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 René 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. $row_feedback['feedback'] = Security::remove_XSS($row_feedback['feedback']);
  195. $feedback2[]=$row_feedback;
  196. }
  197. $this->feedback2= $feedback2;
  198. }
  199. /*
  200. // RH: Feedback
  201. $result = Database::query("SELECT feedback_date, feedback, cat_id FROM ".
  202. dropbox_cnf("tbl_post")." WHERE dest_user_id='".$_user['user_id'].
  203. "' AND file_id='".$id."'",__FILE__,__LINE__);
  204. if ($res = Database::fetch_array($result))
  205. {
  206. $this->feedback_date = $res["feedback_date"];
  207. $this->feedback = $res["feedback"];
  208. $this->category = $res['cat_id'];
  209. } // do not fail if there is no recipient = current user...*/
  210. }
  211. }
  212. class Dropbox_SentWork extends Dropbox_Work
  213. {
  214. public $recipients; //array of ["id"]["name"] arrays
  215. /**
  216. * Constructor calls private functions to create a new work or retreive an existing work from DB
  217. * depending on the number of parameters
  218. *
  219. * @param unknown_type $arg1
  220. * @param unknown_type $arg2
  221. * @param unknown_type $arg3
  222. * @param unknown_type $arg4
  223. * @param unknown_type $arg5
  224. * @param unknown_type $arg6
  225. * @param unknown_type $arg7
  226. * @return Dropbox_SentWork
  227. */
  228. function Dropbox_SentWork ($arg1, $arg2=null, $arg3=null, $arg4=null, $arg5=null, $arg6=null, $arg7=null) {
  229. if (func_num_args()>1) {
  230. $this->_createNewSentWork ($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
  231. } else {
  232. $this->_createExistingSentWork ($arg1);
  233. }
  234. }
  235. /**
  236. * private function creating a new SentWork object
  237. *
  238. * @param unknown_type $uploader_id
  239. * @param unknown_type $title
  240. * @param unknown_type $description
  241. * @param unknown_type $author
  242. * @param unknown_type $filename
  243. * @param unknown_type $filesize
  244. * @param unknown_type $recipient_ids
  245. */
  246. function _createNewSentWork ($uploader_id, $title, $description, $author, $filename, $filesize, $recipient_ids) {
  247. // Call constructor of Dropbox_Work object
  248. $this->Dropbox_Work($uploader_id, $title, $description, $author, $filename, $filesize);
  249. // Do sanity checks on recipient_ids array & property fillin
  250. // The sanity check for ex-coursemembers is already done in base constructor
  251. settype($uploader_id, 'integer') or die(dropbox_lang("generalError")." (code 208)"); //set $uploader_id to correct type
  252. $justSubmit = FALSE; // RH: mailing zip-file or just upload
  253. if ( is_int($recipient_ids)) {
  254. $justSubmit = TRUE; $recipient_ids = array($recipient_ids + $this->id);
  255. } elseif ( count($recipient_ids) == 0) { // RH: Just Upload
  256. $justSubmit = TRUE; $recipient_ids = array($uploader_id);
  257. }
  258. if (! is_array($recipient_ids) || count($recipient_ids) == 0) {
  259. die(dropbox_lang("generalError")." (code 209)");
  260. }
  261. foreach ($recipient_ids as $rec) {
  262. if (empty($rec)) die(dropbox_lang("generalError")." (code 210)");
  263. //if (!isCourseMember($rec)) die(); //cannot sent document to someone outside of course
  264. //this check is done when validating submitted data
  265. $this->recipients[] = array("id"=>$rec, "name"=>getUserNameFromId($rec));
  266. }
  267. // insert data in dropbox_post and dropbox_person table for each recipient
  268. foreach ($this->recipients as $rec) {
  269. $sql="INSERT INTO ".dropbox_cnf("tbl_post")."
  270. (file_id, dest_user_id, session_id)
  271. VALUES ('".addslashes($this->id)."', '".addslashes($rec["id"])."', ".intval($_SESSION['id_session']).")";
  272. $result = Database::query($sql); //if work already exists no error is generated
  273. //insert entries into person table
  274. $sql="INSERT INTO ".dropbox_cnf("tbl_person")."
  275. (file_id, user_id)
  276. VALUES ('".addslashes($this->id)."'
  277. , '".addslashes($rec["id"])."'
