exercise.ajax.php 20 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. use ChamiloSession as Session;
  4. /**
  5. * Responses to AJAX calls
  6. */
  7. //require_once '../global.inc.php';
  8. $debug = false;
  9. api_protect_course_script(true);
  10. $action = $_REQUEST['a'];
  11. $course_id = api_get_course_int_id();
  12. if ($debug) {
  13. error_log("$action ajax call");
  14. }
  15. $session_id = isset($_REQUEST['session_id']) ? intval($_REQUEST['session_id']) : api_get_session_id();
  16. $course_code = isset($_REQUEST['cidReq']) ? $_REQUEST['cidReq'] : api_get_course_id();
  17. switch ($action) {
  18. case 'get_live_stats':
  19. if (!api_is_allowed_to_edit(null, true)) {
  20. break;
  21. }
  22. // 1. Setting variables needed by jqgrid
  23. $action = $_GET['a'];
  24. $exercise_id = intval($_GET['exercise_id']);
  25. $page = intval($_REQUEST['page']); //page
  26. $limit = intval($_REQUEST['rows']); //quantity of rows
  27. $sidx = $_REQUEST['sidx']; //index to filter
  28. $sord = $_REQUEST['sord']; //asc or desc
  29. if (!in_array($sord, array('asc','desc'))) {
  30. $sord = 'desc';
  31. }
  32. // get index row - i.e. user click to sort $sord = $_GET['sord'];
  33. // get the direction
  34. if (!$sidx) {
  35. $sidx = 1;
  36. }
  37. $track_exercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
  38. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  39. $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
  40. $minutes = intval($_REQUEST['minutes']);
  41. $now = time() - 60 * $minutes;
  42. $now = api_get_utc_datetime($now);
  43. $where_condition = " orig_lp_id = 0 AND exe_exo_id = $exercise_id AND start_date > '$now' ";
  44. $sql = "SELECT COUNT(DISTINCT exe_id)
  45. FROM $track_exercise
  46. WHERE $where_condition ";
  47. $result = Database::query($sql);
  48. $count = Database::fetch_row($result);
  49. $count = $count[0];
  50. //3. Calculating first, end, etc
  51. $total_pages = 0;
  52. if ($count > 0) {
  53. if (!empty($limit)) {
  54. $total_pages = ceil($count/$limit);
  55. }
  56. }
  57. if ($page > $total_pages) {
  58. $page = $total_pages;
  59. }
  60. $start = $limit * $page - $limit;
  61. if ($start < 0) {
  62. $start = 0;
  63. }
  64. $sql = "SELECT
  65. exe_id,
  66. exe_user_id,
  67. firstname,
  68. lastname,
  69. aa.status,
  70. start_date,
  71. exe_result,
  72. exe_weighting,
  73. exe_result/exe_weighting as score,
  74. exe_duration,
  75. questions_to_check,
  76. orig_lp_id
  77. FROM $user_table u
  78. INNER JOIN (
  79. SELECT
  80. t.exe_id,
  81. t.exe_user_id,
  82. status,
  83. start_date,
  84. exe_result,
  85. exe_weighting,
  86. exe_result/exe_weighting as score,
  87. exe_duration,
  88. questions_to_check,
  89. orig_lp_id
  90. FROM $track_exercise t
  91. LEFT JOIN $track_attempt a
  92. ON (a.exe_id = t.exe_id AND t.exe_user_id = a.user_id)
  93. WHERE t.status = 'incomplete' AND $where_condition
  94. GROUP BY exe_user_id
  95. ) as aa
  96. ON aa.exe_user_id = user_id
  97. ORDER BY $sidx $sord
  98. LIMIT $start, $limit";
  99. $result = Database::query($sql);
  100. $results = array();
  101. while ($row = Database::fetch_array($result, 'ASSOC')) {
  102. $results[] = $row;
  103. }
  104. $oExe = new Exercise();
  105. $oExe->read($exercise_id);
  106. $response = new stdClass();
  107. $response->page = $page;
  108. $response->total = $total_pages;
  109. $response->records = $count;
  110. $i=0;
  111. if (!empty($results)) {
  112. foreach ($results as $row) {
  113. $sql = "SELECT SUM(count_question_id) as count_question_id
  114. FROM (
  115. SELECT 1 as count_question_id
  116. FROM $track_attempt a
  117. WHERE
  118. user_id = {$row['exe_user_id']} AND
  119. exe_id = {$row['exe_id']}
  120. GROUP by question_id
  121. ) as count_table";
  122. $result_count = Database::query($sql);
  123. $count_questions = Database::fetch_array($result_count,'ASSOC');
  124. $count_questions = $count_questions['count_question_id'];
  125. $row['count_questions'] = $count_questions;
