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 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($this->last_upload_date)."'
  124. WHERE id='".Database::escape_string($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. global $_user, $dropbox_cnf;
  158. // Do some sanity checks
  159. settype($id, 'integer') or die(get_lang('GeneralError').' (code 205)'); // Set $id to correct type
  160. $id = intval($id);
  161. // Get the data from DB
  162. $sql = "SELECT uploader_id, filename, filesize, title, description, author, upload_date, last_upload_date, cat_id
  163. FROM ".$dropbox_cnf['tbl_file']."
  164. WHERE id='".Database::escape_string($id)."'";
  165. $result = Database::query($sql);
  166. $res = Database::fetch_array($result, 'ASSOC');
  167. // Check if uploader is still in Chamilo system
  168. $uploader_id = stripslashes($res['uploader_id']);
  169. $uploaderName = getUserNameFromId($uploader_id);
  170. if (!$uploaderName) {
  171. //deleted user
  172. $this->uploader_id = -1;
  173. $this->uploaderName = get_lang('Unknown', '');
  174. } else {
  175. $this->uploader_id = $uploader_id;
  176. $this->uploaderName = $uploaderName;
  177. }
  178. // Fill in properties
  179. $this->id = $id;
  180. $this->filename = stripslashes($res['filename']);
  181. $this->filesize = stripslashes($res['filesize']);
  182. $this->title = stripslashes($res['title']);
  183. $this->description = stripslashes($res['description']);
  184. $this->author = stripslashes($res['author']);
  185. $this->upload_date = stripslashes($res['upload_date']);
  186. $this->last_upload_date = stripslashes($res['last_upload_date']);
  187. $this->category = $res['cat_id'];
  188. // Getting the feedback on the work.
  189. if ($_GET['action'] == 'viewfeedback' AND $this->id == $_GET['id']) {
  190. $feedback2 = array();
  191. $sql_feedback = "SELECT * FROM ".$dropbox_cnf['tbl_feedback']." WHERE file_id='".$id."' ORDER BY feedback_id ASC";
  192. $result = Database::query($sql_feedback);
  193. while ($row_feedback = Database::fetch_array($result)) {
  194. $row_feedback['feedback'] = Security::remove_XSS($row_feedback['feedback']);
  195. $feedback2[] = $row_feedback;
  196. }
  197. $this->feedback2= $feedback2;
  198. }
  199. /*
  200. $result = Database::query("SELECT feedback_date, feedback, cat_id FROM ".
  201. dropbox_cnf('tbl_post')." WHERE dest_user_id='".$_user['user_id'].
  202. "' AND file_id='".$id."'");
  203. if ($res = Database::fetch_array($result)) {
  204. $this->feedback_date = $res['feedback_date'];
  205. $this->feedback = $res['feedback'];
  206. $this->category = $res['cat_id'];
  207. } // do not fail if there is no recipient = current user...*/
  208. }
  209. }
  210. class Dropbox_SentWork extends Dropbox_Work
  211. {
  212. public $recipients; //array of ['id']['name'] arrays
  213. /**
  214. * Constructor calls private functions to create a new work or retreive an existing work from DB
  215. * depending on the number of parameters
  216. *
  217. * @param unknown_type $arg1
  218. * @param unknown_type $arg2
  219. * @param unknown_type $arg3
  220. * @param unknown_type $arg4
  221. * @param unknown_type $arg5
  222. * @param unknown_type $arg6
  223. * @param unknown_type $arg7
  224. * @return Dropbox_SentWork
  225. */
  226. function Dropbox_SentWork($arg1, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null, $arg7 = null) {
  227. if (func_num_args() > 1) {
  228. $this->_createNewSentWork($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
  229. } else {
  230. $this->_createExistingSentWork($arg1);
  231. }
  232. }
  233. /**
  234. * private function creating a new SentWork object
  235. *
  236. * @param unknown_type $uploader_id
  237. * @param unknown_type $title
  238. * @param unknown_type $description
  239. * @param unknown_type $author
  240. * @param unknown_type $filename
  241. * @param unknown_type $filesize
  242. * @param unknown_type $recipient_ids
  243. */
  244. function _createNewSentWork($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids) {
  245. global $dropbox_cnf;