  278. )";
  279. // RH: do not add recipient in person table if mailing zip or just upload
  280. if (!$justSubmit) {
  281. $result = Database::query($sql); //if work already exists no error is generated
  282. }
  283. //update item_property (previously last_tooledit) table for each recipient
  284. global $_course, $dropbox_cnf;
  285. if (($ownerid = $this->uploader_id) > $dropbox_cnf["mailingIdBase"]) {
  286. $ownerid = getUserOwningThisMailing($ownerid);
  287. }
  288. if (($recipid = $rec["id"]) > $dropbox_cnf["mailingIdBase"]) {
  289. $recipid = $ownerid; // mailing file recipient = mailing id, not a person
  290. }
  291. api_item_property_update($_course, TOOL_DROPBOX, $this->id, "DropboxFileAdded", $ownerid, NULL, $recipid) ;
  292. }
  293. }
  294. /**
  295. * private function creating existing object by retreiving info from db
  296. *
  297. * @param unknown_type $id
  298. */
  299. function _createExistingSentWork ($id) {
  300. // Call constructor of Dropbox_Work object
  301. $this->Dropbox_Work($id);
  302. // Do sanity check. The sanity check for ex-coursemembers is already done in base constructor
  303. settype($id, 'integer') or die(dropbox_lang("generalError")." (code 211)"); //set $id to correct type
  304. //Fill in recipients array/
  305. $this->recipients = array(); // RH: Feedback: added to SELECT
  306. $sql="SELECT dest_user_id, feedback_date, feedback
  307. FROM ".dropbox_cnf("tbl_post")."
  308. WHERE file_id='".addslashes($id)."'";
  309. $result = Database::query($sql,__FILE__,__LINE__);
  310. while ($res = Database::fetch_array($result)) {
  311. // check for deleted users
  312. $dest_user_id = $res["dest_user_id"];
  313. $recipientName = getUserNameFromId($dest_user_id);
  314. //$this->category=$res['cat_id'];
  315. if ($recipientName == FALSE) {
  316. $this->recipients[] = array("id"=>-1, "name"=> dropbox_lang("anonymous", "noDLTT"));
  317. } else {
  318. $this->recipients[] = array("id"=>$dest_user_id, "name"=>$recipientName, "user_id"=>$dest_user_id,
  319. "feedback_date"=>$res["feedback_date"], "feedback"=>$res["feedback"]); // RH: Feedback
  320. }
  321. }
  322. }
  323. }
  324. class Dropbox_Person
  325. {
  326. public $receivedWork; //array of Dropbox_Work objects
  327. public $sentWork; //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. //the receivedWork and the sentWork arrays are sorted
  333. /**
  334. * Constructor for recreating the Dropbox_Person object
  335. *
  336. * @param unknown_type $userId
  337. * @param unknown_type $isCourseAdmin
  338. * @param unknown_type $isCourseTutor
  339. * @return Dropbox_Person
  340. */
  341. function Dropbox_Person ($userId, $isCourseAdmin, $isCourseTutor) {
  342. // Fill in properties
  343. $this->userId = $userId;
  344. $this->isCourseAdmin = $isCourseAdmin;
  345. $this->isCourseTutor = $isCourseTutor;
  346. $this->receivedWork = array();
  347. $this->sentWork = array();
  348. //Note: perhaps include an ex coursemember check to delete old files
  349. $session_id = api_get_session_id();
  350. $condition_session = api_get_session_condition($session_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
  356. FROM $post_tbl r, $person_tbl p
  357. WHERE r.dest_user_id = '".addslashes($this->userId)."'
  358. AND r.dest_user_id = p.user_id
  359. AND r.file_id = p.file_id $condition_session";
  360. //if (intval($_SESSION['id_session']>0)) { $sql .= " AND r.session_id = ".intval($_SESSION['id_session']); }
  361. $result = Database::query($sql,__FILE__,__LINE__);
  362. while ($res = Database::fetch_array($result)) {
  363. $temp = new Dropbox_Work($res["file_id"]);
  364. $temp -> category = $res['cat_id'];
  365. $this->receivedWork[] = $temp;
  366. }
  367. // find all entries where this person is the sender/uploader
  368. $sql = "SELECT f.id
  369. FROM $file_tbl f, $person_tbl p
  370. WHERE f.uploader_id = '".addslashes($this->userId)."'
  371. AND f.uploader_id = p.user_id
  372. AND f.id = p.file_id $condition_session";
  373. //if(intval($_SESSION['id_session']>0)) { $sql .= " AND f.session_id = ".intval($_SESSION['id_session']); }
  374. $result =Database::query($sql,__FILE__,__LINE__);
  375. while ($res = Database::fetch_array($result)) {
  376. $this->sentWork[] = new Dropbox_SentWork($res["id"]);
  377. }
  378. }
  379. /**
  380. * This private method is used by the usort function in the
  381. * orderSentWork and orderReceivedWork methods.
