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1952 lines
75 KiB
1952 lines
75 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Function library for the links tool.
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*
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* This is a complete remake of the original link tool.
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* New features:
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* - Organize links into categories;
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* - favorites/bookmarks interface;
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* - move links up/down within a category;
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* - move categories up/down;
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* - expand/collapse all categories;
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* - add link to 'root' category => category-less link is always visible.
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*
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* @author Patrick Cool, complete remake (December 2003 - January 2004)
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* @author René Haentjens, CSV file import (October 2004)
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* @package chamilo.link
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*/
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class Link extends Model
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{
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public $table;
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public $is_course_model = true;
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public $columns = array(
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'id',
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'c_id',
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'url',
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'title',
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'description',
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'category_id',
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'display_order',
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'on_homepage',
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'target',
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'session_id'
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);
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public $required = array('url', 'title');
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/**
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*
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*/
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public function __construct()
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{
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$this->table = Database::get_course_table(TABLE_LINK);
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}
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/**
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* Organize the saving of a link, using the parent's save method and
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* updating the item_property table
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* @param array $params
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* @param boolean $show_query Whether to show the query in logs when
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* calling parent's save method
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*
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* @return bool True if link could be saved, false otherwise
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*/
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public function save($params, $show_query = null)
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{
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$course_info = api_get_course_info();
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$params['session_id'] = api_get_session_id();
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$params['category_id'] = isset($params['category_id']) ? $params['category_id'] : 0;
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$id = parent::save($params, $show_query);
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if (!empty($id)) {
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api_item_property_update(
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$course_info,
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TOOL_LINK,
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$id,
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'LinkAdded',
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api_get_user_id()
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);
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}
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return $id;
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}
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/**
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* Update a link in the database
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* @param int $linkId The ID of the link to update
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* @param string $linkUrl The new URL to be saved
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* @param int Course ID
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* @param int Session ID
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* @return bool
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*/
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public function updateLink(
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$linkId,
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$linkUrl,
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$courseId = null,
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$sessionId = null
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) {
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$tblLink = Database:: get_course_table(TABLE_LINK);
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$linkUrl = Database::escape_string($linkUrl);
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$linkId = intval($linkId);
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if (is_null($courseId)) {
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$courseId = api_get_course_int_id();
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}
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$courseId = intval($courseId);
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if (is_null($sessionId)) {
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$sessionId = api_get_session_id();
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}
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$sessionId = intval($sessionId);
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if ($linkUrl != '') {
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$sql = "UPDATE $tblLink SET url = '$linkUrl'
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WHERE id = $linkId AND c_id = $courseId AND session_id = $sessionId";
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$resLink = Database::query($sql);
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return $resLink;
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}
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return false;
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}
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/**
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* Used to add a link or a category
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* @param string $type , "link" or "category"
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* @todo replace strings by constants
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @return bool True on success, false on failure
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*/
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public static function addlinkcategory($type)
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{
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global $catlinkstatus;
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global $msgErr;
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$ok = true;
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$course_id = api_get_course_int_id();
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$_course = api_get_course_info();
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$session_id = api_get_session_id();
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if ($type == 'link') {
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$tbl_link = Database:: get_course_table(TABLE_LINK);
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$title = Security:: remove_XSS(stripslashes($_POST['title']));
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$urllink = Security:: remove_XSS($_POST['url']);
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$description = Security:: remove_XSS($_POST['description']);
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$selectcategory = Security:: remove_XSS($_POST['category_id']);
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if (!isset($_POST['on_homepage'])) {
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$onhomepage = 0;
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} else {
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$onhomepage = Security:: remove_XSS($_POST['on_homepage']);
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}
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if (empty($_POST['target'])) {
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$target = '_self'; // Default target.
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} else {
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$target = Security:: remove_XSS($_POST['target']);
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}
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$urllink = trim($urllink);
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$title = trim($title);
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$description = trim($description);
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// We ensure URL to be absolute.
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if (strpos($urllink, '://') === false) {
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$urllink = 'http://' . $urllink;
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}
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// If the title is empty, we use the URL as title.
