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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * This file contains class used like library, provides functions for attendance tool. It's also used like model to attendance_controller (MVC pattern)
- * @author Christian Fasanando <christian1827@gmail.com>
- * @author Julio Montoya <gugli100@gmail.com> improvements
- * @package chamilo.attendance
- */
- /**
- * Attendance can be used to instanciate objects or as a library to manage attendances
- * @package chamilo.attendance
- */
- class Attendance
- {
- private $session_id;
- private $course_id;
- private $date_time;
- private $name;
- private $description;
- private $attendance_qualify_title;
- private $attendance_weight;
- private $course_int_id;
- // constants
- const DONE_ATTENDANCE_LOG_TYPE = 'done_attendance_sheet';
- const UPDATED_ATTENDANCE_LOG_TYPE = 'updated_attendance_sheet';
- const LOCKED_ATTENDANCE_LOG_TYPE = 'locked_attendance_sheet';
- public function __construct() {
- //$this->course_int_id = api_get_course_int_id();
- }
- /**
- * Get the total number of attendance inside current course and current session
- * @see SortableTable#get_total_number_of_items()
- */
- function get_number_of_attendances() {
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
-
- $session_id = api_get_session_id();
- $condition_session = api_get_session_condition($session_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT COUNT(att.id) AS total_number_of_items FROM $tbl_attendance att
- WHERE c_id = {$course_id} AND att.active = 1 $condition_session ";
- $res = Database::query($sql);
- $res = Database::query($sql);
- $obj = Database::fetch_object($res);
- return $obj->total_number_of_items;
- }
- /**
- * Get attendance list only the id, name and attendance_qualify_max fields
- * @param string course db name (optional)
- * @param int session id (optional)
- * @return array attendances list
- */
- function get_attendances_list($course_id = '', $session_id = null) {
- // Initializing database table and variables
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $data = array();
- if (empty($course_id)) {
- $course_id = api_get_course_int_id();
- } else {
- $course_id = intval($course_id);
- }
- $session_id = isset($session_id)?intval($session_id):api_get_session_id();
- $condition_session = api_get_session_condition($session_id);
- // Get attendance data
- $sql = "SELECT id, name, attendance_qualify_max FROM $tbl_attendance
- WHERE c_id = {$course_id} AND active = 1 $condition_session ";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) > 0) {
- while ($row = Database::fetch_array($rs,'ASSOC')) {
- $data[$row['id']] = $row;
- }
- }
- return $data;
- }
- /**
- * Get the attendaces to display on the current page (fill the sortable-table)
- * @param int offset of first user to recover
- * @param int Number of users to get
- * @param int Column to sort on
- * @param string Order (ASC,DESC)
- * @see SortableTable#get_table_data($from)
- */
- function get_attendance_data($from, $number_of_items, $column, $direction) {
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $course_id = api_get_course_int_id();
- $session_id = api_get_session_id();
- $condition_session = api_get_session_condition($session_id);
- $column = intval($column);
- $from = intval($from);
- $number_of_items = intval($number_of_items);
- if (!in_array($direction, array('ASC','DESC'))) {
- $direction = 'ASC';
- }
- $active_plus = 'att.active = 1';
- if (api_is_platform_admin()) { $active_plus = ' 1=1 ';}
- $sql = "SELECT
- att.id AS col0,
- att.name AS col1,
- att.description AS col2,
- att.attendance_qualify_max AS col3,
- att.locked AS col4,
- att.active AS col5,
- att.session_id
- FROM $tbl_attendance att
- WHERE c_id = $course_id AND $active_plus $condition_session
- ORDER BY col$column $direction LIMIT $from,$number_of_items ";
- $res = Database::query($sql);
- $attendances = array ();
- $param_gradebook = '';
- if (isset($_SESSION['gradebook'])) {
- $param_gradebook = '&gradebook='.$_SESSION['gradebook'];
- }
- $user_info = api_get_user_info();
- while ($attendance = Database::fetch_row($res)) {
-
- $student_param = '';
- if (api_is_drh() && ($_GET['student_id'])) {
- $student_param = '&student_id='.Security::remove_XSS($_GET['student_id']);
- }
-
- $session_star = '';
-
- if (api_get_session_id() == $attendance[6]) {
- $session_star = api_get_session_image(api_get_session_id(), $user_info['status']);
- }
- if ($attendance[5] == 1) {
- $attendance[1] = '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list&attendance_id='.$attendance[0].$param_gradebook.$student_param.'">'.$attendance[1].'</a>'.$session_star;
- } else {
- $attendance[1] = '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list&attendance_id='.$attendance[0].$param_gradebook.$student_param.'"><del>'.$attendance[1].'</del></a>'.$session_star;
- }
- $attendance[3] = '<center>'.$attendance[3].'</center>';
- if (api_is_allowed_to_edit(null, true)) {
- $actions = '';
- $actions .= '<center>';
- if (api_is_platform_admin()) {
- $actions .= '<a href="index.php?'.api_get_cidreq().'&action=attendance_edit&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('edit.png',get_lang('Edit'), array(), 22).'</a> ';
- if ($attendance[5] == 1) {
- $actions .= '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToDelete').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=attendance_delete&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('delete.png',get_lang('Delete'), array(), 22).'</a>';
- } else {
