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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>
- * @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;
- public function __construct() {}
- /**
- * 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();
- $sql = "SELECT COUNT(att.id) AS total_number_of_items FROM $tbl_attendance att WHERE att.active = 1 = att.session_id = '$session_id' ";
- $res = Database::query($sql);
- $res = Database::query($sql);
- $obj = Database::fetch_object($res);
- return $obj->total_number_of_items;
- }
-
- /**
- * Get attendance list
- * @param string course code (optional)
- * @param int session id (optional)
- * @return array attendances list
- */
- function get_attendances_list($course_code = '', $session_id = null) {
- // initializing database table and variables
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $data = array();
-
- if (!empty($course_code)) {
- $course_info = api_get_course_info($course_code);
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE, $course_info['dbName']);
- }
-
- $condition_session = '';
- if (isset($session_id)) {
- $session_id = intval($session_id);
- $condition_session = ' WHERE session_id = '.$session_id;
- }
-
- // get attendance data
- $sql = "SELECT * FROM $tbl_attendance $condition_session ";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) > 0){
- while ($row = Database::fetch_array($rs)) {
- $data[$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);
- $session_id = api_get_session_id();
- $column = intval($column);
- $from = intval($from);
- $number_of_items = intval($number_of_items);
- if (!in_array($direction, array('ASC','DESC'))) {
- $direction = 'ASC';
- }
- $sql = "SELECT
- att.id AS col0,
- att.name AS col1,
- att.description AS col2,
- att.attendance_qualify_max AS col3
- FROM $tbl_attendance att
- WHERE att.session_id = '$session_id' AND att.active = 1
- 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'];
- }
- 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']);
- }
-
- $attendance[1] = '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list&attendance_id='.$attendance[0].$param_gradebook.$student_param.'">'.$attendance[1].'</a>';
- $attendance[3] = '<center>'.$attendance[3].'</center>';
- if (api_is_allowed_to_edit(null, true)) {
- $actions = '';
- $actions .= '<center><a href="index.php?'.api_get_cidreq().'&action=attendance_edit&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('edit.gif',get_lang('Edit')).'</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.gif',get_lang('Delete')).'</a></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);
- $sesion_id = api_get_session_id();
- $attendance_id = intval($attendance_id);
- $attendance_data = array();
- $sql = "SELECT * FROM $tbl_attendance WHERE id = '$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();
- $title_gradebook= Database::escape_string($this->attendance_qualify_title);
- $value_calification = 0;
- $weight_calification = floatval($this->attendance_weight);
- $sql = "INSERT INTO $tbl_attendance
- SET name ='".Database::escape_string($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 ($link_id==false) {
- add_resource_to_course_gradebook($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 $last_id;
- }
- /**
- * edit attendaces inside table
- * @param int attendance id
- * @param bool true for adding link in gradebook or false otherwise (optional)
- * @return int affected rows
- */
- public function attendance_edit($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();
- $title_gradebook = Database::escape_string($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 = '".$weight_calification."'
