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							1821 lines
						
					
					
						
							75 KiB
						
					
					
				
			
		
		
	
	
							1821 lines
						
					
					
						
							75 KiB
						
					
					
				<?php
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						|
/* For licensing terms, see /license.txt */
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						|
require_once api_get_path(LIBRARY_PATH).'sortabletable.class.php';
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						|
require_once api_get_path(LIBRARY_PATH).'export.lib.inc.php';
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require_once api_get_path(LIBRARY_PATH).'tracking.lib.php';
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						|
require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
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						|
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
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class MySpace {
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						|
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	/* For licensing terms, see /dokeos_license.txt */
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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 $message;
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	}
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	/**
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	 * Gets the connections to a course as an array of login and logout time
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	 *
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	 * @param 	int 	User ud
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	 * @param 	string 	Course code
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	 * @param	int		Session id (optional, default = 0)
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	 * @return 	array   Conections
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	 */
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	function get_connections_to_course($user_id, $course_code, $session_id = 0) {
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		// Database table definitions
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	    $tbl_track_course 	= Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
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	    $tbl_main			= Database :: get_main_table(TABLE_MAIN_COURSE);
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		// protect data
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		$user_id     = intval($user_id);
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		$course_code = Database::escape_string($course_code);
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		$session_id  = intval($session_id);
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	    /*$sql_query = 'SELECT visual_code as course_code FROM '.$tbl_main.' c WHERE code="'.$course_code.'"';
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	    $result = Database::query($sql_query);
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	    $row_query = Database::fetch_array($result, 'ASSOC');
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	    $course_true = isset($row_query['course_code']) ? $row_query['course_code']: $course_code;*/
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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.'
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	    	AND course_code="'.$course_code.'" AND session_id = '.$session_id.' 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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	        $login_date = $row['login_course_date'];
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	        $logout_date = $row['logout_course_date'];
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	        $login_date = api_get_local_time($login_date, null, date_default_timezone_get());
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	        $logout_date = api_get_local_time($logout_date, null, date_default_timezone_get());
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	        $timestamp_login_date = api_strtotime($login_date);
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	        $timestamp_logout_date = api_strtotime($logout_date);
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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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	 * TODO: Not used, to b deleted?
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	 * Enter description here...
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	 * @param int $user_id
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	 * @param string $course_code
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	 * @param date $year
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	 * @param date $month
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	 * @param date $day
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	 * @return unknown
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	 */
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	function get_connections_to_course_by_time($user_id, $course_code, $year = '', $month = '', $day = '') {
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		// Database table definitions
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	    $tbl_track_course 		= Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
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	    $tbl_main				= Database :: get_main_table(TABLE_MAIN_COURSE);
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	    /*$sql_query = 'SELECT visual_code as course_code FROM '.$tbl_main.' c WHERE code="'.Database :: escape_string($course_code).'";';
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	    $result = Database::query($sql_query);
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	    $row_query = Database::fetch_array($result,'ASSOC');
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	    $course_true = isset($row_query['course_code']) ? $row_query['course_code']: $course_code;*/
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	    $sql = 'SELECT login_course_date, logout_course_date FROM ' . $tbl_track_course . '
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	    				WHERE user_id = ' . intval($user_id) . '
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	    				AND course_code="' . Database::escape_string($course_code) . '"
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	    				ORDER BY login_course_date DESC';
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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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	        $login_date = $row['login_course_date'];
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	        $logout_date = $row['logout_course_date'];
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	        $timestamp_login_date = strtotime($login_date);
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	        $timestamp_logout_date = strtotime($logout_date);
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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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	 * 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 $row the row information (the other columns)