- $actions .= '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToRestore').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=attendance_restore&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('invisible.png',get_lang('Restore'), array(), 22).'</a>';
- $attendance[2] = '<del>'.$attendance[2].'</del>';
- }
- } else {
- $is_locked_attendance = self::is_locked_attendance($attendance[0]);
- if ($is_locked_attendance) {
- $actions .= Display::return_icon('edit_na.gif',get_lang('Edit')).' ';
- $actions .= Display::return_icon('delete_na.gif',get_lang('Delete'));
- } else {
- $actions .= '<a href="index.php?'.api_get_cidreq().'&action=attendance_edit&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('edit.png',get_lang('Edit'), array(), 22).'</a> ';
- $actions .= '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToDelete').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=attendance_delete&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('delete.png',get_lang('Delete'), array(), 22).'</a>';
- }
- }
- // display lock/unlock icon
- $is_done_all_calendar = self::is_all_attendance_calendar_done($attendance[0]);
- if ($is_done_all_calendar) {
- $locked = $attendance[4];
- if ($locked == 0) {
- if (api_is_platform_admin()) {
- $message_alert = get_lang('AreYouSureToLockTheAttendance');
- } else {
- $message_alert = get_lang('UnlockMessageInformation');
- }
- $actions .= ' <a onclick="javascript:if(!confirm(\''.$message_alert.'\')) return false;" href="index.php?'.api_get_cidreq().'&action=lock_attendance&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('unlock.png',get_lang('LockAttendance')).'</a>';
- } else {
- if (api_is_platform_admin()) {
- $actions .= ' <a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToUnlockTheAttendance').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=unlock_attendance&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('locked.png',get_lang('UnlockAttendance')).'</a>';
- } else {
- $actions .= ' '.Display::return_icon('locked_na.png',get_lang('LockedAttendance'));
- }
- }
- }
- $actions .= '</center>';
- $attendances[] = array($attendance[0], $attendance[1], $attendance[2], $attendance[3],$actions);
- } else {
- $attendance[0] = ' ';
- $attendances[] = array($attendance[0], $attendance[1], $attendance[2], $attendance[3]);
- }
- }
- return $attendances;
- }
- /**
- * Get the attendaces by id to display on the current page
- * @param int attendance id
- * @return array attendance data
- */
- public function get_attendance_by_id($attendance_id) {
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- $attendance_data = array();
- $sql = "SELECT * FROM $tbl_attendance WHERE c_id = $course_id AND id = '$attendance_id'";
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- while ($row = Database::fetch_array($res)) {
- $attendance_data = $row;
- }
- }
- return $attendance_data;
- }
- /**
- * add attendaces inside table
- * @param bool true for adding link in gradebook or false otherwise (optional)
- * @return int last attendance id
- */
- public function attendance_add($link_to_gradebook = false) {
- global $_course;
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $table_link = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
- $session_id = api_get_session_id();
- $user_id = api_get_user_id();
- $course_code = api_get_course_id();
- $course_id = api_get_course_int_id();
- $title_gradebook= Database::escape_string($this->attendance_qualify_title);
- $value_calification = 0;
- $weight_calification = floatval($this->attendance_weight);
- $sql = "INSERT INTO $tbl_attendance SET
- c_id = $course_id,
- name ='".Database::escape_string($this->name)."',
- description = '".Database::escape_string($this->description)."',
- attendance_qualify_title = '$title_gradebook',
- attendance_weight = '$weight_calification',
- session_id = '$session_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- $last_id = 0;
- if (!empty($affected_rows)) {
- // save inside item property table
- $last_id = Database::insert_id();
- api_item_property_update($_course, TOOL_ATTENDANCE, $last_id,"AttendanceAdded", $user_id);
- }
- // add link to gradebook
- if ($link_to_gradebook) {
- $description = '';
- $link_id=is_resource_in_course_gradebook($course_code,7,$last_id,$session_id);
- if (!$link_id) {
- add_resource_to_course_gradebook($course_code, 7, $last_id, $title_gradebook,$weight_calification,$value_calification,$description,time(),1,$session_id);
- } else {
- Database::query('UPDATE '.$table_link.' SET weight='.$weight_calification.' WHERE id='.$link_id.'');
- }
- }
- return $last_id;
- }
- /**
- * edit attendaces inside table
- * @param int attendance id
- * @param bool true for adding link in gradebook or false otherwise (optional)
- * @return int last id
- */
- public function attendance_edit($attendance_id, $link_to_gradebook = false) {
- global $_course;
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $table_link = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
- $session_id = api_get_session_id();
- $user_id = api_get_user_id();
- $attendance_id = intval($attendance_id);
- $course_code = api_get_course_id();
- $course_id = api_get_course_int_id();
- $title_gradebook = Database::escape_string($this->attendance_qualify_title);
- $value_calification = 0;
- $weight_calification = floatval($this->attendance_weight);
-
- $sql = "UPDATE $tbl_attendance
- SET name ='".Database::escape_string($this->name)."',
- description = '".Database::escape_string($this->description)."',
- attendance_qualify_title = '".$title_gradebook."',
- attendance_weight = '".$weight_calification."'
