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1358 lines
49 KiB
1358 lines
49 KiB
<?php
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/* For licensing terms, see /license.txt */
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use ChamiloSession as Session;
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/**
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* This file contains additional dropbox functions. Initially there were some
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* functions in the init files also but I have moved them over
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* to one file -- Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @author Julio Montoya adding c_id support
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*/
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$this_section = SECTION_COURSES;
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$htmlHeadXtra[] = '<script>
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function setFocus(){
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$("#category_title").focus();
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}
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$(document).ready(function () {
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setFocus();
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});
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</script>';
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/**
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* This function is a wrapper function for the multiple actions feature.
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* @return string|null If there is a problem, return a string message, otherwise nothing
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version march 2006
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*/
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function handle_multiple_actions()
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{
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$_user = api_get_user_info();
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$is_courseAdmin = api_is_course_admin();
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$is_courseTutor = api_is_course_tutor();
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// STEP 1: are we performing the actions on the received or on the sent files?
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if ($_POST['action'] == 'delete_received' || $_POST['action'] == 'download_received') {
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$part = 'received';
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} elseif ($_POST['action'] == 'delete_sent' || $_POST['action'] == 'download_sent') {
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$part = 'sent';
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}
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// STEP 2: at least one file has to be selected. If not we return an error message
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$ids = isset($_GET['id']) ? $_GET['id'] : array();
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if (count($ids)>0) {
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$checked_file_ids = $_POST['id'];
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} else {
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foreach ($_POST as $key => $value) {
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if (strstr($value, $part.'_') && $key != 'view_received_category' && $key != 'view_sent_category') {
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$checked_files = true;
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$checked_file_ids[] = intval(substr($value, strrpos($value, '_')));
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}
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}
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}
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$checked_file_ids = $_POST['id'];
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if (!is_array($checked_file_ids) || count($checked_file_ids) == 0) {
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return get_lang('CheckAtLeastOneFile');
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}
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// STEP 3A: deleting
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if ($_POST['action'] == 'delete_received' || $_POST['action'] == 'delete_sent') {
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$dropboxfile = new Dropbox_Person($_user['user_id'], $is_courseAdmin, $is_courseTutor);
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foreach ($checked_file_ids as $key => $value) {
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if ($_GET['view'] == 'received') {
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$dropboxfile->deleteReceivedWork($value);
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$message = get_lang('ReceivedFileDeleted');
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}
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if ($_GET['view'] == 'sent' || empty($_GET['view'])) {
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$dropboxfile->deleteSentWork($value);
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$message = get_lang('SentFileDeleted');
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}
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}
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return $message;
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}
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// STEP 3B: giving comment
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if ($_POST['actions'] == 'comment') {
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// This has not been implemented.
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// The idea was that it would be possible to write the same feedback for the selected documents.
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}
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// STEP 3C: moving
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if (strstr($_POST['action'], 'move_')) {
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// check move_received_n or move_sent_n command
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if (strstr($_POST['action'], 'received')) {
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$part = 'received';
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$to_cat_id = str_replace('move_received_', '', $_POST['action']);
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} else {
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$part = 'sent';
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$to_cat_id = str_replace('move_sent_', '', $_POST['action']);
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}
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foreach ($checked_file_ids as $value) {
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store_move($value, $to_cat_id, $part);
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}
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return get_lang('FilesMoved');
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}
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// STEP 3D: downloading
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if ($_POST['action'] == 'download_sent' || $_POST['action'] == 'download_received') {
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zip_download($checked_file_ids);
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}
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}
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/**
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* Get conf settings
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* @return array
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*/
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function getDropboxConf()
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{
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return Session::read('dropbox_conf');
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}
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/**
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* This function deletes a dropbox category
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*
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* @todo give the user the possibility what needs to be done with the files
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* in this category: move them to the root, download them as a zip, delete them
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version march 2006
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*/
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function delete_category($action, $id, $user_id = null)
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{
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$course_id = api_get_course_int_id();
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$is_courseAdmin = api_is_course_admin();
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$is_courseTutor = api_is_course_tutor();
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if (empty($user_id)) {
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$user_id = api_get_user_id();
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}
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$cat = get_dropbox_category($id);
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if (count($cat)==0) {
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return false;
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}
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if ($cat['user_id'] != $user_id && !api_is_platform_admin($user_id)) {
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return false;
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}
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// an additional check that might not be necessary
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if ($action == 'deletereceivedcategory') {
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$sentreceived = 'received';
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$entries_table = Database::get_course_table(TABLE_DROPBOX_POST);
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$id_field = 'file_id';
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$return_message = get_lang('ReceivedCatgoryDeleted');
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} elseif ($action == 'deletesentcategory') {
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$sentreceived = 'sent';
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$entries_table = Database::get_course_table(TABLE_DROPBOX_FILE);
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$id_field = 'id';
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$return_message = get_lang('SentCatgoryDeleted');
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} else {
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return get_lang('Error');
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}
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// step 1: delete the category
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$sql = "DELETE FROM ". Database::get_course_table(TABLE_DROPBOX_CATEGORY) ."
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WHERE c_id = $course_id AND cat_id='".intval($id)."' AND $sentreceived='1'";
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Database::query($sql);
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// step 2: delete all the documents in this category
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$sql = "SELECT * FROM ".$entries_table."
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WHERE c_id = $course_id AND cat_id='".intval($id)."'";
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$result = Database::query($sql);
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while ($row = Database::fetch_array($result)) {
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$dropboxfile = new Dropbox_Person($user_id, $is_courseAdmin, $is_courseTutor);
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if ($action == 'deletereceivedcategory') {
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$dropboxfile->deleteReceivedWork($row[$id_field]);
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}
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if ($action == 'deletesentcategory') {
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$dropboxfile->deleteSentWork($row[$id_field]);
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}
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}
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return $return_message;
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}
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/**
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* Displays the form to move one individual file to a category
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*@ return html code of the form that appears in a message box.
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* @author Julio Montoya - function rewritten
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*/
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function display_move_form($part, $id, $target = array(), $extra_params = array(), $viewReceivedCategory, $viewSentCategory, $view)
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{
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$form = new FormValidator(
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'form1',
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'post',
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api_get_self().'?view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&'.$extra_params
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);
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$form->addElement('header', get_lang('MoveFileTo'));
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$form->addElement('hidden', 'id', intval($id));
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$form->addElement('hidden', 'part', Security::remove_XSS($part));
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$options = array('0' => get_lang('Root'));
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foreach ($target as $category) {
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$options[$category['cat_id']] = $category['cat_name'];
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}
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$form->addElement('select', 'move_target', get_lang('MoveFileTo'), $options);
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$form->addElement('button', 'do_move', get_lang('MoveFile'));
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$form->display();
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}
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/**
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* This function moves a file to a different category
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*
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* @param $id the id of the file we are moving
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* @param $target the id of the folder we are moving to
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* @param string $part are we moving a received file or a sent file?