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if ($title == '') {
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$title = $urllink;
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}
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// If the URL is invalid, an error occurs.
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if (!api_valid_url($urllink, true)) {
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// A check against an absolute URL
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Display::addFlash(Display::return_message(get_lang('GiveURL'), 'error'));
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return false;
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} else {
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// Looking for the largest order number for this category.
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$result = Database:: query(
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"SELECT MAX(display_order) FROM " . $tbl_link . "
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WHERE
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c_id = $course_id AND
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category_id = '" . intval($selectcategory)."'"
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);
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list ($orderMax) = Database:: fetch_row($result);
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$order = $orderMax + 1;
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$sql = "INSERT INTO " . $tbl_link . "
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(c_id, url, title, description, category_id, display_order, on_homepage, target, session_id)
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VALUES
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(" . $course_id . ",
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'" . Database:: escape_string($urllink) . "',
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'" . Database:: escape_string($title) . "',
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'" . Database:: escape_string($description) . "',
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'" . Database:: escape_string($selectcategory) . "',
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'" . Database:: escape_string($order) . "',
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'" . Database:: escape_string($onhomepage) . "',
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'" . Database:: escape_string($target) . "',
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'" . Database:: escape_string($session_id) . "')";
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$catlinkstatus = get_lang('LinkAdded');
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Database:: query($sql);
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$link_id = Database:: insert_id();
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if ($link_id) {
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api_set_default_visibility($link_id, TOOL_LINK);
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api_item_property_update(
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$_course,
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TOOL_LINK,
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$link_id,
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'LinkAdded',
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api_get_user_id()
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);
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}
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if ((api_get_setting('search_enabled') == 'true') &&
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$link_id && extension_loaded('xapian')
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) {
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require_once api_get_path(
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LIBRARY_PATH
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) . 'search/ChamiloIndexer.class.php';
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require_once api_get_path(
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LIBRARY_PATH
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) . 'search/IndexableChunk.class.php';
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require_once api_get_path(
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LIBRARY_PATH
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) . 'specific_fields_manager.lib.php';
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$course_int_id = api_get_course_int_id();
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$courseid = api_get_course_id();
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$specific_fields = get_specific_field_list();
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$ic_slide = new IndexableChunk();
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// Add all terms to db.
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$all_specific_terms = '';
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foreach ($specific_fields as $specific_field) {
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if (isset ($_REQUEST[$specific_field['code']])) {
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$sterms = trim($_REQUEST[$specific_field['code']]);
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if (!empty ($sterms)) {
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$all_specific_terms .= ' ' . $sterms;
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$sterms = explode(',', $sterms);
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foreach ($sterms as $sterm) {
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$ic_slide->addTerm(
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trim($sterm),
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$specific_field['code']
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);
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add_specific_field_value(
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$specific_field['id'],
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$courseid,
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TOOL_LINK,
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$link_id,
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$sterm
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);
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}
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}
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}
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}
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// Build the chunk to index.
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$ic_slide->addValue('title', $title);
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$ic_slide->addCourseId($courseid);
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$ic_slide->addToolId(TOOL_LINK);
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$xapian_data = array(
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SE_COURSE_ID => $courseid,
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SE_TOOL_ID => TOOL_LINK,
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SE_DATA => array(
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'link_id' => (int)$link_id
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),
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SE_USER => (int)api_get_user_id(),
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);
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$ic_slide->xapian_data = serialize($xapian_data);
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$description = $all_specific_terms . ' ' . $description;
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$ic_slide->addValue('content', $description);
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// Add category name if set.
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if (isset($selectcategory) && $selectcategory > 0) {
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$table_link_category = Database:: get_course_table(
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TABLE_LINK_CATEGORY
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);
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$sql_cat = 'SELECT * FROM %s WHERE id=%d AND c_id = %d LIMIT 1';
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$sql_cat = sprintf(
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$sql_cat,
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$table_link_category,
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(int)$selectcategory,
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$course_int_id
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);
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$result = Database:: query($sql_cat);
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if (Database:: num_rows($result) == 1) {
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$row = Database:: fetch_array($result);
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$ic_slide->addValue(
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'category',
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$row['category_title']
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);
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}
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}
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$di = new ChamiloIndexer();
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isset ($_POST['language']) ? $lang = Database:: escape_string(
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$_POST['language']
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) : $lang = 'english';
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$di->connectDb(null, null, $lang);
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$di->addChunk($ic_slide);
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// Index and return search engine document id.
