dropbox_class.inc.php 23 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Dropbox module for Chamilo
  5. * Classes for the dropbox module.
  6. *
  7. * 3 classes have been defined:
  8. * - Dropbox_Work:
  9. * . id
  10. * . uploader_id => who sent it
  11. * . uploaderName
  12. * . filename => name of file stored on the server
  13. * . filesize
  14. * . title => name of file returned to user. This is the original name of the file
  15. * except when the original name contained spaces. In that case the spaces
  16. * will be replaced by _
  17. * . description
  18. * . author
  19. * . upload_date => date when file was first sent
  20. * . last_upload_date => date when file was last sent
  21. * . isOldWork => has the work already been uploaded before
  22. *
  23. * . feedback_date => date of most recent feedback
  24. * . feedback => feedback text (or HTML?)
  25. *
  26. * - Dropbox_SentWork extends Dropbox_Work
  27. * . recipients => array of ["id"]["name"] lists the recipients of the work
  28. *
  29. * - Dropbox_Person:
  30. * . userId
  31. * . receivedWork => array of Dropbox_Work objects
  32. * . sentWork => array of Dropbox_SentWork objects
  33. * . isCourseTutor
  34. * . isCourseAdmin
  35. * . _orderBy => private property used for determining the field by which the works have to be ordered
  36. *
  37. * @version 1.30
  38. * @copyright 2004
  39. * @author Jan Bols <jan@ivpv.UGent.be>
  40. * with contributions by René Haentjens <rene.haentjens@UGent.be>
  41. * @package chamilo.dropbox
  42. */
  43. class Dropbox_Work {
  44. public $id;
  45. public $uploader_id;
  46. public $uploaderName;
  47. public $filename;
  48. public $filesize;
  49. public $title;
  50. public $description;
  51. public $author;
  52. public $upload_date;
  53. public $last_upload_date;
  54. public $isOldWork;
  55. public $feedback_date, $feedback;
  56. /**
  57. * Constructor calls private functions to create a new work or retreive an existing work from DB
  58. * depending on the number of parameters
  59. *
  60. * @param unknown_type $arg1
  61. * @param unknown_type $arg2
  62. * @param unknown_type $arg3
  63. * @param unknown_type $arg4
  64. * @param unknown_type $arg5
  65. * @param unknown_type $arg6
  66. * @return Dropbox_Work
  67. */
  68. function Dropbox_Work($arg1, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null) {
  69. if (func_num_args() > 1) {
  70. $this->_createNewWork($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
  71. } else {
  72. $this->_createExistingWork($arg1);
  73. }
  74. }
  75. /**
  76. * private function creating a new work object
  77. *
  78. * @param unknown_type $uploader_id
  79. * @param unknown_type $title
  80. * @param unknown_type $description
  81. * @param unknown_type $author
  82. * @param unknown_type $filename
  83. * @param unknown_type $filesize
  84. *
  85. * @todo $author was originally a field but this has now been replaced by the first and lastname of the uploader (to prevent anonymous uploads)
  86. * As a consequence this parameter can be removed
  87. */
  88. function _createNewWork($uploader_id, $title, $description, $author, $filename, $filesize) {
  89. global $_user, $dropbox_cnf;
  90. // Do some sanity checks
  91. settype($uploader_id, 'integer') or die(get_lang('GeneralError').' (code 201)'); //set $uploader_id to correct type
  92. //if (! isCourseMember($uploader_id)) die(); //uploader must be coursemember to be able to upload
  93. //-->this check is done when submitting data so it isn't checked here
  94. // Fill in the properties
  95. $this->uploader_id = $uploader_id;
  96. $this->uploaderName = getUserNameFromId($this->uploader_id);
  97. $this->filename = $filename;
  98. $this->filesize = $filesize;
  99. $this->title = $title;
  100. $this->description = $description;
  101. $this->author = api_get_person_name($_user['firstName'], $_user['lastName']);
  102. $this->last_upload_date = api_get_utc_datetime();
  103. $course_id = api_get_course_int_id();
  104. // Check if object exists already. If it does, the old object is used
  105. // with updated information (authors, descriptio, upload_date)
  106. $this->isOldWork = false;
  107. $sql = "SELECT id, upload_date FROM ".$dropbox_cnf['tbl_file']."