  382. * It compares 2 work-objects by 1 of the properties of that object, dictated by the
  383. * private property _orderBy
  384. *
  385. * @param unknown_type $a
  386. * @param unknown_type $b
  387. * @return -1, 0 or 1 dependent of the result of the comparison.
  388. */
  389. function _cmpWork ($a, $b) {
  390. $sort = $this->_orderBy;
  391. $aval = $a->$sort;
  392. $bval = $b->$sort;
  393. if ($sort == 'recipients') { //the recipients property is an array so we do the comparison based on the first item of the recipients array
  394. $aval = $aval[0]['name'];
  395. $bval = $bval[0]['name'];
  396. }
  397. if ($sort == 'filesize') { //filesize is not a string, so we use other comparison technique
  398. return $aval<$bval ? -1 : 1;
  399. } elseif ($sort == 'title') { // natural order for sorting titles is more "human-friendly"
  400. return api_strnatcmp($aval, $bval);
  401. } else {
  402. return api_strcasecmp($aval, $bval);
  403. }
  404. }
  405. /**
  406. * method that sorts the objects in the sentWork array, dependent on the $sort parameter.
  407. * $sort can be lastDate, firstDate, title, size, ...
  408. *
  409. * @param unknown_type $sort
  410. */
  411. function orderSentWork($sort) {
  412. /*
  413. */
  414. switch($sort) {
  415. case 'lastDate':
  416. $this->_orderBy = 'last_upload_date';
  417. break;
  418. case 'firstDate':
  419. $this->_orderBy = 'upload_date';
  420. break;
  421. case 'title':
  422. $this->_orderBy = 'title';
  423. break;
  424. case 'size':
  425. $this->_orderBy = 'filesize';
  426. break;
  427. case 'author':
  428. $this->_orderBy = 'author';
  429. break;
  430. case 'recipient':
  431. $this->_orderBy = 'recipients';
  432. break;
  433. default:
  434. $this->_orderBy = 'last_upload_date';
  435. } // switch
  436. usort($this->sentWork, array($this,"_cmpWork")); //this calls the _cmpWork method
  437. }
  438. /**
  439. * method that sorts the objects in the receivedWork array, dependent on the $sort parameter.
  440. * $sort can be lastDate, firstDate, title, size, ...
  441. * @param unknown_type $sort
  442. */
  443. function orderReceivedWork($sort) {
  444. switch($sort) {
  445. case 'lastDate':
  446. $this->_orderBy = 'last_upload_date';
  447. break;
  448. case 'firstDate':
  449. $this->_orderBy = 'upload_date';
  450. break;
  451. case 'title':
  452. $this->_orderBy = 'title';
  453. break;
  454. case 'size':
  455. $this->_orderBy = 'filesize';
  456. break;
  457. case 'author':
  458. $this->_orderBy = 'author';
  459. break;
  460. case 'sender':
  461. $this->_orderBy = 'uploaderName';
  462. break;
  463. default:
  464. $this->_orderBy = 'last_upload_date';
  465. } // switch
  466. usort($this->receivedWork, array($this,"_cmpWork")); //this calls the _cmpWork method
  467. }
  468. /**
  469. * Deletes all the received work of this person
  470. *
  471. */
  472. function deleteAllReceivedWork () {
  473. //delete entries in person table concerning received works
  474. foreach ($this->receivedWork as $w) {
  475. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$w->id."'",__FILE__,__LINE__);
  476. }
  477. removeUnusedFiles(); //check for unused files
  478. }
  479. /**
  480. * Deletes all the received categories and work of this person
  481. */
  482. function deleteReceivedWorkFolder($id) {
  483. $sql = "DELETE FROM ".dropbox_cnf("tbl_file")." where cat_id = '".$id."' ";
  484. if(!Database::query($sql)) return false;
  485. $sql = "DELETE FROM ".dropbox_cnf("tbl_category")." where cat_id = '".$id."' ";
  486. if(!Database::query($sql)) return false;
  487. $sql = "DELETE FROM ".dropbox_cnf("tbl_post")." where cat_id = '".$id."' ";
  488. if(!Database::query($sql)) return false;
  489. return true;
  490. }
  491. /**
  492. * Deletes a received dropbox file of this person with id=$id
  493. *
  494. * @param integer $id
  495. */
  496. function deleteReceivedWork ($id) {
