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 __DIR__.'/../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(
  124. $result_count,
  125. 'ASSOC'
  126. );
  127. $count_questions = $count_questions['count_question_id'];
  128. $row['count_questions'] = $count_questions;
  129. $response->rows[$i]['id'] = $row['exe_id'];
  130. $remaining = strtotime($row['start_date']) + ($oExe->expired_time * 60) - strtotime(api_get_utc_datetime(time()));
  131. $h = floor($remaining / 3600);
  132. $m = floor(($remaining - ($h * 3600)) / 60);
  133. $s = ($remaining - ($h * 3600) - ($m * 60));
  134. $array = array(
  135. $row['firstname'],
  136. $row['lastname'],
  137. api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG).' ['.($h > 0 ? $h.':' : '').sprintf("%02d", $m).':'.sprintf("%02d", $s).']',
  138. $row['count_questions'],
  139. round($row['score'] * 100).'%'
  140. );
  141. $response->rows[$i]['cell'] = $array;
  142. $i++;
  143. }
  144. }
  145. echo json_encode($response);
  146. break;
  147. case 'update_exercise_list_order':
  148. if (api_is_allowed_to_edit(null, true)) {
  149. $new_list = $_REQUEST['exercise_list'];
  150. $table = Database::get_course_table(TABLE_QUIZ_ORDER);
  151. $counter = 1;
  152. //Drop all
  153. Database::query("DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id");
  154. //Insert all
  155. foreach ($new_list as $new_order_id) {
  156. Database::insert(
  157. $table,
  158. array(
  159. 'exercise_order' => $counter,
  160. 'session_id' => $session_id,
  161. 'exercise_id' => intval($new_order_id),
  162. 'c_id' => $course_id
  163. )
  164. );
  165. $counter++;
  166. }
  167. echo Display::return_message(get_lang('Saved'), 'confirmation');
  168. }
  169. break;
  170. case 'update_question_order':
  171. $course_info = api_get_course_info_by_id($course_id);
  172. $course_id = $course_info['real_id'];
  173. $exercise_id = isset($_REQUEST['exercise_id']) ? $_REQUEST['exercise_id'] : null;
  174. if (empty($exercise_id)) {
  175. return Display::return_message(get_lang('Error'), 'error');
  176. }
  177. if (api_is_allowed_to_edit(null, true)) {
  178. $new_question_list = $_POST['question_id_list'];
  179. $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
  180. $counter = 1;
  181. foreach ($new_question_list as $new_order_id) {
  182. Database::update(
  183. $TBL_QUESTIONS,
  184. array('question_order' => $counter),
  185. array('question_id = ? AND c_id = ? AND exercice_id = ? ' => array(intval($new_order_id), $course_id, $exercise_id)))
  186. ;
  187. $counter++;
  188. }
  189. echo Display::return_message(get_lang('Saved'), 'confirmation');
  190. }
  191. break;
  192. case 'add_question_to_reminder':
  193. /** @var Exercise $objExercise */
  194. $objExercise = Session::read('objExercise');
  195. if (empty($objExercise)) {
  196. echo 0;
  197. exit;
  198. } else {
  199. $objExercise->edit_question_to_remind(
  200. $_REQUEST['exe_id'],
  201. $_REQUEST['question_id'],
  202. $_REQUEST['action']
  203. );
  204. }
  205. break;
  206. case 'save_exercise_by_now':
  207. $course_info = api_get_course_info_by_id($course_id);
  208. $course_id = $course_info['real_id'];
  209. // Use have permissions?
  210. if (api_is_allowed_to_session_edit()) {
  211. // "all" or "simple" strings means that there's one or all questions exercise type
  212. $type = isset($_REQUEST['type']) ? $_REQUEST['type'] : null;
  213. // Questions choices.
  214. $choice = isset($_REQUEST['choice']) ? $_REQUEST['choice'] : null;
  215. // Hot spot coordinates from all questions.
  216. $hot_spot_coordinates = isset($_REQUEST['hotspot']) ? $_REQUEST['hotspot'] : null;
  217. // There is a reminder?
  218. $remind_list = isset($_REQUEST['remind_list']) && !empty($_REQUEST['remind_list']) ? array_keys($_REQUEST['remind_list']) : null;
  219. // Needed in manage_answer.
  220. $learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : 0;
  221. $learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : 0;
  222. // Attempt id.
  223. $exe_id = $_REQUEST['exe_id'];
  224. if ($debug) {
  225. error_log("exe_id = $exe_id");
  226. error_log("type = $type");
  227. error_log("choice = ".print_r($choice, 1)." ");
  228. error_log("hot_spot_coordinates = ".print_r($hot_spot_coordinates, 1));
  229. error_log("remind_list = ".print_r($remind_list, 1));
  230. }
  231. // Exercise information.