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*
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* @return string string
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version march 2006
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*/
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function store_move($id, $target, $part)
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{
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$_user = api_get_user_info();
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$course_id = api_get_course_int_id();
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if ((isset($id) && $id != '') &&
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(isset($target) && $target != '') &&
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(isset($part) && $part != '')
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) {
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if ($part == 'received') {
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$sql = "UPDATE ".Database::get_course_table(TABLE_DROPBOX_POST)."
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SET cat_id = ".intval($target)."
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WHERE c_id = $course_id AND dest_user_id = ".intval($_user['user_id'])."
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AND file_id = ".intval($id)."";
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Database::query($sql);
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$return_message = get_lang('ReceivedFileMoved');
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}
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if ($part == 'sent') {
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$sql = "UPDATE ". Database::get_course_table(TABLE_DROPBOX_FILE) ."
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SET cat_id = ".intval($target)."
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WHERE
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c_id = $course_id AND
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uploader_id = ".intval($_user['user_id'])." AND
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id = ".intval($id);
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Database::query($sql);
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$return_message = get_lang('SentFileMoved');
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}
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} else {
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$return_message = get_lang('NotMovedError');
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}
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return $return_message;
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}
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/**
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* This function retrieves all dropbox categories and returns them as an array
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*
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* @param $filter default '', when we need only the categories of the sent or the received part.
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*
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* @return array
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version march 2006
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*/
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function get_dropbox_categories($filter = '')
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{
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$course_id = api_get_course_int_id();
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$_user = api_get_user_info();
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$return_array = array();
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$session_id = api_get_session_id();
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$condition_session = api_get_session_condition($session_id);
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$sql = "SELECT * FROM ". Database::get_course_table(TABLE_DROPBOX_CATEGORY) ."
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WHERE c_id = $course_id AND user_id='".$_user['user_id']."' $condition_session";
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$result = Database::query($sql);
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while ($row = Database::fetch_array($result)) {
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if (($filter == 'sent' && $row['sent'] == 1) || ($filter == 'received' && $row['received'] == 1) || $filter == '') {
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$return_array[$row['cat_id']] = $row;
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}
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}
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return $return_array;
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}
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/**
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* Get a dropbox category details
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* @param int The category ID
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* @return array The details of this category
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*/
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function get_dropbox_category($id)
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{
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$course_id = api_get_course_int_id();
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if (empty($id) or $id != intval($id)) { return array(); }
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$sql = "SELECT * FROM ". Database::get_course_table(TABLE_DROPBOX_CATEGORY) ."
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WHERE c_id = $course_id AND cat_id='".$id."'";
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$res = Database::query($sql);
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if ($res === false) {
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return array();
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}
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$row = Database::fetch_assoc($res);
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return $row;
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}
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/**
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* This functions stores a new dropboxcategory
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*
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* @var it might not seem very elegant if you create a category in sent
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* and in received with the same name that you get two entries in the
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* dropbox_category table but it is the easiest solution. You get
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* cat_name | received | sent | user_id
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* test | 1 | 0 | 237
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* test | 0 | 1 | 237
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* more elegant would be
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* test | 1 | 1 | 237
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version march 2006
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*/
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function store_addcategory()
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{
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$course_id = api_get_course_int_id();
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$_user = api_get_user_info();
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// check if the target is valid
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if ($_POST['target'] == 'sent') {
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$sent = 1;
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$received = 0;
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} elseif ($_POST['target'] == 'received') {
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$sent = 0;
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$received = 1;
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} else {
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return get_lang('Error');
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}
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// check if the category name is valid
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if ($_POST['category_name'] == '') {
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return array('type' => 'error', 'message' => get_lang('ErrorPleaseGiveCategoryName'));
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}
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if (!isset($_POST['edit_id'])) {
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$session_id = api_get_session_id();
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// step 3a, we check if the category doesn't already exist
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$sql = "SELECT * FROM ". Database::get_course_table(TABLE_DROPBOX_CATEGORY) ."
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WHERE
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c_id = $course_id AND
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user_id='".$_user['user_id']."' AND
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cat_name='".Database::escape_string($_POST['category_name'])."' AND
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received='".$received."' AND
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sent='$sent' AND
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session_id='$session_id'";
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$result = Database::query($sql);
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// step 3b, we add the category if it does not exist yet.
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if (Database::num_rows($result) == 0) {
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$params = [
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'cat_id' => 0,
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'c_id' => $course_id,
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'cat_name' => $_POST['category_name'],
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'received' => $received,
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'sent' => $sent,
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'user_id' => $_user['user_id'],
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'session_id' => $session_id,
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];
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$id = Database::insert(Database::get_course_table(TABLE_DROPBOX_CATEGORY), $params);
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if ($id) {
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$sql = "UPDATE ". Database::get_course_table(TABLE_DROPBOX_CATEGORY) ." SET cat_id = iid WHERE iid = $id";
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Database::query($sql);
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}
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return array('type' => 'confirmation', 'message' => get_lang('CategoryStored'));
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} else {
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return array('type' => 'error', 'message' => get_lang('CategoryAlreadyExistsEditIt'));
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}
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} else {
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$params = [
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'cat_name' => $_POST['category_name'],
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'received' => $received,
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'sent' => $sent
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];
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Database::update(
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Database::get_course_table(TABLE_DROPBOX_CATEGORY),
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$params,
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[
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'c_id = ? AND user_id = ? AND cat_id = ?' => [
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$course_id,
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$_user['user_id'],
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$_POST['edit_id'],
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],
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]
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);
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return array('type' => 'confirmation', 'message' => get_lang('CategoryModified'));
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}
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}
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/**
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* This function displays the form to add a new category.
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*
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* @param $category_name this parameter is the name of the category (used when no section is selected)
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* @param $id this is the id of the category we are editing.
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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@author Julio Montoya UI changes
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*
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* @version march 2006
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*/
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function display_addcategory_form($category_name = '', $id = '', $action)
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{
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$course_id = api_get_course_int_id();
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$title = get_lang('AddNewCategory');
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if (isset($id) && $id != '') {
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// retrieve the category we are editing
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$sql = "SELECT * FROM ". Database::get_course_table(TABLE_DROPBOX_CATEGORY) ."
