dropbox_class.inc.php 22 KB

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  1. <?php //$id: $
  2. /* For licensing terms, see /dokeos_license.txt */
  3. /**
  4. * Dropbox module for Dokeos
  5. * Classes for the dropbox module.
  6. *
  7. * 3 classes are defined:
  8. * - Dropbox_Work:
  9. * . id
  10. * . uploader_id => who sent it // RH: Mailing: or mailing pseudo_id
  11. * . uploaderName
  12. * . filename => name of file stored on the server
  13. * . filesize // RH: Mailing: zero for sent zip
  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 // RH: Feedback
  24. * . feedback => feedback text (or HTML?) // RH: Feedback
  25. *
  26. * - Dropbox_SentWork extends Dropbox_Work
  27. * . recipients => array of ["id"]["name"] lists the recipients of the work
  28. * // RH: Mailing: or mailing pseudo_id
  29. * ["feedback_date"]["feedback"] // RH: Feedback
  30. * - Dropbox_Person:
  31. * . userId
  32. * . receivedWork => array of Dropbox_Work objects
  33. * . sentWork => array of Dropbox_SentWork objects
  34. * . isCourseTutor
  35. * . isCourseAdmin
  36. * . _orderBy =>private property used for determining the field by which the works have to be ordered
  37. *
  38. * @version 1.30
  39. * @copyright 2004
  40. * @author Jan Bols <jan@ivpv.UGent.be>
  41. * with contributions by Ren� Haentjens <rene.haentjens@UGent.be> (see RH)
  42. * @package dokeos.dropbox
  43. **/
  44. class Dropbox_Work {
  45. public $id;
  46. public $uploader_id;
  47. public $uploaderName;
  48. public $filename;
  49. public $filesize;
  50. public $title;
  51. public $description;
  52. public $author;
  53. public $upload_date;
  54. public $last_upload_date;
  55. public $isOldWork;
  56. public $feedback_date, $feedback; // RH: Feedback
  57. /**
  58. * Constructor calls private functions to create a new work or retreive an existing work from DB
  59. * depending on the number of parameters
  60. *
  61. * @param unknown_type $arg1
  62. * @param unknown_type $arg2
  63. * @param unknown_type $arg3
  64. * @param unknown_type $arg4
  65. * @param unknown_type $arg5
  66. * @param unknown_type $arg6
  67. * @return Dropbox_Work
  68. */
  69. function Dropbox_Work ($arg1, $arg2=null, $arg3=null, $arg4=null, $arg5=null, $arg6=null) {
  70. if (func_num_args()>1) {
  71. $this->_createNewWork($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
  72. } else {
  73. $this->_createExistingWork($arg1);
  74. }
  75. }
  76. /**
  77. * private function creating a new work object
  78. *
  79. * @param unknown_type $uploader_id
  80. * @param unknown_type $title
  81. * @param unknown_type $description
  82. * @param unknown_type $author
  83. * @param unknown_type $filename
  84. * @param unknown_type $filesize
  85. *
  86. * @todo $author was originally a field but this has now been replaced by the first and lastname of the uploader (to prevent anonymous uploads)
  87. * As a consequence this parameter can be removed
  88. */
  89. function _createNewWork ($uploader_id, $title, $description, $author, $filename, $filesize) {
  90. global $_user;
  91. // Do some sanity checks
  92. settype($uploader_id, 'integer') or die(dropbox_lang("generalError")." (code 201)"); //set $uploader_id to correct type
  93. //if (! isCourseMember($uploader_id)) die(); //uploader must be coursemember to be able to upload
  94. //-->this check is done when submitting data so it isn't checked here
  95. // Fill in the properties
  96. $this->uploader_id = $uploader_id;
  97. $this->uploaderName = getUserNameFromId($this->uploader_id);
  98. $this->filename = $filename;
  99. $this->filesize = $filesize;
  100. $this->title = $title;
  101. $this->description = $description;
  102. $this->author = api_get_person_name($_user['firstName'], $_user['lastName']);
  103. $this->last_upload_date = date("Y-m-d H:i:s",time());
  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. $sql="SELECT id, upload_date