- WHERE id = '$attendance_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- if (!empty($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 ($link_id==false) {
- add_resource_to_course_gradebook($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.'');
- }
- }
- return $affected_rows;
- }
- /**
- * delete attendaces
- * @param int attendance id
- * @return int affected rows
- */
- public function attendance_delete($attendance_id) {
- global $_course;
- $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
- $user_id = api_get_user_id();
- if (is_array($attendance_id)) {
- foreach ($attendance_id as $id) {
- $id = intval($id);
- $sql = "UPDATE $tbl_attendance SET active = 0 WHERE id = '$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 $tbl_attendance SET active = 0 WHERE id = '$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 $affected_rows;
- }
- /**
- * get registered users inside current course
- * @param int attendance id for showing attendance result field (optional)
- * @return array users data
- */
- public function get_users_rel_course($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 => $value) {
- $uid = intval($value['user_id']);
- $status = $value['status'];
- $user_status_in_course = CourseManager::get_user_in_course_status($uid, $current_course_id);
- if ($uid <= 1 || $status == DRH || $user_status_in_course == COURSEMANAGER) continue;
- if (!empty($attendance_id)) {
- $attendance_id = intval($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, $image_path['file'], 22, USER_IMAGE_SIZE_SMALL, ' width="22" height="22" ');
- if (!api_is_anonymous()) {
- if (!empty($image_path['file'])) {
- $photo = '<center><a class="thickbox" href="'.$image_path['dir'].$image_path['file'].'" ><img src="'.$user_profile['file'].'" '.$user_profile['style'].' alt="'.api_get_person_name($value['firstname'], $value['lastname']).'" title="'.api_get_person_name($value['firstname'], $value['lastname']).'" /></a></center>';
- } else {
- $photo = '<center><img src="'.$user_profile['file'].'" '.$user_profile['style'].' alt="'.api_get_person_name($value['firstname'], $value['lastname']).'" title="'.api_get_person_name($value['firstname'], $value['lastname']).'" /></center>';
- }
- } else {
- $photo = '<center><img src="'.$user_profile['file'].'" '.$user_profile['style'].' alt="'.api_get_person_name($value['firstname'], $value['lastname']).'" title="'.api_get_person_name($value['firstname'], $value['lastname']).'" /></center>';
- }
- $value['photo'] = $photo;
- $a_users[$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();
- $user_ids = array_keys($users);
- $users_absent = array_diff($user_ids,$users_present);
- $affected_rows = 0;
- // save users present in class
- foreach ($users_present as $user_present) {
- $uid = intval($user_present);
- // check if user already was registered with the $calendar_id
- $sql = "SELECT user_id FROM $tbl_attendance_sheet WHERE user_id='$uid' AND attendance_calendar_id = '$calendar_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "INSERT INTO $tbl_attendance_sheet SET user_id ='$uid', attendance_calendar_id = '$calendar_id', presence = 1";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- } else {
- $sql = "UPDATE $tbl_attendance_sheet SET presence = 1 WHERE user_id ='$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 $tbl_attendance_sheet WHERE user_id='$uid' AND attendance_calendar_id = '$calendar_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "INSERT INTO $tbl_attendance_sheet SET user_id ='$uid', attendance_calendar_id = '$calendar_id', presence = 0";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- } else {
- $sql = "UPDATE $tbl_attendance_sheet SET presence = 0 WHERE user_id ='$uid' AND attendance_calendar_id = '$calendar_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- }
- }
- // update done_attendance inside attendance calendar table
- $sql = "UPDATE $tbl_attendance_calendar SET done_attendance = 1 WHERE id = '$calendar_id'";
- Database::query($sql);
- // save users' results
- $this->update_users_results($user_ids, $attendance_id);
- 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);
- $attendance_id = intval($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 $tbl_attendance_sheet WHERE user_id = '$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 $tbl_attendance_result WHERE user_id='$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 user_id='$uid' AND attendance_id='$attendance_id'";
- Database::query($sql);
- } else {
- // insert new result
- $sql = "INSERT INTO $tbl_attendance_result SET user_id='$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 id = '$attendance_id'";
- Database::query($sql);
- }
- /**
- * 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);
- $sql = "SELECT count(done_attendance) as count FROM $tbl_attendance_calendar WHERE attendance_id = '$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);
- $total_done_attendance = $attendance_data['attendance_qualify_max'];
- $attendance_user_score = $this->get_user_score($user_id, $attendance_id);
-
- // calculate results
- $faults = $total_done_attendance-$attendance_user_score;
- $faults = $faults > 0 ? $faults:0;
- $faults_porcent = $total_done_attendance > 0 ?round(($faults*100)/$total_done_attendance,0):0;