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WHERE c_id = $course_id AND cat_id = ".intval($id);
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$result = Database::query($sql);
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$row = Database::fetch_array($result);
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if (empty($category_name)) {
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// after an edit with an error we do not want to return to the
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// original name but the name we already modified.
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// (happens when createinrecievedfiles AND createinsentfiles are not checked)
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$category_name = $row['cat_name'];
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}
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if ($row['received'] == '1') {
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$target = 'received';
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}
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if ($row['sent'] == '1') {
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$target = 'sent';
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}
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$title = get_lang('EditCategory');
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}
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if ($action == 'addreceivedcategory') {
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$target = 'received';
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}
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if ($action == 'addsentcategory') {
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$target = 'sent';
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}
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if ($action == 'editcategory') {
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$text = get_lang('ModifyCategory');
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} elseif ($action == 'addreceivedcategory' || $action == 'addsentcategory') {
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$text = get_lang('CreateCategory');
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}
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$form = new FormValidator('add_new_category', 'post', api_get_self().'?view='.Security::remove_XSS($_GET['view']));
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$form->addElement('header', $title);
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if (isset($id) && $id != '') {
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$form->addElement('hidden', 'edit_id', intval($id));
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}
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$form->addElement('hidden', 'action', Security::remove_XSS($action));
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$form->addElement('hidden', 'target', Security::remove_XSS($target));
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$form->addElement('text', 'category_name', get_lang('CategoryName'));
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$form->addRule('category_name', get_lang('ThisFieldIsRequired'), 'required');
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$form->addButtonSave($text, 'StoreCategory');
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$defaults = array();
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$defaults['category_name'] = $category_name;
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$form->setDefaults($defaults);
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$form->display();
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}
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|
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/**
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* this function displays the form to upload a new item to the dropbox.
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|
*
|
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
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*/
|
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function display_add_form($dropbox_unid, $viewReceivedCategory, $viewSentCategory, $view)
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{
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$course_info = api_get_course_info();
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$_user = api_get_user_info();
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$is_courseAdmin = api_is_course_admin();
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$is_courseTutor = api_is_course_tutor();
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$origin = isset($_GET['origin']) ? $_GET['origin'] : null;
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$token = Security::get_token();
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$dropbox_person = new Dropbox_Person(
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api_get_user_id(),
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$is_courseAdmin,
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$is_courseTutor
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);
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$form = new FormValidator(
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'sent_form',
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'post',
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api_get_self().'?view_received_category='.$viewReceivedCategory.'&view_sent_category='.$viewSentCategory.'&view='.$view.'&'.api_get_cidreq(),
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|
null,
|
|
array('enctype' => 'multipart/form-data', 'onsubmit' => 'javascript: return checkForm(this);')
|
|
);
|
|
|
|
$form->addElement('header', get_lang('UploadNewFile'));
|
|
$maxFileSize = api_get_setting('dropbox_max_filesize');
|
|
$form->addElement('hidden', 'MAX_FILE_SIZE', $maxFileSize);
|
|
$form->addElement('hidden', 'dropbox_unid', $dropbox_unid);
|
|
$form->addElement('hidden', 'sec_token', $token);
|
|
$form->addElement('hidden', 'origin', $origin);
|
|
$form->addElement('file', 'file', get_lang('UploadFile'), array('onChange' => 'javascript: checkfile(this.value);'));
|
|
|
|
$allowOverwrite = api_get_setting('dropbox_allow_overwrite');
|
|
if ($allowOverwrite == 'true') {
|
|
$form->addElement('checkbox', 'cb_overwrite', null, get_lang('OverwriteFile'), array('id' => 'cb_overwrite'));
|
|
}
|
|
|
|
// List of all users in this course and all virtual courses combined with it
|
|
if (api_get_session_id()) {
|
|
$complete_user_list_for_dropbox = array();
|
|
if (api_get_setting('dropbox_allow_student_to_student') == 'true' || $_user['status'] != STUDENT) {
|
|
$complete_user_list_for_dropbox = CourseManager:: get_user_list_from_course_code(
|
|
$course_info['code'],
|
|
api_get_session_id(),
|
|
null,
|
|
null,
|
|
0
|
|
);
|
|
}
|
|
|
|
$complete_user_list2 = CourseManager::get_coach_list_from_course_code(
|
|
$course_info['code'],
|
|
api_get_session_id()
|
|
);
|
|
|
|
$generalCoachList = array();
|
|
$courseCoachList = array();
|
|
foreach ($complete_user_list2 as $coach) {
|
|
if ($coach['type'] == 'general_coach') {
|
|
$generalCoachList[] = $coach;
|
|
} else {
|
|
$courseCoachList[] = $coach;
|
|
}
|
|
}
|
|
|
|
$hideCourseCoach = api_get_setting('dropbox_hide_course_coach');
|
|
if ($hideCourseCoach == 'false') {
|
|
$complete_user_list_for_dropbox = array_merge(
|
|
$complete_user_list_for_dropbox,
|
|
$courseCoachList
|
|
);
|
|
}
|
|
$hideGeneralCoach = api_get_setting('dropbox_hide_general_coach');
|
|
|
|
if ($hideGeneralCoach == 'false') {
|
|
$complete_user_list_for_dropbox = array_merge(
|
|
$complete_user_list_for_dropbox,
|
|
$generalCoachList
|
|
);
|
|
}
|
|
} else {
|
|
if (api_get_setting('dropbox_allow_student_to_student') == 'true' || $_user['status'] != STUDENT) {
|
|
$complete_user_list_for_dropbox = CourseManager::get_user_list_from_course_code(
|
|
$course_info['code'],
|
|
api_get_session_id()
|
|
);
|
|
} else {
|
|
$complete_user_list_for_dropbox = CourseManager::get_teacher_list_from_course_code(
|
|
$course_info['code'],
|
|
false
|
|
);
|
|
}
|
|
}
|
|
|
|
if (!empty($complete_user_list_for_dropbox)) {
|
|
foreach ($complete_user_list_for_dropbox as $k => $e) {
|
|
$complete_user_list_for_dropbox[$k] = $e + array('lastcommafirst' => api_get_person_name($e['firstname'], $e['lastname']));
|
|
}
|
|
$complete_user_list_for_dropbox = TableSort::sort_table($complete_user_list_for_dropbox, 'lastcommafirst');
|
|
}
|
|
|
|
/*
|
|
Create the options inside the select box:
|
|
List all selected users their user id as value and a name string as display
|
|
*/
|
|
|
|
$current_user_id = '';
|
|
$allowStudentToStudent = api_get_setting('dropbox_allow_student_to_student');
|
|
$options = array();
|
|
$userGroup = new UserGroup();
|
|
foreach ($complete_user_list_for_dropbox as $current_user) {
|
|
if (($dropbox_person -> isCourseTutor
|
|
|| $dropbox_person -> isCourseAdmin
|
|
|| $allowStudentToStudent == 'true'
|
|
|| $current_user['status'] != 5 // Always allow teachers.
