detail' => array(
 | 
						|
                "startColumnName"   => 'courses',
 | 
						|
                "numberOfColumns"   =>  7,
 | 
						|
                "titleText"         =>  get_lang('Global'),
 | 
						|
            ),
 | 
						|
            'lessons' => array(
 | 
						|
                "startColumnName"   => 'lessons_total',
 | 
						|
                "numberOfColumns"   =>  4,
 | 
						|
                "titleText"         =>  get_lang('LearningPaths'),
 | 
						|
            ),
 | 
						|
            'exercises' => array(
 | 
						|
                "startColumnName"   => 'exercises_total',
 | 
						|
                "numberOfColumns"   =>  4,
 | 
						|
                "titleText"         =>  get_lang('Exercises'),
 | 
						|
            ),
 | 
						|
            'forums' => array(
 | 
						|
                "startColumnName"   => 'forums_total',
 | 
						|
                "numberOfColumns"   =>  4,
 | 
						|
                "titleText"         =>  get_lang('Forums'),
 | 
						|
            ),
 | 
						|
            'assignments' => array(
 | 
						|
                "startColumnName"   => 'assigments_total',
 | 
						|
                "numberOfColumns"   =>  4,
 | 
						|
                "titleText"         =>  get_lang('Assignments'),
 | 
						|
            ),
 | 
						|
            'wikis' => array(
 | 
						|
                "startColumnName"   => 'wiki_total',
 | 
						|
                "numberOfColumns"   =>  5,
 | 
						|
                "titleText"         =>  get_lang('Wiki'),
 | 
						|
            ),
 | 
						|
            'surveys' => array(
 | 
						|
                "startColumnName"   => 'surveys_total',
 | 
						|
                "numberOfColumns"   =>  4,
 | 
						|
                "titleText"         =>  get_lang('Survey'),
 | 
						|
            ),
 | 
						|
        );
 | 
						|
        //height auto
 | 
						|
        $extra_params['height'] = 'auto';
 | 
						|
 | 
						|
        $table = Display::grid_js($tableId, $url, $columns, $column_model, $extra_params, array(), $action_links, true);
 | 
						|
 | 
						|
        $return = '<script>$(function() {'. $table .
 | 
						|
            'jQuery("#'.$tableId.'").jqGrid("navGrid","#'.$tableId.'_pager",{view:false, edit:false, add:false, del:false, search:false, excel:true});
 | 
						|
                jQuery("#'.$tableId.'").jqGrid("navButtonAdd","#'.$tableId.'_pager",{
 | 
						|
                       caption:"",
 | 
						|
                       title:"' . get_lang('ExportExcel') . '",
 | 
						|
                       onClickButton : function () {
 | 
						|
                           jQuery("#'.$tableId.'").jqGrid("excelExport",{"url":"'.$url.'&export_format=xls"});
 | 
						|
                       }
 | 
						|
                });
 | 
						|
            });</script>';
 | 
						|
        $return .= Display::grid_html($tableId);
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview off all the access to a session
 | 
						|
     * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
 | 
						|
     * @version Chamilo 1.9.6
 | 
						|
     */
 | 
						|
    static function display_tracking_access_overview($sessionId = 0, $courseId = 0, $studentId = '', $profile = '', $date_from, $date_to) {
 | 
						|
        //The order is important you need to check the the $column variable in the model.ajax.php file
 | 
						|
        $columns = array(
 | 
						|
            get_lang('LoginDate'),
 | 
						|
            get_lang('UserName'),
 | 
						|
            get_lang('LastName'),
 | 
						|
            get_lang('FirstName'),
 | 
						|
            get_lang('Clicks'),
 | 
						|
            get_lang('IP'),
 | 
						|
            get_lang('TimeLoggedIn'),
 | 
						|
            get_lang('Section'),
 | 
						|
        );
 | 
						|
 | 
						|
        $column_model   = array(
 | 
						|
            array('name'=>'logindate',      'index'=>'loginDate',      'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'username',       'index'=>'username',       'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'firstname',      'index'=>'firstname',      'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'lastname',       'index'=>'lastname',       'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'clicks',         'index'=>'clicks',         'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'ip',             'index'=>'ip',             'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'timeloggedin',   'index'=>'timeLoggedIn',   'align'=>'left', 'search' => 'true'),
 | 
						|
            array('name'=>'session',   'index'=>'session',   'align'=>'left')
 | 
						|
        );
 | 
						|
 | 
						|
        $action_links = '';
 | 
						|
        // jqgrid will use this URL to do the selects
 | 
						|
        $url = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_session_access_overview&session_id=' . $sessionId . '&course_id=' . $courseId . '&student_id=' . $studentId . '&profile=' . $profile . '&date_to=' . $date_to . '&date_from=' . $date_from;
 | 
						|
 | 
						|
        //Table Id
 | 
						|
        $tableId = 'accessOverview';
 | 
						|
 | 
						|
        //Autowidth
 | 
						|
        $extra_params['autowidth'] = 'true';
 | 
						|
 | 
						|
        //height auto
 | 
						|
        $extra_params['height'] = 'auto';
 | 
						|
 | 
						|
        $table = Display::grid_js($tableId, $url, $columns, $column_model, $extra_params, array(), $action_links, true);
 | 
						|
 | 
						|
        $return = '<script>$(function() {'. $table .
 | 
						|
            'jQuery("#'.$tableId.'").jqGrid("navGrid","#'.$tableId.'_pager",{view:false, edit:false, add:false, del:false, search:false, excel:true});
 | 
						|
                jQuery("#'.$tableId.'").jqGrid("navButtonAdd","#'.$tableId.'_pager",{
 | 
						|
                       caption:"",
 | 
						|
                       title:"' . get_lang('ExportExcel') . '",
 | 
						|
                       onClickButton : function () {
 | 
						|
                           jQuery("#'.$tableId.'").jqGrid("excelExport",{"url":"'.$url.'&export_format=xls"});
 | 
						|
                       }
 | 
						|
                });
 | 
						|
            });</script>';
 | 
						|
        $return .= Display::grid_html($tableId);
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Displays a form with all the additionally defined user fields of the profile
 | 
						|
     * and give you the opportunity to include these in the CSV export
 | 
						|
     *
 | 
						|
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
     * @version 1.8.6
 | 
						|
     * @since November 2008
 | 
						|
     */
 | 
						|
    public static function display_user_overview_export_options()
 | 
						|
    {
 | 
						|
        // include the user manager and formvalidator library
 | 
						|
        if (isset($_GET['export']) && $_GET['export'] == 'options') {
 | 
						|
            // get all the defined extra fields
 | 
						|
            $extrafields = UserManager::get_extra_fields(0, 50, 5, 'ASC', false, 1);
 | 
						|
 | 
						|
            // creating the form with all the defined extra fields
 | 
						|
            $form = new FormValidator('exportextrafields', 'post', api_get_self()."?view=".Security::remove_XSS($_GET['view']).'&display='.Security::remove_XSS($_GET['display']).'&export='.Security::remove_XSS($_GET['export']));
 | 
						|
 | 
						|
            if (is_array($extrafields) && count($extrafields) > 0) {
 | 
						|
                foreach ($extrafields as $key => $extra) {
 | 
						|
                    $form->addElement('checkbox', 'extra_export_field'.$extra[0], '', $extra[3]);
 | 
						|
                }
 | 
						|
                $form->addButtonSave(get_lang('Ok'), 'submit');
 | 
						|
 | 
						|
                // setting the default values for the form that contains all the extra fields
 | 
						|
                if (is_array($_SESSION['additional_export_fields'])) {
 | 
						|
                    foreach ($_SESSION['additional_export_fields'] as $key => $value) {
 | 
						|
                        $defaults['extra_export_field'.$value] = 1;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                $form->setDefaults($defaults);
 | 
						|
            } else {
 | 
						|
                $form->addElement('html', Display::display_warning_message(get_lang('ThereAreNotExtrafieldsAvailable')));
 | 
						|
            }
 | 
						|
 | 
						|
            if ($form->validate()) {
 | 
						|
                // exporting the form values
 | 
						|
                $values = $form->exportValues();
 | 
						|
 | 
						|
                // re-initialising the session that contains the additional fields that need to be exported
 | 
						|
                $_SESSION['additional_export_fields'] = array();
 | 
						|
 | 
						|
                // adding the fields that are checked to the session
 | 
						|
                $message = '';
 | 
						|
                foreach ($values as $field_ids => $value) {
 | 
						|
                    if ($value == 1 && strstr($field_ids,'extra_export_field')) {
 | 
						|
                        $_SESSION['additional_export_fields'][] = str_replace('extra_export_field', '', $field_ids);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                // adding the fields that will be also exported to a message string
 | 
						|
                if (is_array($_SESSION['additional_export_fields'])) {
 | 
						|
                    foreach ($_SESSION['additional_export_fields'] as $key => $extra_field_export) {
 | 
						|
                        $message .= '<li>'.$extrafields[$extra_field_export][3].'</li>';
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                // Displaying a feedback message
 | 
						|
                if (!empty($_SESSION['additional_export_fields'])) {
 | 
						|
                    Display::display_confirmation_message(get_lang('FollowingFieldsWillAlsoBeExported').': <br /><ul>'.$message.'</ul>', false);
 | 
						|
                } else  {
 | 
						|
                    Display::display_confirmation_message(get_lang('NoAdditionalFieldsWillBeExported'), false);
 | 
						|
                }
 | 
						|
                $message = '';
 | 
						|
            } else {
 | 
						|
                $form->display();
 | 
						|
            }
 | 
						|
 | 
						|
        } else {
 | 
						|
            if (!empty($_SESSION['additional_export_fields'])) {
 | 
						|
                // get all the defined extra fields
 | 
						|
                $extrafields = UserManager::get_extra_fields(0, 50, 5, 'ASC');
 | 
						|
 | 
						|
                foreach ($_SESSION['additional_export_fields'] as $key => $extra_field_export) {
 | 
						|
                    $message .= '<li>'.$extrafields[$extra_field_export][3].'</li>';
 | 
						|
                }
 | 
						|
 | 
						|
                Display::display_normal_message(get_lang('FollowingFieldsWillAlsoBeExported').': <br /><ul>'.$message.'</ul>', false);
 | 
						|
                $message = '';
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview of all the reporting progress of all courses
 | 
						|
     */
 | 
						|
    public static function display_tracking_course_overview() {
 | 
						|
        //MySpace::display_user_overview_export_options();
 | 
						|
 | 
						|
        $t_head = '    <table style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
 | 
						|
        //$t_head .= '  <caption>'.get_lang('CourseInformation').'</caption>';
 | 
						|
        $t_head .=      '<tr>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgTimeSpentInTheCourse'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgStudentsProgress'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgCourseScore'), 6, true).'</span></th>';
 | 
						|
        //$t_head .= '      <th><div style="width:40px">'.get_lang('AvgExercisesScore').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalNumberOfMessages'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalNumberOfAssignments'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th width="105px" style="border-bottom:0"><span>'.get_lang('TotalExercisesScoreObtained').'</span></th>';
 | 
						|
        //$t_head .= '      <th><div>'.get_lang('TotalExercisesScorePossible').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalExercisesAnswered'), 6, true).'</span></th>';
 | 
						|
        //$t_head .= '      <th><div>'.get_lang('TotalExercisesScorePercentage').'</div></th>';
 | 
						|
        //$t_head .= '      <th><div style="width:60px">'.get_lang('FirstLogin').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0;border-right:0;"><span>'.get_lang('LatestLogin').'</span></th>';
 | 
						|
        $t_head .= '    </tr></table>';
 | 
						|
 | 
						|
        $addparams = array('view' => 'admin', 'display' => 'courseoverview');
 | 
						|
 | 
						|
        $table = new SortableTable('tracking_session_overview', array('MySpace', 'get_total_number_courses'), array('MySpace','get_course_data_tracking_overview'), 1);
 | 
						|
        $table->additional_parameters = $addparams;
 | 
						|
 | 
						|
        $table->set_header(0, '', false, null, array('style' => 'display: none'));
 | 
						|
        $table->set_header(1, get_lang('Course'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
        $table->set_header(2, $t_head, false, array('style' => 'width:90%;border:0;padding:0;font-size:7.5pt;'), array('style' => 'width:90%;padding:0;font-size:7.5pt;'));
 | 
						|
        $table->set_column_filter(2, array('MySpace','course_tracking_filter'));
 | 
						|
        $table->display();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the total number of courses
 | 
						|
     *
 | 
						|
     * @return integer Total number of courses
 | 
						|
     */
 | 
						|
    public static function get_total_number_courses()
 | 
						|
    {
 | 
						|
        // database table definition
 | 
						|
        $main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        return Database::count_rows($main_course_table);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get data for the courses
 | 
						|
     *
 | 
						|
     * @param int Inferior limit
 | 
						|
     * @param int Number of items to select
 | 
						|
     * @param string Column to order on
 | 
						|
     * @param string Order direction
 | 
						|
     * @return array Results
 | 
						|
     */
 | 
						|
    public static function get_course_data_tracking_overview($from, $number_of_items, $column, $direction)
 | 
						|
    {
 | 
						|
        $main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $from = intval($from);
 | 
						|
        $number_of_items = intval($number_of_items);
 | 
						|
 | 
						|
        $sql = "SELECT code AS col0, title AS col1 FROM $main_course_table";
 | 
						|
        $sql .= " ORDER BY col$column $direction ";
 | 
						|
        $sql .= " LIMIT $from,$number_of_items";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = array ();
 | 
						|
        while ($course = Database::fetch_row($result)) {
 | 
						|
            $return[] = $course;
 | 
						|
        }
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Fills in course reporting data
 | 
						|
     *
 | 
						|
     * @param integer course code
 | 
						|
     * @param array $url_params additonal url parameters
 | 
						|
     * @param array $row the row information (the other columns)
 | 
						|
     * @return string html code
 | 
						|
     */
 | 
						|
    public static function course_tracking_filter($course_code, $url_params, $row)
 | 
						|
    {
 | 
						|
        $course_code = $row[0];
 | 
						|
        $courseInfo = api_get_course_info($course_code);
 | 
						|
 | 
						|
        // the table header
 | 
						|
        $return = '<table class="data_table" style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
 | 
						|
 | 
						|
        // database table definition
 | 
						|
        $tbl_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
        $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
        // getting all the courses of the user
 | 
						|
        $sql = "SELECT *
 | 
						|
                FROM $tbl_user AS u
 | 
						|
                INNER JOIN $tbl_course_rel_user AS cu
 | 
						|
                ON cu.user_id = u.user_id
 | 
						|
                WHERE cu.course_code = '".$course_code."' AND ISNULL(cu.role);";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $time_spent = 0;
 | 
						|
        $progress = 0;
 | 
						|
        $nb_progress_lp = 0;
 | 
						|
        $score = 0;
 | 
						|
        $nb_score_lp = 0;
 | 
						|
        $nb_messages = 0;
 | 
						|
        $nb_assignments = 0;
 | 
						|
        $last_login_date = false;
 | 
						|
        $total_score_obtained = 0;
 | 
						|
        $total_score_possible = 0;
 | 
						|
        $total_questions_answered = 0;
 | 
						|
        while ($row = Database::fetch_object($result)) {
 | 
						|
            // get time spent in the course and session
 | 
						|
            $time_spent += Tracking::get_time_spent_on_the_course($row->user_id, $courseInfo['real_id']);
 | 
						|
            $progress_tmp = Tracking::get_avg_student_progress($row->user_id, $course_code, array(), null, true);
 | 
						|
            $progress += $progress_tmp[0];
 | 
						|
            $nb_progress_lp += $progress_tmp[1];
 | 
						|
            $score_tmp = Tracking :: get_avg_student_score($row->user_id, $course_code, array(), null, true);
 | 
						|
            if(is_array($score_tmp)) {
 | 
						|
                $score += $score_tmp[0];
 | 
						|
                $nb_score_lp += $score_tmp[1];
 | 
						|
            }
 | 
						|
            $nb_messages += Tracking::count_student_messages($row->user_id, $course_code);
 | 
						|
            $nb_assignments += Tracking::count_student_assignments($row->user_id, $course_code);
 | 
						|
            $last_login_date_tmp = Tracking :: get_last_connection_date_on_the_course ($row->user_id, $courseInfo['real_id'], null, false);
 | 
						|
            if($last_login_date_tmp != false && $last_login_date == false) { // TODO: To be cleaned
 | 
						|
                $last_login_date = $last_login_date_tmp;
 | 
						|
            } else if($last_login_date_tmp != false && $last_login_date != false) { // TODO: Repeated previous condition. To be cleaned.
