attendance.lib.php 54 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This file contains class used like library, provides functions for attendance tool. It's also used like model to attendance_controller (MVC pattern)
  5. * @author Christian Fasanando <christian1827@gmail.com>
  6. * @author Julio Montoya <gugli100@gmail.com> improvements
  7. * @package chamilo.attendance
  8. */
  9. /**
  10. * Attendance can be used to instanciate objects or as a library to manage attendances
  11. * @package chamilo.attendance
  12. */
  13. class Attendance
  14. {
  15. private $session_id;
  16. private $course_id;
  17. private $date_time;
  18. private $name;
  19. private $description;
  20. private $attendance_qualify_title;
  21. private $attendance_weight;
  22. private $course_int_id;
  23. public $category_id;
  24. // constants
  25. const DONE_ATTENDANCE_LOG_TYPE = 'done_attendance_sheet';
  26. const UPDATED_ATTENDANCE_LOG_TYPE = 'updated_attendance_sheet';
  27. const LOCKED_ATTENDANCE_LOG_TYPE = 'locked_attendance_sheet';
  28. public function __construct() {
  29. //$this->course_int_id = api_get_course_int_id();
  30. }
  31. /**
  32. * Get the total number of attendance inside current course and current session
  33. * @see SortableTable#get_total_number_of_items()
  34. */
  35. static function get_number_of_attendances() {
  36. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  37. $session_id = api_get_session_id();
  38. $condition_session = api_get_session_condition($session_id);
  39. $course_id = api_get_course_int_id();
  40. $sql = "SELECT COUNT(att.id) AS total_number_of_items FROM $tbl_attendance att
  41. WHERE c_id = $course_id AND att.active = 1 $condition_session ";
  42. $res = Database::query($sql);
  43. $res = Database::query($sql);
  44. $obj = Database::fetch_object($res);
  45. return $obj->total_number_of_items;
  46. }
  47. /**
  48. * Get attendance list only the id, name and attendance_qualify_max fields
  49. * @param string course db name (optional)
  50. * @param int session id (optional)
  51. * @return array attendances list
  52. */
  53. function get_attendances_list($course_id = '', $session_id = null) {
  54. // Initializing database table and variables
  55. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  56. $data = array();
  57. if (empty($course_id)) {
  58. $course_id = api_get_course_int_id();
  59. } else {
  60. $course_id = intval($course_id);
  61. }
  62. $session_id = isset($session_id)?intval($session_id):api_get_session_id();
  63. $condition_session = api_get_session_condition($session_id);
  64. // Get attendance data
  65. $sql = "SELECT id, name, attendance_qualify_max FROM $tbl_attendance
  66. WHERE c_id = $course_id AND active = 1 $condition_session ";
  67. $rs = Database::query($sql);
  68. if (Database::num_rows($rs) > 0) {
  69. while ($row = Database::fetch_array($rs,'ASSOC')) {
  70. $data[$row['id']] = $row;
  71. }
  72. }
  73. return $data;
  74. }
  75. /**
  76. * Get the attendaces to display on the current page (fill the sortable-table)
  77. * @param int offset of first user to recover
  78. * @param int Number of users to get
  79. * @param int Column to sort on
  80. * @param string Order (ASC,DESC)
  81. * @see SortableTable#get_table_data($from)
  82. */
  83. static function get_attendance_data($from, $number_of_items, $column, $direction) {
  84. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  85. $course_id = api_get_course_int_id();
  86. $session_id = api_get_session_id();
  87. $condition_session = api_get_session_condition($session_id);
  88. $column = intval($column);
  89. $from = intval($from);
  90. $number_of_items = intval($number_of_items);
  91. if (!in_array($direction, array('ASC','DESC'))) {
  92. $direction = 'ASC';
  93. }
  94. $active_plus = 'att.active = 1';
  95. if (api_is_platform_admin()) {
  96. $active_plus = ' 1 = 1 ';
  97. }
  98. $sql = "SELECT
  99. att.id AS col0,
  100. att.name AS col1,
  101. att.description AS col2,
  102. att.attendance_qualify_max AS col3,
  103. att.locked AS col4,
  104. att.active AS col5,
  105. att.session_id
  106. FROM $tbl_attendance att
  107. WHERE c_id = $course_id AND $active_plus $condition_session
  108. ORDER BY col$column $direction LIMIT $from,$number_of_items ";
  109. $res = Database::query($sql);
  110. $attendances = array ();
  111. $param_gradebook = '';
  112. if (isset($_SESSION['gradebook'])) {
  113. $param_gradebook = '&gradebook='.$_SESSION['gradebook'];
  114. }
  115. $user_info = api_get_user_info();
  116. while ($attendance = Database::fetch_row($res)) {
  117. $student_param = '';
  118. if (api_is_drh() && ($_GET['student_id'])) {
  119. $student_param = '&student_id='.Security::remove_XSS($_GET['student_id']);
  120. }
  121. $session_star = '';
  122. if (api_get_session_id() == $attendance[6]) {
  123. $session_star = api_get_session_image(api_get_session_id(), $user_info['status']);
  124. }
  125. if ($attendance[5] == 1) {
  126. if (api_is_allowed_to_edit(null, true)) {
  127. //Link to edit
  128. $attendance[1] = '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list&attendance_id='.$attendance[0].$param_gradebook.$student_param.'">'.$attendance[1].'</a>'.$session_star;
  129. } else {
  130. //Link to view
  131. $attendance[1] = '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list_no_edit&attendance_id='.$attendance[0].$param_gradebook.$student_param.'">'.$attendance[1].'</a>'.$session_star;
  132. }
  133. } else {
  134. $attendance[1] = '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list&attendance_id='.$attendance[0].$param_gradebook.$student_param.'"><del>'.$attendance[1].'</del></a>'.$session_star;
  135. }
  136. $attendance[3] = '<center>'.$attendance[3].'</center>';
  137. if (api_is_allowed_to_edit(null, true)) {
  138. $actions = '';
  139. $actions .= '<center>';
  140. if (api_is_platform_admin()) {
  141. $actions .= '<a href="index.php?'.api_get_cidreq().'&action=attendance_edit&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('edit.png',get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>&nbsp;';
  142. if ($attendance[5] == 1) {
  143. $actions .= '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToDelete').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=attendance_delete&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('delete.png',get_lang('Delete'), array(), ICON_SIZE_SMALL).'</a>';