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	 * @return string html code
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	 */
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	function course_info_tracking_filter($user_id, $url_params, $row) {
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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 $tbl_course_user WHERE user_id = '".Database::escape_string($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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			$return .= '<tr>';
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			// course code
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			$return .= '	<td width="157px" >'.cut($row[0], 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, $row[0])).'</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, $row[0]), 2).'</div></td>';
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			// student score
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			$avg_score = Tracking :: get_avg_student_score($user_id, $row[0]);
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			if (is_numeric($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, $row[0]),2).'%</div></td>';
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			// student messages
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			$return .= '	<td><div>'.Tracking :: count_student_messages($user_id, $row[0]).'</div></td>';
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			// student assignments
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			$return .= '	<td><div>'.Tracking :: count_student_assignments($user_id, $row[0]).'</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, $row[0]);
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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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			//$return .= '	<td><div>'.$exercises_results['percentage'].'% </div></td>';
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			// first connection
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			//$return .= '	<td width="60px">'.Tracking :: get_first_connection_date_on_the_course ($user_id, $row[0]).'</td>';
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			// last connection
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			$return .= '	<td><div>'.Tracking :: get_last_connection_date_on_the_course ($user_id, $row[0]).'</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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	function display_tracking_user_overview() {
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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>';
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						|
		$t_head .= '		<th style="padding:0;border-bottom:0"><span>'.cut(get_lang('TotalExercisesAnswered'), 6, true).'</span></th>';
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						|
		//$t_head .= '		<th><div>'.get_lang('TotalExercisesScorePercentage').'</div></th>';
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						|
		//$t_head .= '		<th><div style="width:60px">'.get_lang('FirstLogin').'</div></th>';
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		$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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		$table = new SortableTable('tracking_user_overview', array('MySpace','get_number_of_users_tracking_overview'), array('MySpace','get_user_data_tracking_overview'), 0);
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		$table->additional_parameters = $addparams;
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						|
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						|
		$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()) {
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			$table->set_header(1, get_lang('FirstName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
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			$table->set_header(2, get_lang('LastName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
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						|
		} else {
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			$table->set_header(1, get_lang('LastName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
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			$table->set_header(2, get_lang('FirstName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
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						|
		}
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		$table->set_header(3, get_lang('LoginName'), true, array('style' => 'font-size:8pt'), array('style' => 'font-size:8pt'));
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						|
		$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;'));
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						|
		$table->set_column_filter(4, array('MySpace','course_info_tracking_filter'));
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						|
		$table->display();
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						|
	}
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						|
 | 
						|
	/**
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						|
	 * Displays a form with all the additionally defined user fields of the profile
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						|
	 * and give you the opportunity to include these in the CSV export
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						|
	 *
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						|
	 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
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						|
	 * @version Dokeos 1.8.6
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						|
	 * @since November 2008
 | 
						|
	 */
 | 
						|
	function display_user_overview_export_options() {
 | 
						|
		// include the user manager and formvalidator library
 | 
						|
 | 
						|
 | 
						|
		if ($_GET['export'] == 'options') {
 | 
						|
			// get all the defined extra fields
 | 
						|
			$extrafields = UserManager::get_extra_fields(0, 50, 5, 'ASC', false);
 | 
						|
 | 
						|
			// 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]);
 | 
						|
				}
 | 
						|
				$form->addElement('style_submit_button','submit', get_lang('Ok'),'class="save"' );
 | 
						|
 | 
						|
				// setting the default values for the form that contains all the extra fields
 | 
						|
				if (is_array($_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
 | 
						|
	 */
 | 
						|
	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 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 function get_course_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);
 | 
						|
		$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
 | 
						|
		/*if ($_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 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 $row the row information (the other columns)
 | 
						|
	 * @return string html code
 | 
						|
	 */
 | 
						|
	function course_tracking_filter($course_code, $url_params, $row) {
 | 
						|
		$course_code = $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_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
		$tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