  108. WHERE c_id = $course_id AND filename = '".Database::escape_string($this->filename)."'";
  109. $result = Database::query($sql);
  110. $res = Database::fetch_array($result);
  111. if ($res) {
  112. $this->isOldWork = true;
  113. }
  114. // Insert or update the dropbox_file table and set the id property
  115. if ($this->isOldWork) {
  116. $this->id = $res['id'];
  117. $this->upload_date = $res['upload_date'];
  118. $sql = "UPDATE ".$dropbox_cnf["tbl_file"]." SET
  119. filesize = '".Database::escape_string($this->filesize)."' ,
  120. title = '".Database::escape_string($this->title)."',
  121. description = '".Database::escape_string($this->description)."',
  122. author = '".Database::escape_string($this->author)."',
  123. last_upload_date = '".Database::escape_string($this->last_upload_date)."'
  124. WHERE c_id = $course_id AND id='".Database::escape_string($this->id)."'";
  125. $result = Database::query($sql);
  126. } else {
  127. $this->upload_date = $this->last_upload_date;
  128. $sql = "INSERT INTO ".$dropbox_cnf['tbl_file']." (c_id, uploader_id, filename, filesize, title, description, author, upload_date, last_upload_date, session_id)
  129. VALUES ( $course_id,
  130. '".Database::escape_string($this->uploader_id)."'
  131. , '".Database::escape_string($this->filename)."'
  132. , '".Database::escape_string($this->filesize)."'
  133. , '".Database::escape_string($this->title)."'
  134. , '".Database::escape_string($this->description)."'
  135. , '".Database::escape_string($this->author)."'
  136. , '".Database::escape_string($this->upload_date)."'
  137. , '".Database::escape_string($this->last_upload_date)."'
  138. , ".intval($_SESSION['id_session'])."
  139. )";
  140. $result = Database::query($sql);
  141. $this->id = Database::insert_id(); // Get automatically inserted id
  142. }
  143. // Insert entries into person table
  144. $sql = "INSERT INTO ".$dropbox_cnf['tbl_person']." (c_id, file_id, user_id)
  145. VALUES ($course_id,
  146. '".Database::escape_string($this->id)."'
  147. , '".Database::escape_string($this->uploader_id)."'
  148. )";
  149. $result = Database::query($sql); //if work already exists no error is generated
  150. }
  151. /**
  152. * private function creating existing object by retreiving info from db
  153. *
  154. * @param unknown_type $id
  155. */
  156. function _createExistingWork($id) {
  157. $course_id = api_get_course_int_id();
  158. global $_user, $dropbox_cnf;
  159. // Do some sanity checks
  160. settype($id, 'integer') or die(get_lang('GeneralError').' (code 205)'); // Set $id to correct type
  161. $id = intval($id);
  162. // Get the data from DB
  163. $sql = "SELECT uploader_id, filename, filesize, title, description, author, upload_date, last_upload_date, cat_id