  144. } else {
  145. $actions .= '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToRestore').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=attendance_restore&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('invisible.png',get_lang('Restore'), array(), ICON_SIZE_SMALL).'</a>';
  146. $attendance[2] = '<del>'.$attendance[2].'</del>';
  147. }
  148. } else {
  149. $is_locked_attendance = self::is_locked_attendance($attendance[0]);
  150. if ($is_locked_attendance) {
  151. $actions .= Display::return_icon('edit_na.png',get_lang('Edit')).'&nbsp;';
  152. $actions .= Display::return_icon('delete_na.png',get_lang('Delete'));
  153. } else {
  154. $actions .= '<a href="index.php?'.api_get_cidreq().'&action=attendance_edit&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('edit.png',get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>&nbsp;';
  155. $actions .= '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToDelete').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=attendance_delete&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('delete.png',get_lang('Delete'), array(), ICON_SIZE_SMALL).'</a>';
  156. }
  157. }
  158. // display lock/unlock icon
  159. $is_done_all_calendar = self::is_all_attendance_calendar_done($attendance[0]);
  160. if ($is_done_all_calendar) {
  161. $locked = $attendance[4];
  162. if ($locked == 0) {
  163. if (api_is_platform_admin()) {
  164. $message_alert = get_lang('AreYouSureToLockTheAttendance');
  165. } else {
  166. $message_alert = get_lang('UnlockMessageInformation');
  167. }
  168. $actions .= '&nbsp;<a onclick="javascript:if(!confirm(\''.$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>';
  169. } else {
  170. if (api_is_platform_admin()) {
  171. $actions .= '&nbsp;<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToUnlockTheAttendance').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=unlock_attendance&attendance_id='.$attendance[0].$param_gradebook.'">'.Display::return_icon('locked.png',get_lang('UnlockAttendance')).'</a>';
  172. } else {
  173. $actions .= '&nbsp;'.Display::return_icon('locked_na.png',get_lang('LockedAttendance'));
  174. }
  175. }
  176. }
  177. $actions .= '</center>';
  178. $attendances[] = array($attendance[0], $attendance[1], $attendance[2], $attendance[3],$actions);
  179. } else {
  180. $attendance[0] = '&nbsp;';
  181. $attendances[] = array($attendance[0], $attendance[1], $attendance[2], $attendance[3]);
  182. }
  183. }
  184. return $attendances;
  185. }
  186. /**
  187. * Get the attendaces by id to display on the current page
  188. * @param int attendance id
  189. * @return array attendance data
  190. */
  191. public function get_attendance_by_id($attendance_id) {
  192. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  193. $attendance_id = intval($attendance_id);
  194. $course_id = api_get_course_int_id();
  195. $attendance_data = array();
  196. $sql = "SELECT * FROM $tbl_attendance WHERE c_id = $course_id AND id = '$attendance_id'";
  197. $res = Database::query($sql);
  198. if (Database::num_rows($res) > 0) {
  199. while ($row = Database::fetch_array($res)) {
  200. $attendance_data = $row;
  201. }
  202. }
  203. return $attendance_data;
  204. }
  205. /**
  206. * add attendaces inside table
  207. * @param bool true for adding link in gradebook or false otherwise (optional)
  208. * @return int last attendance id
  209. */
  210. public function attendance_add($link_to_gradebook = false) {
  211. global $_course;
  212. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  213. $table_link = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
  214. $session_id = api_get_session_id();
  215. $user_id = api_get_user_id();
  216. $course_code = api_get_course_id();
  217. $course_id = api_get_course_int_id();
  218. $title_gradebook= Database::escape_string($this->attendance_qualify_title);
  219. $value_calification = 0;
  220. $weight_calification = floatval($this->attendance_weight);
  221. $sql = "INSERT INTO $tbl_attendance SET
  222. c_id = $course_id,
  223. name ='".Database::escape_string($this->name)."',
  224. description = '".Database::escape_string($this->description)."',
  225. attendance_qualify_title = '$title_gradebook',
  226. attendance_weight = '$weight_calification',
  227. session_id = '$session_id'";
  228. Database::query($sql);
  229. $affected_rows = Database::affected_rows();
  230. $last_id = 0;
  231. if (!empty($affected_rows)) {
  232. // save inside item property table
  233. $last_id = Database::insert_id();
  234. api_item_property_update($_course, TOOL_ATTENDANCE, $last_id,"AttendanceAdded", $user_id);
  235. }
  236. // add link to gradebook
  237. if ($link_to_gradebook && !empty($this->category_id)) {
  238. $description = '';
  239. $link_info = is_resource_in_course_gradebook($course_code,7,$last_id,$session_id);
  240. $link_id = $link_info['id'];
  241. if (!$link_info) {
  242. add_resource_to_course_gradebook($this->category_id, $course_code, 7, $last_id, $title_gradebook,$weight_calification,$value_calification,$description,1,$session_id);
  243. } else {
  244. Database::query('UPDATE '.$table_link.' SET weight='.$weight_calification.' WHERE id='.$link_id.'');
  245. }
  246. }
  247. return $last_id;
  248. }
  249. /**
  250. * edit attendaces inside table
  251. * @param int attendance id
  252. * @param bool true for adding link in gradebook or false otherwise (optional)
  253. * @return int last id
  254. */
  255. public function attendance_edit($attendance_id, $link_to_gradebook = false) {
  256. global $_course;
  257. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  258. $table_link = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
  259. $session_id = api_get_session_id();
  260. $user_id = api_get_user_id();
  261. $attendance_id = intval($attendance_id);
  262. $course_code = api_get_course_id();
  263. $course_id = api_get_course_int_id();
  264. $title_gradebook = Database::escape_string($this->attendance_qualify_title);
  265. $value_calification = 0;
  266. $weight_calification= floatval($this->attendance_weight);
  267. if (!empty($attendance_id)) {
  268. $sql = "UPDATE $tbl_attendance
  269. SET name ='".Database::escape_string($this->name)."',
  270. description = '".Database::escape_string($this->description)."',
  271. attendance_qualify_title = '".$title_gradebook."',
  272. attendance_weight = '".$weight_calification."'