 | 
						|
                // Find the max and assign it to first_login_date
 | 
						|
                if(strtotime($last_login_date_tmp) > strtotime($last_login_date)) {
 | 
						|
                    $last_login_date = $last_login_date_tmp;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $exercise_results_tmp = MySpace::exercises_results($row->user_id, $course_code);
 | 
						|
            $total_score_obtained += $exercise_results_tmp['score_obtained'];
 | 
						|
            $total_score_possible += $exercise_results_tmp['score_possible'];
 | 
						|
            $total_questions_answered += $exercise_results_tmp['questions_answered'];
 | 
						|
        }
 | 
						|
        if($nb_progress_lp > 0) {
 | 
						|
            $avg_progress = round($progress / $nb_progress_lp, 2);
 | 
						|
        } else {
 | 
						|
            $avg_progress = 0;
 | 
						|
        }
 | 
						|
        if($nb_score_lp > 0) {
 | 
						|
            $avg_score = round($score / $nb_score_lp, 2);
 | 
						|
        } else {
 | 
						|
            $avg_score = '-';
 | 
						|
        }
 | 
						|
        if($last_login_date) {
 | 
						|
            $last_login_date = api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT, date_default_timezone_get());
 | 
						|
        } else {
 | 
						|
            $last_login_date = '-';
 | 
						|
        }
 | 
						|
        if($total_score_possible > 0) {
 | 
						|
            $total_score_percentage = round($total_score_obtained / $total_score_possible * 100, 2);
 | 
						|
        } else {
 | 
						|
            $total_score_percentage = 0;
 | 
						|
        }
 | 
						|
        if($total_score_percentage > 0) {
 | 
						|
            $total_score = $total_score_obtained.'/'.$total_score_possible.' ('.$total_score_percentage.' %)';
 | 
						|
        } else {
 | 
						|
            $total_score = '-';
 | 
						|
        }
 | 
						|
        $return .= '<tr>';
 | 
						|
        // time spent in the course
 | 
						|
        $return .= '    <td style="width:164px;">'.api_time_to_hms($time_spent).'</td>';
 | 
						|
        // student progress in course
 | 
						|
        $return .= '    <td>'.$avg_progress.'</td>';
 | 
						|
        // student score
 | 
						|
        $return .= '    <td>'.$avg_score.'</td>';
 | 
						|
        // student messages
 | 
						|
        $return .= '    <td>'.$nb_messages.'</td>';
 | 
						|
        // student assignments
 | 
						|
        $return .= '    <td>'.$nb_assignments.'</td>';
 | 
						|
        // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
 | 
						|
        $return .= '<td width="105px;">'.$total_score.'</td>';
 | 
						|
        $return .= '<td>'.$total_questions_answered.'</td>';
 | 
						|
        // last connection
 | 
						|
        $return .= '    <td>'.$last_login_date.'</td>';
 | 
						|
        $return .= '</tr>';
 | 
						|
        $return .= '</table>';
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * This function exports the table that we see in display_tracking_course_overview()
 | 
						|
     *
 | 
						|
     */
 | 
						|
    public static function export_tracking_course_overview()
 | 
						|
    {
 | 
						|
        // database table definition
 | 
						|
        $tbl_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
        $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
        // the values of the sortable table
 | 
						|
        if ($_GET['tracking_course_overview_page_nr']) {
 | 
						|
            $from = $_GET['tracking_course_overview_page_nr'];
 | 
						|
        } else {
 | 
						|
            $from = 0;
 | 
						|
        }
 | 
						|
        if ($_GET['tracking_course_overview_column']) {
 | 
						|
            $orderby = $_GET['tracking_course_overview_column'];
 | 
						|
        } else {
 | 
						|
            $orderby = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($_GET['tracking_course_overview_direction']) {
 | 
						|
            $direction = $_GET['tracking_course_overview_direction'];
 | 
						|
        } else {
 | 
						|
            $direction = 'ASC';
 | 
						|
        }
 | 
						|
 | 
						|
        $course_data = MySpace::get_course_data_tracking_overview($from, 1000, $orderby, $direction);
 | 
						|
 | 
						|
        $csv_content = array();
 | 
						|
 | 
						|
        // the first line of the csv file with the column headers
 | 
						|
        $csv_row = array();
 | 
						|
        $csv_row[] = get_lang('Course', '');
 | 
						|
        $csv_row[] = get_lang('AvgTimeSpentInTheCourse', '');
 | 
						|
        $csv_row[] = get_lang('AvgStudentsProgress', '');
 | 
						|
        $csv_row[] = get_lang('AvgCourseScore', '');
 | 
						|
        $csv_row[] = get_lang('TotalNumberOfMessages', '');
 | 
						|
        $csv_row[] = get_lang('TotalNumberOfAssignments', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScoreObtained', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScorePossible', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesAnswered', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScorePercentage', '');
 | 
						|
        $csv_row[] = get_lang('LatestLogin', '');
 | 
						|
        $csv_content[] = $csv_row;
 | 
						|
 | 
						|
        // the other lines (the data)
 | 
						|
        foreach ($course_data as $key => $course) {
 | 
						|
            $course_code = $course[0];
 | 
						|
            $courseInfo = api_get_course_info($course_code);
 | 
						|
            $course_title = $courseInfo['title'];
 | 
						|
            $courseId = $courseInfo['real_id'];
 | 
						|
 | 
						|
            $csv_row = array();
 | 
						|
            $csv_row[] = $course_title;
 | 
						|
 | 
						|
            // getting all the courses of the session
 | 
						|
            $sql = "SELECT *
 | 
						|
                    FROM $tbl_user AS u
 | 
						|
                    INNER JOIN $tbl_course_rel_user AS cu
 | 
						|
                    ON cu.user_id = u.user_id
 | 
						|
                    WHERE cu.course_code = '".$course_code."' AND ISNULL(cu.role);";
 | 
						|
            $result = Database::query($sql);
 | 
						|
            $time_spent = 0;
 | 
						|
            $progress = 0;
 | 
						|
            $nb_progress_lp = 0;
 | 
						|
            $score = 0;
 | 
						|
            $nb_score_lp = 0;
 | 
						|
            $nb_messages = 0;
 | 
						|
            $nb_assignments = 0;
 | 
						|
            $last_login_date = false;
 | 
						|
            $total_score_obtained = 0;
 | 
						|
            $total_score_possible = 0;
 | 
						|
            $total_questions_answered = 0;
 | 
						|
            while ($row = Database::fetch_object($result)) {
 | 
						|
                // get time spent in the course and session
 | 
						|
                $time_spent += Tracking::get_time_spent_on_the_course($row->user_id, $courseId);
 | 
						|
                $progress_tmp = Tracking::get_avg_student_progress($row->user_id, $course_code, array(), null, true);
 | 
						|
                $progress += $progress_tmp[0];
 | 
						|
                $nb_progress_lp += $progress_tmp[1];
 | 
						|
                $score_tmp = Tracking :: get_avg_student_score($row->user_id, $course_code, array(), null, true);
 | 
						|
                if(is_array($score_tmp)) {
 | 
						|
                    $score += $score_tmp[0];
 | 
						|
                    $nb_score_lp += $score_tmp[1];
 | 
						|
                }
 | 
						|
                $nb_messages += Tracking::count_student_messages($row->user_id, $course_code);
 | 
						|
                $nb_assignments += Tracking::count_student_assignments($row->user_id, $course_code);
 | 
						|
 | 
						|
                $last_login_date_tmp = Tracking :: get_last_connection_date_on_the_course ($row->user_id, $courseId, null, false);
 | 
						|
                if($last_login_date_tmp != false && $last_login_date == false) { // TODO: To be cleaned.
 | 
						|
                    $last_login_date = $last_login_date_tmp;
 | 
						|
                } else if($last_login_date_tmp != false && $last_login_date == false) { // TODO: Repeated previous condition. To be cleaned.
