/**
* This function exports the table that we see in display_tracking_user_overview()
*
* @author Patrick Cool <*****@*****.**>, Ghent University, Belgium
* @version Dokeos 1.8.6
* @since October 2008
*/
public static function export_tracking_user_overview()
{
// database table definitions
$tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
$sort_by_first_name = api_sort_by_first_name();
// the values of the sortable table
if ($_GET['tracking_user_overview_page_nr']) {
$from = $_GET['tracking_user_overview_page_nr'];
} else {
$from = 0;
}
if ($_GET['tracking_user_overview_column']) {
$orderby = $_GET['tracking_user_overview_column'];
} else {
$orderby = 0;
}
if ($is_western_name_order != api_is_western_name_order() && ($orderby == 1 || $orderby == 2)) {
// Swapping the sorting column if name order for export is different than the common name order.
$orderby = 3 - $orderby;
}
if ($_GET['tracking_user_overview_direction']) {
$direction = $_GET['tracking_user_overview_direction'];
} else {
$direction = 'ASC';
}
$user_data = MySpace::get_user_data_tracking_overview($from, 1000, $orderby, $direction);
// the first line of the csv file with the column headers
$csv_row = array();
$csv_row[] = get_lang('OfficialCode');
if ($is_western_name_order) {
$csv_row[] = get_lang('FirstName', '');
$csv_row[] = get_lang('LastName', '');
} else {
$csv_row[] = get_lang('LastName', '');
$csv_row[] = get_lang('FirstName', '');
}
$csv_row[] = get_lang('LoginName');
$csv_row[] = get_lang('CourseCode');
// the additional user defined fields (only those that were selected to be exported)
$fields = UserManager::get_extra_fields(0, 50, 5, 'ASC');
if (is_array($_SESSION['additional_export_fields'])) {
foreach ($_SESSION['additional_export_fields'] as $key => $extra_field_export) {
$csv_row[] = $fields[$extra_field_export][3];
$field_names_to_be_exported[] = 'extra_' . $fields[$extra_field_export][1];
}
}
$csv_row[] = get_lang('AvgTimeSpentInTheCourse', '');
$csv_row[] = get_lang('AvgStudentsProgress', '');
$csv_row[] = get_lang('AvgCourseScore', '');
$csv_row[] = get_lang('AvgExercisesScore', '');
$csv_row[] = get_lang('AvgMessages', '');
$csv_row[] = get_lang('AvgAssignments', '');
$csv_row[] = get_lang('TotalExercisesScoreObtained', '');
$csv_row[] = get_lang('TotalExercisesScorePossible', '');
$csv_row[] = get_lang('TotalExercisesAnswered', '');
$csv_row[] = get_lang('TotalExercisesScorePercentage', '');
$csv_row[] = get_lang('FirstLogin', '');
$csv_row[] = get_lang('LatestLogin', '');
$csv_content[] = $csv_row;
// the other lines (the data)
foreach ($user_data as $key => $user) {
// getting all the courses of the user
$sql = "SELECT * FROM {$tbl_course_user}\n WHERE user_id = '" . intval($user[4]) . "' AND relation_type<>" . COURSE_RELATION_TYPE_RRHH . " ";
$result = Database::query($sql);
while ($row = Database::fetch_row($result)) {
$courseInfo = api_get_course_info($row['course_code']);
$courseId = $courseInfo['real_id'];
$csv_row = array();
// user official code
$csv_row[] = $user[0];
// user first|last name
$csv_row[] = $user[1];
// user last|first name
$csv_row[] = $user[2];
// user login name
$csv_row[] = $user[3];
// course code
$csv_row[] = $row[0];
// the additional defined user fields
$extra_fields = MySpace::get_user_overview_export_extra_fields($user[4]);
if (is_array($field_names_to_be_exported)) {
foreach ($field_names_to_be_exported as $key => $extra_field_export) {
$csv_row[] = $extra_fields[$extra_field_export];
}
}
// time spent in the course
$csv_row[] = api_time_to_hms(Tracking::get_time_spent_on_the_course($user[4], $courseId));
// student progress in course
$csv_row[] = round(Tracking::get_avg_student_progress($user[4], $row[0]), 2);
// student score
$csv_row[] = round(Tracking::get_avg_student_score($user[4], $row[0]), 2);
// student tes score
$csv_row[] = round(Tracking::get_avg_student_exercise_score($user[4], $row[0]), 2);
// student messages
$csv_row[] = Tracking::count_student_messages($user[4], $row[0]);
// student assignments
$csv_row[] = Tracking::count_student_assignments($user[4], $row[0]);
// student exercises results
$exercises_results = MySpace::exercises_results($user[4], $row[0]);
$csv_row[] = $exercises_results['score_obtained'];
$csv_row[] = $exercises_results['score_possible'];
$csv_row[] = $exercises_results['questions_answered'];
$csv_row[] = $exercises_results['percentage'];
// first connection
$csv_row[] = Tracking::get_first_connection_date_on_the_course($user[4], $courseId);
// last connection
$csv_row[] = strip_tags(Tracking::get_last_connection_date_on_the_course($user[4], $courseInfo));
$csv_content[] = $csv_row;
}
}
Export::arrayToCsv($csv_content, 'reporting_user_overview');
exit;
}