  273. WHERE c_id = $course_id AND id = '$attendance_id'";
  274. Database::query($sql);
  275. api_item_property_update($_course, TOOL_ATTENDANCE, $attendance_id,"AttendanceUpdated", $user_id);
  276. // add link to gradebook
  277. if ($link_to_gradebook && !empty($this->category_id)) {
  278. $description = '';
  279. $link_id=is_resource_in_course_gradebook($course_code,7,$attendance_id,$session_id);
  280. if (!$link_id) {
  281. add_resource_to_course_gradebook($this->category_id, $course_code, 7, $attendance_id, $title_gradebook,$weight_calification,$value_calification,$description,1,$session_id);
  282. } else {
  283. Database::query('UPDATE '.$table_link.' SET weight='.$weight_calification.' WHERE id='.$link_id.'');
  284. }
  285. }
  286. return $attendance_id;
  287. }
  288. return null;
  289. }
  290. /**
  291. * Restore attendance
  292. * @param int|array one or many attendances id
  293. * @return int affected rows
  294. */
  295. public function attendance_restore($attendance_id) {
  296. global $_course;
  297. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  298. $user_id = api_get_user_id();
  299. $course_id = api_get_course_int_id();
  300. if (is_array($attendance_id)) {
  301. foreach ($attendance_id as $id) {
  302. $id = intval($id);
  303. $sql = "UPDATE $tbl_attendance SET active = 1 WHERE c_id = $course_id AND id = '$id'";
  304. Database::query($sql);
  305. $affected_rows = Database::affected_rows();
  306. if (!empty($affected_rows)) {
  307. // update row item property table
  308. api_item_property_update($_course, TOOL_ATTENDANCE, $id,"restore", $user_id);
  309. }
  310. }
  311. } else {
  312. $attendance_id = intval($attendance_id);
  313. $sql = "UPDATE $tbl_attendance SET active = 1 WHERE c_id = $course_id AND id = '$attendance_id'";
  314. Database::query($sql);
  315. $affected_rows = Database::affected_rows();
  316. if (!empty($affected_rows)) {
  317. // update row item property table
  318. api_item_property_update($_course, TOOL_ATTENDANCE, $attendance_id,"restore", $user_id);
  319. }
  320. }
  321. return $affected_rows;
  322. }
  323. /**
  324. * delete attendaces
  325. * @param int|array one or many attendances id
  326. * @return int affected rows
  327. */
  328. public function attendance_delete($attendance_id) {
  329. global $_course;
  330. $tbl_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
  331. $user_id = api_get_user_id();
  332. $course_id = api_get_course_int_id();
  333. if (is_array($attendance_id)) {
  334. foreach ($attendance_id as $id) {
  335. $id = intval($id);
  336. $sql = "UPDATE $tbl_attendance SET active = 0 WHERE c_id = $course_id AND id = '$id'";
  337. Database::query($sql);
  338. $affected_rows = Database::affected_rows();
  339. if (!empty($affected_rows)) {
  340. // update row item property table
  341. api_item_property_update($_course, TOOL_ATTENDANCE, $id,"delete", $user_id);
  342. }
  343. }
  344. } else {
  345. $attendance_id = intval($attendance_id);
  346. $sql = "UPDATE $tbl_attendance SET active = 0 WHERE c_id = $course_id AND id = '$attendance_id'";
  347. Database::query($sql);
  348. $affected_rows = Database::affected_rows();
  349. if (!empty($affected_rows)) {
  350. // update row item property table
  351. api_item_property_update($_course, TOOL_ATTENDANCE, $attendance_id,"delete", $user_id);
  352. }
  353. }
  354. return $affected_rows;
  355. }
  356. /**
  357. * Lock or unlock an attendance
  358. * @param int attendance id
  359. * @param bool True to lock or false otherwise
  360. */
  361. public function lock_attendance($attendance_id, $lock = true) {
  362. $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
  363. $course_id = api_get_course_int_id();
  364. $attendance_id = intval($attendance_id);
  365. $locked = ($lock)?1:0;
  366. $upd = "UPDATE $tbl_attendance SET locked = $locked WHERE c_id = $course_id AND id = $attendance_id";
  367. Database::query($upd);
  368. $affected_rows = Database::affected_rows();
  369. if ($affected_rows && $lock) {
  370. //save attendance sheet log
  371. $lastedit_date = Date('Y-m-d H:i:s');
  372. $lastedit_type = self::LOCKED_ATTENDANCE_LOG_TYPE;
  373. $lastedit_user_id = api_get_user_id();
  374. $save_attendance_log = $this->save_attendance_sheet_log($attendance_id, $lastedit_date, $lastedit_type, $lastedit_user_id);
  375. }
  376. return $affected_rows;
  377. }
  378. /**
  379. * Get registered users inside current course
  380. * @param int attendance id for showing attendance result field (optional)
  381. * @return array users data
  382. */
  383. public function get_users_rel_course($attendance_id = 0) {
  384. $current_session_id = api_get_session_id();
  385. $current_course_id = api_get_course_id();
  386. if (!empty($current_session_id)) {
  387. $a_course_users = CourseManager :: get_user_list_from_course_code($current_course_id, $current_session_id,'','lastname');
  388. } else {
  389. $a_course_users = CourseManager :: get_user_list_from_course_code($current_course_id, 0, '','lastname');
  390. }
  391. // get registered users inside current course
  392. $a_users = array();
  393. foreach ($a_course_users as $key =>$user_data) {
  394. $value = array();
  395. $uid = $user_data['user_id'];
  396. $status = $user_data['status'];
  397. $user_status_in_session = null;
  398. $user_status_in_course = null;
  399. if (api_get_session_id()) {
  400. $user_status_in_session = SessionManager::get_user_status_in_course_session($uid, $current_course_id, $current_session_id);
  401. } else {
  402. $user_status_in_course = CourseManager::get_user_in_course_status($uid, $current_course_id);
  403. }
  404. //Not taking into account DRH or COURSEMANAGER
  405. if ($uid <= 1 || $status == DRH || $user_status_in_course == COURSEMANAGER || $user_status_in_session == 2) continue;
  406. if (!empty($attendance_id)) {
  407. $user_faults = $this->get_faults_of_user($uid, $attendance_id);
  408. $value['attendance_result'] = $user_faults['faults'].'/'.$user_faults['total'].' ('.$user_faults['faults_porcent'].'%)';
  409. $value['result_color_bar'] = $user_faults['color_bar'];
  410. }
  411. // user's picture
  412. $image_path = UserManager::get_user_picture_path_by_id($uid, 'web', false);
  413. $user_profile = UserManager::get_picture_user($uid, $image_path['file'], 22, USER_IMAGE_SIZE_SMALL, ' width="22" height="22" ');
  414. if (!empty($image_path['file'])) {
  415. $photo = '<center><a class="thickbox" href="'.$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>';
  416. } else {
  417. $photo = '<center><img src="'.$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>';
  418. }
  419. $value['photo'] = $photo;
  420. $value['firstname'] = $user_data['firstname'];
  421. $value['lastname'] = $user_data['lastname'];
  422. $value['username'] = $user_data['username'];