 | 
						|
                    // Find the max and assign it to first_login_date
 | 
						|
                    if(strtotime($last_login_date_tmp) > strtotime($last_login_date)) {
 | 
						|
                        $last_login_date = $last_login_date_tmp;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $exercise_results_tmp = MySpace::exercises_results($row->user_id, $course_code);
 | 
						|
                $total_score_obtained += $exercise_results_tmp['score_obtained'];
 | 
						|
                $total_score_possible += $exercise_results_tmp['score_possible'];
 | 
						|
                $total_questions_answered += $exercise_results_tmp['questions_answered'];
 | 
						|
            }
 | 
						|
            if($nb_progress_lp > 0) {
 | 
						|
                $avg_progress = round($progress / $nb_progress_lp, 2);
 | 
						|
            } else {
 | 
						|
                $avg_progress = 0;
 | 
						|
            }
 | 
						|
            if($nb_score_lp > 0) {
 | 
						|
                $avg_score = round($score / $nb_score_lp, 2);
 | 
						|
            } else {
 | 
						|
                $avg_score = '-';
 | 
						|
            }
 | 
						|
            if($last_login_date) {
 | 
						|
                $last_login_date = api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT, date_default_timezone_get());
 | 
						|
            } else {
 | 
						|
                $last_login_date = '-';
 | 
						|
            }
 | 
						|
            if($total_score_possible > 0) {
 | 
						|
                $total_score_percentage = round($total_score_obtained / $total_score_possible * 100, 2);
 | 
						|
            } else {
 | 
						|
                $total_score_percentage = 0;
 | 
						|
            }
 | 
						|
            // time spent in the course
 | 
						|
            $csv_row[] = api_time_to_hms($time_spent);
 | 
						|
            // student progress in course
 | 
						|
            $csv_row[] = $avg_progress;
 | 
						|
            // student score
 | 
						|
            $csv_row[] = $avg_score;
 | 
						|
            // student messages
 | 
						|
            $csv_row[] = $nb_messages;
 | 
						|
            // student assignments
 | 
						|
            $csv_row[] = $nb_assignments;
 | 
						|
            // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
 | 
						|
            $csv_row[] = $total_score_obtained;
 | 
						|
            $csv_row[] = $total_score_possible;
 | 
						|
            $csv_row[] = $total_questions_answered;
 | 
						|
            $csv_row[] = $total_score_percentage;
 | 
						|
            // last connection
 | 
						|
            $csv_row[] = $last_login_date;
 | 
						|
            $csv_content[] = $csv_row;
 | 
						|
        }
 | 
						|
        Export :: export_table_csv($csv_content, 'reporting_course_overview');
 | 
						|
        exit;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display a sortable table that contains an overview of all the reporting progress of all sessions and all courses the user is subscribed to
 | 
						|
     * @author Guillaume Viguier <guillaume@viguierjust.com>
 | 
						|
     */
 | 
						|
    public static function display_tracking_session_overview()
 | 
						|
    {
 | 
						|
        //MySpace::display_user_overview_export_options();
 | 
						|
 | 
						|
        $t_head = '    <table style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
 | 
						|
        //$t_head .= '  <caption>'.get_lang('CourseInformation').'</caption>';
 | 
						|
        $t_head .=      '<tr>';
 | 
						|
        $t_head .= '        <th width="155px" style="border-left:0;border-bottom:0"><span>'.get_lang('Course').'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgTimeSpentInTheCourse'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgStudentsProgress'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('AvgCourseScore'), 6, true).'</span></th>';
 | 
						|
        //$t_head .= '      <th><div style="width:40px">'.get_lang('AvgExercisesScore').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalNumberOfMessages'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalNumberOfAssignments'), 6, true).'</span></th>';
 | 
						|
        $t_head .= '        <th width="105px" style="border-bottom:0"><span>'.get_lang('TotalExercisesScoreObtained').'</span></th>';
 | 
						|
        //$t_head .= '      <th><div>'.get_lang('TotalExercisesScorePossible').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalExercisesAnswered'), 6, true).'</span></th>';
 | 
						|
        //$t_head .= '      <th><div>'.get_lang('TotalExercisesScorePercentage').'</div></th>';
 | 
						|
        //$t_head .= '      <th><div style="width:60px">'.get_lang('FirstLogin').'</div></th>';
 | 
						|
        $t_head .= '        <th style="padding:0;border-bottom:0;border-right:0;"><span>'.get_lang('LatestLogin').'</span></th>';
 | 
						|
        $t_head .= '    </tr></table>';
 | 
						|
 | 
						|
        $addparams = array('view' => 'admin', 'display' => 'sessionoverview');
 | 
						|
 | 
						|
        $table = new SortableTable('tracking_session_overview', array('MySpace','get_total_number_sessions'), array('MySpace','get_session_data_tracking_overview'), 1);
 | 
						|
        $table->additional_parameters = $addparams;
 | 
						|
 | 
						|
        $table->set_header(0, '', false, null, array('style' => 'display: none'));
 | 
						|
        $table->set_header(1, get_lang('Session'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
 | 
						|
        $table->set_header(2, $t_head, false, array('style' => 'width:90%;border:0;padding:0;font-size:7.5pt;'), array('style' => 'width:90%;padding:0;font-size:7.5pt;'));
 | 
						|
        $table->set_column_filter(2, array('MySpace', 'session_tracking_filter'));
 | 
						|
        $table->display();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the total number of sessions
 | 
						|
     *
 | 
						|
     * @return integer Total number of sessions
 | 
						|
     */
 | 
						|
    public static function get_total_number_sessions()
 | 
						|
    {
 | 
						|
        // database table definition
 | 
						|
        $main_session_table = Database :: get_main_table(TABLE_MAIN_SESSION);
 | 
						|
        return Database::count_rows($main_session_table);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get data for the sessions
 | 
						|
     *
 | 
						|
     * @param int Inferior limit
 | 
						|
     * @param int Number of items to select
 | 
						|
     * @param string Column to order on
 | 
						|
     * @param string Order direction
 | 
						|
     * @return array Results
 | 
						|
     */
 | 
						|
    public static function get_session_data_tracking_overview($from, $number_of_items, $column, $direction)
 | 
						|
    {
 | 
						|
        //global $_configuration;
 | 
						|
        // database table definition
 | 
						|
        //$access_url_id = api_get_current_access_url_id();
 | 
						|
        //$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 | 
						|
        $main_session_table = Database :: get_main_table(TABLE_MAIN_SESSION);
 | 
						|
 | 
						|
        /*if ($_configuration['multiple_access_urls']) {
 | 
						|
            $condition_multi_url = ", $tbl_url_rel_user as url_user WHERE user.user_id=url_user.user_id AND access_url_id='$access_url_id'";
 | 
						|
        }
 | 
						|
 | 
						|
        global $export_csv;
 | 
						|
        if ($export_csv) {
 | 
						|
            $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
 | 
						|
        } else {
 | 
						|
            $is_western_name_order = api_is_western_name_order();
 | 
						|
        }*/
 | 
						|
        $sql = "SELECT id AS col0, name AS col1 FROM $main_session_table";
 | 
						|
        $sql .= " ORDER BY col$column $direction ";
 | 
						|
        $sql .= " LIMIT $from,$number_of_items";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = array ();
 | 
						|
        while ($session = Database::fetch_row($result)) {
 | 
						|
            $return[] = $session;
 | 
						|
        }
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Fills in session reporting data
 | 
						|
     *
 | 
						|
     * @param integer $user_id the id of the user
 | 
						|
     * @param array $url_params additonal url parameters
 | 
						|
     * @param array $row the row information (the other columns)
 | 
						|
     * @return string html code
 | 
						|
     */
 | 
						|
    public static function session_tracking_filter($session_id, $url_params, $row)
 | 
						|
    {
 | 
						|
        $session_id = $row[0];
 | 
						|
        // the table header
 | 
						|
        $return = '<table class="data_table" style="width: 100%;border:0;padding:0;border-collapse:collapse;table-layout: fixed">';
 | 
						|
        /*$return .= '  <tr>';
 | 
						|
        $return .= '        <th>'.get_lang('Course').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('AvgTimeSpentInTheCourse').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('AvgStudentsProgress').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('AvgCourseScore').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('AvgExercisesScore').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('AvgMessages').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('AvgAssignments').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('TotalExercisesScoreObtained').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('TotalExercisesScorePossible').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('TotalExercisesAnswered').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('TotalExercisesScorePercentage').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('FirstLogin').'</th>';
 | 
						|
        $return .= '        <th>'.get_lang('LatestLogin').'</th>';
 | 
						|
        $return .= '    </tr>';*/
 | 
						|
 | 
						|
        // database table definition
 | 
						|
        $tbl_session_rel_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
 | 
						|
        $tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $tbl_session_rel_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
        $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
        // getting all the courses of the user
 | 
						|
        $sql = "SELECT * FROM $tbl_course AS c
 | 
						|
                INNER JOIN $tbl_session_rel_course AS sc
 | 
						|
                ON sc.course_code = c.code
 | 
						|
                WHERE sc.id_session = '".$session_id."';";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        while ($row = Database::fetch_object($result)) {
 | 
						|
            $courseCode = $row->code;
 | 
						|
            $courseInfo = api_get_course_info($row->code);
 | 
						|
            $courseId = $courseInfo['real_id'];
 | 
						|
            $return .= '<tr>';
 | 
						|
            // course code
 | 
						|
            $return .= '    <td width="157px" >'.$row->title.'</td>';
 | 
						|
            // get the users in the course
 | 
						|
            $sql = "SELECT user_id
 | 
						|
                    FROM $tbl_user AS u
 | 
						|
                    INNER JOIN $tbl_session_rel_course_rel_user AS scu
 | 
						|
                    ON u.user_id = scu.id_user
 | 
						|
                    WHERE scu.id_session = '".$session_id."' AND scu.course_code = '".$courseCode."';";
 | 
						|
            $result_users = Database::query($sql);
 | 
						|
            $time_spent = 0;
 | 
						|
            $progress = 0;
 | 
						|
            $nb_progress_lp = 0;
 | 
						|
            $score = 0;
 | 
						|
            $nb_score_lp = 0;
 | 
						|
            $nb_messages = 0;
 | 
						|
            $nb_assignments = 0;
 | 
						|
            $last_login_date = false;
 | 
						|
            $total_score_obtained = 0;
 | 
						|
            $total_score_possible = 0;
 | 
						|
            $total_questions_answered = 0;
 | 
						|
            while($row_user = Database::fetch_object($result_users)) {
 | 
						|
                // get time spent in the course and session
 | 
						|
                $time_spent += Tracking::get_time_spent_on_the_course($row_user->user_id, $courseId, $session_id);
 | 
						|
                $progress_tmp = Tracking::get_avg_student_progress($row_user->user_id, $row->code, array(), $session_id, true);
 | 
						|
                $progress += $progress_tmp[0];
 | 
						|
                $nb_progress_lp += $progress_tmp[1];
 | 
						|
                $score_tmp = Tracking :: get_avg_student_score($row_user->user_id, $row->code, array(), $session_id, true);
 | 
						|
                if(is_array($score_tmp)) {
 | 
						|
                    $score += $score_tmp[0];
 | 
						|
                    $nb_score_lp += $score_tmp[1];
 | 
						|
                }
 | 
						|
                $nb_messages += Tracking::count_student_messages($row_user->user_id, $row->code, $session_id);
 | 
						|
                $nb_assignments += Tracking::count_student_assignments($row_user->user_id, $row->code, $session_id);
 | 
						|
                $last_login_date_tmp = Tracking :: get_last_connection_date_on_the_course ($row_user->user_id, $courseId, $session_id, false);
 | 
						|
                if($last_login_date_tmp != false && $last_login_date == false) { // TODO: To be cleaned.
 | 
						|
                    $last_login_date = $last_login_date_tmp;
 | 
						|
                } else if($last_login_date_tmp != false && $last_login_date != false) { // TODO: Repeated previous condition! To be cleaned.