- WHERE c_id = $course_id AND id = '$attendance_id'";
- Database::query($sql);
- if (!empty($affected_rows)) {
- // update row item property table
- $last_id = Database::insert_id();
- api_item_property_update($_course, TOOL_ATTENDANCE, $attendance_id,"AttendanceUpdated", $user_id);
- }
- // add link to gradebook
- if ($link_to_gradebook) {
- $description = '';
- $link_id=is_resource_in_course_gradebook($course_code,7,$attendance_id,$session_id);
- if (!$link_id) {
- add_resource_to_course_gradebook($course_code, 7, $attendance_id, $title_gradebook,$weight_calification,$value_calification,$description,time(),1,$session_id);
- } else {
- Database::query('UPDATE '.$table_link.' SET weight='.$weight_calification.' WHERE id='.$link_id.'');
- }
- }
- $last_id = $attendance_id;
- return $last_id;
- }
- /**
- * Restore attendance
- * @param int|array one or many attendances id
- * @return int affected rows
- */
- public function attendance_restore($attendance_id) {
- global $_course;
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $user_id = api_get_user_id();
- $course_id = api_get_course_int_id();
- if (is_array($attendance_id)) {
- foreach ($attendance_id as $id) {
- $id = intval($id);
- $sql = "UPDATE $tbl_attendance SET active = 1 WHERE c_id = $course_id AND id = '$id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- if (!empty($affected_rows)) {
- // update row item property table
- api_item_property_update($_course, TOOL_ATTENDANCE, $id,"restore", $user_id);
- }
- }
- } else {
- $attendance_id = intval($attendance_id);
- $sql = "UPDATE $tbl_attendance SET active = 1 WHERE c_id = $course_id AND id = '$attendance_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- if (!empty($affected_rows)) {
- // update row item property table
- api_item_property_update($_course, TOOL_ATTENDANCE, $attendance_id,"restore", $user_id);
- }
- }
- return $affected_rows;
- }
- /**
- * delete attendaces
- * @param int|array one or many attendances id
- * @return int affected rows
- */
- public function attendance_delete($attendance_id) {
- global $_course;
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $user_id = api_get_user_id();
- $course_id = api_get_course_int_id();
- if (is_array($attendance_id)) {
- foreach ($attendance_id as $id) {
- $id = intval($id);
- $sql = "UPDATE $tbl_attendance SET active = 0 WHERE c_id = $course_id AND id = '$id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- if (!empty($affected_rows)) {
- // update row item property table
- api_item_property_update($_course, TOOL_ATTENDANCE, $id,"delete", $user_id);
- }
- }
- } else {
- $attendance_id = intval($attendance_id);
- $sql = "UPDATE $tbl_attendance SET active = 0 WHERE c_id = $course_id AND id = '$attendance_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- if (!empty($affected_rows)) {
- // update row item property table
- api_item_property_update($_course, TOOL_ATTENDANCE, $attendance_id,"delete", $user_id);
- }
- }
- return $affected_rows;
- }
- /**
- * Lock or unlock an attendance
- * @param int attendance id
- * @param bool True to lock or false otherwise
- */
- public function lock_attendance($attendance_id, $lock = true) {
- $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
- $course_id = api_get_course_int_id();
- $attendance_id = intval($attendance_id);
- $locked = ($lock)?1:0;
- $upd = "UPDATE $tbl_attendance SET locked = $locked WHERE c_id = $course_id AND id = $attendance_id";
- Database::query($upd);
- $affected_rows = Database::affected_rows();
- if ($affected_rows && $lock) {
- //save attendance sheet log
- $lastedit_date = Date('Y-m-d H:i:s');
- $lastedit_type = self::LOCKED_ATTENDANCE_LOG_TYPE;
- $lastedit_user_id = api_get_user_id();
- $save_attendance_log = $this->save_attendance_sheet_log($attendance_id, $lastedit_date, $lastedit_type, $lastedit_user_id);
- }
- return $affected_rows;
- }
- /**
- * Get registered users inside current course
- * @param int attendance id for showing attendance result field (optional)
- * @return array users data
- */
- public function get_users_rel_course($attendance_id = 0) {
-
- $current_session_id = api_get_session_id();
- $current_course_id = api_get_course_id();
- if (!empty($current_session_id)) {
- $a_course_users = CourseManager :: get_user_list_from_course_code($current_course_id, true, $current_session_id,'','lastname');
- } else {
- $a_course_users = CourseManager :: get_user_list_from_course_code($current_course_id, false, 0, '','lastname');
- }
- // get registered users inside current course
- $a_users = array();
- foreach ($a_course_users as $key =>$user_data) {
- $value = array();
- $uid = $user_data['user_id'];
- $status = $user_data['status'];
-
- $user_status_in_session = null;
- $user_status_in_course = null;
-
- if (api_get_session_id()) {
- $user_status_in_session = SessionManager::get_user_status_in_session($uid, $current_course_id, $current_session_id);
- } else {
- $user_status_in_course = CourseManager::get_user_in_course_status($uid, $current_course_id);
- }
- //Not taking into account DRH or COURSEMANAGER
- if ($uid <= 1 || $status == DRH || $user_status_in_course == COURSEMANAGER || $user_status_in_session == 2) continue;
- if (!empty($attendance_id)) {
- $user_faults = $this->get_faults_of_user($uid, $attendance_id);
- $value['attendance_result'] = $user_faults['faults'].'/'.$user_faults['total'].' ('.$user_faults['faults_porcent'].'%)';
- $value['result_color_bar'] = $user_faults['color_bar'];
- }
- // user's picture
- $image_path = UserManager::get_user_picture_path_by_id($uid, 'web', false);
- $user_profile = UserManager::get_picture_user($uid, $image_path['file'], 22, USER_IMAGE_SIZE_SMALL, ' width="22" height="22" ');
- if (!empty($image_path['file'])) {
- $photo = '<center><a class="thickbox" href="'.$image_path['dir'].$image_path['file'].'" ><img src="'.$user_profile['file'].'" '.$user_profile['style'].' alt="'.api_get_person_name($user_data['firstname'], $user_data['lastname']).'" title="'.api_get_person_name($user_data['firstname'], $user_data['lastname']).'" /></a></center>';
- } else {