  126. $response->rows[$i]['id'] = $row['exe_id'];
  127. $remaining = strtotime($row['start_date'])+($oExe->expired_time*60) - strtotime(api_get_utc_datetime(time()));
  128. $h = floor($remaining/3600);
  129. $m = floor(($remaining - ($h*3600))/60);
  130. $s = ($remaining - ($h*3600) - ($m*60));
  131. $array = array(
  132. $row['firstname'],
  133. $row['lastname'],
  134. api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG).' ['.($h>0?$h.':':'').sprintf("%02d",$m).':'.sprintf("%02d",$s).']',
  135. $row['count_questions'],
  136. round($row['score']*100).'%'
  137. );
  138. $response->rows[$i]['cell'] = $array;
  139. $i++;
  140. }
  141. }
  142. echo json_encode($response);
  143. break;
  144. case 'update_exercise_list_order':
  145. if (api_is_allowed_to_edit(null, true)) {
  146. $new_list = $_REQUEST['exercise_list'];
  147. $table = Database::get_course_table(TABLE_QUIZ_ORDER);
  148. $counter = 1;
  149. //Drop all
  150. Database::query("DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id");
  151. //Insert all
  152. foreach ($new_list as $new_order_id) {
  153. Database::insert(
  154. $table,
  155. array(
  156. 'exercise_order' => $counter,
  157. 'session_id' => $session_id,
  158. 'exercise_id' => intval($new_order_id),
  159. 'c_id' => $course_id
  160. )
  161. );
  162. $counter++;
  163. }
  164. Display::display_confirmation_message(get_lang('Saved'));
  165. }
  166. break;
  167. case 'update_question_order':
  168. $course_info = api_get_course_info_by_id($course_id);
  169. $course_id = $course_info['real_id'];
  170. $exercise_id = isset($_REQUEST['exercise_id']) ? $_REQUEST['exercise_id'] : null;
  171. if (empty($exercise_id)) {
  172. return Display::display_error_message(get_lang('Error'));
  173. }
  174. if (api_is_allowed_to_edit(null, true)) {
  175. $new_question_list = $_POST['question_id_list'];
  176. $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
  177. $counter = 1;
  178. foreach ($new_question_list as $new_order_id) {
  179. Database::update(
  180. $TBL_QUESTIONS,
  181. array('question_order' => $counter),
  182. array('question_id = ? AND c_id = ? AND exercice_id = ? ' => array(intval($new_order_id), $course_id, $exercise_id)))
  183. ;
  184. $counter++;
  185. }
  186. Display::display_confirmation_message(get_lang('Saved'));
  187. }
  188. break;
  189. case 'add_question_to_reminder':
  190. /** @var Exercise $objExercise */
  191. $objExercise = Session::read('objExercise');
  192. if (empty($objExercise)) {
  193. echo 0;
  194. exit;
  195. } else {
  196. $objExercise->edit_question_to_remind(
  197. $_REQUEST['exe_id'],
  198. $_REQUEST['question_id'],
  199. $_REQUEST['action']
  200. );
  201. }
  202. break;
  203. case 'save_exercise_by_now':
  204. $course_info = api_get_course_info_by_id($course_id);
  205. $course_id = $course_info['real_id'];
  206. // Use have permissions?
  207. if (api_is_allowed_to_session_edit()) {
  208. // "all" or "simple" strings means that there's one or all questions exercise type
  209. $type = isset($_REQUEST['type']) ? $_REQUEST['type'] : null;
  210. // Questions choices.
  211. $choice = isset($_REQUEST['choice']) ? $_REQUEST['choice'] : null;
  212. // Hot spot coordinates from all questions.
  213. $hot_spot_coordinates = isset($_REQUEST['hotspot']) ? $_REQUEST['hotspot'] : null;
  214. // There is a reminder?
  215. $remind_list = isset($_REQUEST['remind_list']) && !empty($_REQUEST['remind_list']) ? array_keys($_REQUEST['remind_list']) : null;
  216. // Needed in manage_answer.
  217. $learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : 0;
  218. $learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : 0;
  219. // Attempt id.
  220. $exe_id = $_REQUEST['exe_id'];
  221. if ($debug) {
  222. error_log("exe_id = $exe_id");
  223. error_log("type = $type");
  224. error_log("choice = ".print_r($choice, 1)." ");
  225. error_log("hot_spot_coordinates = ".print_r($hot_spot_coordinates, 1));
  226. error_log("remind_list = ".print_r($remind_list, 1));
  227. }
  228. // Exercise information.