|
|
|| $current_user['is_tutor'] == 1 // Always allow tutors.
|
|
) && $current_user['user_id'] != $_user['user_id']) { // Don't include yourself.
|
|
if ($current_user['user_id'] == $current_user_id) {
|
|
continue;
|
|
}
|
|
$userId = $current_user['user_id'];
|
|
$userInfo = api_get_user_info($userId);
|
|
if ($userInfo['status'] != INVITEE) {
|
|
$groupNameListToString = '';
|
|
if (!empty($groups)) {
|
|
$groupNameList = array_column($groups, 'name');
|
|
$groupNameListToString = ' - ['.implode(', ', $groupNameList).']';
|
|
}
|
|
$groups = $userGroup->getUserGroupListByUser($userId);
|
|
|
|
$full_name = $userInfo['complete_name'].$groupNameListToString;
|
|
$current_user_id = $current_user['user_id'];
|
|
$options['user_' . $current_user_id] = $full_name;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Show groups
|
|
*/
|
|
$allowGroups = api_get_setting('dropbox_allow_group');
|
|
if (($dropbox_person->isCourseTutor || $dropbox_person->isCourseAdmin)
|
|
&& $allowGroups == 'true' || $allowStudentToStudent == 'true'
|
|
) {
|
|
$complete_group_list_for_dropbox = GroupManager::get_group_list(null, $course_info['code']);
|
|
|
|
if (count($complete_group_list_for_dropbox) > 0) {
|
|
foreach ($complete_group_list_for_dropbox as $current_group) {
|
|
if ($current_group['number_of_members'] > 0) {
|
|
$options['group_'.$current_group['id']] = 'G: '.$current_group['name'].' - '.$current_group['number_of_members'].' '.get_lang('Users');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$allowUpload = api_get_setting('dropbox_allow_just_upload');
|
|
if ($allowUpload == 'true') {
|
|
$options['user_'.$_user['user_id']] = get_lang('JustUploadInSelect');
|
|
}
|
|
|
|
$form->addSelect(
|
|
'recipients',
|
|
get_lang('SendTo'),
|
|
$options,
|
|
array(
|
|
'multiple' => 'multiple',
|
|
'size' => '10'
|
|
)
|
|
);
|
|
$form->addButtonUpload(get_lang('Upload'), 'submitWork');
|
|
|
|
$headers = array(
|
|
get_lang('Upload'),
|
|
get_lang('Upload').' ('.get_lang('Simple').')',
|
|
);
|
|
|
|
$multipleForm = new FormValidator(
|
|
'sent_multiple',
|
|
'post',
|
|
'#',
|
|
null,
|
|
array('enctype' => 'multipart/form-data', 'id' => 'fileupload')
|
|
);
|
|
|
|
$multipleForm->addSelect(
|
|
'recipients',
|
|
get_lang('SendTo'),
|
|
$options,
|
|
array(
|
|
'multiple' => 'multiple',
|
|
'size' => '10',
|
|
'id' => 'recipient_form'
|
|
)
|
|
);
|
|
|
|
$url = api_get_path(WEB_AJAX_PATH).'dropbox.ajax.php?'.api_get_cidreq().'&a=upload_file&id=';
|
|
$multipleForm->addHtml('<div id="multiple_form" style="display:none">');
|
|
$multipleForm->addMultipleUpload($url);
|
|
$multipleForm->addHtml('</div>');
|
|
|
|
echo Display::tabs(
|
|
$headers,
|
|
array($multipleForm->returnForm(), $form->returnForm()),
|
|
'tabs'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param string $user_id
|
|
* @return boolean indicating if user with user_id=$user_id is a course member
|
|
* @todo check if this function is still necessary. There might be a library function for this.
|
|
*/
|
|
function isCourseMember($user_id)
|
|
{
|
|
$_course = api_get_course_info();
|
|
$course_code = $_course['code'];
|
|
$is_course_member = CourseManager::is_user_subscribed_in_course($user_id, $course_code, true);
|
|
|
|
return $is_course_member;
|
|
}
|
|
|
|
/**
|
|
* Checks if there are files in the dropbox_file table that aren't used anymore in dropbox_person table.
|
|
* If there are, all entries concerning the file are deleted from the db + the file is deleted from the server
|
|
*/
|
|
function removeUnusedFiles()
|
|
{
|
|
$_course = api_get_course_info();
|
|
$course_id = $_course['real_id'];
|
|
|
|
// select all files that aren't referenced anymore
|
|
$sql = "SELECT DISTINCT f.id, f.filename
|
|
FROM " . Database::get_course_table(TABLE_DROPBOX_FILE) . " f
|
|
LEFT JOIN " . Database::get_course_table(TABLE_DROPBOX_PERSON) . " p
|
|
ON (f.id = p.file_id)
|
|
WHERE p.user_id IS NULL AND
|
|
f.c_id = $course_id
|
|
";
|
|
$result = Database::query($sql);
|
|
while ($res = Database::fetch_array($result)) {
|
|
//delete the selected files from the post and file tables
|
|
$sql = "DELETE FROM " . Database::get_course_table(TABLE_DROPBOX_POST) . "
|
|
WHERE c_id = $course_id AND file_id = '" . $res['id'] . "'";
|
|
Database::query($sql);
|
|
$sql = "DELETE FROM " . Database::get_course_table(TABLE_DROPBOX_FILE) . "
|
|
WHERE c_id = $course_id AND id ='" . $res['id'] . "'";
|
|
Database::query($sql);
|
|
//delete file from server
|
|
@unlink( api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/dropbox/' . $res['filename']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Mailing zip-file is posted to (dest_user_id = ) mailing pseudo_id
|
|
* and is only visible to its uploader (user_id).
|
|
*
|
|
* Mailing content files have uploader_id == mailing pseudo_id, a normal recipient,
|
|
* and are visible initially to recipient and pseudo_id.