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$did = $di->index();
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if ($did) {
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// Save it to db.
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$tbl_se_ref = Database:: get_main_table(
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TABLE_MAIN_SEARCH_ENGINE_REF
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);
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$sql = 'INSERT INTO %s (c_id, id, course_code, tool_id, ref_id_high_level, search_did)
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VALUES (NULL , \'%s\', \'%s\', %s, %s)';
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$sql = sprintf(
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$sql,
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$tbl_se_ref,
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$course_int_id,
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$courseid,
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TOOL_LINK,
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$link_id,
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$did
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);
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Database:: query($sql);
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}
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}
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Display::addFlash(Display::return_message(get_lang('LinkAdded')));
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}
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} elseif ($type == 'category') {
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$tbl_categories = Database:: get_course_table(TABLE_LINK_CATEGORY);
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$category_title = trim($_POST['category_title']);
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$description = trim($_POST['description']);
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if (empty($category_title)) {
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$msgErr = get_lang('GiveCategoryName');
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Display:: display_error_message(get_lang('GiveCategoryName'));
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$ok = false;
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} else {
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// Looking for the largest order number for this category.
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$result = Database:: query(
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"SELECT MAX(display_order) FROM $tbl_categories
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WHERE c_id = $course_id "
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);
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list ($orderMax) = Database:: fetch_row($result);
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$order = $orderMax + 1;
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$order = intval($order);
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$session_id = api_get_session_id();
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$sql = "INSERT INTO " . $tbl_categories . " (c_id, category_title, description, display_order, session_id)
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VALUES (" . $course_id . ",
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'" . Database::escape_string($category_title) . "',
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'" . Database::escape_string($description) . "',
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'$order',
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'$session_id'
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)";
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Database:: query($sql);
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$linkId = Database:: insert_id();
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if ($linkId) {
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// add link_category visibility
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// course ID is taken from context in api_set_default_visibility
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api_set_default_visibility($linkId, TOOL_LINK_CATEGORY);
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}
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Display::addFlash(Display::return_message(get_lang('CategoryAdded')));
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}
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}
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return $ok;
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}
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/**
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* Used to delete a link or a category
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @param int $id
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* @param string $type The type of item to delete
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* @return bool
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*/
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public static function deletelinkcategory($id, $type)
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{
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$courseInfo = api_get_course_info();
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$tbl_link = Database:: get_course_table(TABLE_LINK);
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$tbl_categories = Database:: get_course_table(TABLE_LINK_CATEGORY);
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$course_id = api_get_course_int_id();
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$id = intval($id);
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if (empty($id)) {
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return false;
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}
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$result = false;
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switch ($type) {
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case 'link':
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// -> Items are no longer physically deleted,
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// but the visibility is set to 2 (in item_property).
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// This will make a restore function possible for the platform administrator.
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$sql = "UPDATE $tbl_link SET on_homepage='0'
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WHERE c_id = $course_id AND id='" . $id . "'";
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Database:: query($sql);
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api_item_property_update(
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$courseInfo,
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TOOL_LINK,
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$id,
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'delete',
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api_get_user_id()
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);
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self::delete_link_from_search_engine(api_get_course_id(), $id);
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Display:: display_confirmation_message(get_lang('LinkDeleted'));
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$result = true;
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break;
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case 'category':
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// First we delete the category itself and afterwards all the links of this category.