  246. // Call constructor of Dropbox_Work object
  247. $this->Dropbox_Work($uploader_id, $title, $description, $author, $filename, $filesize);
  248. $course_id = api_get_course_int_id();
  249. // Do sanity checks on recipient_ids array & property fillin
  250. // The sanity check for ex-coursemembers is already done in base constructor
  251. settype($uploader_id, 'integer') or die(get_lang('GeneralError').' (code 208)'); // Set $uploader_id to correct type
  252. $justSubmit = false;
  253. if ( is_int($recipient_ids)) {
  254. $justSubmit = true;
  255. $recipient_ids = array($recipient_ids + $this->id);
  256. } elseif ( count($recipient_ids) == 0) {
  257. $justSubmit = true;
  258. $recipient_ids = array($uploader_id);
  259. }
  260. if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
  261. die(get_lang('GeneralError').' (code 209)');
  262. }
  263. foreach ($recipient_ids as $rec) {
  264. if (empty($rec)) die(get_lang('GeneralError').' (code 210)');
  265. //if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
  266. //this check is done when validating submitted data
  267. $this->recipients[] = array('id' => $rec, 'name' => getUserNameFromId($rec));
  268. }
  269. // Insert data in dropbox_post and dropbox_person table for each recipient
  270. foreach ($this->recipients as $rec) {
  271. $sql = "INSERT INTO ".$dropbox_cnf['tbl_post']." (c_id, file_id, dest_user_id, session_id) VALUES
  272. ($course_id, '".Database::escape_string($this->id)."', '".Database::escape_string($rec['id'])."', ".intval($_SESSION['id_session']).")";
  273. $result = Database::query($sql); // If work already exists no error is generated
  274. // Insert entries into person table
  275. $sql = "INSERT INTO ".$dropbox_cnf['tbl_person']." (c_id, file_id, user_id)
  276. VALUES ($course_id, '".Database::escape_string($this->id)."', '".Database::escape_string($rec['id'])."')";
  277. // Do not add recipient in person table if mailing zip or just upload.
  278. if (!$justSubmit) {
  279. $result = Database::query($sql); // If work already exists no error is generated
  280. }
  281. // Update item_property table for each recipient
  282. global $_course, $dropbox_cnf;
  283. if (($ownerid = $this->uploader_id) > $dropbox_cnf['mailingIdBase']) {
  284. $ownerid = getUserOwningThisMailing($ownerid);
  285. }
  286. if (($recipid = $rec["id"]) > $dropbox_cnf['mailingIdBase']) {
  287. $recipid = $ownerid; // mailing file recipient = mailing id, not a person
  288. }
  289. api_item_property_update($_course, TOOL_DROPBOX, $this->id, 'DropboxFileAdded', $ownerid, null, $recipid) ;
  290. }
  291. }
  292. /**
  293. * private function creating existing object by retreiving info from db
  294. *
  295. * @param unknown_type $id
  296. */
  297. function _createExistingSentWork ($id) {
  298. global $dropbox_cnf;
  299. // Call constructor of Dropbox_Work object
  300. $this->Dropbox_Work($id);
  301. // Do sanity check. The sanity check for ex-coursemembers is already done in base constructor
  302. settype($id, 'integer') or die(get_lang('GeneralError').' (code 211)'); // Set $id to correct type
  303. // Fill in recipients array
  304. $this->recipients = array();
  305. $sql = "SELECT dest_user_id, feedback_date, feedback
  306. FROM ".$dropbox_cnf['tbl_post']."
  307. WHERE file_id='".Database::escape_string($id)."'";
  308. $result = Database::query($sql);
  309. while ($res = Database::fetch_array($result)) {
  310. // Check for deleted users
  311. $dest_user_id = $res['dest_user_id'];
  312. $recipientName = getUserNameFromId($dest_user_id);
  313. //$this->category = $res['cat_id'];
  314. if (!$recipientName) {
  315. $this->recipients[] = array('id' => -1, 'name' => get_lang('Unknown', ''));
  316. } else {
  317. $this->recipients[] = array('id' => $dest_user_id, 'name' => $recipientName, 'user_id' => $dest_user_id,
  318. 'feedback_date' => $res['feedback_date'], 'feedback' => $res['feedback']);
  319. }
  320. }
  321. }
  322. }
  323. class Dropbox_Person
  324. {
  325. // The receivedWork and the sentWork arrays are sorted.