|
|
*
|
|
* @author René Haentjens, Ghent University
|
|
*
|
|
* @todo check if this function is still necessary.
|
|
*/
|
|
function getUserOwningThisMailing($mailingPseudoId, $owner = 0, $or_die = '')
|
|
{
|
|
$course_id = api_get_course_int_id();
|
|
|
|
$mailingPseudoId = intval($mailingPseudoId);
|
|
$sql = "SELECT f.uploader_id
|
|
FROM " . Database::get_course_table(TABLE_DROPBOX_FILE) . " f
|
|
LEFT JOIN " . Database::get_course_table(TABLE_DROPBOX_POST) . " p
|
|
ON (f.id = p.file_id AND f.c_id = $course_id AND p.c_id = $course_id)
|
|
WHERE
|
|
p.dest_user_id = '" . $mailingPseudoId . "' AND
|
|
p.c_id = $course_id
|
|
";
|
|
$result = Database::query($sql);
|
|
|
|
if (!($res = Database::fetch_array($result)))
|
|
die(get_lang('GeneralError').' (code 901)');
|
|
if ($owner == 0) return $res['uploader_id'];
|
|
if ($res['uploader_id'] == $owner) return true;
|
|
die(get_lang('GeneralError').' (code '.$or_die.')');
|
|
}
|
|
|
|
/**
|
|
* @author René Haentjens, Ghent University
|
|
* @todo check if this function is still necessary.
|
|
*/
|
|
function removeMoreIfMailing($file_id)
|
|
{
|
|
$course_id = api_get_course_int_id();
|
|
// when deleting a mailing zip-file (posted to mailingPseudoId):
|
|
// 1. the detail window is no longer reachable, so
|
|
// for all content files, delete mailingPseudoId from person-table
|
|
// 2. finding the owner (getUserOwningThisMailing) is no longer possible, so
|
|
// for all content files, replace mailingPseudoId by owner as uploader
|
|
$file_id = intval($file_id);
|
|
$sql = "SELECT p.dest_user_id
|
|
FROM " . Database::get_course_table(TABLE_DROPBOX_POST) . " p
|
|
WHERE c_id = $course_id AND p.file_id = '" . $file_id . "'";
|
|
$result = Database::query($sql);
|
|
|
|
if ($res = Database::fetch_array($result)) {
|
|
$mailingPseudoId = $res['dest_user_id'];
|
|
$mailId = get_mail_id_base();
|
|
if ($mailingPseudoId > $mailId) {
|
|
$sql = "DELETE FROM " . Database::get_course_table(TABLE_DROPBOX_PERSON) . "
|
|
WHERE c_id = $course_id AND user_id='" . $mailingPseudoId . "'";
|
|
Database::query($sql);
|
|
|
|
$sql = "UPDATE " . Database::get_course_table(TABLE_DROPBOX_FILE) ."
|
|
SET uploader_id='" . api_get_user_id() . "'
|
|
WHERE c_id = $course_id AND uploader_id='" . $mailingPseudoId . "'";
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param array $file
|
|
*
|
|
* @return array|null|string
|
|
*/
|
|
function store_add_dropbox($file = [])
|
|
{
|
|
$_course = api_get_course_info();
|
|
$_user = api_get_user_info();
|
|
$dropbox_cnf = getDropboxConf();
|
|
|
|
if (empty($file)) {
|
|
$file = isset($_FILES['file']) ? $_FILES['file'] : null;
|
|
}
|
|
|
|
// Validating the form data
|
|
|
|
// there are no recipients selected
|
|
if (!isset($_POST['recipients']) || count($_POST['recipients']) <= 0) {
|
|
return get_lang('YouMustSelectAtLeastOneDestinee');
|
|
} else {
|
|
// Check if all the recipients are valid
|
|
$thisIsAMailing = false;
|
|
$thisIsJustUpload = false;
|
|
foreach ($_POST['recipients'] as $rec) {
|
|
if ($rec == 'mailing') {
|
|
$thisIsAMailing = true;
|
|
} elseif ($rec == 'upload') {
|
|
$thisIsJustUpload = true;
|
|
} elseif (strpos($rec, 'user_') === 0 && !isCourseMember(substr($rec, strlen('user_')))) {
|
|
Display::addFlash(Display::return_message(get_lang('InvalideUserDetected'), 'warning'));
|
|
return false;
|
|
} elseif (strpos($rec, 'group_') !== 0 && strpos($rec, 'user_') !== 0) {
|
|
Display::addFlash(Display::return_message(get_lang('InvalideGroupDetected'), 'warning'));
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// we are doing a mailing but an additional recipient is selected
|
|
if ($thisIsAMailing && (count($_POST['recipients']) != 1)) {
|
|
Display::addFlash(Display::return_message(get_lang('MailingSelectNoOther'), 'warning'));
|
|
|
|
return false;
|
|
}
|
|
|
|
// we are doing a just upload but an additional recipient is selected.
|
|
// note: why can't this be valid? It is like sending a document to
|
|
// yourself AND to a different person (I do this quite often with my e-mails)
|
|
if ($thisIsJustUpload && (count($_POST['recipients']) != 1)) {
|
|
Display::addFlash(Display::return_message(get_lang('MailingJustUploadSelectNoOther'), 'warning'));
|
|
return false;
|
|
}
|
|
|
|
if (empty($file['name'])) {
|
|
Display::addFlash(Display::return_message(get_lang('NoFileSpecified'), 'warning'));
|
|
return false;
|
|
}
|
|
|
|
// are we overwriting a previous file or sending a new one
|
|
|
|
$dropbox_overwrite = false;
|
|
if (isset($_POST['cb_overwrite']) && $_POST['cb_overwrite']) {
|
|
$dropbox_overwrite = true;
|
|
}
|
|
|
|
// doing the upload
|
|
|
|
$dropbox_filename = $file['name'];
|
|
$dropbox_filesize = $file['size'];
|
|
$dropbox_filetype = $file['type'];
|
|
$dropbox_filetmpname = $file['tmp_name'];
|
|
|
|
// check if the filesize does not exceed the allowed size.
|
|
$maxFileSize = api_get_setting('dropbox_max_filesize');
|
|
if ($dropbox_filesize <= 0 || $dropbox_filesize > $maxFileSize) {
|
|
Display::addFlash(Display::return_message(get_lang('DropboxFileTooBig'), 'warning'));
|
|
|
|
return false;
|
|
}
|
|
|
|
// check if the file is actually uploaded
|
|
if (!is_uploaded_file($dropbox_filetmpname)) { // check user fraud : no clean error msg.