- $photo = '<center><img src="'.$user_profile['file'].'" '.$user_profile['style'].' alt="'.api_get_person_name($user_data['firstname'], $user_data['lastname']).'" title="'.api_get_person_name($user_data['firstname'], $user_data['lastname']).'" /></center>';
- }
- $value['photo'] = $photo;
- $value['firstname'] = $user_data['firstname'];
- $value['lastname'] = $user_data['lastname'];
- $value['username'] = $user_data['username']; // hub
- $value['user_id'] = $uid;
- //Sending only 5 items in the array instead of 60
- $a_users[$key] = $value;
- }
- return $a_users;
- }
- /**
- * add attendaces sheet inside table
- * @param int attendance calendar id
- * @param array present users during current class
- * @param int attendance id
- * @return int affected rows
- */
- public function attendance_sheet_add($calendar_id,$users_present,$attendance_id) {
- $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
- $tbl_attendance_calendar= Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
- $calendar_id = intval($calendar_id);
- $attendance_id = intval($attendance_id);
- $users = $this->get_users_rel_course();
- $course_id = api_get_course_int_id();
-
- $user_ids = array_keys($users);
- $users_absent = array_diff($user_ids,$users_present);
- $affected_rows = 0;
- // get last edit type
- $calendar_data = $this->get_attendance_calendar_by_id($calendar_id);
- $lastedit_type = self::DONE_ATTENDANCE_LOG_TYPE;
- if ($calendar_data['done_attendance']) {
- $lastedit_type = self::UPDATED_ATTENDANCE_LOG_TYPE;
- }
- // save users present in class
- foreach ($users_present as $user_present) {
- $uid = intval($user_present);
- // check if user already was registered with the $calendar_id
- $sql = "SELECT user_id FROM $tbl_attendance_sheet WHERE c_id = $course_id AND user_id='$uid' AND attendance_calendar_id = '$calendar_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "INSERT INTO $tbl_attendance_sheet SET
- c_id = $course_id,
- user_id = '$uid',
- attendance_calendar_id = '$calendar_id',
- presence = 1";
- Database::query($sql);
- $affected_rows += Database::affected_rows();
- } else {
- $sql = "UPDATE $tbl_attendance_sheet SET presence = 1 WHERE c_id = $course_id AND user_id ='$uid' AND attendance_calendar_id = '$calendar_id'";
- Database::query($sql);
- $affected_rows += Database::affected_rows();
- }
- }
- // save users absent in class
- foreach ($users_absent as $user_absent) {
- $uid = intval($user_absent);
- // check if user already was registered with the $calendar_id
- $sql = "SELECT user_id FROM $tbl_attendance_sheet WHERE c_id = $course_id AND user_id='$uid' AND attendance_calendar_id = '$calendar_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "INSERT INTO $tbl_attendance_sheet SET
- c_id = $course_id,
- user_id ='$uid',
- attendance_calendar_id = '$calendar_id',
- presence = 0";
- Database::query($sql);
- $affected_rows += Database::affected_rows();
- } else {
- $sql = "UPDATE $tbl_attendance_sheet SET presence = 0 WHERE c_id = $course_id AND user_id ='$uid' AND attendance_calendar_id = '$calendar_id'";
- Database::query($sql);
- $affected_rows += Database::affected_rows();
- }
- }
- // update done_attendance inside attendance calendar table
- $sql = "UPDATE $tbl_attendance_calendar SET done_attendance = 1 WHERE c_id = $course_id AND id = '$calendar_id'";
- Database::query($sql);
- // save users' results
- $this->update_users_results($user_ids, $attendance_id);
- if ($affected_rows) {
- //save attendance sheet log
- $lastedit_date = Date('Y-m-d H:i:s');
- $lastedit_user_id = api_get_user_id();
- $calendar_date_value = $calendar_data['date_time'];
- $save_attendance_log = $this->save_attendance_sheet_log($attendance_id, $lastedit_date, $lastedit_type, $lastedit_user_id, $calendar_date_value);
- }
- return $affected_rows;
- }
- /**
- * update users' attendance results
- * @param array registered users inside current course
- * @param int attendance id
- * @return void
- */
- public function update_users_results($user_ids, $attendance_id) {
- $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
- $tbl_attendance_calendar= Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
- $course_id = api_get_course_int_id();
-
- $attendance_id = intval($attendance_id);
- // fill results about presence of students
- $attendance_calendar = $this->get_attendance_calendar($attendance_id);
- $calendar_ids = array();
- // get all dates from calendar by current attendance
- foreach ($attendance_calendar as $cal) {
- $calendar_ids[] = $cal['id'];
- }
- // get count of presences by users inside current attendance and save like results
- $count_presences = 0;
- if (count($user_ids) > 0) {
- foreach ($user_ids as $uid) {
- $count_presences = 0;
- if (count($calendar_ids) > 0) {
- $sql = "SELECT count(presence) as count_presences FROM $tbl_attendance_sheet
- WHERE c_id = $course_id AND user_id = '$uid' AND attendance_calendar_id IN(".implode(',',$calendar_ids).") AND presence = 1";
- $rs_count = Database::query($sql);
- $row_count = Database::fetch_array($rs_count);
- $count_presences = $row_count['count_presences'];
- }
- // save results
- $sql = "SELECT id FROM $tbl_attendance_result WHERE c_id = $course_id AND user_id='$uid' AND attendance_id='$attendance_id'";
- $rs_check_result = Database::query($sql);
- if (Database::num_rows($rs_check_result) > 0) {
- // update result
- $sql = "UPDATE $tbl_attendance_result SET
- score='$count_presences'
- WHERE c_id = $course_id AND user_id='$uid' AND attendance_id='$attendance_id'";
- Database::query($sql);
- } else {
- // insert new result
- $sql = "INSERT INTO $tbl_attendance_result SET
- c_id = $course_id ,
- user_id = '$uid',
- attendance_id = '$attendance_id',
- score = '$count_presences'";
- Database::query($sql);
- }
- }
- }
- // update attendance qualify max
- $count_done_calendar = $this->get_done_attendance_calendar($attendance_id);
- $sql = "UPDATE $tbl_attendance SET attendance_qualify_max='$count_done_calendar' WHERE c_id = $course_id AND id = '$attendance_id'";
- Database::query($sql);
- }
- /**
- * update attendance_sheet_log table, is used as history of an attendance sheet
- * @param int Attendance id
- * @param string Last edit datetime
- * @param string Event type ('locked_attendance', 'done_attendance_sheet' ...)