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$sql = "DELETE FROM " . $tbl_categories . "
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WHERE c_id = $course_id AND id='" . $id . "'";
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Database:: query($sql);
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$sql = "DELETE FROM " . $tbl_link . "
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WHERE c_id = $course_id AND category_id='" . $id . "'";
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Database:: query($sql);
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api_item_property_update(
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$courseInfo,
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TOOL_LINK_CATEGORY,
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$id,
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'delete',
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api_get_user_id()
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);
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Display::addFlash(Display::return_message(get_lang('CategoryDeleted')));
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$result = true;
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break;
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}
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return $result;
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}
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/**
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* Removes a link from search engine database
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* @param string $course_id Course code
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* @param int $link_id Document id to delete
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* @return void
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*/
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public static function delete_link_from_search_engine($course_id, $link_id)
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{
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// Remove from search engine if enabled.
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if (api_get_setting('search_enabled') == 'true') {
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$tbl_se_ref = Database:: get_main_table(
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TABLE_MAIN_SEARCH_ENGINE_REF
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);
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$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
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$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_LINK, $link_id);
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$res = Database:: query($sql);
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if (Database:: num_rows($res) > 0) {
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$row = Database:: fetch_array($res);
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require_once api_get_path(
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LIBRARY_PATH
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) . 'search/ChamiloIndexer.class.php';
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$di = new ChamiloIndexer();
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$di->remove_document((int)$row['search_did']);
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}
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$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
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$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_LINK, $link_id);
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Database:: query($sql);
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// Remove terms from db.
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require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
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delete_all_values_for_item($course_id, TOOL_DOCUMENT, $link_id);
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}
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}
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/**
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*
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* Get link info
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* @param int link id
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* @return array link info
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*
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**/
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public static function get_link_info($id)
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{
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$tbl_link = Database:: get_course_table(TABLE_LINK);
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$course_id = api_get_course_int_id();
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$sql = "SELECT * FROM " . $tbl_link . "
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WHERE c_id = $course_id AND id='" . intval($id) . "' ";
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$result = Database::query($sql);
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$data = array();
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if (Database::num_rows($result)) {
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$data = Database::fetch_array($result);
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}
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return $data;
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}
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/**
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* @param int $id
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* @param array $values
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*/
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public static function editLink($id, $values = array())
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{
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$tbl_link = Database:: get_course_table(TABLE_LINK);
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$course_id = api_get_course_int_id();
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$_course = api_get_course_info();
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$values['url'] = trim($values['url']);
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$values['title'] = trim($values['title']);
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$values['description'] = trim($values['description']);
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$values['target'] = empty($values['target']) ? '_self' : $values['target'];
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$values['on_homepage'] = isset($values['on_homepage']) ? $values['on_homepage'] : '';
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$categoryId = intval($values['category_id']);
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// We ensure URL to be absolute.
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if (strpos($values['url'], '://') === false) {
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$values['url'] = 'http://' . $_POST['url'];
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}
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// If the title is empty, we use the URL as title.
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if ($values['title'] == '') {
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$values['title'] = $values['url'];
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}
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// If the URL is invalid, an error occurs.
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if (!api_valid_url($values['url'], true)) {
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Display::addFlash(
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Display::return_message(get_lang('GiveURL'), 'error')
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);
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return false;
|
|
}
|
|
|
|
// Finding the old category_id.
|
|
$sql = "SELECT * FROM " . $tbl_link . "
|
|
WHERE c_id = $course_id AND id='" . $id . "'";
|
|
$result = Database:: query($sql);
|
|
$row = Database:: fetch_array($result);
|
|
$category_id = $row['category_id'];
|
|
|
|
if ($category_id != $values['category_id']) {
|
|
$sql = "SELECT MAX(display_order)
|
|
FROM " . $tbl_link . "
|
|
WHERE
|
|
c_id = $course_id AND
|
|
category_id='" . intval($values['category_id']) . "'";
|
|
$result = Database:: query($sql);
|
|
list ($max_display_order) = Database:: fetch_row($result);
|
|
$max_display_order++;
|
|
} else {
|
|
$max_display_order = $row['display_order'];
|
|
}
|
|
$params = [
|
|
'url' => $values['url'],
|
|
'title' => $values['title'],
|
|
'description' => $values['description'],
|
|
'category_id' => $values['category_id'],
|
|
'display_order' => $max_display_order,
|
|
'on_homepage' => $values['on_homepage'],
|
|
'target' => $values['target'],
|
|
'category_id' => $values['category_id'],
|
|
];
|
|
Database::update($tbl_link, $params, ['c_id = ? AND id = ?' => [$course_id, $id] ]);
|
|
|
|
// Update search enchine and its values table if enabled.