|
|
Display::addFlash(Display::return_message(get_lang('TheFileIsNotUploaded'), 'warning'));
|
|
|
|
return false;
|
|
}
|
|
|
|
$upload_ok = process_uploaded_file($file, true);
|
|
|
|
if (!$upload_ok) {
|
|
return null;
|
|
}
|
|
|
|
// Try to add an extension to the file if it hasn't got one
|
|
$dropbox_filename = add_ext_on_mime($dropbox_filename, $dropbox_filetype);
|
|
// Replace dangerous characters
|
|
$dropbox_filename = api_replace_dangerous_char($dropbox_filename);
|
|
// Transform any .php file in .phps fo security
|
|
$dropbox_filename = php2phps($dropbox_filename);
|
|
|
|
//filter extension
|
|
if (!filter_extension($dropbox_filename)) {
|
|
Display::addFlash(Display::return_message(get_lang('UplUnableToSaveFileFilteredExtension'), 'warning'));
|
|
return false;
|
|
}
|
|
|
|
// set title
|
|
$dropbox_title = $dropbox_filename;
|
|
// note: I think we could better migrate everything from here on to
|
|
// separate functions: store_new_dropbox, store_new_mailing, store_just_upload
|
|
|
|
if ($dropbox_overwrite) {
|
|
$dropbox_person = new Dropbox_Person(
|
|
$_user['user_id'],
|
|
api_is_course_admin(),
|
|
api_is_course_tutor()
|
|
);
|
|
$mailId = get_mail_id_base();
|
|
foreach ($dropbox_person->sentWork as $w) {
|
|
if ($w->title == $dropbox_filename) {
|
|
if (($w->recipients[0]['id'] > $mailId) xor $thisIsAMailing) {
|
|
Display::addFlash(Display::return_message(get_lang('MailingNonMailingError'), 'warning'));
|
|
return false;
|
|
}
|
|
if (($w->recipients[0]['id'] == $_user['user_id']) xor $thisIsJustUpload) {
|
|
Display::addFlash(Display::return_message(get_lang('MailingJustUploadSelectNoOther'), 'warning'));
|
|
return false;
|
|
}
|
|
$dropbox_filename = $w->filename;
|
|
$found = true; // note: do we still need this?
|
|
break;
|
|
}
|
|
}
|
|
} else { // rename file to login_filename_uniqueId format
|
|
$dropbox_filename = $_user['username'] . "_" . $dropbox_filename . "_".uniqid('');
|
|
}
|
|
|
|
// creating the array that contains all the users who will receive the file
|
|
$new_work_recipients = array();
|
|
foreach ($_POST['recipients'] as $rec) {
|
|
if (strpos($rec, 'user_') === 0) {
|
|
$new_work_recipients[] = substr($rec, strlen('user_'));
|
|
} elseif (strpos($rec, 'group_') === 0) {
|
|
$groupInfo = GroupManager::get_group_properties(substr($rec, strlen('group_')));
|
|
$userList = GroupManager::get_subscribed_users($groupInfo['iid']);
|
|
foreach ($userList as $usr) {
|
|
if (!in_array($usr['user_id'], $new_work_recipients) && $usr['user_id'] != $_user['user_id']) {
|
|
$new_work_recipients[] = $usr['user_id'];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@move_uploaded_file($dropbox_filetmpname, api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/dropbox/' . $dropbox_filename);
|
|
|
|
$b_send_mail = api_get_course_setting('email_alert_on_new_doc_dropbox');
|
|
|
|
if ($b_send_mail) {
|
|
foreach ($new_work_recipients as $recipient_id) {
|
|
$recipent_temp = api_get_user_info($recipient_id);
|
|
$additionalParameters = array(
|
|
'smsType' => SmsPlugin::NEW_FILE_SHARED_COURSE_BY,
|
|
'userId' => $recipient_id,
|
|
'courseTitle' => $_course['title'],
|
|
'userUsername' => $recipent_temp['username']
|
|
);
|
|
api_mail_html(
|
|
api_get_person_name(
|
|
$recipent_temp['firstname'].' '.$recipent_temp['lastname'],
|
|
null,
|
|
PERSON_NAME_EMAIL_ADDRESS
|
|
),
|
|
$recipent_temp['email'],
|
|
get_lang('NewDropboxFileUploaded'),
|
|
get_lang('NewDropboxFileUploadedContent').' <a href="'.api_get_path(WEB_CODE_PATH).'dropbox/index.php?' . api_get_cidreq() . '">'.get_lang('SeeFile').'</a>'.
|
|
"\n\n".
|
|
api_get_person_name(
|
|
$_user['firstName'],
|
|
$_user['lastName'],
|
|
null,
|
|
PERSON_NAME_EMAIL_ADDRESS
|
|
)."\n". get_lang('Email') ." : ".$_user['mail'],
|
|
api_get_person_name(
|
|
$_user['firstName'],
|
|
$_user['lastName'],
|
|
null,
|
|
PERSON_NAME_EMAIL_ADDRESS
|
|
),
|
|
$_user['mail'],
|
|
null,
|
|
null,
|
|
null,
|
|
$additionalParameters
|
|
);
|
|
}
|
|
}
|
|
|
|
$result = new Dropbox_SentWork(
|
|
$_user['user_id'],
|
|
$dropbox_title,
|
|
isset($_POST['description']) ? $_POST['description'] : '',
|
|
api_get_user_id(),
|
|
$dropbox_filename,
|
|
$dropbox_filesize,
|
|
$new_work_recipients
|
|
);
|
|
|
|
Security::clear_token();
|
|
Display::addFlash(Display::return_message(get_lang('FileUploadSucces')));
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Transforms the array containing all the feedback into something visually attractive.
|
|
*
|
|
* @param an array containing all the feedback about the given message.
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function feedback($array) {
|
|
$output = null;
|
|
foreach ($array as $value) {
|
|
$output .= format_feedback($value);
|
|
}
|
|
$output .= feedback_form();
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* This function returns the html code to display the feedback messages on a given dropbox file
|
|
* @param $feedback_array an array that contains all the feedback messages about the given document.
|
|
* @return string code
|
|
* @todo add the form for adding new comment (if the other party has not deleted it yet).