  108. FROM ".dropbox_cnf("tbl_file")."
  109. WHERE filename = '".addslashes($this->filename)."'";
  110. $result = Database::query($sql,__FILE__,__LINE__);
  111. $res = Database::fetch_array($result);
  112. if ($res != FALSE) {
  113. $this->isOldWork = TRUE;
  114. }
  115. // insert or update the dropbox_file table and set the id property
  116. if ($this->isOldWork) {
  117. $this->id = $res["id"];
  118. $this->upload_date = $res["upload_date"];
  119. $sql = "UPDATE ".dropbox_cnf("tbl_file")."
  120. SET filesize = '".addslashes($this->filesize)."'
  121. , title = '".addslashes($this->title)."'
  122. , description = '".addslashes($this->description)."'
  123. , author = '".addslashes($this->author)."'
  124. , last_upload_date = '".addslashes($this->last_upload_date)."'
  125. WHERE id='".addslashes($this->id)."'";
  126. $result = Database::query($sql,__FILE__,__LINE__);
  127. } else {
  128. $this->upload_date = $this->last_upload_date;
  129. $sql="INSERT INTO ".dropbox_cnf("tbl_file")."
  130. (uploader_id, filename, filesize, title, description, author, upload_date, last_upload_date, session_id)
  131. VALUES ('".addslashes($this->uploader_id)."'
  132. , '".addslashes($this->filename)."'
  133. , '".addslashes($this->filesize)."'
  134. , '".addslashes($this->title)."'
  135. , '".addslashes($this->description)."'
  136. , '".addslashes($this->author)."'
  137. , '".addslashes($this->upload_date)."'
  138. , '".addslashes($this->last_upload_date)."'
  139. , ".intval($_SESSION['id_session'])."
  140. )";
  141. $result = Database::query($sql,__FILE__,__LINE__);
  142. $this->id = Database::insert_id(); //get automatically inserted id
  143. }
  144. // insert entries into person table
  145. $sql="INSERT INTO ".dropbox_cnf("tbl_person")."
  146. (file_id, user_id)
  147. VALUES ('".addslashes($this->id)."'
  148. , '".addslashes($this->uploader_id)."'
  149. )";
  150. $result = Database::query($sql); //if work already exists no error is generated
  151. }
  152. /**
  153. * private function creating existing object by retreiving info from db
  154. *
  155. * @param unknown_type $id
  156. */
  157. function _createExistingWork ($id) {
  158. global $_user; // RH: Feedback
  159. // Do some sanity checks
  160. settype($id, 'integer') or die(dropbox_lang("generalError")." (code 205)"); //set $id to correct type
  161. // get the data from DB
  162. $sql="SELECT uploader_id, filename, filesize, title, description, author, upload_date, last_upload_date, cat_id