|
|
if (api_get_setting('search_enabled') == 'true') {
|
|
$course_int_id = api_get_course_int_id();
|
|
$course_id = api_get_course_id();
|
|
$link_title = Database:: escape_string($values['title']);
|
|
$link_description = Database:: escape_string($values['description']);
|
|
|
|
// Actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one.
|
|
// Get search_did.
|
|
$tbl_se_ref = Database:: get_main_table(
|
|
TABLE_MAIN_SEARCH_ENGINE_REF
|
|
);
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
|
|
$sql = sprintf(
|
|
$sql,
|
|
$tbl_se_ref,
|
|
$course_id,
|
|
TOOL_LINK,
|
|
$id
|
|
);
|
|
$res = Database:: query($sql);
|
|
|
|
if (Database:: num_rows($res) > 0) {
|
|
require_once api_get_path(
|
|
LIBRARY_PATH
|
|
).'search/ChamiloIndexer.class.php';
|
|
require_once api_get_path(
|
|
LIBRARY_PATH
|
|
).'search/IndexableChunk.class.php';
|
|
require_once api_get_path(
|
|
LIBRARY_PATH
|
|
).'specific_fields_manager.lib.php';
|
|
|
|
$se_ref = Database:: fetch_array($res);
|
|
$specific_fields = get_specific_field_list();
|
|
$ic_slide = new IndexableChunk();
|
|
|
|
$all_specific_terms = '';
|
|
foreach ($specific_fields as $specific_field) {
|
|
delete_all_specific_field_value(
|
|
$course_id,
|
|
$specific_field['id'],
|
|
TOOL_LINK,
|
|
$id
|
|
);
|
|
if (isset ($_REQUEST[$specific_field['code']])) {
|
|
$sterms = trim(
|
|
$_REQUEST[$specific_field['code']]
|
|
);
|
|
if (!empty ($sterms)) {
|
|
$all_specific_terms .= ' ' . $sterms;
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
$ic_slide->addTerm(
|
|
trim($sterm),
|
|
$specific_field['code']
|
|
);
|
|
add_specific_field_value(
|
|
$specific_field['id'],
|
|
$course_id,
|
|
TOOL_LINK,
|
|
$id,
|
|
$sterm
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Build the chunk to index.
|
|
$ic_slide->addValue("title", $link_title);
|
|
$ic_slide->addCourseId($course_id);
|
|
$ic_slide->addToolId(TOOL_LINK);
|
|
$xapian_data = array(
|
|
SE_COURSE_ID => $course_id,
|
|
SE_TOOL_ID => TOOL_LINK,
|
|
SE_DATA => array(
|
|
'link_id' => (int)$id
|
|
),
|
|
SE_USER => (int)api_get_user_id(),
|
|
|
|
);
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
$link_description = $all_specific_terms . ' ' . $link_description;
|
|
$ic_slide->addValue('content', $link_description);
|
|
|
|
// Add category name if set.
|
|
if (isset ($categoryId) && $categoryId > 0) {
|
|
$table_link_category = Database:: get_course_table(
|
|
TABLE_LINK_CATEGORY
|
|
);
|
|
$sql_cat = 'SELECT * FROM %s WHERE id=%d and c_id = %d LIMIT 1';
|
|
$sql_cat = sprintf(
|
|
$sql_cat,
|
|
$table_link_category,
|
|
$categoryId,
|
|
$course_int_id
|
|
);
|
|
$result = Database:: query($sql_cat);
|
|
if (Database:: num_rows($result) == 1) {
|
|
$row = Database:: fetch_array($result);
|
|
$ic_slide->addValue(
|
|
'category',
|
|
$row['category_title']
|
|
);
|
|
}
|
|
}
|
|
|
|
$di = new ChamiloIndexer();
|
|
isset ($_POST['language']) ? $lang = Database:: escape_string($_POST['language']) : $lang = 'english';
|
|
$di->connectDb(null, null, $lang);
|
|
$di->remove_document((int)$se_ref['search_did']);
|
|
$di->addChunk($ic_slide);
|
|
|
|
// Index and return search engine document id.