- * @param int Last edit user id
- * @param string Calendar datetime value (optional, when event type is 'done_attendance_sheet')
- * @return int Affected rows
- */
- public function save_attendance_sheet_log($attendance_id, $lastedit_date, $lastedit_type, $lastedit_user_id, $calendar_date_value = null) {
- $course_id = api_get_course_int_id();
- // define table
- $tbl_attendance_sheet_log = Database::get_course_table(TABLE_ATTENDANCE_SHEET_LOG);
- // protect data
- $attendance_id = intval($attendance_id);
- $lastedit_date = Database::escape_string($lastedit_date);
- $lastedit_type = Database::escape_string($lastedit_type);
- $lastedit_user_id = intval($lastedit_user_id);
-
- if (isset($calendar_date_value)) {
- $calendar_date_value = Database::escape_string($calendar_date_value);
- } else {
- $calendar_date_value = '';
- }
- // save data
- $ins = "INSERT INTO $tbl_attendance_sheet_log(c_id, attendance_id, lastedit_date, lastedit_type, lastedit_user_id, calendar_date_value)
- VALUES($course_id, $attendance_id, '$lastedit_date', '$lastedit_type', $lastedit_user_id, '$calendar_date_value')";
- Database::query($ins);
- return Database::affected_rows();
-
- }
- /**
- * Get number of done attendances inside current sheet
- * @param int attendance id
- * @return int number of done attendances
- */
- public function get_done_attendance_calendar($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT count(done_attendance) as count FROM $tbl_attendance_calendar WHERE c_id = {$course_id} AND attendance_id = '$attendance_id' AND done_attendance=1";
- $rs = Database::query($sql);
- $row = Database::fetch_array($rs);
- $count = $row['count'];
- return $count;
- }
- /**
- * Get results of faults (absents) by user
- * @param int user id
- * @param int attendance id
- * @return array results containing number of faults, total done attendance, porcent of faults and color depend on result (red, orange)
- */
- public function get_faults_of_user($user_id, $attendance_id) {
- // initializing database table and variables
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $user_id = intval($user_id);
- $attendance_id = intval($attendance_id);
- $results = array();
- $attendance_data = $this->get_attendance_by_id($attendance_id);
-
- $calendar_count = $this->get_number_of_attendance_calendar($attendance_id);
-
- $total_done_attendance = $attendance_data['attendance_qualify_max'];
-
- $attendance_user_score = $this->get_user_score($user_id, $attendance_id);
-
- //This is the main change of the BT#1381
- //$total_done_attendance = $calendar_count;
- // calculate results
- $faults = $total_done_attendance - $attendance_user_score;
-
- $faults = $faults > 0 ? $faults:0;
- $faults_porcent = $calendar_count > 0 ?round(($faults*100)/$calendar_count,0):0;
- $results['faults'] = $faults;
- $results['total'] = $calendar_count;
- $results['faults_porcent'] = $faults_porcent;
- $color_bar = '';
- if ($faults_porcent > 25 ) {
- $color_bar = '#F11';
- } else if ($faults_porcent > 10) {
- $color_bar = '#F90';
- }
- $results['color_bar'] = $color_bar;
- return $results;
- }
- /**
- * Get results of faults average for all courses by user
- * @param int user id
- * @return array results containing number of faults, total done attendance, porcent of faults and color depend on result (red, orange)
- */
- public function get_faults_average_inside_courses($user_id) {
- // get all courses of current user
- $courses = CourseManager::get_courses_list_by_user_id($user_id, true);
- $user_id = intval($user_id);
- $results = array();
- $total_faults = $total_weight = $porcent = 0;
- foreach ($courses as $course) {
- //$course_code = $course['code'];
- //$course_info = api_get_course_info($course_code);
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $attendances_by_course = $this->get_attendances_list($course['real_id']);
- foreach ($attendances_by_course as $attendance) {
- // get total faults and total weight
- $total_done_attendance = $attendance['attendance_qualify_max'];
- $sql = "SELECT score FROM $tbl_attendance_result WHERE user_id=$user_id AND attendance_id=".$attendance['id'];
- $rs = Database::query($sql);
- $score = 0;
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_array($rs);
- $score = $row['score'];
- }
- $faults = $total_done_attendance-$score;
- $faults = $faults > 0 ? $faults:0;
- $total_faults += $faults;
- $total_weight += $total_done_attendance;
- }
- }
- $porcent = $total_weight > 0 ?round(($total_faults*100)/$total_weight,0):0;
- $results['faults'] = $total_faults;
- $results['total'] = $total_weight;
- $results['porcent'] = $porcent;
- return $results;
- }
- /**
- * Get results of faults average by course
- * @param int user id
- * @param int Session id (optional)
- * @return array results containing number of faults, total done attendance, porcent of faults and color depend on result (red, orange)
- */
- public function get_faults_average_by_course($user_id, $course_code, $session_id = null) {
- // Database tables and variables
- $course_info = api_get_course_info($course_code);
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $user_id = intval($user_id);
- $results = array();
- $total_faults = $total_weight = $porcent = 0;
- $attendances_by_course = $this->get_attendances_list($course_info['real_id'], $session_id);
- foreach ($attendances_by_course as $attendance) {
- // Get total faults and total weight
- $total_done_attendance = $attendance['attendance_qualify_max'];
- $sql = "SELECT score FROM $tbl_attendance_result WHERE c_id = {$course_info['real_id']} AND user_id=$user_id AND attendance_id=".$attendance['id'];
- $rs = Database::query($sql);
- $score = 0;
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_array($rs);
- $score = $row['score'];
- }
- $faults = $total_done_attendance-$score;
- $faults = $faults > 0 ? $faults:0;
- $total_faults += $faults;
- $total_weight += $total_done_attendance;
- }
- $porcent = $total_weight > 0 ?round(($total_faults*100)/$total_weight,0):0;
- $results['faults'] = $total_faults;
- $results['total'] = $total_weight;
- $results['porcent'] = $porcent;
- return $results;
