user_id = $user_id; $this->path = 'block_course'; if ($this->is_block_visible_for_user($user_id)) { $this->courses = CourseManager::get_courses_followed_by_drh($user_id); } } /** * This method check if a user is allowed to see the block inside dashboard interface * @param int User id * @return bool Is block visible for user */ public function is_block_visible_for_user($user_id) { $user_info = api_get_user_info($user_id); $user_status = $user_info['status']; $is_block_visible_for_user = false; if (UserManager::is_admin($user_id) || in_array( $user_status, $this->permission ) ) { $is_block_visible_for_user = true; } return $is_block_visible_for_user; } /** * This method return content html containing information about courses and its position for showing it inside dashboard interface * it's important to use the name 'get_block' for beeing used from dashboard controller * @return array column and content html */ public function get_block() { global $charset; $column = 2; $data = array(); $content = $this->get_content_html(); $html = '

' . get_lang('CoursesInformation') . '

' . $content . '

'; $data['column'] = $column; $data['content_html'] = $html; return $data; } /** * This method return a content html, it's used inside get_block method for showing it inside dashboard interface * @return string content html */ public function get_content_html() { $course_data = $this->get_course_information_data(); //$content = '

'; $content = '

' . get_lang( 'YourCourseList' ) . '

'; $data_table = null; if (!empty($course_data)) { $data_table .= ''; $data_table .= ''; $i = 1; foreach ($course_data as $course) { if ($i % 2 == 0) { $class_tr = 'row_odd'; } else { $class_tr = 'row_even'; } $data_table .= ''; if (!isset($course[2])) { $course[2] = '0:00:00'; } foreach ($course as $cell) { $data_table .= ''; } $data_table .= ''; $i++; } $data_table .= '

' . get_lang('CourseTitle') . '	' . get_lang('NbStudents') . '	' . get_lang('AvgTimeSpentInTheCourse') . '	' . get_lang('ThematicAdvance') . '
' . $cell . '

'; } else { $data_table .= get_lang('ThereIsNoInformationAboutYourCourses'); } $content .= $data_table; if (!empty($course_data)) { $content .= '

' . get_lang('SeeMore') . '

'; } //$content .= '

'; return $content; } /** * Get number of courses * @return int */ function get_number_of_courses() { return count($this->courses); } /** * Get course information data * @return array */ function get_course_information_data() { $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER); $course_data = array(); $courses = $this->courses; $thematic = new Thematic(); foreach ($courses as $row_course) { $course_code = $row_course['code']; $courseInfo = api_get_course_info($course_code); $courseId = $courseInfo['real_id']; $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 $sql = "SELECT user_id FROM $tbl_course_user as course_rel_user WHERE course_rel_user.status=" . STUDENT . " AND course_rel_user.c_id='$courseId'"; $rs = Database::query($sql); $users = array(); while ($row = Database::fetch_array($rs)) { $users[] = $row['user_id']; } if (count($users) > 0) { $nb_students_in_course = count($users); $avg_time_spent_in_course = api_time_to_hms( Tracking::get_time_spent_on_the_course($users, $courseId) / $nb_students_in_course); } else { $avg_time_spent_in_course = null; } $tematic_advance = $thematic->get_total_average_of_thematic_advances( $course_code, 0 ); if (!empty($tematic_advance)) { $tematic_advance_progress = '' . $tematic_advance . '%'; } else { $tematic_advance_progress = '0%'; } $table_row = array(); $table_row[] = $row_course['title']; $table_row[] = $nb_students_in_course; $table_row[] = $avg_time_spent_in_course; $table_row[] = $tematic_advance_progress; $course_data[] = $table_row; } return $course_data; } }