- $results['faults'] = $faults;
- $results['total'] = $total_done_attendance;
- $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, $course_info['dbName']);
- $attendances_by_course = $this->get_attendances_list($course_code);
- foreach ($attendances_by_course as $attendance) {
- // get total faults and total weight
- $attendance_id = $attendance['id'];
- $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, $course_info['dbName']);
- $user_id = intval($user_id);
- $results = array();
- $total_faults = $total_weight = $porcent = 0;
- $attendances_by_course = $this->get_attendances_list($course_code, $session_id);
-
- foreach ($attendances_by_course as $attendance) {
- // get total faults and total weight
- $attendance_id = $attendance['id'];
- $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 $results;
- }
- /**
- * Get registered users' attendance sheet inside current course
- * @param int attendance id
- * @param int user id for showing data for only one user (optional)
- * @return array users attendance sheet data
- */
- public function get_users_attendance_sheet($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);
- $attendance_id = intval($attendance_id);
- $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'];
- }
- $data = array();
- if (empty($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 $tbl_attendance_sheet WHERE user_id = '$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 $tbl_attendance_calendar cal ON cal.id = att.attendance_calendar_id WHERE att.user_id = '$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);
- $sql = "SELECT id FROM $tbl_attendance_calendar WHERE attendance_id = '$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 $next_calendar_id;
- }
- /**
- * Get user' score from current attendance
- * @param int user id
- * @param int attendance id
- * @return int score
- */
- public function get_user_score($user_id, $attendance_id) {
- $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
- $user_id = intval($user_id);
- $attendance_id = intval($attendance_id);
- $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'];
- }
- 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);
- $sql = "SELECT * FROM $tbl_attendance_calendar WHERE id = '$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) {
- global $dateFormatShort, $timeNoSecFormat;
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $attendance_id = intval($attendance_id);
- $sql = "SELECT * FROM $tbl_attendance_calendar WHERE attendance_id = '$attendance_id' ORDER BY date_time ";
- $rs = Database::query($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']);
- $row['date'] = api_format_date($row['date_time'], DATE_FORMAT_SHORT);
- $row['time'] = api_format_date($row['date_time'], TIME_NO_SEC_FORMAT);
- $data[] = $row;
- }
- }
- return $data;
- }
- /**
- * Add new datetime inside attendance calendar table
- * @param int attendance id
- * @return int affected rows
- */
- public function attendant_calendar_add($attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $affected_rows = 0;
- $attendance_id = intval($attendance_id);
- // check if datetime already exists inside the table
- $sql = "SELECT id FROM $tbl_attendance_calendar WHERE date_time='".Database::escape_string($this->date_time)."' AND attendance_id = '$attendance_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql = "INSERT INTO $tbl_attendance_calendar SET date_time='".Database::escape_string($this->date_time)."', attendance_id = '$attendance_id'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- }
- return $affected_rows;
- }
- /**
- * edit a datetime inside attendance calendar table
- * @param int attendance calendar id
- * @param int attendance id
- * @return int affected rows
- */
- public function attendant_calendar_edit($calendar_id, $attendance_id) {
- $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
- $affected_rows = 0;
- $attendance_id = intval($attendance_id);
- // check if datetime already exists inside the table
- $sql = "SELECT id FROM $tbl_attendance_calendar WHERE date_time = '".Database::escape_string($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 id = '".intval($calendar_id)."'";
- Database::query($sql);
- $affected_rows = Database::affected_rows();
- }
- 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);
- 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 $tbl_attendance_sheet WHERE attendance_calendar_id = '".intval($cal['id'])."'";
- Database::query($sql);
- // delete data from attendance calendar
- $sql = "DELETE FROM $tbl_attendance_calendar WHERE id = '".intval($cal['id'])."'";
- Database::query($sql);
- }
- }
- } else {
- // delete just one row from attendance sheet by the calendar id
- $sql = "DELETE FROM $tbl_attendance_sheet WHERE attendance_calendar_id = '".intval($calendar_id)."'";
- Database::query($sql);
- // delete data from attendance calendar
- $sql = "DELETE FROM $tbl_attendance_calendar WHERE id = '".intval($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['d']) && isset($array['H']) && isset($array['i'])) {
- $year = $array['Y'];
- $month = $array['F'];
- if (intval($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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