 | 
						|
                    // Find the max and assign it to first_login_date
 | 
						|
                    if(strtotime($last_login_date_tmp) > strtotime($last_login_date)) {
 | 
						|
                        $last_login_date = $last_login_date_tmp;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $exercise_results_tmp = MySpace::exercises_results($row_user->user_id, $row->code, $session_id);
 | 
						|
                $total_score_obtained += $exercise_results_tmp['score_obtained'];
 | 
						|
                $total_score_possible += $exercise_results_tmp['score_possible'];
 | 
						|
                $total_questions_answered += $exercise_results_tmp['questions_answered'];
 | 
						|
            }
 | 
						|
            if($nb_progress_lp > 0) {
 | 
						|
                $avg_progress = round($progress / $nb_progress_lp, 2);
 | 
						|
            } else {
 | 
						|
                $avg_progress = 0;
 | 
						|
            }
 | 
						|
            if($nb_score_lp > 0) {
 | 
						|
                $avg_score = round($score / $nb_score_lp, 2);
 | 
						|
            } else {
 | 
						|
                $avg_score = '-';
 | 
						|
            }
 | 
						|
            if($last_login_date) {
 | 
						|
                $last_login_date = api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT, date_default_timezone_get());
 | 
						|
            } else {
 | 
						|
                $last_login_date = '-';
 | 
						|
            }
 | 
						|
            if($total_score_possible > 0) {
 | 
						|
                $total_score_percentage = round($total_score_obtained / $total_score_possible * 100, 2);
 | 
						|
            } else {
 | 
						|
                $total_score_percentage = 0;
 | 
						|
            }
 | 
						|
            if($total_score_percentage > 0) {
 | 
						|
                $total_score = $total_score_obtained.'/'.$total_score_possible.' ('.$total_score_percentage.' %)';
 | 
						|
            } else {
 | 
						|
                $total_score = '-';
 | 
						|
            }
 | 
						|
            // time spent in the course
 | 
						|
            $return .= '    <td><div>'.api_time_to_hms($time_spent).'</div></td>';
 | 
						|
            // student progress in course
 | 
						|
            $return .= '    <td><div>'.$avg_progress.'</div></td>';
 | 
						|
            // student score
 | 
						|
            $return .= '    <td><div>'.$avg_score.'</div></td>';
 | 
						|
            // student messages
 | 
						|
            $return .= '    <td><div>'.$nb_messages.'</div></td>';
 | 
						|
            // student assignments
 | 
						|
            $return .= '    <td><div>'.$nb_assignments.'</div></td>';
 | 
						|
            // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
 | 
						|
            $return .= '<td width="105px;">'.$total_score.'</td>';
 | 
						|
            $return .= '<td>'.$total_questions_answered.'</td>';
 | 
						|
            // last connection
 | 
						|
            $return .= '    <td><div>'.$last_login_date.'</div></td>';
 | 
						|
            $return .= '<tr>';
 | 
						|
        }
 | 
						|
        $return .= '</table>';
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * This function exports the table that we see in display_tracking_session_overview()
 | 
						|
     *
 | 
						|
     */
 | 
						|
    public static function export_tracking_session_overview()
 | 
						|
    {
 | 
						|
        // database table definition
 | 
						|
        $tbl_session_rel_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
 | 
						|
        $tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $tbl_session_rel_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
        $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
        // the values of the sortable table
 | 
						|
        if ($_GET['tracking_session_overview_page_nr']) {
 | 
						|
            $from = $_GET['tracking_session_overview_page_nr'];
 | 
						|
        } else {
 | 
						|
            $from = 0;
 | 
						|
        }
 | 
						|
        if ($_GET['tracking_session_overview_column']) {
 | 
						|
            $orderby = $_GET['tracking_session_overview_column'];
 | 
						|
        } else {
 | 
						|
            $orderby = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($_GET['tracking_session_overview_direction']) {
 | 
						|
            $direction = $_GET['tracking_session_overview_direction'];
 | 
						|
        } else {
 | 
						|
            $direction = 'ASC';
 | 
						|
        }
 | 
						|
 | 
						|
        $session_data = MySpace::get_session_data_tracking_overview($from, 1000, $orderby, $direction);
 | 
						|
 | 
						|
        $csv_content = array();
 | 
						|
 | 
						|
        // the first line of the csv file with the column headers
 | 
						|
        $csv_row = array();
 | 
						|
        $csv_row[] = get_lang('Session');
 | 
						|
        $csv_row[] = get_lang('Course', '');
 | 
						|
        $csv_row[] = get_lang('AvgTimeSpentInTheCourse', '');
 | 
						|
        $csv_row[] = get_lang('AvgStudentsProgress', '');
 | 
						|
        $csv_row[] = get_lang('AvgCourseScore', '');
 | 
						|
        $csv_row[] = get_lang('TotalNumberOfMessages', '');
 | 
						|
        $csv_row[] = get_lang('TotalNumberOfAssignments', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScoreObtained', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScorePossible', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesAnswered', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScorePercentage', '');
 | 
						|
        $csv_row[] = get_lang('LatestLogin', '');
 | 
						|
        $csv_content[] = $csv_row;
 | 
						|
 | 
						|
        // the other lines (the data)
 | 
						|
        foreach ($session_data as $key => $session) {
 | 
						|
            $session_id = $session[0];
 | 
						|
            $session_title = $session[1];
 | 
						|
 | 
						|
            // getting all the courses of the session
 | 
						|
            $sql = "SELECT * FROM $tbl_course AS c
 | 
						|
                    INNER JOIN $tbl_session_rel_course AS sc
 | 
						|
                    ON sc.course_code = c.code
 | 
						|
                    WHERE sc.id_session = '".$session_id."';";
 | 
						|
            $result = Database::query($sql);
 | 
						|
            while ($row = Database::fetch_object($result)) {
 | 
						|
                $courseInfo = api_get_course_info($row->code);
 | 
						|
                $courseId = $courseInfo['real_id'];
 | 
						|
                $csv_row = array();
 | 
						|
                $csv_row[] = $session_title;
 | 
						|
                $csv_row[] = $row->title;
 | 
						|
                // get the users in the course
 | 
						|
                $sql = "SELECT user_id FROM $tbl_user AS u
 | 
						|
                        INNER JOIN $tbl_session_rel_course_rel_user AS scu
 | 
						|
                        ON u.user_id = scu.id_user
 | 
						|
                        WHERE scu.id_session = '".$session_id."' AND scu.course_code = '".$row->code."';";
 | 
						|
                $result_users = Database::query($sql);
 | 
						|
                $time_spent = 0;
 | 
						|
                $progress = 0;
 | 
						|
                $nb_progress_lp = 0;
 | 
						|
                $score = 0;
 | 
						|
                $nb_score_lp = 0;
 | 
						|
                $nb_messages = 0;
 | 
						|
                $nb_assignments = 0;
 | 
						|
                $last_login_date = false;
 | 
						|
                $total_score_obtained = 0;
 | 
						|
                $total_score_possible = 0;
 | 
						|
                $total_questions_answered = 0;
 | 
						|
                while($row_user = Database::fetch_object($result_users)) {
 | 
						|
                    // get time spent in the course and session
 | 
						|
                    $time_spent += Tracking::get_time_spent_on_the_course($row_user->user_id, $courseId, $session_id);
 | 
						|
                    $progress_tmp = Tracking::get_avg_student_progress($row_user->user_id, $row->code, array(), $session_id, true);
 | 
						|
                    $progress += $progress_tmp[0];
 | 
						|
                    $nb_progress_lp += $progress_tmp[1];
 | 
						|
                    $score_tmp = Tracking :: get_avg_student_score($row_user->user_id, $row->code, array(), $session_id, true);
 | 
						|
                    if(is_array($score_tmp)) {
 | 
						|
                        $score += $score_tmp[0];
 | 
						|
                        $nb_score_lp += $score_tmp[1];
 | 
						|
                    }
 | 
						|
                    $nb_messages += Tracking::count_student_messages($row_user->user_id, $row->code, $session_id);
 | 
						|
                    $nb_assignments += Tracking::count_student_assignments($row_user->user_id, $row->code, $session_id);
 | 
						|
 | 
						|
                    $last_login_date_tmp = Tracking :: get_last_connection_date_on_the_course ($row_user->user_id, $courseId, $session_id, false);
 | 
						|
                    if($last_login_date_tmp != false && $last_login_date == false) { // TODO: To be cleaned.
 | 
						|
                        $last_login_date = $last_login_date_tmp;
 | 
						|
                    } else if($last_login_date_tmp != false && $last_login_date == false) { // TODO: Repeated previous condition. To be cleaned.
 | 
						|
                        // Find the max and assign it to first_login_date
 | 
						|
                        if(strtotime($last_login_date_tmp) > strtotime($last_login_date)) {
 | 
						|
                            $last_login_date = $last_login_date_tmp;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    $exercise_results_tmp = MySpace::exercises_results($row_user->user_id, $row->code, $session_id);
 | 
						|
                    $total_score_obtained += $exercise_results_tmp['score_obtained'];
 | 
						|
                    $total_score_possible += $exercise_results_tmp['score_possible'];
 | 
						|
                    $total_questions_answered += $exercise_results_tmp['questions_answered'];
 | 
						|
                }
 | 
						|
                if($nb_progress_lp > 0) {
 | 
						|
                    $avg_progress = round($progress / $nb_progress_lp, 2);
 | 
						|
                } else {
 | 
						|
                    $avg_progress = 0;
 | 
						|
                }
 | 
						|
                if($nb_score_lp > 0) {
 | 
						|
                    $avg_score = round($score / $nb_score_lp, 2);
 | 
						|
                } else {
 | 
						|
                    $avg_score = '-';
 | 
						|
                }
 | 
						|
                if($last_login_date) {
 | 
						|
                    $last_login_date = api_convert_and_format_date($last_login_date, DATE_FORMAT_SHORT, date_default_timezone_get());
 | 
						|
                } else {
 | 
						|
                    $last_login_date = '-';
 | 
						|
                }
 | 
						|
                if($total_score_possible > 0) {
 | 
						|
                    $total_score_percentage = round($total_score_obtained / $total_score_possible * 100, 2);
 | 
						|
                } else {
 | 
						|
                    $total_score_percentage = 0;
 | 
						|
                }
 | 
						|
                if($total_score_percentage > 0) {
 | 
						|
                    $total_score = $total_score_obtained.'/'.$total_score_possible.' ('.$total_score_percentage.' %)';
 | 
						|
                } else {
 | 
						|
                    $total_score = '-';
 | 
						|
                }
 | 
						|
                // time spent in the course
 | 
						|
                $csv_row[] = api_time_to_hms($time_spent);
 | 
						|
                // student progress in course
 | 
						|
                $csv_row[] = $avg_progress;
 | 
						|
                // student score
 | 
						|
                $csv_row[] = $avg_score;
 | 
						|
                // student messages
 | 
						|
                $csv_row[] = $nb_messages;
 | 
						|
                // student assignments
 | 
						|
                $csv_row[] = $nb_assignments;
 | 
						|
                // student exercises results (obtained score, maximum score, number of exercises answered, score percentage)
 | 
						|
                $csv_row[] = $total_score_obtained;
 | 
						|
                $csv_row[] = $total_score_possible;
 | 
						|
                $csv_row[] = $total_questions_answered;
 | 
						|
                $csv_row[] = $total_score_percentage;
 | 
						|
                // last connection
 | 
						|
                $csv_row[] = $last_login_date;
 | 
						|
                $csv_content[] = $csv_row;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        Export :: export_table_csv($csv_content, 'reporting_session_overview');
 | 
						|
        exit;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get general information about the exercise performance of the user
 | 
						|
     * the total obtained score (all the score on all the questions)
 | 
						|
     * the maximum score that could be obtained
 | 
						|
     * the number of questions answered
 | 
						|
     * the success percentage
 | 
						|
     * @param integer $user_id the id of the user
 | 
						|
     * @param string $course_code the course code
 | 
						|
     * @return array
 | 
						|
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
     * @version Dokeos 1.8.6
 | 
						|
     * @since November 2008
 | 
						|
     */
 | 
						|
    public static function exercises_results($user_id, $course_code, $session_id = false)
 | 
						|
    {
 | 
						|
        $questions_answered = 0;
 | 
						|
        $courseId = api_get_course_int_id($course_code);
 | 
						|
        $sql = 'SELECT exe_result , exe_weighting
 | 
						|
            FROM '.Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES)."
 | 
						|
            WHERE c_id = ' . $courseId . '
 | 
						|
            AND exe_user_id = '".intval($user_id)."'";
 | 
						|
        if($session_id !== false) {
 | 
						|
            $sql .= " AND session_id = '".$session_id."' ";
 | 
						|
        }
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $score_obtained = 0;
 | 
						|
        $score_possible = 0;
 | 
						|
        $questions_answered = 0;
 | 
						|
        while ($row = Database::fetch_array($result)) {
 | 
						|
            $score_obtained += $row['exe_result'];
 | 
						|
            $score_possible += $row['exe_weighting'];
 | 
						|
            $questions_answered ++;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($score_possible != 0) {
 | 
						|
            $percentage = round(($score_obtained / $score_possible * 100), 2);
 | 
						|
        } else {
 | 
						|
            $percentage = null;
 | 
						|
        }
 | 
						|
 | 
						|
        return array(
 | 
						|
            'score_obtained' => $score_obtained,
 | 
						|
            'score_possible' => $score_possible,
 | 
						|
            'questions_answered' => $questions_answered,
 | 
						|
            'percentage' => $percentage
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * This function exports the table that we see in display_tracking_user_overview()
 | 
						|
     *
 | 
						|
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
     * @version Dokeos 1.8.6
 | 
						|
     * @since October 2008
 | 
						|
     */
 | 
						|
    public static function export_tracking_user_overview()
 | 
						|
    {
 | 
						|
        // database table definitions
 | 
						|
        $tbl_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
 | 
						|
        $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
 | 
						|
        $sort_by_first_name = api_sort_by_first_name();
 | 
						|
 | 
						|
        // the values of the sortable table
 | 
						|
        if ($_GET['tracking_user_overview_page_nr']) {
 | 
						|
            $from = $_GET['tracking_user_overview_page_nr'];
 | 
						|
        } else {
 | 
						|
            $from = 0;
 | 
						|
        }
 | 
						|
        if ($_GET['tracking_user_overview_column']) {
 | 
						|
            $orderby = $_GET['tracking_user_overview_column'];
 | 
						|
        } else {
 | 
						|
            $orderby = 0;
 | 
						|
        }
 | 
						|
        if ($is_western_name_order != api_is_western_name_order() && ($orderby == 1 || $orderby == 2)) {
 | 
						|
            // Swapping the sorting column if name order for export is different than the common name order.