  326. public $receivedWork; // an array of Dropbox_Work objects
  327. public $sentWork; // an array of Dropbox_SentWork objects
  328. public $userId = 0;
  329. public $isCourseAdmin = false;
  330. public $isCourseTutor = false;
  331. public $_orderBy = ''; // private property that determines by which field
  332. /**
  333. * Constructor for recreating the Dropbox_Person object
  334. *
  335. * @param unknown_type $userId
  336. * @param unknown_type $isCourseAdmin
  337. * @param unknown_type $isCourseTutor
  338. * @return Dropbox_Person
  339. */
  340. function Dropbox_Person ($userId, $isCourseAdmin, $isCourseTutor) {
  341. // Fill in properties
  342. $this->userId = $userId;
  343. $this->isCourseAdmin = $isCourseAdmin;
  344. $this->isCourseTutor = $isCourseTutor;
  345. $this->receivedWork = array();
  346. $this->sentWork = array();
  347. // Note: perhaps include an ex coursemember check to delete old files
  348. $session_id = api_get_session_id();
  349. $condition_session = api_get_session_condition($session_id);
  350. $course_id = api_get_course_int_id();
  351. $post_tbl = Database::get_course_table(TABLE_DROPBOX_POST);
  352. $person_tbl = Database::get_course_table(TABLE_DROPBOX_PERSON);
  353. $file_tbl = Database::get_course_table(TABLE_DROPBOX_FILE);
  354. // Find all entries where this person is the recipient
  355. $sql = "SELECT r.file_id, r.cat_id FROM $post_tbl r, $person_tbl p
  356. WHERE
  357. r.dest_user_id = '".Database::escape_string($this->userId)."' AND
  358. r.dest_user_id = p.user_id AND
  359. r.file_id = p.file_id $condition_session AND
  360. r.c_id = $course_id AND
  361. p.c_id = $course_id
  362. ";
  363. //if (intval($_SESSION['id_session']>0)) { $sql .= " AND r.session_id = ".intval($_SESSION['id_session']); }
  364. $result = Database::query($sql);
  365. while ($res = Database::fetch_array($result)) {
  366. $temp = new Dropbox_Work($res['file_id']);
  367. $temp -> category = $res['cat_id'];
  368. $this->receivedWork[] = $temp;
  369. }
  370. // Find all entries where this person is the sender/uploader
  371. $sql = "SELECT f.id
  372. FROM $file_tbl f, $person_tbl p
  373. WHERE
  374. f.uploader_id = '".Database::escape_string($this->userId)."' AND
  375. f.uploader_id = p.user_id AND
  376. f.id = p.file_id $condition_session AND
  377. f.c_id = $course_id AND
  378. p.c_id = $course_id
  379. ";
  380. //if(intval($_SESSION['id_session']>0)) { $sql .= " AND f.session_id = ".intval($_SESSION['id_session']); }
  381. $result = Database::query($sql);
  382. while ($res = Database::fetch_array($result)) {
  383. $this->sentWork[] = new Dropbox_SentWork($res['id']);
  384. }
  385. }
  386. /**
  387. * This private method is used by the usort function in the
  388. * orderSentWork and orderReceivedWork methods.
  389. * It compares 2 work-objects by 1 of the properties of that object, dictated by the
  390. * private property _orderBy
  391. *
  392. * @param unknown_type $a
  393. * @param unknown_type $b
  394. * @return -1, 0 or 1 dependent of the result of the comparison.