  423. $value['user_id'] = $uid;
  424. //Sending only 5 items in the array instead of 60
  425. $a_users[$key] = $value;
  426. }
  427. return $a_users;
  428. }
  429. /**
  430. * add attendaces sheet inside table
  431. * @param int attendance calendar id
  432. * @param array present users during current class
  433. * @param int attendance id
  434. * @return int affected rows
  435. */
  436. public function attendance_sheet_add($calendar_id,$users_present,$attendance_id) {
  437. $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
  438. $tbl_attendance_calendar= Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  439. $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
  440. $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
  441. $calendar_id = intval($calendar_id);
  442. $attendance_id = intval($attendance_id);
  443. $users = $this->get_users_rel_course();
  444. $course_id = api_get_course_int_id();
  445. $user_ids = array_keys($users);
  446. $users_absent = array_diff($user_ids,$users_present);
  447. $affected_rows = 0;
  448. // get last edit type
  449. $calendar_data = $this->get_attendance_calendar_by_id($calendar_id);
  450. $lastedit_type = self::DONE_ATTENDANCE_LOG_TYPE;
  451. if ($calendar_data['done_attendance']) {
  452. $lastedit_type = self::UPDATED_ATTENDANCE_LOG_TYPE;
  453. }
  454. // save users present in class
  455. foreach ($users_present as $user_present) {
  456. $uid = intval($user_present);
  457. // check if user already was registered with the $calendar_id
  458. $sql = "SELECT user_id FROM $tbl_attendance_sheet WHERE c_id = $course_id AND user_id='$uid' AND attendance_calendar_id = '$calendar_id'";
  459. $rs = Database::query($sql);
  460. if (Database::num_rows($rs) == 0) {
  461. $sql = "INSERT INTO $tbl_attendance_sheet SET
  462. c_id = $course_id,
  463. user_id = '$uid',
  464. attendance_calendar_id = '$calendar_id',
  465. presence = 1";
  466. Database::query($sql);
  467. $affected_rows += Database::affected_rows();
  468. } else {
  469. $sql = "UPDATE $tbl_attendance_sheet SET presence = 1 WHERE c_id = $course_id AND user_id ='$uid' AND attendance_calendar_id = '$calendar_id'";
  470. Database::query($sql);
  471. $affected_rows += Database::affected_rows();
  472. }
  473. }
  474. // save users absent in class
  475. foreach ($users_absent as $user_absent) {
  476. $uid = intval($user_absent);
  477. // check if user already was registered with the $calendar_id
  478. $sql = "SELECT user_id FROM $tbl_attendance_sheet WHERE c_id = $course_id AND user_id='$uid' AND attendance_calendar_id = '$calendar_id'";
  479. $rs = Database::query($sql);
  480. if (Database::num_rows($rs) == 0) {
  481. $sql = "INSERT INTO $tbl_attendance_sheet SET
  482. c_id = $course_id,
  483. user_id ='$uid',
  484. attendance_calendar_id = '$calendar_id',
  485. presence = 0";
  486. Database::query($sql);
  487. $affected_rows += Database::affected_rows();
  488. } else {
  489. $sql = "UPDATE $tbl_attendance_sheet SET presence = 0 WHERE c_id = $course_id AND user_id ='$uid' AND attendance_calendar_id = '$calendar_id'";
  490. Database::query($sql);
  491. $affected_rows += Database::affected_rows();
  492. }
  493. }
  494. // update done_attendance inside attendance calendar table
  495. $sql = "UPDATE $tbl_attendance_calendar SET done_attendance = 1 WHERE c_id = $course_id AND id = '$calendar_id'";
  496. Database::query($sql);
  497. // save users' results
  498. $this->update_users_results($user_ids, $attendance_id);
  499. if ($affected_rows) {
  500. //save attendance sheet log
  501. $lastedit_date = Date('Y-m-d H:i:s');
  502. $lastedit_user_id = api_get_user_id();
  503. $calendar_date_value = $calendar_data['date_time'];
  504. $save_attendance_log = $this->save_attendance_sheet_log($attendance_id, $lastedit_date, $lastedit_type, $lastedit_user_id, $calendar_date_value);
  505. }
  506. return $affected_rows;
  507. }
  508. /**
  509. * update users' attendance results
  510. * @param array registered users inside current course
  511. * @param int attendance id
  512. * @return void
  513. */
  514. public function update_users_results($user_ids, $attendance_id) {
  515. $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
  516. $tbl_attendance_calendar= Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  517. $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
  518. $tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
  519. $course_id = api_get_course_int_id();
  520. $attendance_id = intval($attendance_id);
  521. // fill results about presence of students
  522. $attendance_calendar = $this->get_attendance_calendar($attendance_id);
  523. $calendar_ids = array();
  524. // get all dates from calendar by current attendance
  525. foreach ($attendance_calendar as $cal) {
  526. $calendar_ids[] = $cal['id'];
  527. }
  528. // get count of presences by users inside current attendance and save like results
  529. $count_presences = 0;
  530. if (count($user_ids) > 0) {
  531. foreach ($user_ids as $uid) {
  532. $count_presences = 0;
  533. if (count($calendar_ids) > 0) {
  534. $sql = "SELECT count(presence) as count_presences FROM $tbl_attendance_sheet
  535. WHERE c_id = $course_id AND user_id = '$uid' AND attendance_calendar_id IN(".implode(',',$calendar_ids).") AND presence = 1";
  536. $rs_count = Database::query($sql);
  537. $row_count = Database::fetch_array($rs_count);
  538. $count_presences = $row_count['count_presences'];
  539. }
  540. // save results
  541. $sql = "SELECT id FROM $tbl_attendance_result WHERE c_id = $course_id AND user_id='$uid' AND attendance_id='$attendance_id'";
  542. $rs_check_result = Database::query($sql);
  543. if (Database::num_rows($rs_check_result) > 0) {
  544. // update result
  545. $sql = "UPDATE $tbl_attendance_result SET
  546. score='$count_presences'
  547. WHERE c_id = $course_id AND user_id='$uid' AND attendance_id='$attendance_id'";
  548. Database::query($sql);
  549. } else {
  550. // insert new result
  551. $sql = "INSERT INTO $tbl_attendance_result SET
  552. c_id = $course_id ,
  553. user_id = '$uid',
  554. attendance_id = '$attendance_id',
  555. score = '$count_presences'";
  556. Database::query($sql);
  557. }
  558. }
  559. }
  560. // update attendance qualify max
  561. $count_done_calendar = self::get_done_attendance_calendar($attendance_id);
  562. $sql = "UPDATE $tbl_attendance SET attendance_qualify_max='$count_done_calendar' WHERE c_id = $course_id AND id = '$attendance_id'";
  563. Database::query($sql);
  564. }
  565. /**
  566. * update attendance_sheet_log table, is used as history of an attendance sheet
  567. * @param int Attendance id
  568. * @param string Last edit datetime
  569. * @param string Event type ('locked_attendance', 'done_attendance_sheet' ...)