|
|
$did = $di->index();
|
|
if ($did) {
|
|
// Save it to db.
|
|
$sql = 'DELETE FROM %s
|
|
WHERE course_code=\'%s\'
|
|
AND tool_id=\'%s\'
|
|
AND ref_id_high_level=\'%s\'';
|
|
$sql = sprintf(
|
|
$sql,
|
|
$tbl_se_ref,
|
|
$course_id,
|
|
TOOL_LINK,
|
|
$id
|
|
);
|
|
Database:: query($sql);
|
|
$sql = 'INSERT INTO %s (c_id, id, course_code, tool_id, ref_id_high_level, search_did)
|
|
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
$sql = sprintf(
|
|
$sql,
|
|
$tbl_se_ref,
|
|
$course_int_id,
|
|
$course_id,
|
|
TOOL_LINK,
|
|
$id,
|
|
$did
|
|
);
|
|
Database:: query($sql);
|
|
}
|
|
}
|
|
}
|
|
|
|
// "WHAT'S NEW" notification: update table last_toolEdit.
|
|
api_item_property_update(
|
|
$_course,
|
|
TOOL_LINK,
|
|
$id,
|
|
'LinkUpdated',
|
|
api_get_user_id()
|
|
);
|
|
Display::addFlash(Display::return_message(get_lang('LinkModded')));
|
|
}
|
|
|
|
/**
|
|
* @param int $id
|
|
* @return bool
|
|
*/
|
|
public static function editCategory($id, $values)
|
|
{
|
|
$tbl_categories = Database:: get_course_table(TABLE_LINK_CATEGORY);
|
|
$course_id = api_get_course_int_id();
|
|
$id = intval($id);
|
|
|
|
// This is used to put the modified info of the category-form into the database.
|
|
|
|
$params = [
|
|
'category_title' => $values['category_title'],
|
|
'description' => $values['description']
|
|
];
|
|
Database::update($tbl_categories, $params, ['c_id = ? AND id = ?' => [$course_id, $id] ]);
|
|
|
|
Display::addFlash(Display::return_message(get_lang('CategoryModded')));
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Creates a correct $view for in the URL
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
*/
|
|
public static function makedefaultviewcode($locatie)
|
|
{
|
|
global $aantalcategories, $view;
|
|
for ($j = 0; $j <= $aantalcategories - 1; $j++) {
|
|
$view[$j] = 0;
|
|
}
|
|
$view[intval($locatie)] = '1';
|
|
}
|
|
|
|
/**
|
|
* Changes the visibility of a link
|
|
* @todo add the changing of the visibility of a course
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
*/
|
|
public static function change_visibility_link($id, $scope)
|
|
{
|
|
$_course = api_get_course_info();
|
|
$_user = api_get_user_info();
|
|
if ($scope == TOOL_LINK) {
|
|
api_item_property_update(
|
|
$_course,
|
|
TOOL_LINK,
|
|
$id,
|
|
$_GET['action'],
|
|
$_user['user_id']
|
|
);
|
|
Display::addFlash(Display::return_message(get_lang('VisibilityChanged')));
|
|
|
|
} elseif ($scope == TOOL_LINK_CATEGORY) {
|
|
api_item_property_update(
|
|
$_course,
|
|
TOOL_LINK_CATEGORY,
|
|
$id,
|
|
$_GET['action'],
|
|
$_user['user_id']
|
|
);
|
|
Display::addFlash(Display::return_message(get_lang('VisibilityChanged')));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate SQL to select all the links categories in the current course and
|
|
* session
|
|
* @param int $courseId
|
|
* @param int $sessionId
|
|
* @return array
|
|
*/
|
|
public static function getLinkCategories($courseId, $sessionId)
|
|
{
|
|
$tblLinkCategory = Database:: get_course_table(TABLE_LINK_CATEGORY);
|
|
$tblItemProperty = Database:: get_course_table(TABLE_ITEM_PROPERTY);
|
|
$courseId = intval($courseId);
|
|
// Condition for the session.