- }
- /**
- * Get registered users' attendance sheet inside current course
- * @param int attendance id
- * @param int user id for showing data for only one user (optional)
- * @return array users attendance sheet data
- */
- public function get_users_attendance_sheet($attendance_id, $user_id = 0) {
- global $dateTimeFormatLong;
- $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
- $tbl_attendance_calendar= Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_calendar = $this->get_attendance_calendar($attendance_id);
- $calendar_ids = array();
- // get all dates from calendar by current attendance
- foreach ($attendance_calendar as $cal) {
- $calendar_ids[] = $cal['id'];
- }
-
- $course_id = api_get_course_int_id();
- $data = array();
- if (empty($user_id)) {
- // get all registered users inside current course
- $users = $this->get_users_rel_course();
- $user_ids = array_keys($users);
- if (count($calendar_ids) > 0 && count($user_ids) > 0) {
- foreach ($user_ids as $uid) {
- $sql = "SELECT * FROM $tbl_attendance_sheet
- WHERE c_id = $course_id AND user_id = '$uid' AND attendance_calendar_id IN(".implode(',',$calendar_ids).") ";
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- while ($row = Database::fetch_array($res)) {
- $data[$uid][$row['attendance_calendar_id']]['presence'] = $row['presence'];
- }
- }
- }
- }
- } else {
- // get attendance for current user
- $user_id = intval($user_id);
- if (count($calendar_ids) > 0) {
- $sql = "SELECT cal.date_time, att.presence FROM $tbl_attendance_sheet att INNER JOIN $tbl_attendance_calendar cal ON cal.id = att.attendance_calendar_id
- WHERE att.c_id = $course_id AND
- cal.c_id = $course_id AND
- att.user_id = '$user_id' AND
- att.attendance_calendar_id IN(".implode(',',$calendar_ids).") ";
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- while ($row = Database::fetch_array($res)) {
- $row['date_time'] = api_convert_and_format_date($row['date_time'], null, date_default_timezone_get());
- $data[$user_id][] = $row;
- }
- }
- }
- }
- return $data;
- }
- /**
- * Get next attendance calendar without presences (done attendances)
- * @param int attendance id
- * @return int attendance calendar id
- */
- public function get_next_attendance_calendar_id($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
-
- $sql = "SELECT id FROM $tbl_attendance_calendar
- WHERE c_id = $course_id AND attendance_id = '$attendance_id' AND done_attendance = 0 ORDER BY date_time limit 1";
- $rs = Database::query($sql);
- $next_calendar_id = 0;
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_array($rs);
- $next_calendar_id = $row['id'];
- }
- return $next_calendar_id;
- }
- /**
- * Get next attendance calendar datetime without presences (done attendances)
- * @param int attendance id
- * @return int UNIX time format datetime
- */
- public function get_next_attendance_calendar_datetime($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $course_id = api_get_course_int_id();
- $attendance_id = intval($attendance_id);
- $sql = "SELECT id, date_time FROM $tbl_attendance_calendar WHERE c_id = $course_id AND attendance_id = '$attendance_id' AND done_attendance = 0 ORDER BY date_time limit 1";
- $rs = Database::query($sql);
- $next_calendar_datetime = 0;
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_array($rs);
- $next_calendar_datetime = api_get_local_time($row['date_time']);
- }
- return $next_calendar_datetime;
- }
- /**
- * Get user' score from current attendance
- * @param int user id
- * @param int attendance id
- * @return int score
- */
- public function get_user_score($user_id, $attendance_id) {
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $user_id = intval($user_id);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT score FROM $tbl_attendance_result WHERE c_id = $course_id AND user_id='$user_id' AND attendance_id='$attendance_id'";
- $rs = Database::query($sql);
- $score = 0;
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_array($rs);
- $score = $row['score'];
- }
- return $score;
- }
- /**
- * Get attendance calendar data by id
- * @param int attendance calendar id
- * @return array attendance calendar data
- */
- public function get_attendance_calendar_by_id($calendar_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $calendar_id = intval($calendar_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT * FROM $tbl_attendance_calendar WHERE c_id = $course_id AND id = '$calendar_id' ";
- $rs = Database::query($sql);
- $data = array();
- if (Database::num_rows($rs) > 0) {
- while ($row = Database::fetch_array($rs)) {
- $row['date_time'] = api_get_local_time($row['date_time']);
- $data = $row;
- }
- }
- return $data;
- }
-
- /**
- * Get all attendance calendar data inside current attendance
- * @param int attendance id
- * @return array attendance calendar data
- */
- public function get_attendance_calendar($attendance_id, $type = 'all', $calendar_id = null) {
- global $dateFormatShort, $timeNoSecFormat;
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT * FROM $tbl_attendance_calendar WHERE c_id = $course_id AND attendance_id = '$attendance_id' ";
- $filter_where = '';
- if (!in_array($type, array('today', 'all', 'all_done', 'all_not_done','calendar_id'))) {
- $type = 'all';
- }
- switch ($type) {
- case 'calendar_id':
- $calendar_id = intval($calendar_id);
- if (!empty($calendar_id)) {
- $sql.= " AND id = $calendar_id";
- }
- break;
- case 'today':
- //$sql .= ' AND DATE_FORMAT(date_time,"%d-%m-%Y") = DATE_FORMAT("'.api_get_utc_datetime().'", "%d-%m-%Y" )';
- break;
- case 'all_done':
- $sql .= " AND done_attendance = 1 ";
- break;
- case 'all_not_done':
- $sql .= " AND done_attendance = 0 ";
- break;
- case 'all':
- default:
- break;
- }
- $sql .= " ORDER BY date_time ";
-
- $rs = Database::query($sql);
- $data = array();
- if (Database::num_rows($rs) > 0) {
- while ($row = Database::fetch_array($rs,'ASSOC')) {
- $row['db_date_time'] = $row['date_time'];
- $row['date_time'] = api_get_local_time($row['date_time']);
- $row['date'] = api_format_date($row['date_time'], DATE_FORMAT_SHORT);