  570. * @param int Last edit user id
  571. * @param string Calendar datetime value (optional, when event type is 'done_attendance_sheet')
  572. * @return int Affected rows
  573. */
  574. public function save_attendance_sheet_log($attendance_id, $lastedit_date, $lastedit_type, $lastedit_user_id, $calendar_date_value = null) {
  575. $course_id = api_get_course_int_id();
  576. // define table
  577. $tbl_attendance_sheet_log = Database::get_course_table(TABLE_ATTENDANCE_SHEET_LOG);
  578. // protect data
  579. $attendance_id = intval($attendance_id);
  580. $lastedit_date = Database::escape_string($lastedit_date);
  581. $lastedit_type = Database::escape_string($lastedit_type);
  582. $lastedit_user_id = intval($lastedit_user_id);
  583. if (isset($calendar_date_value)) {
  584. $calendar_date_value = Database::escape_string($calendar_date_value);
  585. } else {
  586. $calendar_date_value = '';
  587. }
  588. // save data
  589. $ins = "INSERT INTO $tbl_attendance_sheet_log(c_id, attendance_id, lastedit_date, lastedit_type, lastedit_user_id, calendar_date_value)
  590. VALUES($course_id, $attendance_id, '$lastedit_date', '$lastedit_type', $lastedit_user_id, '$calendar_date_value')";
  591. Database::query($ins);
  592. return Database::affected_rows();
  593. }
  594. /**
  595. * Get number of done attendances inside current sheet
  596. * @param int attendance id
  597. * @return int number of done attendances
  598. */
  599. public static function get_done_attendance_calendar($attendance_id) {
  600. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  601. $attendance_id = intval($attendance_id);
  602. $course_id = api_get_course_int_id();
  603. $sql = "SELECT count(done_attendance) as count
  604. FROM $tbl_attendance_calendar
  605. WHERE c_id = $course_id AND attendance_id = '$attendance_id' AND done_attendance=1";
  606. $rs = Database::query($sql);
  607. $row = Database::fetch_array($rs);
  608. $count = $row['count'];
  609. return $count;
  610. }
  611. /**
  612. * Get results of faults (absents) by user
  613. * @param int user id
  614. * @param int attendance id
  615. * @return array results containing number of faults, total done attendance, porcent of faults and color depend on result (red, orange)
  616. */
  617. public function get_faults_of_user($user_id, $attendance_id) {
  618. // initializing database table and variables
  619. $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
  620. $user_id = intval($user_id);
  621. $attendance_id = intval($attendance_id);
  622. $results = array();
  623. $attendance_data = $this->get_attendance_by_id($attendance_id);
  624. $calendar_count = self::get_number_of_attendance_calendar($attendance_id);
  625. $total_done_attendance = $attendance_data['attendance_qualify_max'];
  626. $attendance_user_score = $this->get_user_score($user_id, $attendance_id);
  627. //This is the main change of the BT#1381
  628. //$total_done_attendance = $calendar_count;
  629. // calculate results
  630. $faults = $total_done_attendance - $attendance_user_score;
  631. $faults = $faults > 0 ? $faults:0;
  632. $faults_porcent = $calendar_count > 0 ?round(($faults*100)/$calendar_count,0):0;
  633. $results['faults'] = $faults;
  634. $results['total'] = $calendar_count;
  635. $results['faults_porcent'] = $faults_porcent;
  636. $color_bar = '';
  637. if ($faults_porcent > 25 ) {
  638. $color_bar = '#F11';
  639. } else if ($faults_porcent > 10) {
  640. $color_bar = '#F90';
  641. }
  642. $results['color_bar'] = $color_bar;
  643. return $results;
  644. }
  645. /**
  646. * Get results of faults average for all courses by user
  647. * @param int user id
  648. * @return array results containing number of faults, total done attendance, porcent of faults and color depend on result (red, orange)
  649. */
  650. public function get_faults_average_inside_courses($user_id) {
  651. // get all courses of current user
  652. $courses = CourseManager::get_courses_list_by_user_id($user_id, true);
  653. $user_id = intval($user_id);
  654. $results = array();
  655. $total_faults = $total_weight = $porcent = 0;
  656. foreach ($courses as $course) {
  657. //$course_code = $course['code'];
  658. //$course_info = api_get_course_info($course_code);
  659. $course_id = $course['real_id'];
  660. $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
  661. $attendances_by_course = $this->get_attendances_list($course_id);
  662. foreach ($attendances_by_course as $attendance) {
  663. // get total faults and total weight
  664. $total_done_attendance = $attendance['attendance_qualify_max'];
  665. $sql = "SELECT score FROM $tbl_attendance_result
  666. WHERE c_id = $course_id AND user_id = $user_id AND attendance_id = ".$attendance['id'];
  667. $rs = Database::query($sql);
  668. $score = 0;
  669. if (Database::num_rows($rs) > 0) {
  670. $row = Database::fetch_array($rs);
  671. $score = $row['score'];
  672. }
  673. $faults = $total_done_attendance-$score;
  674. $faults = $faults > 0 ? $faults:0;
  675. $total_faults += $faults;
  676. $total_weight += $total_done_attendance;
  677. }
  678. }
  679. $porcent = $total_weight > 0 ?round(($total_faults*100)/$total_weight,0):0;
  680. $results['faults'] = $total_faults;
  681. $results['total'] = $total_weight;
  682. $results['porcent'] = $porcent;
  683. return $results;
  684. }
  685. /**
  686. * Get results of faults average by course
  687. * @param int user id
  688. * @param int Session id (optional)
  689. * @return array results containing number of faults, total done attendance, porcent of faults and color depend on result (red, orange)
  690. */
  691. public function get_faults_average_by_course($user_id, $course_code, $session_id = null) {
  692. // Database tables and variables
  693. $course_info = api_get_course_info($course_code);
  694. $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
  695. $user_id = intval($user_id);
  696. $results = array();
  697. $total_faults = $total_weight = $porcent = 0;
  698. $attendances_by_course = $this->get_attendances_list($course_info['real_id'], $session_id);
  699. foreach ($attendances_by_course as $attendance) {
  700. // Get total faults and total weight
  701. $total_done_attendance = $attendance['attendance_qualify_max'];
  702. $sql = "SELECT score FROM $tbl_attendance_result WHERE c_id = {$course_info['real_id']} AND user_id=$user_id AND attendance_id=".$attendance['id'];
  703. $rs = Database::query($sql);
  704. $score = 0;
  705. if (Database::num_rows($rs) > 0) {
  706. $row = Database::fetch_array($rs);
  707. $score = $row['score'];
  708. }
  709. $faults = $total_done_attendance-$score;
  710. $faults = $faults > 0 ? $faults:0;
  711. $total_faults += $faults;
  712. $total_weight += $total_done_attendance;
  713. }
  714. $porcent = $total_weight > 0 ?round(($total_faults*100)/$total_weight,0):0;
  715. $results['faults'] = $total_faults;
  716. $results['total'] = $total_weight;
  717. $results['porcent'] = $porcent;
  718. return $results;
  719. }
  720. /**
  721. * Get registered users' attendance sheet inside current course
  722. * @param int attendance id
  723. * @param int user id for showing data for only one user (optional)
  724. * @return array users attendance sheet data
  725. */
  726. public function get_users_attendance_sheet($attendance_id, $user_id = 0) {
  727. $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
  728. $tbl_attendance_calendar= Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  729. $attendance_calendar = $this->get_attendance_calendar($attendance_id);
  730. $calendar_ids = array();
  731. // get all dates from calendar by current attendance
  732. foreach ($attendance_calendar as $cal) {
  733. $calendar_ids[] = $cal['id'];
  734. }
  735. $course_id = api_get_course_int_id();
  736. $data = array();
  737. if (empty($user_id)) {
  738. // get all registered users inside current course
  739. $users = $this->get_users_rel_course();
  740. $user_ids = array_keys($users);
  741. if (count($calendar_ids) > 0 && count($user_ids) > 0) {
  742. foreach ($user_ids as $uid) {
  743. $sql = "SELECT * FROM $tbl_attendance_sheet
  744. WHERE c_id = $course_id AND user_id = '$uid' AND attendance_calendar_id IN(".implode(',',$calendar_ids).") ";
  745. $res = Database::query($sql);
  746. if (Database::num_rows($res) > 0) {
  747. while ($row = Database::fetch_array($res)) {
  748. $data[$uid][$row['attendance_calendar_id']]['presence'] = $row['presence'];
  749. }
  750. }
  751. }
  752. }
  753. } else {
  754. // Get attendance for current user
  755. $user_id = intval($user_id);
  756. if (count($calendar_ids) > 0) {
  757. $sql = "SELECT cal.date_time, att.presence
  758. FROM $tbl_attendance_sheet att
  759. INNER JOIN $tbl_attendance_calendar cal
  760. ON cal.id = att.attendance_calendar_id
  761. WHERE att.c_id = $course_id AND
  762. cal.c_id = $course_id AND
  763. att.user_id = '$user_id' AND
  764. att.attendance_calendar_id IN(".implode(',',$calendar_ids).")