|
|
$sessionCondition = api_get_session_condition($sessionId, true, true);
|
|
|
|
// Getting links
|
|
$sql = "SELECT *, linkcat.id
|
|
FROM $tblLinkCategory linkcat
|
|
WHERE
|
|
linkcat.c_id = " . $courseId . "
|
|
$sessionCondition
|
|
ORDER BY linkcat.display_order DESC";
|
|
|
|
$result = Database::query($sql);
|
|
$categories = Database::store_result($result);
|
|
|
|
$sql = "SELECT *, linkcat.id
|
|
FROM $tblLinkCategory linkcat
|
|
INNER JOIN $tblItemProperty itemproperties
|
|
ON (linkcat.id = itemproperties.ref AND linkcat.c_id = itemproperties.c_id)
|
|
WHERE
|
|
itemproperties.tool = '" . TOOL_LINK_CATEGORY . "' AND
|
|
(itemproperties.visibility = '0' OR itemproperties.visibility = '1')
|
|
$sessionCondition AND
|
|
linkcat.c_id = " . $courseId . "
|
|
ORDER BY linkcat.display_order DESC";
|
|
|
|
$result = Database::query($sql);
|
|
|
|
$categoryInItemProperty = array();
|
|
if (Database::num_rows($result)) {
|
|
while ($row = Database::fetch_array($result, 'ASSOC')) {
|
|
$categoryInItemProperty[$row['id']] = $row;
|
|
}
|
|
}
|
|
|
|
foreach ($categories as & $category) {
|
|
if (!isset($categoryInItemProperty[$category['id']])) {
|
|
api_set_default_visibility($category['id'], TOOL_LINK_CATEGORY);
|
|
}
|
|
}
|
|
|
|
$sql = "SELECT DISTINCT linkcat.*, visibility
|
|
FROM $tblLinkCategory linkcat
|
|
INNER JOIN $tblItemProperty itemproperties
|
|
ON (linkcat.id = itemproperties.ref AND linkcat.c_id = itemproperties.c_id)
|
|
WHERE
|
|
itemproperties.tool = '" . TOOL_LINK_CATEGORY . "' AND
|
|
(itemproperties.visibility = '0' OR itemproperties.visibility = '1')
|
|
$sessionCondition AND
|
|
linkcat.c_id = " . $courseId . "
|
|
GROUP BY c_id, id
|
|
ORDER BY linkcat.display_order DESC
|
|
";
|
|
$result = Database::query($sql);
|
|
|
|
return Database::store_result($result, 'ASSOC');
|
|
}
|
|
|
|
/**
|
|
* Displays all the links of a given category.
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
*/
|
|
public static function showlinksofcategory($catid)
|
|
{
|
|
global $urlview, $up, $down, $_user, $token;
|
|
|
|
$tbl_link = Database:: get_course_table(TABLE_LINK);
|
|
$TABLE_ITEM_PROPERTY = Database:: get_course_table(TABLE_ITEM_PROPERTY);
|
|
|
|
// Condition for the session.
|
|
$session_id = api_get_session_id();
|
|
$condition_session = api_get_session_condition($session_id, true, true);
|
|
$catid = intval($catid);
|
|
|
|
$course_id = api_get_course_int_id();
|
|
|
|
$sqlLinks = "SELECT *, link.id FROM $tbl_link link
|
|
INNER JOIN $TABLE_ITEM_PROPERTY itemproperties
|
|
ON (link.id=itemproperties.ref AND link.c_id = itemproperties.c_id )
|
|
WHERE
|
|
itemproperties.tool='" . TOOL_LINK . "' AND
|
|
link.category_id='" . $catid . "' AND
|
|
(itemproperties.visibility='0' OR itemproperties.visibility='1')
|
|
$condition_session AND
|
|
link.c_id = " . $course_id . " AND
|
|
itemproperties.c_id = " . $course_id . "
|
|
ORDER BY link.display_order DESC";
|
|
$result = Database:: query($sqlLinks);
|
|
$numberoflinks = Database:: num_rows($result);
|
|
if ($numberoflinks > 0) {
|
|
echo '<table class="data_table" width="100%">';
|
|
$i = 1;
|
|
while ($myrow = Database:: fetch_array($result)) {
|
|
// Validation when belongs to a session.