  163. FROM ".dropbox_cnf("tbl_file")."
  164. WHERE id='".addslashes($id)."'";
  165. $result = Database::query($sql,__FILE__,__LINE__);
  166. $res = Database::fetch_array($result, 'ASSOC');
  167. // Check if uploader is still in Dokeos system
  168. $uploader_id = stripslashes($res["uploader_id"]);
  169. $uploaderName = getUserNameFromId($uploader_id);
  170. if ($uploaderName == FALSE) {
  171. //deleted user
  172. $this->uploader_id = -1;
  173. $this->uploaderName = dropbox_lang("anonymous", "noDLTT");
  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, __FILE__, __LINE__);
  193. while ($row_feedback=Database::fetch_array($result)) {
  194. $feedback2[]=$row_feedback;
  195. }
  196. $this->feedback2=$feedback2;
  197. }
  198. /*
  199. // RH: Feedback
  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='".$id."'",__FILE__,__LINE__);
  203. if ($res = Database::fetch_array($result))
  204. {
  205. $this->feedback_date = $res["feedback_date"];
  206. $this->feedback = $res["feedback"];
  207. $this->category = $res['cat_id'];
  208. } // do not fail if there is no recipient = current user...*/
  209. }
  210. }
  211. class Dropbox_SentWork extends Dropbox_Work
  212. {
  213. public $recipients; //array of ["id"]["name"] arrays
  214. /**
  215. * Constructor calls private functions to create a new work or retreive an existing work from DB
  216. * depending on the number of parameters
  217. *
  218. * @param unknown_type $arg1
  219. * @param unknown_type $arg2
  220. * @param unknown_type $arg3
  221. * @param unknown_type $arg4
  222. * @param unknown_type $arg5
  223. * @param unknown_type $arg6
  224. * @param unknown_type $arg7
  225. * @return Dropbox_SentWork
  226. */
  227. function Dropbox_SentWork ($arg1, $arg2=null, $arg3=null, $arg4=null, $arg5=null, $arg6=null, $arg7=null) {
  228. if (func_num_args()>1) {
  229. $this->_createNewSentWork ($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
  230. } else {
  231. $this->_createExistingSentWork ($arg1);
  232. }
  233. }
  234. /**
  235. * private function creating a new SentWork object
  236. *
  237. * @param unknown_type $uploader_id
  238. * @param unknown_type $title
  239. * @param unknown_type $description
  240. * @param unknown_type $author
  241. * @param unknown_type $filename
  242. * @param unknown_type $filesize
  243. * @param unknown_type $recipient_ids
  244. */
  245. function _createNewSentWork ($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids) {
  246. // Call constructor of Dropbox_Work object
  247. $this->Dropbox_Work($uploader_id, $title, $description, $author, $filename, $filesize);
  248. // Do sanity checks on recipient_ids array & property fillin
  249. // The sanity check for ex-coursemembers is already done in base constructor
  250. settype($uploader_id, 'integer') or die(dropbox_lang("generalError")." (code 208)"); //set $uploader_id to correct type
  251. $justSubmit = FALSE; // RH: mailing zip-file or just upload
  252. if ( is_int($recipient_ids)) {
  253. $justSubmit = TRUE; $recipient_ids = array($recipient_ids + $this->id);
  254. } elseif ( count($recipient_ids) == 0) { // RH: Just Upload
  255. $justSubmit = TRUE; $recipient_ids = array($uploader_id);
  256. }
  257. if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
  258. die(dropbox_lang("generalError")." (code 209)");
  259. }
  260. foreach ($recipient_ids as $rec) {
  261. if (empty($rec)) die(dropbox_lang("generalError")." (code 210)");
  262. //if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
  263. //this check is done when validating submitted data
  264. $this->recipients[] = array("id"=>$rec, "name"=>getUserNameFromId($rec));
  265. }
  266. // insert data in dropbox_post and dropbox_person table for each recipient
  267. foreach ($this->recipients as $rec) {
  268. $sql="INSERT INTO ".dropbox_cnf("tbl_post")."
  269. (file_id, dest_user_id, session_id)
  270. VALUES ('".addslashes($this->id)."', '".addslashes($rec["id"])."', ".intval($_SESSION['id_session']).")";
  271. $result = Database::query($sql); //if work already exists no error is generated
  272. //insert entries into person table
  273. $sql="INSERT INTO ".dropbox_cnf("tbl_person")."
  274. (file_id, user_id)
  275. VALUES ('".addslashes($this->id)."'
  276. , '".addslashes($rec["id"])."'