 | 
						|
            $orderby = 3 - $orderby;
 | 
						|
        }
 | 
						|
        if ($_GET['tracking_user_overview_direction']) {
 | 
						|
            $direction = $_GET['tracking_user_overview_direction'];
 | 
						|
        } else {
 | 
						|
            $direction = 'ASC';
 | 
						|
        }
 | 
						|
 | 
						|
        $user_data = MySpace::get_user_data_tracking_overview($from, 1000, $orderby, $direction);
 | 
						|
 | 
						|
        // the first line of the csv file with the column headers
 | 
						|
        $csv_row = array();
 | 
						|
        $csv_row[] = get_lang('OfficialCode');
 | 
						|
        if ($is_western_name_order) {
 | 
						|
            $csv_row[] = get_lang('FirstName', '');
 | 
						|
            $csv_row[] = get_lang('LastName', '');
 | 
						|
        } else {
 | 
						|
            $csv_row[] = get_lang('LastName', '');
 | 
						|
            $csv_row[] = get_lang('FirstName', '');
 | 
						|
        }
 | 
						|
        $csv_row[] = get_lang('LoginName');
 | 
						|
        $csv_row[] = get_lang('CourseCode');
 | 
						|
        // the additional user defined fields (only those that were selected to be exported)
 | 
						|
 | 
						|
        $fields = UserManager::get_extra_fields(0, 50, 5, 'ASC');
 | 
						|
 | 
						|
        if (is_array($_SESSION['additional_export_fields'])) {
 | 
						|
            foreach ($_SESSION['additional_export_fields'] as $key => $extra_field_export) {
 | 
						|
                $csv_row[] = $fields[$extra_field_export][3];
 | 
						|
                $field_names_to_be_exported[] = 'extra_'.$fields[$extra_field_export][1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        $csv_row[] = get_lang('AvgTimeSpentInTheCourse', '');
 | 
						|
        $csv_row[] = get_lang('AvgStudentsProgress', '');
 | 
						|
        $csv_row[] = get_lang('AvgCourseScore', '');
 | 
						|
        $csv_row[] = get_lang('AvgExercisesScore', '');
 | 
						|
        $csv_row[] = get_lang('AvgMessages', '');
 | 
						|
        $csv_row[] = get_lang('AvgAssignments', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScoreObtained', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScorePossible', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesAnswered', '');
 | 
						|
        $csv_row[] = get_lang('TotalExercisesScorePercentage', '');
 | 
						|
        $csv_row[] = get_lang('FirstLogin', '');
 | 
						|
        $csv_row[] = get_lang('LatestLogin', '');
 | 
						|
        $csv_content[] = $csv_row;
 | 
						|
 | 
						|
        // the other lines (the data)
 | 
						|
        foreach ($user_data as $key => $user) {
 | 
						|
            // getting all the courses of the user
 | 
						|
            $sql = "SELECT * FROM $tbl_course_user
 | 
						|
                    WHERE user_id = '".intval($user[4])."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ";
 | 
						|
            $result = Database::query($sql);
 | 
						|
            while ($row = Database::fetch_row($result)) {
 | 
						|
                $courseInfo = api_get_course_info($row['course_code']);
 | 
						|
                $courseId = $courseInfo['real_id'];
 | 
						|
 | 
						|
                $csv_row = array();
 | 
						|
                // user official code
 | 
						|
                $csv_row[] = $user[0];
 | 
						|
                // user first|last name
 | 
						|
                $csv_row[] = $user[1];
 | 
						|
                // user last|first name
 | 
						|
                $csv_row[] = $user[2];
 | 
						|
                // user login name
 | 
						|
                $csv_row[] = $user[3];
 | 
						|
                // course code
 | 
						|
                $csv_row[] = $row[0];
 | 
						|
                // the additional defined user fields
 | 
						|
                $extra_fields = MySpace::get_user_overview_export_extra_fields($user[4]);
 | 
						|
 | 
						|
                if (is_array($field_names_to_be_exported)) {
 | 
						|
                    foreach ($field_names_to_be_exported as $key => $extra_field_export) {
 | 
						|
                        $csv_row[] = $extra_fields[$extra_field_export];
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                // time spent in the course
 | 
						|
                $csv_row[] = api_time_to_hms(Tracking :: get_time_spent_on_the_course ($user[4], $courseId));
 | 
						|
                // student progress in course
 | 
						|
                $csv_row[] = round(Tracking :: get_avg_student_progress ($user[4], $row[0]), 2);
 | 
						|
                // student score
 | 
						|
                $csv_row[] = round(Tracking :: get_avg_student_score ($user[4], $row[0]), 2);
 | 
						|
                // student tes score
 | 
						|
                $csv_row[] = round(Tracking :: get_avg_student_exercise_score ($user[4], $row[0]), 2);
 | 
						|
                // student messages
 | 
						|
                $csv_row[] = Tracking :: count_student_messages ($user[4], $row[0]);
 | 
						|
                // student assignments
 | 
						|
                $csv_row[] = Tracking :: count_student_assignments ($user[4], $row[0]);
 | 
						|
                // student exercises results
 | 
						|
                $exercises_results = MySpace::exercises_results($user[4], $row[0]);
 | 
						|
                $csv_row[] = $exercises_results['score_obtained'];
 | 
						|
                $csv_row[] = $exercises_results['score_possible'];
 | 
						|
                $csv_row[] = $exercises_results['questions_answered'];
 | 
						|
                $csv_row[] = $exercises_results['percentage'];
 | 
						|
                // first connection
 | 
						|
                $csv_row[] = Tracking :: get_first_connection_date_on_the_course ($user[4], $courseId);
 | 
						|
                // last connection
 | 
						|
                $csv_row[] = strip_tags(Tracking :: get_last_connection_date_on_the_course ($user[4], $courseId));
 | 
						|
 | 
						|
                $csv_content[] = $csv_row;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        Export :: export_table_csv($csv_content, 'reporting_user_overview');
 | 
						|
        exit;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get data for courses list in sortable with pagination
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_course_data($from, $number_of_items, $column, $direction)
 | 
						|
    {
 | 
						|
        global $courses, $csv_content, $charset, $session_id;
 | 
						|
 | 
						|
        // definition database tables
 | 
						|
        $tbl_course                 = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $tbl_course_user            = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
        $tbl_session_course_user    = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
 | 
						|
        $course_data = array();
 | 
						|
        $courses_code = array_keys($courses);
 | 
						|
 | 
						|
        foreach ($courses_code as &$code) {
 | 
						|
            $code = "'$code'";
 | 
						|
        }
 | 
						|
 | 
						|
        // get all courses with limit
 | 
						|
        $sql = "SELECT course.code as col1, course.title as col2
 | 
						|
                FROM $tbl_course course
 | 
						|
                WHERE course.code IN (".implode(',',$courses_code).")";
 | 
						|
 | 
						|
        if (!in_array($direction, array('ASC','DESC'))) $direction = 'ASC';
 | 
						|
 | 
						|
        $column = intval($column);
 | 
						|
        $from = intval($from);
 | 
						|
        $number_of_items = intval($number_of_items);
 | 
						|
        $sql .= " ORDER BY col$column $direction ";
 | 
						|
        $sql .= " LIMIT $from,$number_of_items";
 | 
						|
 | 
						|
        $res = Database::query($sql);
 | 
						|
        while ($row_course = Database::fetch_row($res)) {
 | 
						|
            $course_code = $row_course[0];
 | 
						|
            $courseInfo = api_get_course_info($course_code);
 | 
						|
            $avg_assignments_in_course = $avg_messages_in_course = $nb_students_in_course = $avg_progress_in_course = $avg_score_in_course = $avg_time_spent_in_course = $avg_score_in_exercise = 0;
 | 
						|
 | 
						|
            // students directly subscribed to the course
 | 
						|
            if (empty($session_id)) {
 | 
						|
                $sql = "SELECT user_id FROM $tbl_course_user as course_rel_user
 | 
						|
                        WHERE course_rel_user.status='5' AND course_rel_user.course_code='$course_code'";
 | 
						|
            } else {
 | 
						|
                $sql = "SELECT id_user as user_id FROM $tbl_session_course_user srcu
 | 
						|
                        WHERE  srcu. course_code='$course_code' AND id_session = '$session_id' AND srcu.status<>2";
 | 
						|
            }
 | 
						|
            $rs = Database::query($sql);
 | 
						|
            $users = array();
 | 
						|
            while ($row = Database::fetch_array($rs)) {
 | 
						|
                $users[] = $row['user_id'];
 | 
						|
            }
 | 
						|
 | 
						|
            if (count($users) > 0) {
 | 
						|
                $nb_students_in_course = count($users);
 | 
						|
                $avg_assignments_in_course  = Tracking::count_student_assignments($users, $course_code, $session_id);
 | 
						|
                $avg_messages_in_course     = Tracking::count_student_messages($users, $course_code, $session_id);
 | 
						|
                $avg_progress_in_course     = Tracking::get_avg_student_progress($users, $course_code, array(), $session_id);
 | 
						|
                $avg_score_in_course        = Tracking::get_avg_student_score($users, $course_code, array(), $session_id);
 | 
						|
                $avg_score_in_exercise      = Tracking::get_avg_student_exercise_score($users, $course_code, 0, $session_id);
 | 
						|
                $avg_time_spent_in_course   = Tracking::get_time_spent_on_the_course($users, $courseInfo['real_id'], $session_id);
 | 
						|
 | 
						|
                $avg_progress_in_course = round($avg_progress_in_course / $nb_students_in_course, 2);
 | 
						|
                if (is_numeric($avg_score_in_course)) {
 | 
						|
                    $avg_score_in_course = round($avg_score_in_course / $nb_students_in_course, 2);
 | 
						|
                }
 | 
						|
                $avg_time_spent_in_course = api_time_to_hms($avg_time_spent_in_course / $nb_students_in_course);
 | 
						|
 | 
						|
            } else {
 | 
						|
                $avg_time_spent_in_course = null;
 | 
						|
                $avg_progress_in_course = null;
 | 
						|
                $avg_score_in_course = null;
 | 
						|
                $avg_score_in_exercise = null;
 | 
						|
                $avg_messages_in_course = null;
 | 
						|
                $avg_assignments_in_course = null;
 | 
						|
            }
 | 
						|
            $table_row = array();
 | 
						|
            $table_row[] = $row_course[1];
 | 
						|
            $table_row[] = $nb_students_in_course;
 | 
						|
            $table_row[] = $avg_time_spent_in_course;
 | 
						|
            $table_row[] = is_null($avg_progress_in_course) ? '' : $avg_progress_in_course.'%';
 | 
						|
            $table_row[] = is_null($avg_score_in_course) ? '' : $avg_score_in_course.'%';
 | 
						|
            $table_row[] = is_null($avg_score_in_exercise) ? '' : $avg_score_in_exercise.'%';
 | 
						|
            $table_row[] = $avg_messages_in_course;
 | 
						|
            $table_row[] = $avg_assignments_in_course;
 | 
						|
 | 
						|
            //set the "from" value to know if I access the Reporting by the chamilo tab or the course link
 | 
						|
            $table_row[] = '<center><a href="../../tracking/courseLog.php?cidReq=' .$course_code.'&from=myspace&id_session='.$session_id.'">
 | 
						|
                             <img src="'.api_get_path(WEB_IMG_PATH).'2rightarrow.gif" border="0" /></a>
 | 
						|
                            </center>';
 | 
						|
            $csv_content[] = array(
 | 
						|
                api_html_entity_decode($row_course[1], ENT_QUOTES, $charset),
 | 
						|
                $nb_students_in_course,
 | 
						|
                $avg_time_spent_in_course,
 | 
						|
                is_null($avg_progress_in_course) ? null : $avg_progress_in_course.'%',
 | 
						|
                is_null($avg_score_in_course) ? null : is_numeric($avg_score_in_course) ? $avg_score_in_course.'%' : $avg_score_in_course ,
 | 
						|
                is_null($avg_score_in_exercise) ? null : $avg_score_in_exercise.'%',
 | 
						|
                $avg_messages_in_course,
 | 
						|
                $avg_assignments_in_course,
 | 
						|
            );
 | 
						|
            $course_data[] = $table_row;
 | 
						|
        }
 | 
						|
        return $course_data;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * get the numer of users of the platform
 | 
						|
     *
 | 
						|
     * @return integer
 | 
						|
     *
 | 
						|
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
     * @version Dokeos 1.8.6
 | 
						|
     * @since October 2008
 | 
						|
     */
 | 
						|
    public static function get_number_of_users_tracking_overview()
 | 
						|
    {
 | 
						|
        // database table definition
 | 
						|
        $main_user_table = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
        return Database::count_rows($main_user_table);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * get all the data for the sortable table of the reporting progress of all users and all the courses the user is subscribed to.