  229. /** @var Exercise $objExercise */
  230. $objExercise = Session::read('objExercise');
  231. // Question info.
  232. $question_id = isset($_REQUEST['question_id']) ? intval($_REQUEST['question_id']) : null;
  233. $question_list = Session::read('questionList');
  234. // If exercise or question is not set then exit.
  235. if (empty($question_list) || empty($objExercise)) {
  236. echo 'error';
  237. if ($debug) {
  238. if (empty($question_list)) {
  239. error_log("question_list is empty");
  240. }
  241. if (empty($objExercise)) {
  242. error_log("objExercise is empty");
  243. }
  244. }
  245. exit;
  246. }
  247. // Getting information of the current exercise.
  248. $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
  249. $exercise_id = $exercise_stat_info['exe_exo_id'];
  250. $attempt_list = array();
  251. // First time here we create an attempt (getting the exe_id).
  252. if (!empty($exercise_stat_info)) {
  253. // We know the user we get the exe_id.
  254. $exe_id = $exercise_stat_info['exe_id'];
  255. $total_score = $exercise_stat_info['exe_result'];
  256. //Getting the list of attempts
  257. $attempt_list = Event::getAllExerciseEventByExeId($exe_id);
  258. }
  259. // Updating Reminder algorythm.
  260. if ($objExercise->type == ONE_PER_PAGE) {
  261. $bd_reminder_list = explode(',', $exercise_stat_info['questions_to_check']);
  262. if (empty($remind_list)) {
  263. $remind_list = $bd_reminder_list;
  264. $new_list = array();
  265. foreach ($bd_reminder_list as $item) {
  266. if ($item != $question_id) {
  267. $new_list[] = $item;
  268. }
  269. }
  270. $remind_list = $new_list;
  271. } else {
  272. if (isset($remind_list[0])) {
  273. if (!in_array($remind_list[0], $bd_reminder_list)) {
  274. array_push($bd_reminder_list, $remind_list[0]);
  275. }
  276. $remind_list = $bd_reminder_list;
  277. }
  278. }
  279. }
  280. // No exe id? Can't save answer.
  281. if (empty($exe_id)) {
  282. // Fires an error.
  283. echo 'error';
  284. if ($debug) {
  285. error_log("exe_id is empty");
  286. }
  287. exit;
  288. }
  289. Session::write('exe_id', $exe_id);
  290. // Getting the total weight if the request is simple
  291. $total_weight = 0;
  292. if ($type == 'simple') {
  293. foreach ($question_list as $my_question_id) {
  294. $objQuestionTmp = Question::read($my_question_id, $course_id);
  295. $total_weight += $objQuestionTmp->selectWeighting();
  296. }
  297. }
  298. unset($objQuestionTmp);
  299. // Looping the question list
  300. foreach ($question_list as $my_question_id) {
  301. if ($debug) {
  302. error_log("Saving question_id = $my_question_id ");
  303. }
  304. if ($type == 'simple' && $question_id != $my_question_id) {
  305. continue;
  306. }
  307. $my_choice = isset($choice[$my_question_id]) ?
  308. $choice[$my_question_id] : null;
  309. if ($debug) {
  310. error_log("my_choice = ".print_r($my_choice, 1)."");
  311. }
  312. // Creates a temporary Question object
  313. $objQuestionTmp = Question::read($my_question_id, $course_id);
  314. // Getting free choice data.
  315. if ($objQuestionTmp->type == FREE_ANSWER && $type == 'all') {
  316. $my_choice = isset($_REQUEST['free_choice'][$my_question_id]) && !empty($_REQUEST['free_choice'][$my_question_id]) ? $_REQUEST['free_choice'][$my_question_id]: null;
  317. }
  318. if ($type == 'all') {
  319. $total_weight += $objQuestionTmp->selectWeighting();
  320. }
  321. // This variable came from exercise_submit_modal.php.
  322. $hotspot_delineation_result = null;
  323. if (isset($_SESSION['hotspot_delineation_result']) && isset($_SESSION['hotspot_delineation_result'][$objExercise->selectId()])) {
  324. $hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$my_question_id];
  325. }
  326. if ($type == 'simple') {
  327. // Getting old attempt in order to decrees the total score.
  328. $old_result = $objExercise->manage_answer(
  329. $exe_id,
  330. $my_question_id,
  331. null,
  332. 'exercise_show',
  333. array(),
  334. false,
  335. true,
  336. false,
  337. $objExercise->selectPropagateNeg(),
  338. array()
  339. );
  340. // Removing old score.