  277. )";
  278. // RH: do not add recipient in person table if mailing zip or just upload
  279. if (!$justSubmit) {
  280. $result = Database::query($sql); //if work already exists no error is generated
  281. }
  282. //update item_property (previously last_tooledit) table for each recipient
  283. global $_course, $dropbox_cnf;
  284. if (($ownerid = $this->uploader_id) > $dropbox_cnf["mailingIdBase"]) {
  285. $ownerid = getUserOwningThisMailing($ownerid);
  286. }
  287. if (($recipid = $rec["id"]) > $dropbox_cnf["mailingIdBase"]) {
  288. $recipid = $ownerid; // mailing file recipient = mailing id, not a person
  289. }
  290. api_item_property_update($_course, TOOL_DROPBOX, $this->id, "DropboxFileAdded", $ownerid, NULL, $recipid) ;
  291. }
  292. }
  293. /**
  294. * private function creating existing object by retreiving info from db
  295. *
  296. * @param unknown_type $id
  297. */
  298. function _createExistingSentWork ($id) {
  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(dropbox_lang("generalError")." (code 211)"); //set $id to correct type
  303. //Fill in recipients array/
  304. $this->recipients = array(); // RH: Feedback: added to SELECT
  305. $sql="SELECT dest_user_id, feedback_date, feedback
  306. FROM ".dropbox_cnf("tbl_post")."
  307. WHERE file_id='".addslashes($id)."'";
  308. $result = Database::query($sql,__FILE__,__LINE__);
  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 == FALSE) {
  315. $this->recipients[] = array("id"=>-1, "name"=> dropbox_lang("anonymous", "noDLTT"));
  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"]); // RH: Feedback
  319. }
  320. }
  321. }
  322. }
  323. class Dropbox_Person
  324. {
  325. public $receivedWork; //array of Dropbox_Work objects
  326. public $sentWork; //array of Dropbox_SentWork objects
  327. public $userId = 0;
  328. public $isCourseAdmin = FALSE;
  329. public $isCourseTutor = FALSE;
  330. public $_orderBy = ''; //private property that determines by which field
  331. //the receivedWork and the sentWork arrays are sorted
  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. $post_tbl = Database::get_course_table(TABLE_DROPBOX_POST);
  351. $person_tbl = Database::get_course_table(TABLE_DROPBOX_PERSON);
  352. $file_tbl = Database::get_course_table(TABLE_DROPBOX_FILE);
  353. // find all entries where this person is the recipient
  354. $sql = "SELECT r.file_id, r.cat_id
  355. FROM $post_tbl r, $person_tbl p
  356. WHERE r.dest_user_id = '".addslashes($this->userId)."'
  357. AND r.dest_user_id = p.user_id
  358. AND r.file_id = p.file_id $condition_session";
  359. //if (intval($_SESSION['id_session']>0)) { $sql .= " AND r.session_id = ".intval($_SESSION['id_session']); }
  360. $result = Database::query($sql,__FILE__,__LINE__);
  361. while ($res = Database::fetch_array($result)) {
  362. $temp = new Dropbox_Work($res["file_id"]);
  363. $temp -> category = $res['cat_id'];
  364. $this->receivedWork[] = $temp;
  365. }
  366. // find all entries where this person is the sender/uploader
  367. $sql = "SELECT f.id
  368. FROM $file_tbl f, $person_tbl p
  369. WHERE f.uploader_id = '".addslashes($this->userId)."'
  370. AND f.uploader_id = p.user_id
  371. AND f.id = p.file_id $condition_session";
  372. //if(intval($_SESSION['id_session']>0)) { $sql .= " AND f.session_id = ".intval($_SESSION['id_session']); }
  373. $result =Database::query($sql,__FILE__,__LINE__);
  374. while ($res = Database::fetch_array($result)) {
  375. $this->sentWork[] = new Dropbox_SentWork($res["id"]);
  376. }
  377. }
  378. /**
  379. * This private method is used by the usort function in the
  380. * orderSentWork and orderReceivedWork methods.
  381. * It compares 2 work-objects by 1 of the properties of that object, dictated by the
  382. * private property _orderBy
  383. *
  384. * @param unknown_type $a
  385. * @param unknown_type $b
  386. * @return -1, 0 or 1 dependent of the result of the comparison.