  765. ORDER BY date_time";
  766. $res = Database::query($sql);
  767. if (Database::num_rows($res) > 0) {
  768. while ($row = Database::fetch_array($res)) {
  769. $row['date_time'] = api_convert_and_format_date($row['date_time'], null, date_default_timezone_get());
  770. $data[$user_id][] = $row;
  771. }
  772. }
  773. }
  774. }
  775. return $data;
  776. }
  777. /**
  778. * Get next attendance calendar without presences (done attendances)
  779. * @param int attendance id
  780. * @return int attendance calendar id
  781. */
  782. public function get_next_attendance_calendar_id($attendance_id) {
  783. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  784. $attendance_id = intval($attendance_id);
  785. $course_id = api_get_course_int_id();
  786. $sql = "SELECT id FROM $tbl_attendance_calendar
  787. WHERE c_id = $course_id AND attendance_id = '$attendance_id' AND done_attendance = 0 ORDER BY date_time limit 1";
  788. $rs = Database::query($sql);
  789. $next_calendar_id = 0;
  790. if (Database::num_rows($rs) > 0) {
  791. $row = Database::fetch_array($rs);
  792. $next_calendar_id = $row['id'];
  793. }
  794. return $next_calendar_id;
  795. }
  796. /**
  797. * Get next attendance calendar datetime without presences (done attendances)
  798. * @param int attendance id
  799. * @return int UNIX time format datetime
  800. */
  801. public function get_next_attendance_calendar_datetime($attendance_id) {
  802. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  803. $course_id = api_get_course_int_id();
  804. $attendance_id = intval($attendance_id);
  805. $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";
  806. $rs = Database::query($sql);
  807. $next_calendar_datetime = 0;
  808. if (Database::num_rows($rs) > 0) {
  809. $row = Database::fetch_array($rs);
  810. $next_calendar_datetime = api_get_local_time($row['date_time']);
  811. }
  812. return $next_calendar_datetime;
  813. }
  814. /**
  815. * Get user' score from current attendance
  816. * @param int user id
  817. * @param int attendance id
  818. * @return int score
  819. */
  820. public function get_user_score($user_id, $attendance_id) {
  821. $tbl_attendance_result = Database::get_course_table(TABLE_ATTENDANCE_RESULT);
  822. $user_id = intval($user_id);
  823. $attendance_id = intval($attendance_id);
  824. $course_id = api_get_course_int_id();
  825. $sql = "SELECT score FROM $tbl_attendance_result WHERE c_id = $course_id AND user_id='$user_id' AND attendance_id='$attendance_id'";
  826. $rs = Database::query($sql);
  827. $score = 0;
  828. if (Database::num_rows($rs) > 0) {
  829. $row = Database::fetch_array($rs);
  830. $score = $row['score'];
  831. }
  832. return $score;
  833. }
  834. /**
  835. * Get attendance calendar data by id
  836. * @param int attendance calendar id
  837. * @return array attendance calendar data
  838. */
  839. public function get_attendance_calendar_by_id($calendar_id) {
  840. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  841. $calendar_id = intval($calendar_id);
  842. $course_id = api_get_course_int_id();
  843. $sql = "SELECT * FROM $tbl_attendance_calendar WHERE c_id = $course_id AND id = '$calendar_id' ";
  844. $rs = Database::query($sql);
  845. $data = array();
  846. if (Database::num_rows($rs) > 0) {
  847. while ($row = Database::fetch_array($rs)) {
  848. $row['date_time'] = api_get_local_time($row['date_time']);
  849. $data = $row;
  850. }
  851. }
  852. return $data;
  853. }
  854. /**
  855. * Get all attendance calendar data inside current attendance
  856. * @param int attendance id
  857. * @return array attendance calendar data
  858. */
  859. public function get_attendance_calendar($attendance_id, $type = 'all', $calendar_id = null) {
  860. global $dateFormatShort, $timeNoSecFormat;
  861. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  862. $attendance_id = intval($attendance_id);
  863. $course_id = api_get_course_int_id();
  864. $sql = "SELECT * FROM $tbl_attendance_calendar WHERE c_id = $course_id AND attendance_id = '$attendance_id' ";
  865. if (!in_array($type, array('today', 'all', 'all_done', 'all_not_done','calendar_id'))) {
  866. $type = 'all';
  867. }
  868. switch ($type) {
  869. case 'calendar_id':
  870. $calendar_id = intval($calendar_id);
  871. if (!empty($calendar_id)) {
  872. $sql.= " AND id = $calendar_id";
  873. }
  874. break;
  875. case 'today':
  876. //$sql .= ' AND DATE_FORMAT(date_time,"%d-%m-%Y") = DATE_FORMAT("'.api_get_utc_datetime().'", "%d-%m-%Y" )';
  877. break;
  878. case 'all_done':
  879. $sql .= " AND done_attendance = 1 ";
  880. break;
  881. case 'all_not_done':
  882. $sql .= " AND done_attendance = 0 ";
  883. break;
  884. case 'all':
  885. default:
  886. break;
  887. }
  888. $sql .= " ORDER BY date_time ";
  889. $rs = Database::query($sql);
  890. $data = array();
  891. if (Database::num_rows($rs) > 0) {
  892. while ($row = Database::fetch_array($rs,'ASSOC')) {
  893. $row['db_date_time'] = $row['date_time'];
  894. $row['date_time'] = api_get_local_time($row['date_time']);
  895. $row['date'] = api_format_date($row['date_time'], DATE_FORMAT_SHORT);
  896. $row['time'] = api_format_date($row['date_time'], TIME_NO_SEC_FORMAT);
  897. if ($type == 'today') {
  898. if (date('d-m-Y', api_strtotime($row['date_time'], 'UTC')) == date('d-m-Y', time())) {
  899. $data[] = $row;
  900. }
  901. } else {
  902. $data[] = $row;
  903. }
  904. }
  905. }
  906. return $data;
  907. }
  908. /**
  909. * Get number of attendance calendar inside current attendance
  910. * @param int attendance id
  911. * @return int number of dates in attendance calendar
  912. */
  913. public static function get_number_of_attendance_calendar($attendance_id) {
  914. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  915. $attendance_id = intval($attendance_id);
  916. $course_id = api_get_course_int_id();
  917. $sql = "SELECT count(id) FROM $tbl_attendance_calendar
  918. WHERE c_id = $course_id AND attendance_id = '$attendance_id'";
  919. $rs = Database::query($sql);
  920. $row = Database::fetch_row($rs);
  921. $count = $row[0];
  922. return $count;
  923. }
  924. /**