  341. $total_score = $total_score - $old_result['score'];
  342. }
  343. // Deleting old attempt
  344. if (isset($attempt_list) && !empty($attempt_list[$my_question_id])) {
  345. if ($debug) {
  346. error_log("delete_attempt exe_id : $exe_id, my_question_id: $my_question_id");
  347. }
  348. Event::delete_attempt(
  349. $exe_id,
  350. api_get_user_id(),
  351. $course_id,
  352. $session_id,
  353. $my_question_id
  354. );
  355. if ($objQuestionTmp->type == HOT_SPOT) {
  356. Event::delete_attempt_hotspot(
  357. $exe_id,
  358. api_get_user_id(),
  359. $course_id,
  360. $session_id,
  361. $my_question_id
  362. );
  363. }
  364. if (isset($attempt_list[$my_question_id])) {
  365. $total_score -= $attempt_list[$my_question_id]->getMarks();
  366. }
  367. }
  368. // We're inside *one* question. Go through each possible answer for this question
  369. $result = $objExercise->manage_answer(
  370. $exe_id,
  371. $my_question_id,
  372. $my_choice,
  373. 'exercise_result',
  374. $hot_spot_coordinates,
  375. true,
  376. false,
  377. false,
  378. $objExercise->selectPropagateNeg(),
  379. $hotspot_delineation_result
  380. );
  381. // Adding the new score.
  382. $total_score += $result['score'];
  383. if ($debug) {
  384. error_log("total_score: $total_score ");
  385. error_log("total_weight: $total_weight ");
  386. }
  387. $duration = 0;
  388. $now = time();
  389. if ($type == 'all') {
  390. $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
  391. }
  392. $key = ExerciseLib::get_time_control_key(
  393. $exercise_id,
  394. $exercise_stat_info['orig_lp_id'],
  395. $exercise_stat_info['orig_lp_item_id']
  396. );
  397. $sessionDurationTime = Session::read('duration_time', []);
  398. if (isset($sessionDurationTime[$key]) && !empty($sessionDurationTime[$key])) {
  399. $duration = $now - $sessionDurationTime[$key];
  400. if (!empty($exercise_stat_info['exe_duration'])) {
  401. $duration += $exercise_stat_info['exe_duration'];
  402. }
  403. $duration = intval($duration);
  404. } else {
  405. if (!empty($exercise_stat_info['exe_duration'])) {
  406. $duration = $exercise_stat_info['exe_duration'];
  407. }
  408. }
  409. $sessionDurationTime[$key] = time();
  410. Session::write('duration_time', $sessionDurationTime);
  411. Event::update_event_exercice(
  412. $exe_id,
  413. $objExercise->selectId(),
  414. $total_score,
  415. $total_weight,
  416. $session_id,
  417. $exercise_stat_info['orig_lp_id'],
  418. $exercise_stat_info['orig_lp_item_id'],
  419. $exercise_stat_info['orig_lp_item_view_id'],
  420. $duration,
  421. $question_list,
  422. 'incomplete',
  423. $remind_list
  424. );
  425. // Destruction of the Question object
  426. unset($objQuestionTmp);
  427. if ($debug) {
  428. error_log(" -- end question -- ");
  429. }
  430. }
  431. if ($debug) {
  432. error_log(" ------ end ajax call ------- ");
  433. }
  434. }
  435. if ($objExercise->type == ONE_PER_PAGE) {
  436. echo 'one_per_page';
  437. exit;
  438. }
  439. echo 'ok';
  440. break;
  441. case 'show_question':
  442. $isAllowedToEdit = api_is_allowed_to_edit(null, true, false, false);
  443. if (!$isAllowedToEdit) {
  444. api_not_allowed(true);
  445. exit;
  446. }
  447. $questionId = isset($_GET['question']) ? intval($_GET['question']) : 0;
  448. $exerciseId = isset($_REQUEST['exercise']) ? intval($_REQUEST['exercise']) : 0;
  449. if (!$questionId || !$exerciseId) {
  450. break;
  451. }
  452. $objExercise = new Exercise();
  453. $objExercise->read($exerciseId);
  454. $objQuestion = Question::read($questionId);
  455. $objQuestion->get_question_type_name();
  456. echo '<p class="lead">' . $objQuestion->get_question_type_name() . '</p>';
  457. //echo get_lang('Level').': '.$objQuestionTmp->selectLevel();
  458. ExerciseLib::showQuestion(
  459. $questionId,
  460. false,
  461. null,
  462. null,
  463. false,
  464. true,
  465. false,
  466. true,
  467. $objExercise->feedback_type,
  468. true
  469. );
  470. break;
  471. default:
  472. echo '';
  473. }
  474. exit;