  387. */
  388. function _cmpWork ($a, $b) {
  389. $sort = $this->_orderBy;
  390. $aval = $a->$sort;
  391. $bval = $b->$sort;
  392. if ($sort == 'recipients') { //the recipients property is an array so we do the comparison based on the first item of the recipients array
  393. $aval = $aval[0]['name'];
  394. $bval = $bval[0]['name'];
  395. }
  396. if ($sort == 'filesize') { //filesize is not a string, so we use other comparison technique
  397. return $aval<$bval ? -1 : 1;
  398. } elseif ($sort == 'title') { // natural order for sorting titles is more "human-friendly"
  399. return api_strnatcmp($aval, $bval);
  400. } else {
  401. return api_strcasecmp($aval, $bval);
  402. }
  403. }
  404. /**
  405. * method that sorts the objects in the sentWork array, dependent on the $sort parameter.
  406. * $sort can be lastDate, firstDate, title, size, ...
  407. *
  408. * @param unknown_type $sort
  409. */
  410. function orderSentWork($sort) {
  411. /*
  412. */
  413. switch($sort) {
  414. case 'lastDate':
  415. $this->_orderBy = 'last_upload_date';
  416. break;
  417. case 'firstDate':
  418. $this->_orderBy = 'upload_date';
  419. break;
  420. case 'title':
  421. $this->_orderBy = 'title';
  422. break;
  423. case 'size':
  424. $this->_orderBy = 'filesize';
  425. break;
  426. case 'author':
  427. $this->_orderBy = 'author';
  428. break;
  429. case 'recipient':
  430. $this->_orderBy = 'recipients';
  431. break;
  432. default:
  433. $this->_orderBy = 'last_upload_date';
  434. } // switch
  435. usort($this->sentWork, array($this,"_cmpWork")); //this calls the _cmpWork method
  436. }
  437. /**
  438. * method that sorts the objects in the receivedWork array, dependent on the $sort parameter.
  439. * $sort can be lastDate, firstDate, title, size, ...
  440. * @param unknown_type $sort
  441. */
  442. function orderReceivedWork($sort) {
  443. switch($sort) {
  444. case 'lastDate':
  445. $this->_orderBy = 'last_upload_date';
  446. break;
  447. case 'firstDate':
  448. $this->_orderBy = 'upload_date';
  449. break;
  450. case 'title':
  451. $this->_orderBy = 'title';
  452. break;
  453. case 'size':
  454. $this->_orderBy = 'filesize';
  455. break;
  456. case 'author':
  457. $this->_orderBy = 'author';
  458. break;
  459. case 'sender':
  460. $this->_orderBy = 'uploaderName';
  461. break;
  462. default:
  463. $this->_orderBy = 'last_upload_date';
  464. } // switch
  465. usort($this->receivedWork, array($this,"_cmpWork")); //this calls the _cmpWork method
  466. }
  467. /**
  468. * Deletes all the received work of this person
  469. *
  470. */
  471. function deleteAllReceivedWork () {
  472. //delete entries in person table concerning received works
  473. foreach ($this->receivedWork as $w) {
  474. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$w->id."'",__FILE__,__LINE__);
  475. }
  476. removeUnusedFiles(); //check for unused files
  477. }
  478. /**
  479. * Deletes all the received categories and work of this person
  480. */
  481. function deleteReceivedWorkFolder($id) {
  482. $sql = "DELETE FROM ".dropbox_cnf("tbl_file")." where cat_id = '".$id."' ";
  483. if(!Database::query($sql)) return false;
  484. $sql = "DELETE FROM ".dropbox_cnf("tbl_category")." where cat_id = '".$id."' ";
  485. if(!Database::query($sql)) return false;
  486. $sql = "DELETE FROM ".dropbox_cnf("tbl_post")." where cat_id = '".$id."' ";
  487. if(!Database::query($sql)) return false;
  488. return true;
  489. }
  490. /**
  491. * Deletes a received dropbox file of this person with id=$id
  492. *
  493. * @param integer $id
  494. */
  495. function deleteReceivedWork ($id) {
  496. //id check
  497. $found = false;
  498. foreach($this->receivedWork as $w) {