 | 
						|
     *
 | 
						|
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
     * @version Dokeos 1.8.6
 | 
						|
     * @since October 2008
 | 
						|
     */
 | 
						|
    public static function get_user_data_tracking_overview($from, $number_of_items, $column, $direction)
 | 
						|
    {
 | 
						|
        // database table definition
 | 
						|
        $access_url_id = api_get_current_access_url_id();
 | 
						|
        $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 | 
						|
        $main_user_table = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
        $condition_multi_url = null;
 | 
						|
        if (api_is_multiple_url_enabled()) {
 | 
						|
            $condition_multi_url = ", $tbl_url_rel_user as url_user
 | 
						|
            WHERE user.user_id=url_user.user_id AND access_url_id='$access_url_id'";
 | 
						|
        }
 | 
						|
 | 
						|
        global $export_csv;
 | 
						|
        if ($export_csv) {
 | 
						|
            $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
 | 
						|
        } else {
 | 
						|
            $is_western_name_order = api_is_western_name_order();
 | 
						|
        }
 | 
						|
        $sql = "SELECT
 | 
						|
                    official_code AS col0,
 | 
						|
                    ".($is_western_name_order ? "
 | 
						|
                    firstname       AS col1,
 | 
						|
                    lastname        AS col2,
 | 
						|
                    " : "
 | 
						|
                    lastname        AS col1,
 | 
						|
                    firstname       AS col2,
 | 
						|
                    ").
 | 
						|
            "username       AS col3,
 | 
						|
                    user.user_id        AS col4
 | 
						|
                FROM
 | 
						|
                    $main_user_table as user $condition_multi_url
 | 
						|
                ";
 | 
						|
        $sql .= " ORDER BY col$column $direction ";
 | 
						|
        $sql .= " LIMIT $from,$number_of_items";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = array ();
 | 
						|
        while ($user = Database::fetch_row($result)) {
 | 
						|
            $return[] = $user;
 | 
						|
        }
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get all information that the user with user_id = $user_data has
 | 
						|
     * entered in the additionally defined profile fields
 | 
						|
     * @param integer $user_id the id of the user
 | 
						|
     * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
     * @version Dokeos 1.8.6
 | 
						|
     * @since November 2008
 | 
						|
     */
 | 
						|
    public static function get_user_overview_export_extra_fields($user_id)
 | 
						|
    {
 | 
						|
        // include the user manager
 | 
						|
 | 
						|
        $extra_data = UserManager::get_extra_user_data($user_id, true);
 | 
						|
        return $extra_data;
 | 
						|
    }
 | 
						|
    /**
 | 
						|
     * Checks if a username exist in the DB otherwise it create a "double"
 | 
						|
     * i.e. if we look into for jmontoya but the user's name already exist we create the user jmontoya2
 | 
						|
     * the return array will be array(username=>'jmontoya', sufix='2')
 | 
						|
     * @param string firstname
 | 
						|
     * @param string lastname
 | 
						|
     * @param string username
 | 
						|
     * @return array with the username, the sufix
 | 
						|
     * @author Julio Montoya Armas
 | 
						|
     */
 | 
						|
    public static function make_username($firstname, $lastname, $username, $language = null, $encoding = null)
 | 
						|
    {
 | 
						|
        $table_user = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
        $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
        // if username exist
 | 
						|
        if (!UserManager::is_username_available($username) || empty($username)) {
 | 
						|
            $i = 0;
 | 
						|
            while (1) {
 | 
						|
                if ($i == 0) {
 | 
						|
                    $sufix = '';
 | 
						|
                } else {
 | 
						|
                    $sufix = $i;
 | 
						|
                }
 | 
						|
                $desired_username = UserManager::create_username($firstname, $lastname, $language, $encoding);
 | 
						|
                if (UserManager::is_username_available($desired_username.$sufix)) {
 | 
						|
                    break;
 | 
						|
                } else {
 | 
						|
                    $i++;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $username_array = array('username' => $desired_username , 'sufix' => $sufix);
 | 
						|
            return $username_array;
 | 
						|
        } else {
 | 
						|
            $username_array = array('username' => $username, 'sufix' => '');
 | 
						|
            return $username_array;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Checks if there are repeted users in a given array
 | 
						|
     * @param  array $usernames list of the usernames in the uploaded file
 | 
						|
     * @param  array $user_array['username'] and $user_array['sufix'] where sufix is the number part in a login i.e -> jmontoya2
 | 
						|
     * @return array with the $usernames array and the $user_array array
 | 
						|
     * @author Julio Montoya Armas
 | 
						|
     */
 | 
						|
    public static function check_user_in_array($usernames, $user_array)
 | 
						|
    {
 | 
						|
        $user_list = array_keys($usernames);
 | 
						|
        $username = $user_array['username'].$user_array['sufix'];
 | 
						|
 | 
						|
        if (in_array($username, $user_list)) {
 | 
						|
            $user_array['sufix'] += $usernames[$username];
 | 
						|
            $usernames[$username]++;
 | 
						|
        } else {
 | 
						|
            $usernames[$username] = 1;
 | 
						|
        }
 | 
						|
        $result_array = array($usernames, $user_array);
 | 
						|
        return $result_array;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Checks whether a username has been already subscribed in a session.
 | 
						|
     * @param string a given username
 | 
						|
     * @param array  the array with the course list codes
 | 
						|
     * @param the session id
 | 
						|
     * @return 0 if the user is not subscribed  otherwise it returns the user_id of the given username
 | 
						|
     * @author Julio Montoya Armas
 | 
						|
     */
 | 
						|
    public static function user_available_in_session($username, $course_list, $id_session)
 | 
						|
    {
 | 
						|
        $table_user = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
        $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
        $id_session = intval($id_session);
 | 
						|
        $username = Database::escape_string($username);
 | 
						|
        foreach($course_list as $enreg_course) {
 | 
						|
            $sql_select = " SELECT u.user_id FROM $tbl_session_rel_course_rel_user rel INNER JOIN $table_user u
 | 
						|
                            ON (rel.id_user=u.user_id)
 | 
						|
                            WHERE
 | 
						|
                                rel.id_session='$id_session' AND
 | 
						|
                                u.status='5' AND
 | 
						|
                                u.username ='$username' AND
 | 
						|
                                rel.course_code='$enreg_course'";
 | 
						|
            $rs = Database::query($sql_select);
 | 
						|
            if (Database::num_rows($rs) > 0) {
 | 
						|
                return Database::result($rs, 0, 0);
 | 
						|
            } else {
 | 
						|
                return 0;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
    This function checks whether some users in the uploaded file repeated and creates unique usernames if necesary.
 | 
						|
    A case: Within the file there is an user repeted twice (Julio Montoya / Julio Montoya) and the username fields are empty.
 | 
						|
    Then, this function would create unique usernames based on the first and the last name. Two users wiould be created - jmontoya and jmontoya2.
 | 
						|
    Of course, if in the database there is a user with the name jmontoya, the newly created two users registered would be jmontoya2 and jmontoya3.
 | 
						|
    @param $users list of users
 | 
						|
    @author Julio Montoya Armas
 | 
						|
     */
 | 
						|
    function check_all_usernames($users, $course_list, $id_session) {
 | 
						|
        $table_user = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
        $usernames = array();
 | 
						|
        $new_users = array();
 | 
						|
        foreach ($users as $index => $user) {
 | 
						|
            $desired_username = array();
 | 
						|
            if (empty($user['UserName'])) {
 | 
						|
                $desired_username = MySpace::make_username($user['FirstName'], $user['LastName'], '');
 | 
						|
                $pre_username = $desired_username['username'].$desired_username['sufix'];
 | 
						|
                $user['UserName'] = $pre_username;
 | 
						|
                $user['create'] = '1';
 | 
						|
            } else {
 | 
						|
                if (UserManager::is_username_available($user['UserName'])) {
 | 
						|
                    $desired_username = MySpace::make_username($user['FirstName'], $user['LastName'], $user['UserName']);
 | 
						|
                    $user['UserName'] = $desired_username['username'].$desired_username['sufix'];
 | 
						|
                    $user['create'] = '1';
 | 
						|
                } else {
 | 
						|
                    $is_session_avail = MySpace::user_available_in_session($user['UserName'], $course_list, $id_session);
 | 
						|
                    if ($is_session_avail == 0) {
 | 
						|
                        $user_name = $user['UserName'];
 | 
						|
                        $sql_select = "SELECT user_id FROM $table_user WHERE username ='$user_name' ";
 | 
						|
                        $rs = Database::query($sql_select);
 | 
						|
                        $user['create'] = Database::result($rs, 0, 0); // This should be the ID because the user exists.
 | 
						|
                    } else {
 | 
						|
                        $user['create'] = $is_session_avail;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // Usernames is the current list of users in the file.
 | 
						|
            $result_array = MySpace::check_user_in_array($usernames, $desired_username);
 | 
						|
            $usernames = $result_array[0];
 | 
						|
            $desired_username = $result_array[1];
 | 
						|
            $user['UserName'] = $desired_username['username'].$desired_username['sufix'];
 | 
						|
            $new_users[] = $user;
 | 
						|
        }
 | 
						|
        return $new_users;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * This functions checks whether there are users that are already registered in the DB by different creator than the current coach.
 | 
						|
     * @param string a given username
 | 
						|
     * @param array  the array with the course list codes
 | 
						|
     * @param the session id
 | 
						|
     * @author Julio Montoya Armas
 | 
						|
     */
 | 
						|
    function get_user_creator($users, $course_list, $id_session) {
 | 
						|
        $errors = array();
 | 
						|
        foreach ($users as $index => $user) {
 | 
						|
            // database table definition
 | 
						|
            $table_user = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
            $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
            $username = Database::escape_string($user['UserName']);
 | 
						|
            //echo "<br>";
 | 
						|
            $sql = "SELECT creator_id FROM $table_user WHERE username='$username' ";
 | 
						|
 | 
						|
            $rs = Database::query($sql);
 | 
						|
            $creator_id = Database::result($rs, 0, 0);
 | 
						|
            // check if we are the creators or not
 | 
						|
            if ($creator_id != '') {
 | 
						|
                if ($creator_id != api_get_user_id()) {
 | 
						|
                    $user['error'] = get_lang('UserAlreadyRegisteredByOtherCreator');
 | 
						|
                    $errors[] = $user;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $errors;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Validates imported data.
 | 
						|
     * @param list of users
 | 
						|
     */
 | 
						|
    function validate_data($users, $id_session = null) {
 | 
						|
        $errors = array();
 | 
						|
        $usernames = array();
 | 
						|
        $new_users = array();
 | 
						|
        foreach ($users as $index => $user) {
 | 
						|
            // 1. Check whether mandatory fields are set.
 | 
						|
            $mandatory_fields = array('LastName', 'FirstName');
 | 
						|
            if (api_get_setting('registration', 'email') == 'true') {
 | 
						|
                $mandatory_fields[] = 'Email';
 | 
						|
            }
 | 
						|
 | 
						|
            foreach ($mandatory_fields as $key => $field) {
 | 
						|
                if (!isset ($user[$field]) || strlen($user[$field]) == 0) {
 | 
						|
                    $user['error'] = get_lang($field.'Mandatory');
 | 
						|
                    $errors[] = $user;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // 2. Check whether the username is too long.
 | 
						|
            if (UserManager::is_username_too_long($user['UserName'])) {
 | 
						|
                $user['error'] = get_lang('UserNameTooLong');
 | 
						|
                $errors[] = $user;
 | 
						|
            }
 | 
						|
 | 
						|
            $user['UserName'] = trim($user['UserName']);
 | 
						|
 | 
						|
            if (empty($user['UserName'])) {
 | 
						|
                $user['UserName'] = UserManager::create_username($user['FirstName'], $user['LastName']);
 | 
						|
            }
 | 
						|
            $new_users[] = $user;
 | 
						|
        }
 | 
						|
        $results = array('errors' => $errors, 'users' => $new_users);
 | 
						|
        return $results;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Adds missing user-information (which isn't required, like password, etc).
 | 
						|
     */
 | 
						|
    function complete_missing_data($user) {
 | 
						|
        // 1. Generate a password if it is necessary.
 | 
						|
        if (!isset ($user['Password']) || strlen($user['Password']) == 0) {
 | 
						|
            $user['Password'] = api_generate_password();
 | 
						|
        }
 | 
						|
        return $user;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Saves imported data.
 | 
						|
     */
 | 
						|
    function save_data($users, $course_list, $id_session) {
 | 
						|
        $tbl_session                        = Database::get_main_table(TABLE_MAIN_SESSION);
 | 
						|
        $tbl_session_rel_course             = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
 | 
						|
        $tbl_session_rel_course_rel_user    = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
        $tbl_session_rel_user               = Database::get_main_table(TABLE_MAIN_SESSION_USER);
 | 
						|
 | 
						|
        $id_session = intval($id_session);
 | 
						|
        $sendMail = $_POST['sendMail'] ? 1 : 0;
 | 
						|
 | 
						|
        // Adding users to the platform.