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function format_feedback($feedback)
|
|
{
|
|
$userInfo = api_get_user_info($feedback['author_user_id']);
|
|
$output = UserManager::getUserProfileLink($userInfo);
|
|
$output .= ' '.api_convert_and_format_date($feedback['feedback_date'], DATE_TIME_FORMAT_LONG).'<br />';
|
|
$output .= '<div style="padding-top:6px">'.nl2br($feedback['feedback']).'</div><hr size="1" noshade/><br />';
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* this function returns the code for the form for adding a new feedback message to a dropbox file.
|
|
* @return string code
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function feedback_form()
|
|
{
|
|
$return = get_lang('AddNewFeedback').'<br />';
|
|
$number_users_who_see_file = check_if_file_exist($_GET['id']);
|
|
if ($number_users_who_see_file) {
|
|
$token = Security::get_token();
|
|
$return .= '<textarea name="feedback" style="width: 80%; height: 80px;"></textarea>';
|
|
$return .= '<input type="hidden" name="sec_token" value="'.$token.'"/>';
|
|
$return .= '<br /><button type="submit" class="add" name="store_feedback" value="'.get_lang('Ok').'"
|
|
onclick="javascript: document.form_dropbox.attributes.action.value = document.location;">'.get_lang('AddComment').'</button>';
|
|
} else {
|
|
$return .= get_lang('AllUsersHaveDeletedTheFileAndWillNotSeeFeedback');
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function user_can_download_file($id, $user_id)
|
|
{
|
|
$course_id = api_get_course_int_id();
|
|
$id = intval($id);
|
|
$user_id = intval($user_id);
|
|
|
|
$sql = "SELECT file_id FROM ". Database::get_course_table(TABLE_DROPBOX_PERSON) ."
|
|
WHERE c_id = $course_id AND user_id = $user_id AND file_id = ".$id;
|
|
$result = Database::query($sql);
|
|
$number_users_who_see_file = Database::num_rows($result);
|
|
|
|
$sql = "SELECT file_id FROM ". Database::get_course_table(TABLE_DROPBOX_POST) ."
|
|
WHERE c_id = $course_id AND dest_user_id = $user_id AND file_id = ".$id;
|
|
$result = Database::query($sql);
|
|
$count = Database::num_rows($result);
|
|
return $number_users_who_see_file > 0 || $count > 0;
|
|
}
|
|
|
|
// we now check if the other users have not delete this document yet.
|
|
// If this is the case then it is useless to see the
|
|
// add feedback since the other users will never get to see the feedback.
|
|
function check_if_file_exist($id)
|
|
{
|
|
$id = intval($id);
|
|
$course_id = api_get_course_int_id();
|
|
$sql = "SELECT file_id FROM ". Database::get_course_table(TABLE_DROPBOX_PERSON) ."
|
|
WHERE c_id = $course_id AND file_id = ".$id;
|
|
$result = Database::query($sql);
|
|
$number_users_who_see_file = Database::num_rows($result);
|
|
|
|
$sql = "SELECT file_id FROM ". Database::get_course_table(TABLE_DROPBOX_POST) ."
|
|
WHERE c_id = $course_id AND file_id = ".$id;
|
|
$result = Database::query($sql);
|
|
$count = Database::num_rows($result);
|
|
return $number_users_who_see_file > 0 || $count > 0;
|
|
}
|
|
|
|
/**
|
|
* @return string language string (depending on the success or failure.
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function store_feedback()
|
|
{
|
|
if (!is_numeric($_GET['id'])) {
|
|
return get_lang('FeedbackError');
|
|
}
|
|
$course_id = api_get_course_int_id();
|
|
if (empty($_POST['feedback'])) {
|
|
return get_lang('PleaseTypeText');
|
|
} else {
|
|
$params = [
|
|
'c_id' => $course_id,
|
|
'file_id' => $_GET['id'],
|
|
'author_user_id' => api_get_user_id(),
|
|
'feedback' => $_POST['feedback'],
|
|
'feedback_date' => api_get_utc_datetime(),
|
|
];
|
|
|
|
$id = Database::insert(Database::get_course_table(TABLE_DROPBOX_FEEDBACK), $params);
|
|
if ($id) {
|
|
$sql = "UPDATE ". Database::get_course_table(TABLE_DROPBOX_FEEDBACK) ." SET feedback_id = iid WHERE iid = $id";
|
|
Database::query($sql);
|
|
}
|
|
|
|
return get_lang('DropboxFeedbackStored');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function downloads all the files of the input array into one zip
|
|
* @param array $fileList containing all the ids of the files that have to be downloaded.
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @todo consider removing the check if the user has received or sent this file (zip download of a folder already sufficiently checks for this).
|
|
* @todo integrate some cleanup function that removes zip files that are older than 2 days
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @author Julio Montoya Addin c_id support
|
|
* @version march 2006
|
|
*/
|
|
function zip_download($fileList)
|
|
{
|
|
$_course = api_get_course_info();
|
|
$course_id = api_get_course_int_id();
|
|
$fileList = array_map('intval', $fileList);
|
|
|
|
// note: we also have to add the check if the user has received or sent this file.
|
|
$sql = "SELECT DISTINCT file.filename, file.title, file.author, file.description
|
|
FROM ". Database::get_course_table(TABLE_DROPBOX_FILE) ." file
|
|
INNER JOIN ". Database::get_course_table(TABLE_DROPBOX_PERSON) ." person
|
|
ON (person.file_id=file.id AND file.c_id = $course_id AND person.c_id = $course_id)
|
|
INNER JOIN ". Database::get_course_table(TABLE_DROPBOX_POST) ." post
|
|
ON (post.file_id = file.id AND post.c_id = $course_id AND file.c_id = $course_id)
|
|
WHERE
|
|
file.id IN (".implode(', ', $fileList).") AND
|
|
file.id = person.file_id AND
|
|
(
|
|
person.user_id = '".api_get_user_id()."' OR
|
|
post.dest_user_id = '".api_get_user_id()."'