  499. if ($w->id == $id) {
  500. $found = true;
  501. break;
  502. }
  503. }
  504. if (! $found) {
  505. if(!$this->deleteReceivedWorkFolder($id)) {
  506. die(dropbox_lang("generalError")." (code 216)");
  507. }
  508. }
  509. //delete entries in person table concerning received works
  510. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$id."'",__FILE__,__LINE__);
  511. removeUnusedFiles(); //check for unused files
  512. }
  513. /**
  514. * Deletes all the sent dropbox files of this person
  515. */
  516. function deleteAllSentWork () {
  517. //delete entries in person table concerning sent works
  518. foreach ($this->sentWork as $w) {
  519. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$w->id."'",__FILE__,__LINE__);
  520. removeMoreIfMailing($w->id); // RH: Mailing: see init1
  521. }
  522. removeUnusedFiles(); //check for unused files
  523. }
  524. /**
  525. * Deletes a sent dropbox file of this person with id=$id
  526. *
  527. * @param unknown_type $id
  528. */
  529. function deleteSentWork ($id) {
  530. //index check
  531. $found = false;
  532. foreach($this->sentWork as $w) {
  533. if ($w->id == $id) {
  534. $found = true;
  535. break;
  536. }
  537. }
  538. if (!$found) {
  539. if(!$this->deleteReceivedWorkFolder($id)) {
  540. die(dropbox_lang("generalError")." (code 219)");
  541. }
  542. }
  543. //$file_id = $this->sentWork[$index]->id; // RH: Mailing
  544. //delete entries in person table concerning sent works
  545. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$id."'",__FILE__,__LINE__);
  546. removeMoreIfMailing($id); // RH: Mailing: see init1
  547. removeUnusedFiles(); //check for unused files
  548. }
  549. /**
  550. * Updates feedback for received work of this person with id=$id
  551. *
  552. * @param unknown_type $id
  553. * @param unknown_type $text
  554. */
  555. function updateFeedback($id, $text) {
  556. global $_course, $dropbox_cnf;
  557. //id check
  558. $found = false; $wi = -1;
  559. foreach($this->receivedWork as $w) {
  560. $wi++;
  561. if ($w->id == $id){
  562. $found = true;
  563. break;
  564. } // foreach (... as $wi -> $w) gives error 221! (no idea why...)
  565. }
  566. if (! $found) {
  567. die(dropbox_lang("generalError")." (code 221)");
  568. }
  569. $feedback_date = date("Y-m-d H:i:s",time());
  570. $this->receivedWork[$wi]->feedback_date = $feedback_date;
  571. $this->receivedWork[$wi]->feedback = $text;
  572. Database::query("UPDATE ".dropbox_cnf("tbl_post")." SET feedback_date='".
  573. addslashes($feedback_date)."', feedback='".addslashes($text).
  574. "' WHERE dest_user_id='".$this->userId."' AND file_id='".$id."'",__FILE__,__LINE__);
  575. //update item_property (previously last_tooledit) table
  576. if (($ownerid = $this->receivedWork[$wi]->uploader_id) > $dropbox_cnf["mailingIdBase"]) {
  577. $ownerid = getUserOwningThisMailing($ownerid);
  578. }
  579. api_item_property_update($_course, TOOL_DROPBOX, $this->receivedWork[$wi]->id, "DropboxFileUpdated", $this->userId, NULL, $ownerid) ;
  580. }
  581. /**
  582. * Filter the received work
  583. * @param string $type
  584. * @param string $value
  585. */
  586. function filter_received_work($type,$value) {
  587. global $dropbox_cnf;
  588. $new_received_work = array();
  589. foreach ($this->receivedWork as $index => $work) {
  590. switch ($type) {
  591. case 'uploader_id':
  592. if ($work->uploader_id == $value ||
  593. ($work->uploader_id > $dropbox_cnf["mailingIdBase"] &&
  594. getUserOwningThisMailing($work->uploader_id) == $value)) {
  595. $new_received_work[] = $work;
  596. }
  597. break;
  598. default:
  599. $new_received_work[] = $work;
  600. }
  601. }
  602. $this->receivedWork = $new_received_work;
  603. }
  604. }