  925. * Get count dates inside attendance calendar by attendance id
  926. * @param int attendance id
  927. * @return int count of dates
  928. */
  929. public static function get_count_dates_inside_attendance_calendar($attendance_id) {
  930. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  931. $attendance_id = intval($attendance_id);
  932. $course_id = api_get_course_int_id();
  933. $sql = "SELECT count(id) FROM $tbl_attendance_calendar
  934. WHERE c_id = $course_id AND attendance_id = '$attendance_id'";
  935. $rs = Database::query($sql);
  936. $count = 0;
  937. if (Database::num_rows($rs) > 0) {
  938. $row = Database::fetch_row($rs);
  939. $count = $row[0];
  940. }
  941. return $count;
  942. }
  943. /**
  944. * check if all calendar of an attendance is done
  945. * @param int attendance id
  946. * @return bool True if all calendar is done, otherwise false
  947. */
  948. public static function is_all_attendance_calendar_done($attendance_id) {
  949. $attendance_id = intval($attendance_id);
  950. $done_calendar = self::get_done_attendance_calendar($attendance_id);
  951. $count_dates_in_calendar = self::get_count_dates_inside_attendance_calendar($attendance_id);
  952. $number_of_dates = self::get_number_of_attendance_calendar($attendance_id);
  953. $result = false;
  954. if ($number_of_dates && (intval($count_dates_in_calendar) == intval($done_calendar))) {
  955. $result = true;
  956. }
  957. return $result;
  958. }
  959. /**
  960. * check if an attendance is locked
  961. * @param int attendance id
  962. * @param bool
  963. */
  964. public static function is_locked_attendance($attendance_id) {
  965. //use gradebook lock
  966. $result = api_resource_is_locked_by_gradebook($attendance_id, LINK_ATTENDANCE);
  967. return $result;
  968. }
  969. /**
  970. * Add new datetime inside attendance calendar table
  971. * @param int attendance id
  972. * @return int affected rows
  973. */
  974. public function attendance_calendar_add($attendance_id) {
  975. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  976. $affected_rows = 0;
  977. $attendance_id = intval($attendance_id);
  978. $course_id = api_get_course_int_id();
  979. // check if datetime already exists inside the table
  980. $sql = "SELECT id FROM $tbl_attendance_calendar
  981. WHERE c_id = $course_id AND date_time='".Database::escape_string($this->date_time)."' AND attendance_id = '$attendance_id'";
  982. $rs = Database::query($sql);
  983. if (Database::num_rows($rs) == 0) {
  984. $sql = "INSERT INTO $tbl_attendance_calendar SET
  985. c_id = $course_id,
  986. date_time = '".Database::escape_string($this->date_time)."',
  987. attendance_id = '$attendance_id'";
  988. Database::query($sql);
  989. $affected_rows = Database::affected_rows();
  990. }
  991. // update locked attendance
  992. $is_all_calendar_done = self::is_all_attendance_calendar_done($attendance_id);
  993. if (!$is_all_calendar_done) {
  994. $unlock = self::lock_attendance($attendance_id, false);
  995. } else {
  996. $unlock = self::lock_attendance($attendance_id);
  997. }
  998. return $affected_rows;
  999. }
  1000. /**
  1001. * save repeated date inside attendance calendar table
  1002. * @param int attendance id
  1003. * @param int start date in tms
  1004. * @param int end date in tms
  1005. * @param string repeat type daily, weekly, monthlyByDate
  1006. */
  1007. public function attendance_repeat_calendar_add($attendance_id, $start_date, $end_date, $repeat_type) {
  1008. $attendance_id = intval($attendance_id);
  1009. // save start date
  1010. $datetimezone = api_get_utc_datetime($start_date);
  1011. $this->set_date_time($datetimezone);
  1012. $res = $this->attendance_calendar_add($attendance_id);
  1013. //86400 = 24 hours in seconds
  1014. //604800 = 1 week in seconds
  1015. // Saves repeated dates
  1016. switch($repeat_type) {
  1017. case 'daily':
  1018. $j = 1;
  1019. for ($i = $start_date + 86400; ($i <= $end_date); $i += 86400) {
  1020. //$datetimezone = api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , 0, $j); //to support europe timezones
  1021. $datetimezone = api_get_utc_datetime($i);
  1022. $this->set_date_time($datetimezone);
  1023. $res = $this->attendance_calendar_add($attendance_id);
  1024. $j++;
  1025. }
  1026. break;
  1027. exit;
  1028. case 'weekly':
  1029. $j = 1;
  1030. for ($i = $start_date + 604800; ($i <= $end_date); $i += 604800) {
  1031. $datetimezone = api_get_utc_datetime($i);
  1032. //$datetimezone = api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , 0, $j*7); //to support europe timezones
  1033. $this->set_date_time($datetimezone);
  1034. $res = $this->attendance_calendar_add($attendance_id);
  1035. $j++;
  1036. }
  1037. break;
  1038. case 'monthlyByDate':
  1039. $j = 1;
  1040. //@todo fix bug with february
  1041. for ($i = $start_date + 2419200; ($i <= $end_date); $i += 2419200) {
  1042. $datetimezone = api_get_utc_datetime($i);
  1043. //$datetimezone = api_get_utc_date_add(api_get_utc_datetime($start_date), 0 , $j); //to support europe timezones
  1044. $this->set_date_time($datetimezone);
  1045. $res = $this->attendance_calendar_add($attendance_id);
  1046. $j++;
  1047. }
  1048. break;
  1049. }
  1050. }
  1051. /**
  1052. * Adds x months to a UNIX timestamp
  1053. * @param int The timestamp
  1054. * @param int The number of years to add
  1055. * @return int The new timestamp
  1056. */
  1057. private function add_month($timestamp, $num=1) {
  1058. $values = api_get_utc_datetime($timestamp);
  1059. $values = str_replace(array(':','-',' '), '/', $values);
  1060. list($y, $m, $d, $h, $n, $s) = split('/',$values);
  1061. if($m+$num>12) {
  1062. $y += floor($num/12);
  1063. $m += $num%12;
  1064. } else {
  1065. $m += $num;
  1066. }
  1067. //date_default_timezone_set('UTC');
  1068. // return mktime($h, $n, $s, $m, $d, $y);
  1069. $result = api_strtotime($y.'-'.$m.'-'.$d.' '.$h.':'.$n.':'.$s, 'UTC');
  1070. if (!empty($result)) {
  1071. return $result;
  1072. }
  1073. return false;
  1074. }
  1075. /**
  1076. * edit a datetime inside attendance calendar table
  1077. * @param int attendance calendar id
  1078. * @param int attendance id