- $row['time'] = api_format_date($row['date_time'], TIME_NO_SEC_FORMAT);
- if ($type == 'today') {
- if (date('d-m-Y', api_strtotime($row['date_time'])) == date('d-m-Y', api_strtotime(api_get_local_time()))) {
- $data[] = $row;
- }
- } else {
- $data[] = $row;
- }
- }
- }
- return $data;
- }
-
- /**
- * Get number of attendance calendar inside current attendance
- * @param int attendance id
- * @return int number of dates in attendance calendar
- */
- public function get_number_of_attendance_calendar($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT count(id) FROM $tbl_attendance_calendar WHERE c_id = $course_id AND attendance_id = '$attendance_id'";
- $rs = Database::query($sql);
- $row = Database::fetch_row($rs);
- $count = $row[0];
- return $count;
- }
- /**
- * Get count dates inside attendance calendar by attendance id
- * @param int attendance id
- * @return int count of dates
- */
- public function get_count_dates_inside_attendance_calendar($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT count(id) FROM $tbl_attendance_calendar WHERE c_id = $course_id AND attendance_id = '$attendance_id'";
- $rs = Database::query($sql);
- $count = 0;
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_row($rs);
- $count = $row[0];
- }
- return $count;
- }
- /**
- * check if all calendar of an attendance is done
- * @param int attendance id
- * @return bool True if all calendar is done, otherwise false
- */
- public function is_all_attendance_calendar_done($attendance_id) {
- $attendance_id = intval($attendance_id);
- $done_calendar = self::get_done_attendance_calendar($attendance_id);
- $count_dates_in_calendar = self::get_count_dates_inside_attendance_calendar($attendance_id);
- $number_of_dates = self::get_number_of_attendance_calendar($attendance_id);
- $result = false;
- if ($number_of_dates && (intval($count_dates_in_calendar) == intval($done_calendar))) {
- $result = true;
- }
- return $result;
- }
- /**
- * check if an attendance is locked
- * @param int attendance id
- * @param bool
- */
- public function is_locked_attendance($attendance_id) {
- $attendance_id = intval($attendance_id);
- $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
- $course_id = api_get_course_int_id();
- $sql = "SELECT id FROM $tbl_attendance WHERE c_id = $course_id AND id = $attendance_id AND locked = 1";
- $rs = Database::query($sql);
- $result = false;
- if (Database::num_rows($rs) > 0) {
- $result = true;
- }
- return $result;
- }
- /**
- * Add new datetime inside attendance calendar table
- * @param int attendance id
- * @return int affected rows
- */
- public function attendance_calendar_add($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $affected_rows = 0;
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- // check if datetime already exists inside the table
- $sql = "SELECT id FROM $tbl_attendance_calendar
- WHERE c_id = $course_id AND date_time='".Database::escape_string($this->date_time)."' AND attendance_id = '$attendance_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "INSERT INTO $tbl_attendance_calendar SET
- c_id = $course_id,
- date_time = '".Database::escape_string($this->date_time)."',
- attendance_id = '$attendance_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- }
- // update locked attendance
- $is_all_calendar_done = self::is_all_attendance_calendar_done($attendance_id);
- if (!$is_all_calendar_done) {
- $unlock = self::lock_attendance($attendance_id, false);
- } else {
- $unlock = self::lock_attendance($attendance_id);
- }
- return $affected_rows;
- }
- /**
- * save repeated date inside attendance calendar table
- * @param int attendance id
- * @param int start date in tms
- * @param int end date in tms
- * @param string repeat type daily, weekly, monthlyByDate
-
- */
- public function attendance_repeat_calendar_add($attendance_id, $start_date, $end_date, $repeat_type) {
- $attendance_id = intval($attendance_id);
- // save start date
- $datetimezone = api_get_utc_datetime($start_date);
- $this->set_date_time($datetimezone);
- $res = $this->attendance_calendar_add($attendance_id);
-
- //86400 = 24 hours in seconds
- //604800 = 1 week in seconds
- // Saves repeated dates
- switch($repeat_type) {
- case 'daily':
- $j = 1;
- for ($i = $start_date + 86400; ($i <= $end_date); $i += 86400) {
- //$datetimezone = api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , 0, $j); //to support europe timezones
- $datetimezone = api_get_utc_datetime($i);
- $this->set_date_time($datetimezone);
- $res = $this->attendance_calendar_add($attendance_id);
- $j++;
- }
- break;
- exit;
- case 'weekly':
- $j = 1;
- for ($i = $start_date + 604800; ($i <= $end_date); $i += 604800) {
- $datetimezone = api_get_utc_datetime($i);
- //$datetimezone = api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , 0, $j*7); //to support europe timezones
- $this->set_date_time($datetimezone);
- $res = $this->attendance_calendar_add($attendance_id);
- $j++;
- }
- break;
- case 'monthlyByDate':
- $j = 1;
- //@todo fix bug with february
- for ($i = $start_date + 2419200; ($i <= $end_date); $i += 2419200) {
- $datetimezone = api_get_utc_datetime($i);
- //$datetimezone = api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , $j); //to support europe timezones
- $this->set_date_time($datetimezone);
- $res = $this->attendance_calendar_add($attendance_id);
- $j++;
- }
-
- //$next_start = $this->add_month($start_date);
- /*
- $next_start = api_strtotime(api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , 1),'UTC');
- error_log('22-->$start_date '.$start_date);
- error_log('$next_start '.$next_start);
- error_log('$end_date '.$end_date);
- while($next_start <= $end_date) {
- //$datetime = date('Y-m-d H:i:s', $next_start);
- $datetimezone = api_get_utc_datetime($next_start);
- error_log('$datetimezone n loop '.$datetimezone);
- $this->set_date_time($datetimezone);
- $res = $this->attendance_calendar_add($attendance_id);
- //$next_start = $this->add_month($next_start);
- $next_start = api_strtotime(api_get_utc_date_add(api_get_utc_datetime($next_start), 0 , 1),'UTC');
- error_log('$next_start in loop '.$next_start);
- }*/