  164. FROM ".$dropbox_cnf['tbl_file']."
  165. WHERE c_id = $course_id AND id = '".Database::escape_string($id)."'";
  166. $result = Database::query($sql);
  167. $res = Database::fetch_array($result, 'ASSOC');
  168. // Check if uploader is still in Chamilo system
  169. $uploader_id = stripslashes($res['uploader_id']);
  170. $uploaderName = getUserNameFromId($uploader_id);
  171. if (!$uploaderName) {
  172. //deleted user
  173. $this->uploader_id = -1;
  174. $this->uploaderName = get_lang('Unknown', '');
  175. } else {
  176. $this->uploader_id = $uploader_id;
  177. $this->uploaderName = $uploaderName;
  178. }
  179. // Fill in properties
  180. $this->id = $id;
  181. $this->filename = stripslashes($res['filename']);
  182. $this->filesize = stripslashes($res['filesize']);
  183. $this->title = stripslashes($res['title']);
  184. $this->description = stripslashes($res['description']);
  185. $this->author = stripslashes($res['author']);
  186. $this->upload_date = stripslashes($res['upload_date']);
  187. $this->last_upload_date = stripslashes($res['last_upload_date']);
  188. $this->category = $res['cat_id'];
  189. // Getting the feedback on the work.
  190. if ($_GET['action'] == 'viewfeedback' AND $this->id == $_GET['id']) {
  191. $feedback2 = array();
  192. $sql_feedback = "SELECT * FROM ".$dropbox_cnf['tbl_feedback']." WHERE c_id = $course_id AND file_id='".$id."' ORDER BY feedback_id ASC";
  193. $result = Database::query($sql_feedback);
  194. while ($row_feedback = Database::fetch_array($result)) {
  195. $row_feedback['feedback'] = Security::remove_XSS($row_feedback['feedback']);
  196. $feedback2[] = $row_feedback;
  197. }
  198. $this->feedback2= $feedback2;
  199. }
  200. }
  201. }
  202. class Dropbox_SentWork extends Dropbox_Work
  203. {
  204. public $recipients; //array of ['id']['name'] arrays
  205. /**
  206. * Constructor calls private functions to create a new work or retreive an existing work from DB
  207. * depending on the number of parameters
  208. *
  209. * @param unknown_type $arg1
  210. * @param unknown_type $arg2
  211. * @param unknown_type $arg3
  212. * @param unknown_type $arg4
  213. * @param unknown_type $arg5
  214. * @param unknown_type $arg6
  215. * @param unknown_type $arg7
  216. * @return Dropbox_SentWork
  217. */
  218. function Dropbox_SentWork($arg1, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null, $arg7 = null) {
  219. if (func_num_args() > 1) {
  220. $this->_createNewSentWork($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
  221. } else {
  222. $this->_createExistingSentWork($arg1);
  223. }
  224. }
  225. /**
  226. * private function creating a new SentWork object
  227. *
  228. * @param unknown_type $uploader_id
  229. * @param unknown_type $title
  230. * @param unknown_type $description
  231. * @param unknown_type $author
  232. * @param unknown_type $filename
  233. * @param unknown_type $filesize
  234. * @param unknown_type $recipient_ids
  235. */
  236. function _createNewSentWork($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids) {
  237. global $dropbox_cnf;
  238. // Call constructor of Dropbox_Work object
  239. $this->Dropbox_Work($uploader_id, $title, $description, $author, $filename, $filesize);
  240. $course_id = api_get_course_int_id();
  241. // Do sanity checks on recipient_ids array & property fillin
  242. // The sanity check for ex-coursemembers is already done in base constructor
  243. settype($uploader_id, 'integer') or die(get_lang('GeneralError').' (code 208)'); // Set $uploader_id to correct type
  244. $justSubmit = false;
  245. if ( is_int($recipient_ids)) {
  246. $justSubmit = true;
  247. $recipient_ids = array($recipient_ids + $this->id);
  248. } elseif ( count($recipient_ids) == 0) {
  249. $justSubmit = true;
  250. $recipient_ids = array($uploader_id);
  251. }
  252. if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
  253. die(get_lang('GeneralError').' (code 209)');
  254. }
  255. foreach ($recipient_ids as $rec) {
  256. if (empty($rec)) die(get_lang('GeneralError').' (code 210)');
  257. //if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
  258. //this check is done when validating submitted data
  259. $this->recipients[] = array('id' => $rec, 'name' => getUserNameFromId($rec));
  260. }
  261. $table_post = $dropbox_cnf['tbl_post'];
  262. $table_person = $dropbox_cnf['tbl_person'];
  263. $session_id = api_get_session_id();
  264. $uploader_id = $this->uploader_id;
  265. // Insert data in dropbox_post and dropbox_person table for each recipient
  266. foreach ($this->recipients as $rec) {
  267. $file_id = (int)$this->id;
  268. $user_id = (int)$rec['id'];
  269. $sql = "INSERT INTO $table_post (c_id, file_id, dest_user_id, session_id)
  270. VALUES ($course_id, $file_id, $user_id, $session_id)";
  271. $result = Database::query($sql);
  272. // If work already exists no error is generated
  273. /**
  274. * Poster is already added when work is created - not so good to split logic
  275. */
  276. //if ($user_id != $user_id) {
  277. // Insert entries into person table
  278. $sql = "INSERT INTO $table_person (c_id, file_id, user_id)
  279. VALUES ($course_id, $file_id, $user_id)";
  280. // Do not add recipient in person table if mailing zip or just upload.