|
|
) ";
|
|
$result = Database::query($sql);
|
|
|
|
$files = array();
|
|
while ($row = Database::fetch_array($result)) {
|
|
$files[$row['filename']] = array(
|
|
'filename' => $row['filename'],
|
|
'title' => $row['title'],
|
|
'author' => $row['author'],
|
|
'description' => $row['description']
|
|
);
|
|
}
|
|
|
|
// Step 3: create the zip file and add all the files to it
|
|
$temp_zip_file = api_get_path(SYS_ARCHIVE_PATH).api_get_unique_id().".zip";
|
|
Session::write('dropbox_files_to_download', $files);
|
|
$zip = new PclZip($temp_zip_file);
|
|
foreach ($files as $value) {
|
|
$zip->add(
|
|
api_get_path(SYS_COURSE_PATH).$_course['path'].'/dropbox/'.$value['filename'],
|
|
PCLZIP_OPT_REMOVE_ALL_PATH,
|
|
PCLZIP_CB_PRE_ADD,
|
|
'my_pre_add_callback'
|
|
);
|
|
}
|
|
Session::erase('dropbox_files_to_download');
|
|
$name = 'dropbox-'.api_get_utc_datetime().'.zip';
|
|
$result = DocumentManager::file_send_for_download($temp_zip_file, true, $name);
|
|
if ($result === false) {
|
|
api_not_allowed(true);
|
|
}
|
|
@unlink($temp_zip_file);
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* This is a callback function to decrypt the files in the zip file to their normal filename (as stored in the database)
|
|
* @param array $p_event a variable of PCLZip
|
|
* @param array $p_header a variable of PCLZip
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function my_pre_add_callback($p_event, &$p_header)
|
|
{
|
|
$files = Session::read('dropbox_files_to_download');
|
|
$p_header['stored_filename'] = $files[$p_header['stored_filename']]['title'];
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @desc Generates the contents of a html file that gives an overview of all the files in the zip file.
|
|
* This is to know the information of the files that are inside the zip file (who send it, the comment, ...)
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, March 2006
|
|
* @author Ivan Tcholakov, 2010, code for html metadata has been added.
|
|
*/
|
|
function generate_html_overview($files, $dont_show_columns = array(), $make_link = array())
|
|
{
|
|
$return = '<!DOCTYPE html'."\n";
|
|
$return .= "\t".'PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"'."\n";
|
|
$return .= "\t".'"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'."\n";
|
|
$return .= '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.api_get_language_isocode().'" lang="'.api_get_language_isocode().'">'."\n";
|
|
|
|
$return .= "<head>\n\t<title>".get_lang('OverviewOfFilesInThisZip')."</title>\n";
|
|
$return .= "\t".'<meta http-equiv="Content-Type" content="text/html; charset='.api_get_system_encoding().'" />'."\n";
|
|
$return .= "</head>\n\n";
|
|
$return .= '<body dir="'.api_get_text_direction().'">'."\n\n";
|
|
$return .= "<table border=\"1px\">\n";
|
|
|
|
$counter = 0;
|
|
foreach ($files as $value) {
|
|
|
|
// Adding the header.
|
|
if ($counter == 0) {
|
|
$columns_array = array_keys($value);
|
|
$return .= "\n<tr>";
|
|
foreach ($columns_array as $columns_array_key => $columns_array_value) {
|
|
if (!in_array($columns_array_value, $dont_show_columns)) {
|
|
$return .= "\n\t<th>".$columns_array_value."</th>";
|
|
}
|
|
$column[] = $columns_array_value;
|
|
}
|
|
$return .= "\n</tr>\n";
|
|
}
|
|
$counter++;
|
|
|
|
// Adding the content.
|
|
$return .= "\n<tr>";
|
|
foreach ($column as $column_key => $column_value) {
|
|
if (!in_array($column_value,$dont_show_columns)) {
|
|
$return .= "\n\t<td>";
|
|
if (in_array($column_value, $make_link)) {
|
|
$return .= '<a href="'.$value[$column_value].'">'.$value[$column_value].'</a>';
|
|
} else {
|
|
$return .= $value[$column_value];
|
|
}
|
|
$return .= "</td>";
|
|
}
|
|
}
|
|
$return .= "\n</tr>\n";
|
|
}
|
|
$return .= "\n</table>\n\n</body>";
|
|
$return .= "\n</html>";
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* @desc This function retrieves the number of feedback messages on every document. This function might become obsolete when
|
|
* the feedback becomes user individual.
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function get_total_number_feedback($file_id = '')
|
|
{
|
|
$course_id = api_get_course_int_id();
|
|
$sql = "SELECT COUNT(feedback_id) AS total, file_id
|
|
FROM ". Database::get_course_table(TABLE_DROPBOX_FEEDBACK) ."
|
|
WHERE c_id = $course_id GROUP BY file_id";
|
|
$result = Database::query($sql);
|
|
$return = array();
|
|
while ($row=Database::fetch_array($result)) {
|
|
$return[$row['file_id']] = $row['total'];
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* @desc this function checks if the key exists. If this is the case it returns the value, if not it returns 0
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*/
|
|
function check_number_feedback($key, $array)
|
|
{
|
|
if (is_array($array)) {
|
|
if (array_key_exists($key, $array)) {
|
|
return $array[$key];
|
|
} else {
|
|
return 0;
|
|
}
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the last access to a given tool of a given user
|
|
* @param $tool string the tool constant
|
|
* @param $courseId the course_id
|
|
* @param $user_id the id of the user
|
|
* @return string last tool access date
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version march 2006
|
|
*
|
|
* @todo consider moving this function to a more appropriate place.
|
|
*/
|
|
function get_last_tool_access($tool, $courseId = null, $user_id = null)
|
|
{
|
|
// The default values of the parameters
|
|
if (empty($courseId)) {
|
|
$courseId = api_get_course_int_id();
|
|
}
|
|
if (empty($user_id)) {
|
|
$user_id = api_get_user_id();
|
|
}
|
|
|
|
// the table where the last tool access is stored (=track_e_lastaccess)
|
|
$table_last_access = Database::get_main_table('track_e_lastaccess');
|
|
|
|
$sql = "SELECT access_date FROM $table_last_access
|
|
WHERE
|
|
access_user_id = ".intval($user_id)." AND
|
|
c_id='".intval($courseId)."' AND
|
|
access_tool='".Database::escape_string($tool)."'
|
|
ORDER BY access_date DESC
|
|
LIMIT 1";
|
|
$result = Database::query($sql);
|
|
$row = Database::fetch_array($result);
|
|
return $row['access_date'];
|
|
}
|
|
/**
|
|
* Previously $dropbox_cnf['mailingIdBase'], returns a mailing ID to generate a mail ID
|
|
* @return int
|
|
*/
|
|
function get_mail_id_base()
|
|
{
|
|
// false = no mailing functionality
|
|
//$dropbox_cnf['mailingIdBase'] = 10000000; // bigger than any user_id,
|
|
// allowing enough space for pseudo_ids as uploader_id, dest_user_id, user_id:
|
|
// mailing pseudo_id = dropbox_cnf('mailingIdBase') + mailing id
|
|
return 10000000;
|
|
} |