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303 lines
12 KiB
303 lines
12 KiB
<?php
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/* For licensing terms, see /dokeos_license.txt */
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/**
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==============================================================================
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* This is the tracking library for Dokeos.
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* Include/require it in your code to use its functionality.
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*
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* @package dokeos.library
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==============================================================================
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* Calculates the time spent on the course
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* @param integer $user_id the user id
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* @param string $course_code the course code
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* Funzione scritta da Mario per testare cose
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*/
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// name of the language file that needs to be included
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$language_file = array ('registration', 'index', 'tracking');
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// including the global Dokeos file
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require '../inc/global.inc.php';
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// including additional libraries
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require_once api_get_path(LIBRARY_PATH).'pchart/pData.class.php';
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require_once api_get_path(LIBRARY_PATH).'pchart/pChart.class.php';
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require_once api_get_path(LIBRARY_PATH).'pchart/pCache.class.php';
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// the section (for the tabs)
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$this_section = "session_my_space";
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/* MAIN */
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$user_id = Security::remove_XSS($_REQUEST['student']);
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$course_code = Security::remove_XSS($_REQUEST['course']);
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$connections = get_connections_to_course($user_id, $course_code);
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if (api_is_xml_http_request()) {
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$type = Security::remove_XSS($_GET['type']);
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$main_year = $main_month_year = $main_day = array();
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// get last 8 days/months
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$last_days = 8;
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$last_months = 5;
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for ($i = $last_days; $i >= 0; $i--) {
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$main_day[date ('d-m-Y', mktime () - $i * 3600 * 24)] = 0;
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}
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for ($i = $last_months; $i >= 0; $i--) {
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$main_month_year[date ('m-Y', mktime () - $i * 30 * 3600 * 24)] = 0;
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}
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$i = 0;
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if (is_array($connections) && count($connections) > 0) {
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foreach ($connections as $key => $data) {
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//creating the main array
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$main_month_year[date('m-Y', $data['login'])] += float_format(($data['logout'] - $data['login']) / 60, 0);
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$main_day[date('d-m-Y', $data['login'])] += float_format(($data['logout'] - $data['login']) / 60, 0);
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if ($i > 500) {
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break;
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}
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$i++;
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}
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switch ($type) {
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case 'day':
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$main_date = $main_day;
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break;
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case 'month':
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$main_date = $main_month_year;
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break;
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case 'year':
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$main_date = $main_year;
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break;
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}
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// the nice graphics :D
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$labels = array_keys($main_date);
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if (count($main_date) == 1) {
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$labels = $labels[0];
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$main_date = $main_date[$labels];
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}
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$data_set = new pData;
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$data_set->AddPoint($main_date, 'Q');
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if (count($main_date)!= 1) {
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$data_set->AddPoint($labels, 'Date');
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}
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$data_set->AddAllSeries();
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$data_set->RemoveSerie('Date');
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$data_set->SetAbsciseLabelSerie('Date');
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$data_set->SetYAxisName(get_lang('Minutes', ''));
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$graph_id = api_get_user_id().'AccessDetails'.api_get_course_id();
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$data_set->AddAllSeries();
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$cache = new pCache();
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// the graph id
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$data = $data_set->GetData();
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if ($cache->IsInCache($graph_id, $data_set->GetData())) {
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//if (0) {
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//if we already created the img
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// echo 'in cache';
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$img_file = $cache->GetHash($graph_id, $data_set->GetData());
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} else {
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// if the image does not exist in the archive/ folder
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// Initialise the graph
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$test = new pChart(760, 230);
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//which schema of color will be used
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$quant_resources = count($data[0]) - 1;
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// Adding the color schemma
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$test->loadColorPalette(api_get_path(LIBRARY_PATH).'pchart/palette/default.txt');
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$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 8);
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$test->setGraphArea(70, 30, 680, 200);
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$test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
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$test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
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$test->drawGraphArea(255, 255, 255, TRUE);
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$test->drawScale($data_set->GetData(), $data_set->GetDataDescription(), SCALE_START0, 150, 150, 150, TRUE, 0, 0);
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$test->drawGrid(4, TRUE, 230, 230, 230, 50);
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$test->setLineStyle(2);
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// Draw the 0 line
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$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 6);
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$test->drawTreshold(0, 143, 55, 72, TRUE, TRUE);
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if (count($main_date) == 1) {
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//Draw a graph
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echo '<strong>'.$labels.'</strong><br/>';
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$test->drawBarGraph($data_set->GetData(), $data_set->GetDataDescription(), TRUE);
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} else {
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//Draw the line graph
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$test->drawLineGraph($data_set->GetData(), $data_set->GetDataDescription());
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$test->drawPlotGraph($data_set->GetData(), $data_set->GetDataDescription(), 3, 2, 255, 255, 255);
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}
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// Finish the graph
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$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 8);
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$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 10);