  281. if (!$justSubmit) {
  282. $result = Database::query($sql); // If work already exists no error is generated
  283. }
  284. //}
  285. // Update item_property table for each recipient
  286. global $_course, $dropbox_cnf;
  287. if (($ownerid = $this->uploader_id) > $dropbox_cnf['mailingIdBase']) {
  288. $ownerid = getUserOwningThisMailing($ownerid);
  289. }
  290. if (($recipid = $rec["id"]) > $dropbox_cnf['mailingIdBase']) {
  291. $recipid = $ownerid; // mailing file recipient = mailing id, not a person
  292. }
  293. api_item_property_update($_course, TOOL_DROPBOX, $this->id, 'DropboxFileAdded', $ownerid, null, $recipid) ;
  294. }
  295. }
  296. /**
  297. * private function creating existing object by retreiving info from db
  298. *
  299. * @param unknown_type $id
  300. */
  301. function _createExistingSentWork ($id) {
  302. global $dropbox_cnf;
  303. $id = intval($id);
  304. $course_id = api_get_course_int_id();
  305. // Call constructor of Dropbox_Work object
  306. $this->Dropbox_Work($id);
  307. // Fill in recipients array
  308. $this->recipients = array();
  309. $sql = "SELECT dest_user_id, feedback_date, feedback
  310. FROM ".$dropbox_cnf['tbl_post']."
  311. WHERE c_id = $course_id AND file_id='".Database::escape_string($id)."'";
  312. $result = Database::query($sql);
  313. while ($res = Database::fetch_array($result, 'ASSOC')) {
  314. // Check for deleted users
  315. $dest_user_id = $res['dest_user_id'];
  316. $user_info = api_get_user_info($dest_user_id);
  317. //$this->category = $res['cat_id'];
  318. if (!$user_info) {
  319. $this->recipients[] = array('id' => -1, 'name' => get_lang('Unknown', ''));
  320. } else {
  321. $this->recipients[] = array(
  322. 'id' => $dest_user_id,
  323. 'name' => $user_info['complete_name'],
  324. 'user_id' => $dest_user_id,
  325. 'feedback_date' => $res['feedback_date'],
  326. 'feedback' => $res['feedback']);
  327. }
  328. }
  329. }
  330. }
  331. class Dropbox_Person
  332. {
  333. // The receivedWork and the sentWork arrays are sorted.