- break;
- }
- }
- /**
- * Adds x months to a UNIX timestamp
- * @param int The timestamp
- * @param int The number of years to add
- * @return int The new timestamp
- */
- private function add_month($timestamp, $num=1) {
- $values = api_get_utc_datetime($timestamp);
- $values = str_replace(array(':','-',' '), '/', $values);
- list($y, $m, $d, $h, $n, $s) = split('/',$values);
- if($m+$num>12) {
- $y += floor($num/12);
- $m += $num%12;
- } else {
- $m += $num;
- }
- //date_default_timezone_set('UTC');
- // return mktime($h, $n, $s, $m, $d, $y);
- $result = api_strtotime($y.'-'.$m.'-'.$d.' '.$h.':'.$n.':'.$s, 'UTC');
- if (!empty($result)) {
- return $result;
- }
- return false;
- }
- /**
- * edit a datetime inside attendance calendar table
- * @param int attendance calendar id
- * @param int attendance id
- * @return int affected rows
- */
- public function attendance_calendar_edit($calendar_id, $attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $affected_rows = 0;
- $attendance_id = intval($attendance_id);
- $course_id = api_get_course_int_id();
- // check if datetime already exists inside the table
- $sql = "SELECT id FROM $tbl_attendance_calendar
- WHERE c_id = $course_id AND date_time = '".Database::escape_string($this->date_time)."' AND attendance_id = '$attendance_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "UPDATE $tbl_attendance_calendar SET date_time='".Database::escape_string($this->date_time)."' WHERE c_id = $course_id AND id = '".intval($calendar_id)."'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- }
- // update locked attendance
- $is_all_calendar_done = self::is_all_attendance_calendar_done($attendance_id);
- if (!$is_all_calendar_done) {
- $unlock = self::lock_attendance($attendance_id, false);
- } else {
- $unlock = self::lock_attendance($attendance_id);
- }
-
- return $affected_rows;
- }
- /**
- * delete a datetime from attendance calendar table
- * @param int attendance calendar id
- * @param int attendance id
- * @param bool true for removing all calendar inside current attendance, false for removing by calendar id
- * @return int affected rows
- */
- public function attendance_calendar_delete($calendar_id, $attendance_id , $all_delete = false) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
- $session_id = api_get_session_id();
- $attendance_id = intval($attendance_id);
- // get all registered users inside current course
- $users = $this->get_users_rel_course();
- $user_ids = array_keys($users);
- $course_id = api_get_course_int_id();
- if ($all_delete) {
- $attendance_calendar = $this->get_attendance_calendar($attendance_id);
- $calendar_ids = array();
- // get all dates from calendar by current attendance
- if (!empty($attendance_calendar)) {
- foreach ($attendance_calendar as $cal) {
- // delete all data from attendance sheet
- $sql = "DELETE FROM $tbl_attendance_sheet WHERE c_id = $course_id AND attendance_calendar_id = '".intval($cal['id'])."'";
- Database::query($sql);
- // delete data from attendance calendar
- $sql = "DELETE FROM $tbl_attendance_calendar WHERE c_id = $course_id AND id = '".intval($cal['id'])."'";
- Database::query($sql);
- }
- }
- } else {
- // delete just one row from attendance sheet by the calendar id
- $sql = "DELETE FROM $tbl_attendance_sheet WHERE c_id = $course_id AND attendance_calendar_id = '".intval($calendar_id)."'";
- Database::query($sql);
- // delete data from attendance calendar
- $sql = "DELETE FROM $tbl_attendance_calendar WHERE c_id = $course_id AND id = '".intval($calendar_id)."'";
- Database::query($sql);
- }
- $affected_rows = Database::affected_rows();
- // update users' results
- $this->update_users_results($user_ids, $attendance_id);
- return $affected_rows;
- }
- /**
- * buid a string datetime from array
- * @param array array containing data e.g: $array('Y'=>'2010', 'F' => '02', 'd' => '10', 'H' => '12', 'i' => '30')
- * @return string date and time e.g: '2010-02-10 12:30:00'
- */
- public function build_datetime_from_array($array) {
- $year = '0000';
- $month = $day = $hours = $minutes = $seconds = '00';
- if (isset($array['Y']) && (isset($array['F']) || isset($array['M'])) && isset($array['d']) && isset($array['H']) && isset($array['i'])) {
- $year = $array['Y'];
- $month = isset($array['F'])?$array['F']:$array['M'];
- if (intval($month) < 10 ) $month = '0'.$month;
- $day = $array['d'];
- if (intval($day) < 10 ) $day = '0'.$day;
- $hours = $array['H'];
- if (intval($hours) < 10 ) $hours = '0'.$hours;
- $minutes = $array['i'];
- if (intval($minutes) < 10 ) $minutes = '0'.$minutes;
- }
- if (checkdate($month,$day,$year)) {
- $datetime = $year.'-'.$month.'-'.$day.' '.$hours.':'.$minutes.':'.$seconds;
- }
- return $datetime;
- }
- /** Setters for fields of attendances tables **/
- public function set_session_id($session_id) {
- $this->session_id = $session_id;
- }
- public function set_course_id($course_id) {
- $this->course_id = $course_id;
- }
- public function set_date_time($datetime) {
- $this->date_time = $datetime;
- }
- public function set_name($name) {
- $this->name = $name;
- }
- public function set_description($description) {
- $this->description = $description;
- }
- public function set_attendance_qualify_title($attendance_qualify_title) {
- $this->attendance_qualify_title = $attendance_qualify_title;
- }
- public function set_attendance_weight($attendance_weight) {
- $this->attendance_weight = $attendance_weight;
- }
- /** Getters for fields of attendances tables **/
- public function get_session_id() {
- return $this->session_id;
- }
- public function get_course_id() {
- return $this->course_id;
- }
- public function get_date_time() {
- return $this->date_time;
- }
- public function get_name($name) {
- return $this->name;
- }
- public function get_description($description) {
- return $this->description;
- }
- public function get_attendance_qualify_title($attendance_qualify_title) {
- return $this->attendance_qualify_title;
- }
- public function get_attendance_weight($attendance_weight) {
- return $this->attendance_weight;
- }
- }
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