  232. /** @var Exercise $objExercise */
  233. $objExercise = Session::read('objExercise');
  234. // Question info.
  235. $question_id = isset($_REQUEST['question_id']) ? intval($_REQUEST['question_id']) : null;
  236. $question_list = Session::read('questionList');
  237. // If exercise or question is not set then exit.
  238. if (empty($question_list) || empty($objExercise)) {
  239. echo 'error';
  240. if ($debug) {
  241. if (empty($question_list)) {
  242. error_log("question_list is empty");
  243. }
  244. if (empty($objExercise)) {
  245. error_log("objExercise is empty");
  246. }
  247. }
  248. exit;
  249. }
  250. // Getting information of the current exercise.
  251. $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
  252. $exercise_id = $exercise_stat_info['exe_exo_id'];
  253. $attempt_list = array();
  254. // First time here we create an attempt (getting the exe_id).
  255. if (!empty($exercise_stat_info)) {
  256. // We know the user we get the exe_id.
  257. $exe_id = $exercise_stat_info['exe_id'];
  258. $total_score = $exercise_stat_info['exe_result'];
  259. //Getting the list of attempts
  260. $attempt_list = Event::getAllExerciseEventByExeId($exe_id);
  261. }
  262. // Updating Reminder algorythm.
  263. if ($objExercise->type == ONE_PER_PAGE) {
  264. $bd_reminder_list = explode(',', $exercise_stat_info['questions_to_check']);
  265. if (empty($remind_list)) {
  266. $remind_list = $bd_reminder_list;
  267. $new_list = array();
  268. foreach ($bd_reminder_list as $item) {
  269. if ($item != $question_id) {
  270. $new_list[] = $item;
  271. }
  272. }
  273. $remind_list = $new_list;
  274. } else {
  275. if (isset($remind_list[0])) {
  276. if (!in_array($remind_list[0], $bd_reminder_list)) {
  277. array_push($bd_reminder_list, $remind_list[0]);
  278. }
  279. $remind_list = $bd_reminder_list;
  280. }
  281. }
  282. }
  283. // No exe id? Can't save answer.
  284. if (empty($exe_id)) {
  285. // Fires an error.
  286. echo 'error';
  287. if ($debug) {
  288. error_log("exe_id is empty");
  289. }
  290. exit;
  291. }
  292. Session::write('exe_id', $exe_id);
  293. // Getting the total weight if the request is simple
  294. $total_weight = 0;
  295. if ($type == 'simple') {
  296. foreach ($question_list as $my_question_id) {
  297. $objQuestionTmp = Question::read($my_question_id, $course_id);
  298. $total_weight += $objQuestionTmp->selectWeighting();
  299. }
  300. }
  301. unset($objQuestionTmp);
  302. // Looping the question list
  303. foreach ($question_list as $my_question_id) {
  304. if ($debug) {
  305. error_log("Saving question_id = $my_question_id ");
  306. }
  307. if ($type == 'simple' && $question_id != $my_question_id) {
  308. continue;
  309. }
  310. $my_choice = isset($choice[$my_question_id]) ? $choice[$my_question_id] : null;
  311. if ($debug) {
  312. error_log("my_choice = ".print_r($my_choice, 1)."");
  313. }
  314. // Creates a temporary Question object
  315. $objQuestionTmp = Question::read($my_question_id, $course_id);
  316. // Getting free choice data.
  317. if (
  318. ($objQuestionTmp->type == FREE_ANSWER || $objQuestionTmp->type == ORAL_EXPRESSION)
  319. && $type == 'all'
  320. ) {
  321. $my_choice = isset($_REQUEST['free_choice'][$my_question_id]) && !empty($_REQUEST['free_choice'][$my_question_id])
  322. ? $_REQUEST['free_choice'][$my_question_id]
  323. : null;
  324. }
  325. if ($type == 'all') {
  326. $total_weight += $objQuestionTmp->selectWeighting();
  327. }
  328. // This variable came from exercise_submit_modal.php.
  329. $hotspot_delineation_result = null;
  330. if (isset($_SESSION['hotspot_delineation_result']) && isset($_SESSION['hotspot_delineation_result'][$objExercise->selectId()])) {
  331. $hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$my_question_id];
  332. }
  333. if ($type == 'simple') {
  334. // Getting old attempt in order to decrees the total score.
  335. $old_result = $objExercise->manage_answer(
  336. $exe_id,
  337. $my_question_id,
  338. null,
  339. 'exercise_show',
  340. array(),
  341. false,
  342. true,
  343. false,
  344. $objExercise->selectPropagateNeg(),
  345. array()
  346. );
  347. // Removing old score.