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$test->drawTitle(60, 22, get_lang('AccessDetails', ''), 50, 50, 50, 585);
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//------------------
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//echo 'not in cache';
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$cache->WriteToCache($graph_id, $data_set->GetData(), $test);
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ob_start();
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$test->Stroke();
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ob_end_clean();
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$img_file = $cache->GetHash($graph_id, $data_set->GetData());
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}
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echo '<img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file.'">';
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} else {
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Display::display_warning_message (get_lang('GraphicNotAvailable'));
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}
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exit;
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}
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$nameTools = get_lang('AccessDetails');
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//StudentDetails
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if (isset($_GET['origin']) && strcmp($_GET['origin'], 'tracking_course') === 0) {
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$interbreadcrumb[] = array ("url" => "../tracking/courseLog.php?cidReq=".Security::remove_XSS($_GET['course'])."&studentlist=true&id_session=".api_get_session_id(), "name" => get_lang("Tracking"));
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$interbreadcrumb[] = array ("url" => "myStudents.php?student=".Security::remove_XSS($_GET['student'])."&details=true&origin=".Security::remove_XSS($_GET['origin'])."&course=".Security::remove_XSS($_GET['course']).'&cidReq='.Security::remove_XSS($_GET['course']), "name" => get_lang('DetailsStudentInCourse'));
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$interbreadcrumb[] = array ("url" => "javascript: void(0);", "name" => get_lang("Details"));
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} elseif (isset($_GET['origin']) && strcmp($_GET['origin'], 'user_course') === 0) {
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$interbreadcrumb[] = array ("url" => "../user/user.php?cidReq=".Security::remove_XSS($_GET['course']), "name" => get_lang("Users"));
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$interbreadcrumb[] = array ("url" => "myStudents.php?student=".Security::remove_XSS($_GET['student'])."&details=true&origin=".Security::remove_XSS($_GET['origin'])."&course=".Security::remove_XSS($_GET['course']).'&cidReq='.Security::remove_XSS($_GET['course']), "name" => get_lang('DetailsStudentInCourse'));
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$interbreadcrumb[] = array ("url" => "javascript: void(0);", "name" => get_lang("Details"));
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}
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$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
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$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery-1.1.3.1.pack.js" type="text/javascript"></script>';
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$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.history_remote.pack.js" type="text/javascript"></script>';
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$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.tabs.pack.js" type="text/javascript"></script>';
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$htmlHeadXtra[] = '<link rel="stylesheet" href="../inc/lib/javascript/jquery.tabs.css" type="text/css" media="print, projection, screen">';
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$htmlHeadXtra[] = '<script type="text/javascript">
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$(function() {
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$("#container-9").tabs({ remote: true});
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});
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</script>';
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Display :: display_header('');
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$tbl_userinfo_def = Database :: get_course_table(TABLE_USER_INFO);
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$main_user_info = api_get_user_info($user_id);
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$result_to_print = '';
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$main_date_array = array();
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foreach ($connections as $key => $data) {
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$result_to_print .= ' '.date('d-m-Y (H:i:s)', $data['login']).' - '.api_time_to_hms($data['logout'] - $data['login']).'<br />'."\n";
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}
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api_display_tool_title(get_lang('DetailsStudentInCourse'));
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echo '<div class="actions">';
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echo '<strong>'.get_lang('User').': '.api_get_person_name($main_user_info['firstName'], $main_user_info['lastName']).'</strong> <strong>'.get_lang('Course').': '.$course_code.'</strong></div>';
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?>
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<div id="container-9">
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<ul>
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<li><a href="access_details.php?type=day&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span> <?php echo api_ucfirst(get_lang('Day')); ?></span></a></li>
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<li><a href="access_details.php?type=month&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span><?php echo api_ucfirst(get_lang('MinMonth')); ?></span></a></li>
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</ul>
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<?php echo '<div id="show"></div>'; ?>
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</div>
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<?php
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echo '<div id="graph"></div><br />';
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echo '<div class="actions"><strong>', get_lang('DateAndTimeOfAccess'), ' - ', get_lang('Duration'), '</strong></div><br />';
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echo $result_to_print;
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/* Login time against logout time
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foreach ($connections as $key => $data) {
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echo ("<tr><td>".date("d-m-Y (H:i:s)", $data['login'])."</td><td>".date("d-m-Y (H:i:s)", $data['logout'])."</td></tr>");
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}
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*/
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/*
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foreach ($connections as $key => $data) {
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echo ("<tr><td>".date("d-m-Y (H:i:s)", $data['login'])."</td><td>".api_time_to_hms($data['logout'] - $data['login'])."</td></tr>");
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}
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echo ("</table>");
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*/
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Display:: display_footer();
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/*
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-----------------------------------------------------------
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Functions
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-----------------------------------------------------------
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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 unknown_type $user_id
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* @param unknown_type $course_code
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* @return unknown
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*/
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function get_connections_to_course($user_id, $course_code) {
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// Database table definitions
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$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, __FILE__, __LINE__);
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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($course_true) . '" ORDER BY login_course_date ASC';
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$rs = Database::query($sql, __FILE__, __LINE__);
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$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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* TODO: Not used, to b deleted?
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* Enter description here...
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*
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* @param unknown_type $user_id
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* @param unknown_type $course_code
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* @param unknown_type $year
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* @param unknown_type $month
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* @param unknown_type $day
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* @return unknown
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*/
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function get_connections_to_course_by_time($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, __FILE__, __LINE__);
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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($course_true) . '"
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ORDER BY login_course_date DESC';
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$rs = Database::query($sql, __FILE__, __LINE__);
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$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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