 | 
						|
        $new_users = array();
 | 
						|
        foreach ($users as $index => $user) {
 | 
						|
            $user = MySpace::complete_missing_data($user);
 | 
						|
            // coach only will registered users
 | 
						|
            $default_status = '5';
 | 
						|
            if ($user['create'] == '1') {
 | 
						|
                $user['id'] = UserManager :: create_user($user['FirstName'], $user['LastName'], $default_status, $user['Email'], $user['UserName'], $user['Password'], $user['OfficialCode'], api_get_setting('PlatformLanguage'), $user['PhoneNumber'], '');
 | 
						|
                $user['added_at_platform'] = 1;
 | 
						|
            } else {
 | 
						|
                $user['id'] = $user['create'];
 | 
						|
                $user['added_at_platform'] = 0;
 | 
						|
            }
 | 
						|
            $new_users[] = $user;
 | 
						|
        }
 | 
						|
        // Update user list.
 | 
						|
        $users = $new_users;
 | 
						|
 | 
						|
        // Inserting users.
 | 
						|
        $super_list = array();
 | 
						|
        foreach ($course_list as $enreg_course) {
 | 
						|
            $nbr_users = 0;
 | 
						|
            $new_users = array();
 | 
						|
            $enreg_course = Database::escape_string($enreg_course);
 | 
						|
            foreach ($users as $index => $user) {
 | 
						|
                $userid = intval($user['id']);
 | 
						|
                $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user) VALUES('$id_session','$enreg_course','$userid')";
 | 
						|
                $course_session = array('course' => $enreg_course, 'added' => 1);
 | 
						|
                //$user['added_at_session'] = $course_session;
 | 
						|
                $result = Database::query($sql);
 | 
						|
                if (Database::affected_rows($result)) {
 | 
						|
                    $nbr_users++;
 | 
						|
                }
 | 
						|
                $new_users[] = $user;
 | 
						|
            }
 | 
						|
            $super_list[] = $new_users;
 | 
						|
 | 
						|
            //update the nbr_users field
 | 
						|
            $sql_select = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course'";
 | 
						|
            $rs = Database::query($sql_select);
 | 
						|
            list($nbr_users) = Database::fetch_array($rs);
 | 
						|
            $sql_update = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
 | 
						|
            Database::query($sql_update);
 | 
						|
 | 
						|
            $sql_update = "UPDATE $tbl_session SET nbr_users= '$nbr_users' WHERE id='$id_session'";
 | 
						|
            Database::query($sql_update);
 | 
						|
        }
 | 
						|
        // We don't delete the users (thoughts while dreaming)
 | 
						|
        //$sql_delete = "DELETE FROM $tbl_session_rel_user WHERE id_session = '$id_session'";
 | 
						|
        //Database::query($sql_delete);
 | 
						|
 | 
						|
        $new_users = array();
 | 
						|
        foreach ($users as $index => $user) {
 | 
						|
            $userid = $user['id'];
 | 
						|
            $sql_insert = "INSERT IGNORE INTO $tbl_session_rel_user(id_session, id_user) VALUES('$id_session','$userid')";
 | 
						|
            Database::query($sql_insert);
 | 
						|
            $user['added_at_session'] = 1;
 | 
						|
            $new_users[] = $user;
 | 
						|
        }
 | 
						|
 | 
						|
        $users = $new_users;
 | 
						|
        $registered_users = get_lang('FileImported').'<br /> Import file results : <br />';
 | 
						|
        // Sending emails.
 | 
						|
        $addedto = '';
 | 
						|
        if ($sendMail) {
 | 
						|
            $i = 0;
 | 
						|
            foreach ($users as $index => $user) {
 | 
						|
                $emailsubject = '['.api_get_setting('siteName').'] '.get_lang('YourReg').' '.api_get_setting('siteName');
 | 
						|
                $emailbody = get_lang('Dear').' '.api_get_person_name($user['FirstName'], $user['LastName']).",\n\n".get_lang('YouAreReg')." ".api_get_setting('siteName')." ".get_lang('WithTheFollowingSettings')."\n\n".get_lang('Username')." : $user[UserName]\n".get_lang('Pass')." : $user[Password]\n\n".get_lang('Address')." ".api_get_setting('siteName')." ".get_lang('Is')." : ".api_get_path(WEB_PATH)." \n\n".get_lang('Problem')."\n\n".get_lang('SignatureFormula').",\n\n".api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'))."\n".get_lang('Manager')." ".api_get_setting('siteName')."\nT. ".api_get_setting('administratorTelephone')."\n".get_lang('Email')." : ".api_get_setting('emailAdministrator')."";
 | 
						|
 | 
						|
                api_mail_html(
 | 
						|
                    api_get_person_name($user['FirstName'], $user['LastName'], null, PERSON_NAME_EMAIL_ADDRESS),
 | 
						|
                    $user['Email'],
 | 
						|
                    $emailsubject,
 | 
						|
                    $emailbody
 | 
						|
                );
 | 
						|
 | 
						|
                if (($user['added_at_platform'] == 1  && $user['added_at_session'] == 1) || $user['added_at_session'] == 1) {
 | 
						|
                    if ($user['added_at_platform'] == 1) {
 | 
						|
                        $addedto = get_lang('UserCreatedPlatform');
 | 
						|
                    } else  {
 | 
						|
                        $addedto = '          ';
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($user['added_at_session'] == 1) {
 | 
						|
                        $addedto .= get_lang('UserInSession');
 | 
						|
                    }
 | 
						|
                    $registered_users .= "<a href=\"../user/userInfo.php?uInfo=".$user['id']."\">".api_get_person_name($user['FirstName'], $user['LastName'])."</a> - ".$addedto.'<br />';
 | 
						|
                } else {
 | 
						|
                    $addedto = get_lang('UserNotAdded');
 | 
						|
                    $registered_users .= "<a href=\"../user/userInfo.php?uInfo=".$user['id']."\">".api_get_person_name($user['FirstName'], $user['LastName'])."</a> - ".$addedto.'<br />';
 | 
						|
                }
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $i = 0;
 | 
						|
            foreach ($users as $index => $user) {
 | 
						|
                if (($user['added_at_platform'] == 1 && $user['added_at_session'] == 1) || $user['added_at_session'] == 1) {
 | 
						|
                    if ($user['added_at_platform'] == 1) {
 | 
						|
                        $addedto = get_lang('UserCreatedPlatform');
 | 
						|
                    } else {
 | 
						|
                        $addedto = '          ';
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($user['added_at_session'] == 1) {
 | 
						|
                        $addedto .= ' '.get_lang('UserInSession');
 | 
						|
                    }
 | 
						|
 | 
						|
                    $registered_users .= "<a href=\"../user/userInfo.php?uInfo=".$user['id']."\">".api_get_person_name($user['FirstName'], $user['LastName'])."</a> - ".$addedto.'<br />';
 | 
						|
                } else {
 | 
						|
                    $addedto = get_lang('UserNotAdded');
 | 
						|
                    $registered_users .= "<a href=\"../user/userInfo.php?uInfo=".$user['id']."\">".api_get_person_name($user['FirstName'], $user['LastName'])."</a> - ".$addedto.'<br />';
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        header('Location: course.php?id_session='.$id_session.'&action=show_message&message='.urlencode($registered_users));
 | 
						|
        exit ();
 | 
						|
 | 
						|
        //header('Location: resume_session.php?id_session='.$id_session);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Reads CSV-file.
 | 
						|
     * @param string $file Path to the CSV-file
 | 
						|
     * @return array All userinformation read from the file
 | 
						|
     */
 | 
						|
    function parse_csv_data($file) {
 | 
						|
        $users = Import :: csv_to_array($file);
 | 
						|
        foreach ($users as $index => $user) {
 | 
						|
            if (isset ($user['Courses'])) {
 | 
						|
                $user['Courses'] = explode('|', trim($user['Courses']));
 | 
						|
            }
 | 
						|
            $users[$index] = $user;
 | 
						|
        }
 | 
						|
        return $users;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * XML-parser: the handler at the beginning of element.
 | 
						|
     */
 | 
						|
    function element_start($parser, $data) {
 | 
						|
        $data = api_utf8_decode($data);
 | 
						|
        global $user;
 | 
						|
        global $current_tag;
 | 
						|
        switch ($data) {
 | 
						|
            case 'Contact' :
 | 
						|
                $user = array ();
 | 
						|
                break;
 | 
						|
            default :
 | 
						|
                $current_tag = $data;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * XML-parser: the handler at the end of element.
 | 
						|
     */
 | 
						|
    function element_end($parser, $data) {
 | 
						|
        $data = api_utf8_decode($data);
 | 
						|
        global $user;
 | 
						|
        global $users;
 | 
						|
        global $current_value;
 | 
						|
        global $purification_option_for_usernames;
 | 
						|
        $user[$data] = $current_value;
 | 
						|
        switch ($data) {
 | 
						|
            case 'Contact' :
 | 
						|
                $user['UserName'] = UserManager::purify_username($user['UserName'], $purification_option_for_usernames);
 | 
						|
                $users[] = $user;
 | 
						|
                break;
 | 
						|
            default :
 | 
						|
                $user[$data] = $current_value;
 | 
						|
                break;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * XML-parser: the handler for character data.
 | 
						|
     */
 | 
						|
    function character_data($parser, $data) {
 | 
						|
        $data = trim(api_utf8_decode($data));
 | 
						|
        global $current_value;
 | 
						|
        $current_value = $data;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Reads XML-file.
 | 
						|
     * @param string $file Path to the XML-file
 | 
						|
     * @return array All userinformation read from the file
 | 
						|
     */
 | 
						|
    function parse_xml_data($file) {
 | 
						|
        global $current_tag;
 | 
						|
        global $current_value;
 | 
						|
        global $user;
 | 
						|
        global $users;
 | 
						|
        $users = array ();
 | 
						|
        $parser = xml_parser_create('UTF-8');
 | 
						|
        xml_set_element_handler($parser, array('MySpace','element_start'), array('MySpace','element_end'));
 | 
						|
        xml_set_character_data_handler($parser, "character_data");
 | 
						|
        xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, false);
 | 
						|
        xml_parse($parser, api_utf8_encode_xml(file_get_contents($file)));
 | 
						|
        xml_parser_free($parser);
 | 
						|
        return $users;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @param $user_id
 | 
						|
 * @param int $courseId
 | 
						|
 * @param null $start_date
 | 
						|
 * @param null $end_date
 | 
						|
 * @return array
 | 
						|
 */
 | 
						|
function get_stats($user_id, $courseId, $start_date = null, $end_date = null)
 | 
						|
{
 | 
						|
    // Database table definitions
 | 
						|
    $tbl_track_course   = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
 | 
						|
 | 
						|
    $course_info = api_get_course_info_by_id($courseId);
 | 
						|
    if (!empty($course_info)) {
 | 
						|
        $strg_sd    = "";
 | 
						|
        $strg_ed    = "";
 | 
						|
        if ($start_date != null && $end_date != null){
 | 
						|
            $end_date = add_day_to( $end_date );
 | 
						|
            $strg_sd = "AND login_course_date BETWEEN '$start_date' AND '$end_date'";
 | 
						|
            $strg_ed = "AND logout_course_date BETWEEN '$start_date' AND '$end_date'";
 | 
						|
        }
 | 
						|
        $sql = 'SELECT
 | 
						|
                SEC_TO_TIME(avg(time_to_sec(timediff(logout_course_date,login_course_date)))) as avrg,
 | 
						|
                SEC_TO_TIME(sum(time_to_sec(timediff(logout_course_date,login_course_date)))) as total,
 | 
						|
                count(user_id) as times
 | 
						|
                FROM ' . $tbl_track_course . '
 | 
						|
                WHERE
 | 
						|
                    user_id = ' . intval($user_id) . ' AND
 | 
						|
                    c_id = ' . intval($courseId) . ' '.$strg_sd.' '.$strg_ed.' '.'