  334. public $receivedWork; // an array of Dropbox_Work objects
  335. public $sentWork; // an array of Dropbox_SentWork objects
  336. public $userId = 0;
  337. public $isCourseAdmin = false;
  338. public $isCourseTutor = false;
  339. public $_orderBy = ''; // private property that determines by which field
  340. /**
  341. * Constructor for recreating the Dropbox_Person object
  342. *
  343. * @param int $userId
  344. * @param bool $isCourseAdmin
  345. * @param bool $isCourseTutor
  346. * @return Dropbox_Person
  347. */
  348. function Dropbox_Person($userId, $isCourseAdmin, $isCourseTutor) {
  349. $course_id = api_get_course_int_id();
  350. // Fill in properties
  351. $this->userId = $userId;
  352. $this->isCourseAdmin = $isCourseAdmin;
  353. $this->isCourseTutor = $isCourseTutor;
  354. $this->receivedWork = array();
  355. $this->sentWork = array();
  356. // Note: perhaps include an ex coursemember check to delete old files
  357. $session_id = api_get_session_id();
  358. $condition_session = api_get_session_condition($session_id);
  359. $post_tbl = Database::get_course_table(TABLE_DROPBOX_POST);
  360. $person_tbl = Database::get_course_table(TABLE_DROPBOX_PERSON);
  361. $file_tbl = Database::get_course_table(TABLE_DROPBOX_FILE);
  362. // Find all entries where this person is the recipient
  363. $sql = "SELECT DISTINCT r.file_id, r.cat_id
  364. FROM $post_tbl r INNER JOIN $person_tbl p
  365. ON (r.file_id = p.file_id AND r.c_id = $course_id AND p.c_id = $course_id )
  366. WHERE
  367. p.user_id = ".intval($this->userId)." AND
  368. r.dest_user_id = ".intval($this->userId)." $condition_session ";
  369. $result = Database::query($sql);
  370. while ($res = Database::fetch_array($result)) {
  371. $temp = new Dropbox_Work($res['file_id']);
  372. $temp->category = $res['cat_id'];
  373. $this->receivedWork[] = $temp;
  374. }
  375. // Find all entries where this person is the sender/uploader
  376. $sql = "SELECT DISTINCT f.id
  377. FROM $file_tbl f INNER JOIN $person_tbl p
  378. ON (f.id = p.file_id AND f.c_id = $course_id AND p.c_id = $course_id)
  379. WHERE
  380. f.uploader_id = '".Database::escape_string($this->userId)."' AND
  381. p.user_id = '".Database::escape_string($this->userId)."'
  382. $condition_session
  383. ";
  384. $result = Database::query($sql);
  385. while ($res = Database::fetch_array($result)) {
  386. $this->sentWork[] = new Dropbox_SentWork($res['id']);
  387. }
  388. }
  389. /**
  390. * This private method is used by the usort function in the
  391. * orderSentWork and orderReceivedWork methods.
  392. * It compares 2 work-objects by 1 of the properties of that object, dictated by the
  393. * private property _orderBy
  394. *
  395. * @param unknown_type $a
  396. * @param unknown_type $b
  397. * @return -1, 0 or 1 dependent of the result of the comparison.
  398. */
  399. function _cmpWork($a, $b) {
  400. $sort = $this->_orderBy;
  401. $aval = $a->$sort;
  402. $bval = $b->$sort;
  403. if ($sort == 'recipients') { // The recipients property is an array so we do the comparison based on the first item of the recipients array
  404. $aval = $aval[0]['name'];
  405. $bval = $bval[0]['name'];
  406. }
  407. if ($sort == 'filesize') { // Filesize is not a string, so we use other comparison technique
  408. return $aval < $bval ? -1 : 1;
  409. } elseif ($sort == 'title') { // Natural order for sorting titles is more "human-friendly"
  410. return api_strnatcmp($aval, $bval);
  411. } else {
  412. return api_strcasecmp($aval, $bval);
  413. }
  414. }
  415. /**
  416. * A method that sorts the objects in the sentWork array, dependent on the $sort parameter.
  417. * $sort can be lastDate, firstDate, title, size, ...