		$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, $course_code);
 | 
						|
			$progress_tmp = Tracking::get_avg_student_progress($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, $course_code, null, false);
 | 
						|
			if($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()
 | 
						|
	 *
 | 
						|
	 */
 | 
						|
	function export_tracking_course_overview() {
 | 
						|
		// database table definition
 | 
						|
		$tbl_course_rel_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
		$tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
 | 
						|
		$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
		// the values of the sortable table
 | 
						|
		if ($_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];
 | 
						|
			$course_title = $course[1];
 | 
						|
 | 
						|
			$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, $course_code);
 | 
						|
				$progress_tmp = Tracking::get_avg_student_progress($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, $course_code, null, false);
 | 
						|
				if($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>
 | 
						|
	 */
 | 
						|
	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 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 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 $row the row information (the other columns)
 | 
						|
	 * @return string html code
 | 
						|
	 */
 | 
						|
	function session_tracking_filter($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)) {
 | 
						|
			$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 = '".$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, $row->code, $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, $row->code, $session_id, false);
 | 
						|
				if($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()
 | 
						|
	 *
 | 
						|
	 */
 | 
						|
	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)) {
 | 
						|
				$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, $row->code, $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, $row->code, $session_id, false);
 | 
						|
					if($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 $course_code the course code
 | 
						|
	 * @return array
 | 
						|
	 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
	 * @version Dokeos 1.8.6
 | 
						|
	 * @since November 2008
 | 
						|
	 */
 | 
						|
	function exercises_results($user_id, $course_code, $session_id = false) {
 | 
						|
		$questions_answered = 0;
 | 
						|
		$sql = 'SELECT exe_result , exe_weighting
 | 
						|
			FROM '.Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES)."
 | 
						|
			WHERE exe_cours_id = '".Database::escape_string($course_code)."'
 | 
						|
			AND exe_user_id = '".Database::escape_string($user_id)."'";
 | 
						|
		if($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
 | 
						|
	 */
 | 
						|
	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 $tbl_course_user WHERE user_id = '".Database::escape_string($user[4])."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ";
 | 
						|
			$result = Database::query($sql);
 | 
						|
			while ($row = Database::fetch_row($result)) {
 | 
						|
				$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], $row[0]));
 | 
						|
				// 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], $row[0]);
 | 
						|
				// last connection
 | 
						|
				$csv_row[] = strip_tags(Tracking :: get_last_connection_date_on_the_course ($user[4], $row[0]));
 | 
						|
 | 
						|
				$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
 | 
						|
	 */
 | 
						|
	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);
 | 
						|
 | 
						|
		$a_course_students  = array();
 | 
						|
		$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];
 | 
						|
			$course_info = api_get_course_info($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, $course_code, $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);
 | 
						|
				}
 | 
						|
				$avg_score_in_exercise = round($avg_score_in_exercise / $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.'&studentlist=true&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
 | 
						|
	 */
 | 
						|
	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
 | 
						|
	 */
 | 
						|
	function get_user_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);
 | 
						|
		$main_user_table = Database :: get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
		if ($_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();
 | 
						|
		}
 | 
						|
		$sql = "SELECT
 | 
						|
					official_code 	AS col0,
 | 
						|
					".($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 $user_id the id of the user
 | 
						|
	 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 | 
						|
	 * @version Dokeos 1.8.6
 | 
						|
	 * @since November 2008
 | 
						|
	 */
 | 
						|
	function get_user_overview_export_extra_fields($user_id) {
 | 
						|
		// include the user manager
 | 
						|
 | 
						|
		$extra_data = UserManager::get_extra_user_data($user_id, true);
 | 
						|
		return $extra_data;
 | 
						|
	}
 | 
						|
	/**
 | 
						|
	 * Checks if a username exist in the DB otherwise it create a "double"
 | 
						|
	 * i.e. if we look into for jmontoya but the user's name already exist we create the user jmontoya2
 | 
						|
	 * the return array will be array(username=>'jmontoya', sufix='2')
 | 
						|
	 * @param string firstname
 | 
						|
	 * @param string lastname
 | 
						|
	 * @param string username
 | 
						|
	 * @return array with the username, the sufix
 | 
						|
	 * @author Julio Montoya Armas
 | 
						|
	 */
 | 
						|
	function make_username($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 $user_array array
 | 
						|
	 * @author Julio Montoya Armas
 | 
						|
	 */
 | 
						|
	function check_user_in_array($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 $result_array;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Checks whether a username has been already subscribed in a session.
 | 
						|
	 * @param string a given username
 | 
						|
	 * @param array  the array with the course list codes
 | 
						|
	 * @param the session id
 | 
						|
	 * @return 0 if the user is not subscribed  otherwise it returns the user_id of the given username
 | 
						|
	 * @author Julio Montoya Armas
 | 
						|
	 */
 | 
						|
	function user_available_in_session($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'] = $course_session;
 | 
						|
				Database::query($sql);
 | 
						|
				if (Database::affected_rows()) {
 | 
						|
					$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) {
 | 
						|
				$emailto = api_get_person_name($user['FirstName'], $user['LastName'], null, PERSON_NAME_EMAIL_ADDRESS).' <'.$user['Email'].'>';
 | 
						|
				$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('Formula').",\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')."";
 | 
						|
				$emailheaders = 'From: '.api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS).' <'.api_get_setting('emailAdministrator').">\n";
 | 
						|
				$emailheaders .= 'Reply-To: '.api_get_setting('emailAdministrator');
 | 
						|
				@api_send_mail($emailto, $emailsubject, $emailbody, $emailheaders);
 | 
						|
 | 
						|
				if (($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;
 | 
						|
	}
 | 
						|
}
 | 
						|
 |