  1079. * @return int affected rows
  1080. */
  1081. public function attendance_calendar_edit($calendar_id, $attendance_id) {
  1082. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  1083. $affected_rows = 0;
  1084. $attendance_id = intval($attendance_id);
  1085. $course_id = api_get_course_int_id();
  1086. // check if datetime already exists inside the table
  1087. $sql = "SELECT id FROM $tbl_attendance_calendar
  1088. WHERE c_id = $course_id AND date_time = '".Database::escape_string($this->date_time)."' AND attendance_id = '$attendance_id'";
  1089. $rs = Database::query($sql);
  1090. if (Database::num_rows($rs) == 0) {
  1091. $sql = "UPDATE $tbl_attendance_calendar SET date_time='".Database::escape_string($this->date_time)."' WHERE c_id = $course_id AND id = '".intval($calendar_id)."'";
  1092. Database::query($sql);
  1093. $affected_rows = Database::affected_rows();
  1094. }
  1095. // update locked attendance
  1096. $is_all_calendar_done = self::is_all_attendance_calendar_done($attendance_id);
  1097. if (!$is_all_calendar_done) {
  1098. $unlock = self::lock_attendance($attendance_id, false);
  1099. } else {
  1100. $unlock = self::lock_attendance($attendance_id);
  1101. }
  1102. return $affected_rows;
  1103. }
  1104. /**
  1105. * delete a datetime from attendance calendar table
  1106. * @param int attendance calendar id
  1107. * @param int attendance id
  1108. * @param bool true for removing all calendar inside current attendance, false for removing by calendar id
  1109. * @return int affected rows
  1110. */
  1111. public function attendance_calendar_delete($calendar_id, $attendance_id , $all_delete = false) {
  1112. $tbl_attendance_calendar = Database::get_course_table(TABLE_ATTENDANCE_CALENDAR);
  1113. $tbl_attendance_sheet = Database::get_course_table(TABLE_ATTENDANCE_SHEET);
  1114. $session_id = api_get_session_id();
  1115. $attendance_id = intval($attendance_id);
  1116. // get all registered users inside current course
  1117. $users = $this->get_users_rel_course();
  1118. $user_ids = array_keys($users);
  1119. $course_id = api_get_course_int_id();
  1120. if ($all_delete) {
  1121. $attendance_calendar = $this->get_attendance_calendar($attendance_id);
  1122. $calendar_ids = array();
  1123. // get all dates from calendar by current attendance
  1124. if (!empty($attendance_calendar)) {
  1125. foreach ($attendance_calendar as $cal) {
  1126. // delete all data from attendance sheet
  1127. $sql = "DELETE FROM $tbl_attendance_sheet WHERE c_id = $course_id AND attendance_calendar_id = '".intval($cal['id'])."'";
  1128. Database::query($sql);
  1129. // delete data from attendance calendar
  1130. $sql = "DELETE FROM $tbl_attendance_calendar WHERE c_id = $course_id AND id = '".intval($cal['id'])."'";
  1131. Database::query($sql);
  1132. }
  1133. }
  1134. } else {
  1135. // delete just one row from attendance sheet by the calendar id
  1136. $sql = "DELETE FROM $tbl_attendance_sheet WHERE c_id = $course_id AND attendance_calendar_id = '".intval($calendar_id)."'";
  1137. Database::query($sql);
  1138. // delete data from attendance calendar
  1139. $sql = "DELETE FROM $tbl_attendance_calendar WHERE c_id = $course_id AND id = '".intval($calendar_id)."'";
  1140. Database::query($sql);
  1141. }
  1142. $affected_rows = Database::affected_rows();
  1143. // update users' results
  1144. $this->update_users_results($user_ids, $attendance_id);
  1145. return $affected_rows;
  1146. }
  1147. /**
  1148. * buid a string datetime from array
  1149. * @param array array containing data e.g: $array('Y'=>'2010', 'F' => '02', 'd' => '10', 'H' => '12', 'i' => '30')
  1150. * @return string date and time e.g: '2010-02-10 12:30:00'
  1151. */
  1152. public function build_datetime_from_array($array) {
  1153. $year = '0000';
  1154. $month = $day = $hours = $minutes = $seconds = '00';
  1155. if (isset($array['Y']) && (isset($array['F']) || isset($array['M'])) && isset($array['d']) && isset($array['H']) && isset($array['i'])) {
  1156. $year = $array['Y'];
  1157. $month = isset($array['F'])?$array['F']:$array['M'];
  1158. if (intval($month) < 10 ) $month = '0'.$month;
  1159. $day = $array['d'];
  1160. if (intval($day) < 10 ) $day = '0'.$day;
  1161. $hours = $array['H'];
  1162. if (intval($hours) < 10 ) $hours = '0'.$hours;
  1163. $minutes = $array['i'];
  1164. if (intval($minutes) < 10 ) $minutes = '0'.$minutes;
  1165. }
  1166. if (checkdate($month,$day,$year)) {
  1167. $datetime = $year.'-'.$month.'-'.$day.' '.$hours.':'.$minutes.':'.$seconds;
  1168. }
  1169. return $datetime;
  1170. }
  1171. /** Setters for fields of attendances tables **/
  1172. public function set_session_id($session_id) {
  1173. $this->session_id = $session_id;
  1174. }
  1175. public function set_course_id($course_id) {
  1176. $this->course_id = $course_id;
  1177. }
  1178. public function set_date_time($datetime) {
  1179. $this->date_time = $datetime;
  1180. }
  1181. public function set_name($name) {
  1182. $this->name = $name;
  1183. }
  1184. public function set_description($description) {
  1185. $this->description = $description;
  1186. }
  1187. public function set_attendance_qualify_title($attendance_qualify_title) {
  1188. $this->attendance_qualify_title = $attendance_qualify_title;
  1189. }
  1190. public function set_attendance_weight($attendance_weight) {
  1191. $this->attendance_weight = $attendance_weight;
  1192. }
  1193. /** Getters for fields of attendances tables **/
  1194. public function get_session_id() {
  1195. return $this->session_id;
  1196. }
  1197. public function get_course_id() {
  1198. return $this->course_id;
  1199. }
  1200. public function get_date_time() {
  1201. return $this->date_time;
  1202. }
  1203. public function get_name($name) {
  1204. return $this->name;
  1205. }
  1206. public function get_description($description) {
  1207. return $this->description;
  1208. }
  1209. public function get_attendance_qualify_title($attendance_qualify_title) {
  1210. return $this->attendance_qualify_title;
  1211. }
  1212. public function get_attendance_weight($attendance_weight) {
  1213. return $this->attendance_weight;
  1214. }
  1215. }