  418. *
  419. * @param unknown_type $sort
  420. */
  421. function orderSentWork($sort) {
  422. switch($sort) {
  423. case 'lastDate':
  424. $this->_orderBy = 'last_upload_date';
  425. break;
  426. case 'firstDate':
  427. $this->_orderBy = 'upload_date';
  428. break;
  429. case 'title':
  430. $this->_orderBy = 'title';
  431. break;
  432. case 'size':
  433. $this->_orderBy = 'filesize';
  434. break;
  435. case 'author':
  436. $this->_orderBy = 'author';
  437. break;
  438. case 'recipient':
  439. $this->_orderBy = 'recipients';
  440. break;
  441. default:
  442. $this->_orderBy = 'last_upload_date';
  443. }
  444. usort($this->sentWork, array($this, '_cmpWork'));
  445. }
  446. /**
  447. * method that sorts the objects in the receivedWork array, dependent on the $sort parameter.
  448. * $sort can be lastDate, firstDate, title, size, ...
  449. * @param unknown_type $sort
  450. */
  451. function orderReceivedWork($sort) {
  452. switch($sort) {
  453. case 'lastDate':
  454. $this->_orderBy = 'last_upload_date';
  455. break;
  456. case 'firstDate':
  457. $this->_orderBy = 'upload_date';
  458. break;
  459. case 'title':
  460. $this->_orderBy = 'title';
  461. break;
  462. case 'size':
  463. $this->_orderBy = 'filesize';
  464. break;
  465. case 'author':
  466. $this->_orderBy = 'author';
  467. break;
  468. case 'sender':
  469. $this->_orderBy = 'uploaderName';
  470. break;
  471. default:
  472. $this->_orderBy = 'last_upload_date';
  473. }
  474. usort($this->receivedWork, array($this, '_cmpWork'));
  475. }
  476. /**
  477. * Deletes all the received work of this person
  478. */
  479. function deleteAllReceivedWork () {
  480. $course_id = api_get_course_int_id();
  481. global $dropbox_cnf;
  482. // Delete entries in person table concerning received works
  483. foreach ($this->receivedWork as $w) {
  484. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$w->id."'");
  485. }
  486. removeUnusedFiles(); // Check for unused files
  487. }
  488. /**
  489. * Deletes all the received categories and work of this person
  490. */
  491. function deleteReceivedWorkFolder($id) {
  492. global $dropbox_cnf;
  493. $course_id = api_get_course_int_id();
  494. $id = intval($id);
  495. $sql = "DELETE FROM ".$dropbox_cnf['tbl_file']." WHERE c_id = $course_id AND cat_id = '".$id."' ";
  496. if (!Database::query($sql)) return false;
  497. $sql = "DELETE FROM ".$dropbox_cnf['tbl_category']." WHERE c_id = $course_id AND cat_id = '".$id."' ";
  498. if (!Database::query($sql)) return false;
  499. $sql = "DELETE FROM ".$dropbox_cnf['tbl_post']." WHERE c_id = $course_id AND cat_id = '".$id."' ";
  500. if (!Database::query($sql)) return false;
  501. return true;
  502. }
  503. /**
  504. * Deletes a received dropbox file of this person with id=$id
  505. *
  506. * @param integer $id
  507. */
  508. function deleteReceivedWork($id) {
  509. $course_id = api_get_course_int_id();
  510. global $dropbox_cnf;
  511. $id = intval($id);
  512. // index check
  513. $found = false;
  514. foreach ($this->receivedWork as $w) {
  515. if ($w->id == $id) {
  516. $found = true;
  517. break;
  518. }
  519. }
  520. if (!$found) {
  521. if(!$this->deleteReceivedWorkFolder($id)) {
  522. die(get_lang('GeneralError').' (code 216)');
  523. }
  524. }
  525. // Delete entries in person table concerning received works
  526. $sql = "DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE c_id = $course_id AND user_id = '".$this->userId."' AND file_id ='".$id."'";
  527. Database::query($sql);