  348. $total_score = $total_score - $old_result['score'];
  349. }
  350. // Deleting old attempt
  351. if (isset($attempt_list) && !empty($attempt_list[$my_question_id])) {
  352. if ($debug) {
  353. error_log("delete_attempt exe_id : $exe_id, my_question_id: $my_question_id");
  354. }
  355. Event::delete_attempt(
  356. $exe_id,
  357. api_get_user_id(),
  358. $course_id,
  359. $session_id,
  360. $my_question_id
  361. );
  362. if ($objQuestionTmp->type == HOT_SPOT) {
  363. Event::delete_attempt_hotspot(
  364. $exe_id,
  365. api_get_user_id(),
  366. $course_id,
  367. $session_id,
  368. $my_question_id
  369. );
  370. }
  371. if (isset($attempt_list[$my_question_id]) &&
  372. isset($attempt_list[$my_question_id]['marks'])
  373. ) {
  374. $total_score -= $attempt_list[$my_question_id]['marks'];
  375. }
  376. }
  377. // We're inside *one* question. Go through each possible answer for this question
  378. $result = $objExercise->manage_answer(
  379. $exe_id,
  380. $my_question_id,
  381. $my_choice,
  382. 'exercise_result',
  383. $hot_spot_coordinates,
  384. true,
  385. false,
  386. false,
  387. $objExercise->selectPropagateNeg(),
  388. $hotspot_delineation_result
  389. );
  390. // Adding the new score.
  391. $total_score += $result['score'];
  392. if ($debug) {
  393. error_log("total_score: $total_score ");
  394. error_log("total_weight: $total_weight ");
  395. }
  396. $duration = 0;
  397. $now = time();
  398. if ($type == 'all') {
  399. $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
  400. }
  401. $key = ExerciseLib::get_time_control_key(
  402. $exercise_id,
  403. $exercise_stat_info['orig_lp_id'],
  404. $exercise_stat_info['orig_lp_item_id']
  405. );
  406. if (isset($_SESSION['duration_time'][$key]) && !empty($_SESSION['duration_time'][$key])) {
  407. $duration = $now - $_SESSION['duration_time'][$key];
  408. if (!empty($exercise_stat_info['exe_duration'])) {
  409. $duration += $exercise_stat_info['exe_duration'];
  410. }
  411. $duration = intval($duration);
  412. } else {
  413. if (!empty($exercise_stat_info['exe_duration'])) {
  414. $duration = $exercise_stat_info['exe_duration'];
  415. }
  416. }
  417. $_SESSION['duration_time'][$key] = time();
  418. Event::update_event_exercise(
  419. $exe_id,
  420. $objExercise->selectId(),
  421. $total_score,
  422. $total_weight,
  423. $session_id,
  424. $exercise_stat_info['orig_lp_id'],
  425. $exercise_stat_info['orig_lp_item_id'],
  426. $exercise_stat_info['orig_lp_item_view_id'],
  427. $duration,
  428. $question_list,
  429. 'incomplete',
  430. $remind_list
  431. );
  432. // Destruction of the Question object
  433. unset($objQuestionTmp);
  434. if ($debug) {
  435. error_log(" -- end question -- ");
  436. }
  437. }
  438. if ($debug) {
  439. error_log(" ------ end ajax call ------- ");
  440. }
  441. }
  442. if ($objExercise->type == ONE_PER_PAGE) {
  443. echo 'one_per_page';
  444. exit;
  445. }
  446. echo 'ok';
  447. break;
  448. case 'show_question':
  449. $isAllowedToEdit = api_is_allowed_to_edit(null, true, false, false);
  450. if (!$isAllowedToEdit) {
  451. api_not_allowed(true);
  452. exit;
  453. }
  454. $questionId = isset($_GET['question']) ? intval($_GET['question']) : 0;
  455. $exerciseId = isset($_REQUEST['exercise']) ? intval($_REQUEST['exercise']) : 0;
  456. if (!$questionId || !$exerciseId) {
  457. break;
  458. }
  459. $objExercise = new Exercise();
  460. $objExercise->read($exerciseId);
  461. $objQuestion = Question::read($questionId);
  462. $objQuestion->get_question_type_name();
  463. echo '<p class="lead">'.$objQuestion->get_question_type_name().'</p>';
  464. //echo get_lang('Level').': '.$objQuestionTmp->selectLevel();
  465. ExerciseLib::showQuestion(
  466. $questionId,
  467. false,
  468. null,
  469. null,
  470. false,
  471. true,
  472. false,
  473. true,
  474. $objExercise->feedback_type,
  475. true
  476. );
  477. break;
  478. default:
  479. echo '';
  480. }
  481. exit;