  395. */
  396. function _cmpWork($a, $b) {
  397. $sort = $this->_orderBy;
  398. $aval = $a->$sort;
  399. $bval = $b->$sort;
  400. if ($sort == 'recipients') { // The recipients property is an array so we do the comparison based on the first item of the recipients array
  401. $aval = $aval[0]['name'];
  402. $bval = $bval[0]['name'];
  403. }
  404. if ($sort == 'filesize') { // Filesize is not a string, so we use other comparison technique
  405. return $aval < $bval ? -1 : 1;
  406. } elseif ($sort == 'title') { // Natural order for sorting titles is more "human-friendly"
  407. return api_strnatcmp($aval, $bval);
  408. } else {
  409. return api_strcasecmp($aval, $bval);
  410. }
  411. }
  412. /**
  413. * A method that sorts the objects in the sentWork array, dependent on the $sort parameter.
  414. * $sort can be lastDate, firstDate, title, size, ...
  415. *
  416. * @param unknown_type $sort
  417. */
  418. function orderSentWork($sort) {
  419. switch($sort) {
  420. case 'lastDate':
  421. $this->_orderBy = 'last_upload_date';
  422. break;
  423. case 'firstDate':
  424. $this->_orderBy = 'upload_date';
  425. break;
  426. case 'title':
  427. $this->_orderBy = 'title';
  428. break;
  429. case 'size':
  430. $this->_orderBy = 'filesize';
  431. break;
  432. case 'author':
  433. $this->_orderBy = 'author';
  434. break;
  435. case 'recipient':
  436. $this->_orderBy = 'recipients';
  437. break;
  438. default:
  439. $this->_orderBy = 'last_upload_date';
  440. }
  441. usort($this->sentWork, array($this, '_cmpWork'));
  442. }
  443. /**
  444. * method that sorts the objects in the receivedWork array, dependent on the $sort parameter.
  445. * $sort can be lastDate, firstDate, title, size, ...
  446. * @param unknown_type $sort
  447. */
  448. function orderReceivedWork($sort) {
  449. switch($sort) {
  450. case 'lastDate':
  451. $this->_orderBy = 'last_upload_date';
  452. break;
  453. case 'firstDate':
  454. $this->_orderBy = 'upload_date';
  455. break;
  456. case 'title':
  457. $this->_orderBy = 'title';
  458. break;
  459. case 'size':
  460. $this->_orderBy = 'filesize';
  461. break;
  462. case 'author':
  463. $this->_orderBy = 'author';
  464. break;
  465. case 'sender':
  466. $this->_orderBy = 'uploaderName';
  467. break;
  468. default:
  469. $this->_orderBy = 'last_upload_date';
  470. }
  471. usort($this->receivedWork, array($this, '_cmpWork'));
  472. }
  473. /**
  474. * Deletes all the received work of this person
  475. */
  476. function deleteAllReceivedWork () {
  477. global $dropbox_cnf;
  478. // Delete entries in person table concerning received works
  479. foreach ($this->receivedWork as $w) {
  480. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE user_id='".$this->userId."' AND file_id='".$w->id."'");
  481. }
  482. removeUnusedFiles(); // Check for unused files
  483. }
  484. /**
  485. * Deletes all the received categories and work of this person
  486. */
  487. function deleteReceivedWorkFolder($id) {
  488. global $dropbox_cnf;
  489. $id = intval($id);
  490. $sql = "DELETE FROM ".$dropbox_cnf['tbl_file']." WHERE cat_id = '".$id."' ";
  491. if (!Database::query($sql)) return false;
  492. $sql = "DELETE FROM ".$dropbox_cnf['tbl_category']." WHERE cat_id = '".$id."' ";
  493. if (!Database::query($sql)) return false;
  494. $sql = "DELETE FROM ".$dropbox_cnf['tbl_post']." WHERE cat_id = '".$id."' ";
  495. if (!Database::query($sql)) return false;
  496. return true;
  497. }
  498. /**
  499. * Deletes a received dropbox file of this person with id=$id
  500. *
  501. * @param integer $id
  502. */
  503. function deleteReceivedWork($id) {
  504. global $dropbox_cnf;
  505. $id = intval($id);
  506. // index check
  507. $found = false;
  508. foreach ($this->receivedWork as $w) {
  509. if ($w->id == $id) {