  528. removeUnusedFiles(); // Check for unused files
  529. }
  530. /**
  531. * Deletes all the sent dropbox files of this person
  532. */
  533. function deleteAllSentWork() {
  534. $course_id = api_get_course_int_id();
  535. global $dropbox_cnf;
  536. //delete entries in person table concerning sent works
  537. foreach ($this->sentWork as $w) {
  538. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$w->id."'");
  539. removeMoreIfMailing($w->id);
  540. }
  541. removeUnusedFiles(); // Check for unused files
  542. }
  543. /**
  544. * Deletes a sent dropbox file of this person with id=$id
  545. *
  546. * @param unknown_type $id
  547. */
  548. function deleteSentWork($id) {
  549. $course_id = api_get_course_int_id();
  550. global $dropbox_cnf;
  551. $id = intval($id);
  552. // index check
  553. $found = false;
  554. foreach ($this->sentWork as $w) {
  555. if ($w->id == $id) {
  556. $found = true;
  557. break;
  558. }
  559. }
  560. if (!$found) {
  561. if (!$this->deleteReceivedWorkFolder($id)) {
  562. die(get_lang('GeneralError').' (code 219)');
  563. }
  564. }
  565. //$file_id = $this->sentWork[$index]->id;
  566. // Delete entries in person table concerning sent works
  567. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE c_id = $course_id AND user_id='".$this->userId."' AND file_id='".$id."'");
  568. removeMoreIfMailing($id);
  569. removeUnusedFiles(); // Check for unused files
  570. }
  571. /**
  572. * Updates feedback for received work of this person with id=$id
  573. *
  574. * @param unknown_type $id
  575. * @param unknown_type $text
  576. */
  577. function updateFeedback($id, $text) {
  578. $course_id = api_get_course_int_id();
  579. global $_course, $dropbox_cnf;
  580. $id = intval($id);
  581. // index check
  582. $found = false;
  583. $wi = -1;
  584. foreach ($this->receivedWork as $w) {
  585. $wi++;
  586. if ($w->id == $id){
  587. $found = true;
  588. break;
  589. } // foreach (... as $wi -> $w) gives error 221! (no idea why...)
  590. }
  591. if (!$found) {
  592. die(get_lang('GeneralError').' (code 221)');
  593. }
  594. $feedback_date = date('Y-m-d H:i:s', time());
  595. $this->receivedWork[$wi]->feedback_date = $feedback_date;
  596. $this->receivedWork[$wi]->feedback = $text;
  597. Database::query("UPDATE ".$dropbox_cnf['tbl_post']." SET feedback_date='".
  598. Database::escape_string($feedback_date)."', feedback='".Database::escape_string($text).
  599. "' WHERE c_id = $course_id AND dest_user_id='".$this->userId."' AND file_id='".$id."'");
  600. // Update item_property table
  601. if (($ownerid = $this->receivedWork[$wi]->uploader_id) > $dropbox_cnf['mailingIdBase']) {
  602. $ownerid = getUserOwningThisMailing($ownerid);
  603. }
  604. api_item_property_update($_course, TOOL_DROPBOX, $this->receivedWork[$wi]->id, 'DropboxFileUpdated', $this->userId, null, $ownerid) ;
  605. }
  606. /**
  607. * Filter the received work
  608. * @param string $type
  609. * @param string $value
  610. */
  611. function filter_received_work($type, $value) {
  612. global $dropbox_cnf;
  613. $new_received_work = array();
  614. foreach ($this->receivedWork as $index => $work) {
  615. switch ($type) {
  616. case 'uploader_id':
  617. if ($work->uploader_id == $value ||
  618. ($work->uploader_id > $dropbox_cnf['mailingIdBase'] && getUserOwningThisMailing($work->uploader_id) == $value)) {
  619. $new_received_work[] = $work;
  620. }
  621. break;
  622. default:
  623. $new_received_work[] = $work;
  624. }
  625. }
  626. $this->receivedWork = $new_received_work;
  627. }
  628. }