  497. //id check
  498. $found = false;
  499. foreach($this->receivedWork as $w) {
  500. if ($w->id == $id) {
  501. $found = true;
  502. break;
  503. }
  504. }
  505. if (! $found) {
  506. if(!$this->deleteReceivedWorkFolder($id)) {
  507. die(dropbox_lang("generalError")." (code 216)");
  508. }
  509. }
  510. //delete entries in person table concerning received works
  511. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$id."'",__FILE__,__LINE__);
  512. removeUnusedFiles(); //check for unused files
  513. }
  514. /**
  515. * Deletes all the sent dropbox files of this person
  516. */
  517. function deleteAllSentWork () {
  518. //delete entries in person table concerning sent works
  519. foreach ($this->sentWork as $w) {
  520. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$w->id."'",__FILE__,__LINE__);
  521. removeMoreIfMailing($w->id); // RH: Mailing: see init1
  522. }
  523. removeUnusedFiles(); //check for unused files
  524. }
  525. /**
  526. * Deletes a sent dropbox file of this person with id=$id
  527. *
  528. * @param unknown_type $id
  529. */
  530. function deleteSentWork ($id) {
  531. //index check
  532. $found = false;
  533. foreach($this->sentWork as $w) {
  534. if ($w->id == $id) {
  535. $found = true;
  536. break;
  537. }
  538. }
  539. if (!$found) {
  540. if(!$this->deleteReceivedWorkFolder($id)) {
  541. die(dropbox_lang("generalError")." (code 219)");
  542. }
  543. }
  544. //$file_id = $this->sentWork[$index]->id; // RH: Mailing
  545. //delete entries in person table concerning sent works
  546. Database::query("DELETE FROM ".dropbox_cnf("tbl_person")." WHERE user_id='".$this->userId."' AND file_id='".$id."'",__FILE__,__LINE__);
  547. removeMoreIfMailing($id); // RH: Mailing: see init1
  548. removeUnusedFiles(); //check for unused files
  549. }
  550. /**
  551. * Updates feedback for received work of this person with id=$id
  552. *
  553. * @param unknown_type $id
  554. * @param unknown_type $text
  555. */
  556. function updateFeedback($id, $text) {
  557. global $_course, $dropbox_cnf;
  558. //id check
  559. $found = false; $wi = -1;
  560. foreach($this->receivedWork as $w) {
  561. $wi++;
  562. if ($w->id == $id){
  563. $found = true;
  564. break;
  565. } // foreach (... as $wi -> $w) gives error 221! (no idea why...)
  566. }
  567. if (! $found) {
  568. die(dropbox_lang("generalError")." (code 221)");
  569. }
  570. $feedback_date = date("Y-m-d H:i:s",time());
  571. $this->receivedWork[$wi]->feedback_date = $feedback_date;
  572. $this->receivedWork[$wi]->feedback = $text;
  573. Database::query("UPDATE ".dropbox_cnf("tbl_post")." SET feedback_date='".
  574. addslashes($feedback_date)."', feedback='".addslashes($text).
  575. "' WHERE dest_user_id='".$this->userId."' AND file_id='".$id."'",__FILE__,__LINE__);
  576. //update item_property (previously last_tooledit) table
  577. if (($ownerid = $this->receivedWork[$wi]->uploader_id) > $dropbox_cnf["mailingIdBase"]) {
  578. $ownerid = getUserOwningThisMailing($ownerid);
  579. }
  580. api_item_property_update($_course, TOOL_DROPBOX, $this->receivedWork[$wi]->id, "DropboxFileUpdated", $this->userId, NULL, $ownerid) ;
  581. }
  582. /**
  583. * Filter the received work
  584. * @param string $type
  585. * @param string $value
  586. */
  587. function filter_received_work($type,$value) {
  588. global $dropbox_cnf;
  589. $new_received_work = array();
  590. foreach ($this->receivedWork as $index => $work) {
  591. switch ($type) {
  592. case 'uploader_id':
  593. if ($work->uploader_id == $value ||
  594. ($work->uploader_id > $dropbox_cnf["mailingIdBase"] &&
  595. getUserOwningThisMailing($work->uploader_id) == $value)) {
  596. $new_received_work[] = $work;
  597. }
  598. break;
  599. default:
  600. $new_received_work[] = $work;
  601. }
  602. }
  603. $this->receivedWork = $new_received_work;
  604. }
  605. }