  510. $found = true;
  511. break;
  512. }
  513. }
  514. if (!$found) {
  515. if(!$this->deleteReceivedWorkFolder($id)) {
  516. die(get_lang('GeneralError').' (code 216)');
  517. }
  518. }
  519. // Delete entries in person table concerning received works
  520. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE user_id='".$this->userId."' AND file_id='".$id."'");
  521. removeUnusedFiles(); // Check for unused files
  522. }
  523. /**
  524. * Deletes all the sent dropbox files of this person
  525. */
  526. function deleteAllSentWork() {
  527. global $dropbox_cnf;
  528. //delete entries in person table concerning sent works
  529. foreach ($this->sentWork as $w) {
  530. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE user_id='".$this->userId."' AND file_id='".$w->id."'");
  531. removeMoreIfMailing($w->id);
  532. }
  533. removeUnusedFiles(); // Check for unused files
  534. }
  535. /**
  536. * Deletes a sent dropbox file of this person with id=$id
  537. *
  538. * @param unknown_type $id
  539. */
  540. function deleteSentWork($id) {
  541. global $dropbox_cnf;
  542. $id = intval($id);
  543. // index check
  544. $found = false;
  545. foreach ($this->sentWork as $w) {
  546. if ($w->id == $id) {
  547. $found = true;
  548. break;
  549. }
  550. }
  551. if (!$found) {
  552. if (!$this->deleteReceivedWorkFolder($id)) {
  553. die(get_lang('GeneralError').' (code 219)');
  554. }
  555. }
  556. //$file_id = $this->sentWork[$index]->id;
  557. // Delete entries in person table concerning sent works
  558. Database::query("DELETE FROM ".$dropbox_cnf['tbl_person']." WHERE user_id='".$this->userId."' AND file_id='".$id."'");
  559. removeMoreIfMailing($id);
  560. removeUnusedFiles(); // Check for unused files
  561. }
  562. /**
  563. * Updates feedback for received work of this person with id=$id
  564. *
  565. * @param unknown_type $id
  566. * @param unknown_type $text
  567. */
  568. function updateFeedback($id, $text) {
  569. global $_course, $dropbox_cnf;
  570. $id = intval($id);
  571. // index check
  572. $found = false;
  573. $wi = -1;
  574. foreach ($this->receivedWork as $w) {
  575. $wi++;
  576. if ($w->id == $id){
  577. $found = true;
  578. break;
  579. } // foreach (... as $wi -> $w) gives error 221! (no idea why...)
  580. }
  581. if (!$found) {
  582. die(get_lang('GeneralError').' (code 221)');
  583. }
  584. $feedback_date = date('Y-m-d H:i:s', time());
  585. $this->receivedWork[$wi]->feedback_date = $feedback_date;
  586. $this->receivedWork[$wi]->feedback = $text;
  587. Database::query("UPDATE ".$dropbox_cnf['tbl_post']." SET feedback_date='".
  588. Database::escape_string($feedback_date)."', feedback='".Database::escape_string($text).
  589. "' WHERE dest_user_id='".$this->userId."' AND file_id='".$id."'");
  590. // Update item_property table
  591. if (($ownerid = $this->receivedWork[$wi]->uploader_id) > $dropbox_cnf['mailingIdBase']) {
  592. $ownerid = getUserOwningThisMailing($ownerid);
  593. }
  594. api_item_property_update($_course, TOOL_DROPBOX, $this->receivedWork[$wi]->id, 'DropboxFileUpdated', $this->userId, null, $ownerid) ;
  595. }
  596. /**
  597. * Filter the received work
  598. * @param string $type
  599. * @param string $value
  600. */
  601. function filter_received_work($type, $value) {
  602. global $dropbox_cnf;
  603. $new_received_work = array();
  604. foreach ($this->receivedWork as $index => $work) {
  605. switch ($type) {
  606. case 'uploader_id':
  607. if ($work->uploader_id == $value ||
  608. ($work->uploader_id > $dropbox_cnf['mailingIdBase'] && getUserOwningThisMailing($work->uploader_id) == $value)) {
  609. $new_received_work[] = $work;
  610. }
  611. break;
  612. default:
  613. $new_received_work[] = $work;
  614. }
  615. }
  616. $this->receivedWork = $new_received_work;
  617. }
  618. }