 | 
						|
                ORDER BY login_course_date ASC';
 | 
						|
 | 
						|
        $rs = Database::query($sql);
 | 
						|
        $result = array();
 | 
						|
 | 
						|
        if ($row = Database::fetch_array($rs)) {
 | 
						|
            $foo_avg    = $row['avrg'];
 | 
						|
            $foo_total  = $row['total'];
 | 
						|
            $foo_times  = $row['times'];
 | 
						|
            $result = array('avg' => $foo_avg, 'total' => $foo_total, 'times' => $foo_times);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return $result;
 | 
						|
}
 | 
						|
 | 
						|
function add_day_to($end_date) {
 | 
						|
    $foo_date = strtotime( $end_date );
 | 
						|
    $foo_date = strtotime(" +1 day", $foo_date);
 | 
						|
    $foo_date = date("Y-m-d", $foo_date);
 | 
						|
    return $foo_date;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * Gets the connections to a course as an array of login and logout time
 | 
						|
 *
 | 
						|
 * @param   int       $user_id
 | 
						|
 * @param   int    $courseId
 | 
						|
 * @author  Jorge Frisancho Jibaja
 | 
						|
 * @author  Julio Montoya <gugli100@gmail.com> fixing the function
 | 
						|
 * @version OCT-22- 2010
 | 
						|
 * @return  array
 | 
						|
 */
 | 
						|
function get_connections_to_course_by_date($user_id, $courseId, $start_date, $end_date)
 | 
						|
{
 | 
						|
    // Database table definitions
 | 
						|
    $tbl_track_course   = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
 | 
						|
    $course_info = api_get_course_info_by_id($courseId);
 | 
						|
    $user_id = intval($user_id);
 | 
						|
    $courseId = intval($courseId);
 | 
						|
    $connections = array();
 | 
						|
 | 
						|
    if (!empty($course_info)) {
 | 
						|
        $end_date = add_day_to($end_date);
 | 
						|
        $sql = "SELECT login_course_date, logout_course_date
 | 
						|
                FROM $tbl_track_course
 | 
						|
                WHERE
 | 
						|
                  user_id = $user_id AND
 | 
						|
                  c_id = $courseId AND
 | 
						|
                  login_course_date BETWEEN '$start_date' AND '$end_date' AND
 | 
						|
                  logout_course_date BETWEEN '$start_date' AND '$end_date'
 | 
						|
                ORDER BY login_course_date ASC";
 | 
						|
        $rs = Database::query($sql);
 | 
						|
 | 
						|
        while ($row = Database::fetch_array($rs)) {
 | 
						|
            $login_date = $row['login_course_date'];
 | 
						|
            $logout_date = $row['logout_course_date'];
 | 
						|
            $timestamp_login_date = strtotime($login_date);
 | 
						|
            $timestamp_logout_date = strtotime($logout_date);
 | 
						|
            $connections[] = array(
 | 
						|
                'login' => $timestamp_login_date,
 | 
						|
                'logout' => $timestamp_logout_date
 | 
						|
            );
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return $connections;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 *
 | 
						|
 *
 | 
						|
 * @param array
 | 
						|
 * @author Jorge Frisancho Jibaja
 | 
						|
 * @version OCT-22- 2010
 | 
						|
 * @return array
 | 
						|
 */
 | 
						|
function convert_to_array($sql_result){
 | 
						|
    $result_to_print = '<table>';
 | 
						|
    foreach ($sql_result as $key => $data) {
 | 
						|
        $result_to_print .= '<tr><td>'.date('d-m-Y (H:i:s)', $data['login']).'</td><td>'.api_time_to_hms($data['logout'] - $data['login']).'</tr></td>'."\n";
 | 
						|
    }
 | 
						|
    $result_to_print .= '</table>';
 | 
						|
    $result_to_print = array("result"=>$result_to_print);
 | 
						|
    return $result_to_print;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * Converte an array to a table in html
 | 
						|
 *
 | 
						|
 * @param array $sql_result
 | 
						|
 * @author Jorge Frisancho Jibaja
 | 
						|
 * @version OCT-22- 2010
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function convert_to_string($sql_result){
 | 
						|
    $result_to_print = '<table>';
 | 
						|
    if (!empty($sql_result)) {
 | 
						|
        foreach ($sql_result as $key => $data) {
 | 
						|
            $result_to_print .= '<tr><td>'.date('d-m-Y (H:i:s)', $data['login']).'</td><td>'.api_time_to_hms($data['logout'] - $data['login']).'</tr></td>'."\n";
 | 
						|
        }
 | 
						|
    }
 | 
						|
    $result_to_print .= '</table>';
 | 
						|
    return $result_to_print;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
 * This function draw the graphic to be displayed on the user view as an image
 | 
						|
 *
 | 
						|
 * @param array $sql_result
 | 
						|
 * @param string $start_date
 | 
						|
 * @param string $end_date
 | 
						|
 * @param string $type
 | 
						|
 * @author Jorge Frisancho Jibaja
 | 
						|
 * @version OCT-22- 2010
 | 
						|
 * @return string
 | 
						|
 */
 | 
						|
function grapher($sql_result, $start_date, $end_date, $type = "")
 | 
						|
{
 | 
						|
    if (empty($start_date)) { $start_date =""; }
 | 
						|
    if (empty($end_date)) { $end_date =""; }
 | 
						|
    if ($type == ""){ $type = 'day'; }
 | 
						|
    $main_year  = $main_month_year = $main_day = array();
 | 
						|
    // get last 8 days/months
 | 
						|
    $last_days      = 5;
 | 
						|
    $last_months    = 3;
 | 
						|
    for ($i = $last_days; $i >= 0; $i--) {
 | 
						|
        $main_day[date ('d-m-Y', mktime () - $i * 3600 * 24)] = 0;
 | 
						|
    }
 | 
						|
    for ($i = $last_months; $i >= 0; $i--) {
 | 
						|
        $main_month_year[date ('m-Y', mktime () - $i * 30 * 3600 * 24)] = 0;
 | 
						|
    }
 | 
						|
 | 
						|
    $i = 0;
 | 
						|
    if (is_array($sql_result) && count($sql_result) > 0) {
 | 
						|
        foreach ($sql_result as $key => $data) {
 | 
						|
            //creating the main array
 | 
						|
            $main_month_year[date('m-Y', $data['login'])] += float_format(($data['logout'] - $data['login']) / 60, 0);
 | 
						|
            $main_day[date('d-m-Y', $data['login'])] += float_format(($data['logout'] - $data['login']) / 60, 0);
 | 
						|
            if ($i > 500) {
 | 
						|
                break;
 | 
						|
            }
 | 
						|
            $i++;
 | 
						|
        }
 | 
						|
        switch ($type) {
 | 
						|
            case 'day':
 | 
						|
                $main_date = $main_day;
 | 
						|
                break;
 | 
						|
            case 'month':
 | 
						|
                $main_date = $main_month_year;
 | 
						|
                break;
 | 
						|
            case 'year':
 | 
						|
                $main_date = $main_year;
 | 
						|
                break;
 | 
						|
        }
 | 
						|
 | 
						|
        // the nice graphics :D
 | 
						|
        $labels = array_keys($main_date);
 | 
						|
        if (count($main_date) == 1) {
 | 
						|
            $labels = $labels[0];
 | 
						|
            $main_date = $main_date[$labels];
 | 
						|
        }
 | 
						|
 | 
						|
        /* Create and populate the pData object */
 | 
						|
        $myData = new pData();
 | 
						|
        $myData->addPoints($main_date, 'Serie1');
 | 
						|
        if (count($main_date)!= 1) {
 | 
						|
            $myData->addPoints($labels, 'Labels');
 | 
						|
            $myData->setSerieDescription('Labels', 'Months');
 | 
						|
            $myData->setAbscissa('Labels');
 | 
						|
        }
 | 
						|
        $myData->setSerieWeight('Serie1', 1);
 | 
						|
        $myData->setSerieDescription('Serie1', get_lang('MyResults'));
 | 
						|
        $myData->setAxisName(0, get_lang('Minutes'));
 | 
						|
        $myData->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
 | 
						|
 | 
						|
 | 
						|
        // Cache definition
 | 
						|
        $cachePath = api_get_path(SYS_ARCHIVE_PATH);
 | 
						|
        $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
 | 
						|
        $chartHash = $myCache->getHash($myData);
 | 
						|
 | 
						|
        if ($myCache->isInCache($chartHash)) {
 | 
						|
            //if we already created the img
 | 
						|
            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
 | 
						|
            $myCache->saveFromCache($chartHash, $imgPath);
 | 
						|
            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
 | 
						|
        } else {
 | 
						|
            /* Define width, height and angle */
 | 
						|
            $mainWidth = 760;
 | 
						|
            $mainHeight = 230;
 | 
						|
            $angle = 50;
 | 
						|
 | 
						|
            /* Create the pChart object */
 | 
						|
            $myPicture = new pImage($mainWidth, $mainHeight, $myData);
 | 
						|
 | 
						|
            /* Turn of Antialiasing */
 | 
						|
            $myPicture->Antialias = false;
 | 
						|
 | 
						|
            /* Draw the background */
 | 
						|
            $settings = array("R" => 255, "G" => 255, "B" => 255);
 | 
						|
            $myPicture->drawFilledRectangle(0, 0, $mainWidth, $mainHeight, $settings);
 | 
						|
 | 
						|
            /* Add a border to the picture */
 | 
						|
            $myPicture->drawRectangle(
 | 
						|
                0,
 | 
						|
                0,
 | 
						|
                $mainWidth - 1,
 | 
						|
                $mainHeight - 1,
 | 
						|
                array("R" => 0, "G" => 0, "B" => 0)
 | 
						|
            );
 | 
						|
 | 
						|
            /* Set the default font */
 | 
						|
            $myPicture->setFontProperties(
 | 
						|
                array(
 | 
						|
                    "FontName" => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
 | 
						|
                    "FontSize" => 10)
 | 
						|
            );
 | 
						|
            /* Write the chart title */
 | 
						|
            $myPicture->drawText(
 | 
						|
                $mainWidth / 2,
 | 
						|
                30,
 | 
						|
                get_lang('ExercisesInTimeProgressChart'),
 | 
						|
                array(
 | 
						|
                    "FontSize" => 12,
 | 
						|
                    "Align" => TEXT_ALIGN_BOTTOMMIDDLE
 | 
						|
                )
 | 
						|
            );
 | 
						|
 | 
						|
            /* Set the default font */
 | 
						|
            $myPicture->setFontProperties(
 | 
						|
                array(
 | 
						|
                    "FontName" => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
 | 
						|
                    "FontSize" => 8
 | 
						|
                )
 | 
						|
            );
 | 
						|
 | 
						|
            /* Define the chart area */
 | 
						|
            $myPicture->setGraphArea(50, 40, $mainWidth - 40, $mainHeight - 80);
 | 
						|
 | 
						|
            /* Draw the scale */
 | 
						|
            $scaleSettings = array(
 | 
						|
                'XMargin' => 10,
 | 
						|
                'YMargin' => 10,
 | 
						|
                'Floating' => true,
 | 
						|
                'GridR' => 200,
 | 
						|
                'GridG' => 200,
 | 
						|
                'GridB' => 200,
 | 
						|
                'DrawSubTicks' => true,
 | 
						|
                'CycleBackground' => true,
 | 
						|
                'LabelRotation' => $angle,
 | 
						|
                'Mode' => SCALE_MODE_ADDALL_START0,
 | 
						|
            );
 | 
						|
            $myPicture->drawScale($scaleSettings);
 | 
						|
 | 
						|
            /* Turn on Antialiasing */
 | 
						|
            $myPicture->Antialias = true;
 | 
						|
 | 
						|
            /* Enable shadow computing */
 | 
						|
            $myPicture->setShadow(
 | 
						|
                true,
 | 
						|
                array(
 | 
						|
                    "X" => 1,
 | 
						|
                    "Y" => 1,
 | 
						|
                    "R" => 0,
 | 
						|
                    "G" => 0,
 | 
						|
                    "B" => 0,
 | 
						|
                    "Alpha" => 10
 | 
						|
                )
 | 
						|
            );
 | 
						|
 | 
						|
            /* Draw the line chart */
 | 
						|
            $myPicture->setFontProperties(
 | 
						|
                array(
 | 
						|
                    "FontName" => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
 | 
						|
                    "FontSize" => 10
 | 
						|
                )
 | 
						|
            );
 | 
						|
            $myPicture->drawSplineChart();
 | 
						|
            $myPicture->drawPlotChart(
 | 
						|
                array(
 | 
						|
                    "DisplayValues" => true,
 | 
						|
                    "PlotBorder" => true,
 | 
						|
                    "BorderSize" => 1,
 | 
						|
                    "Surrounding" => -60,
 | 
						|
                    "BorderAlpha" => 80
 | 
						|
                )
 | 
						|
            );
 | 
						|
 | 
						|
            /* Do NOT Write the chart legend */
 | 
						|
 | 
						|
            /* Write and save into cache */
 | 
						|
            $myCache->writeToCache($chartHash, $myPicture);
 | 
						|
            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
 | 
						|
            $myCache->saveFromCache($chartHash, $imgPath);
 | 
						|
            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
 | 
						|
        }
 | 
						|
        $html = '<img src="' . $imgPath . '">';
 | 
						|
 | 
						|
        return $html;
 | 
						|
    } else {
 | 
						|
        $foo_img = api_convert_encoding('<div id="messages" class="warning-message">'.get_lang('GraphicNotAvailable').'</div>','UTF-8');
 | 
						|
 | 
						|
        return $foo_img;
 | 
						|
    }
 | 
						|
 | 
						|
}
 | 
						|
 |