|
|
$session_img = api_get_session_image(
|
|
$myrow['session_id'],
|
|
$_user['status']
|
|
);
|
|
|
|
$css_class = $i % 2 == 0 ? $css_class = 'row_odd' : $css_class = 'row_even';
|
|
|
|
$link_validator = '';
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
$link_validator = Display::url(
|
|
Display::return_icon(
|
|
'preview_view.png',
|
|
get_lang('CheckURL'),
|
|
array(),
|
|
16
|
|
),
|
|
'#',
|
|
array(
|
|
'onclick' => "check_url('" . $myrow['id'] . "', '" . addslashes($myrow['url']) . "');"
|
|
)
|
|
);
|
|
$link_validator .= Display::span(
|
|
'',
|
|
array('id' => 'url_id_' . $myrow['id'])
|
|
);
|
|
}
|
|
|
|
if ($myrow['visibility'] == '1') {
|
|
echo '<tr class="' . $css_class . '">';
|
|
echo '<td align="center" valign="middle" width="5%">';
|
|
echo '<a href="link_goto.php?' . api_get_cidreq() .
|
|
'&link_id=' . $myrow['id'] .
|
|
'&link_url=' . urlencode($myrow['url']) . '" target="_blank">
|
|
<img src="../../main/img/link.gif" border="0" alt="' . get_lang('Link') . '"/></a>
|
|
</td>
|
|
<td width="80%" valign="top">
|
|
<a href="link_goto.php?' . api_get_cidreq() .
|
|
'&link_id=' . $myrow['id'] .
|
|
'&link_url=' . urlencode($myrow['url']) . '" target="' . $myrow['target'] . '">';
|
|
echo Security:: remove_XSS($myrow['title']);
|
|
echo '</a>';
|
|
echo $link_validator;
|
|
echo $session_img;
|
|
echo '<br />' . $myrow['description'];
|
|
} else {
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
echo '<tr class="' . $css_class . '">';
|
|
echo '<td align="center" valign="middle" width="5%">
|
|
<a href="link_goto.php?' . api_get_cidreq() .
|
|
'&link_id=' . $myrow['id'] . "
|
|
&link_url=" . urlencode($myrow['url']) . '"
|
|
target="_blank" class="invisible">';
|
|
echo Display:: return_icon(
|
|
'link_na.gif',
|
|
get_lang('Link')
|
|
), '</a>';
|
|
echo '</td><td width="80%" valign="top">
|
|
<a href="link_goto.php?', api_get_cidreq(), '&link_id=', $myrow['id'], '&link_url=', urlencode($myrow['url']), '" target="', $myrow['target'], '" class="invisible">';
|
|
echo Security:: remove_XSS($myrow['title']);
|
|
echo "</a>";
|
|
echo $link_validator;
|
|
echo $session_img, '<br />', $myrow['description'];
|
|
}
|
|
}
|
|
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
echo '<td style="text-align:center;">';
|
|
if ($session_id == $myrow['session_id']) {
|
|
$url = api_get_self() . '?' . api_get_cidreq() .
|
|
'&action=editlink&category=' . (!empty ($category) ? $category : '') .
|
|
'&id=' . $myrow['id'] .
|
|
'&category_id=' . $myrow['id'];
|
|
|
|
echo '<a href="' .$url .'">'.
|
|
Display:: return_icon(
|
|
'edit.png',
|
|
get_lang('Modify'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
|
|
// DISPLAY MOVE UP COMMAND only if it is not the top link.
|
|
/* commented at least since 2014-10-11
|
|
if ($i != 1) {
|
|
echo '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&sec_token='.$token.'&urlview=' . $urlview . '&up=', $myrow[0], '" title="' . get_lang('Up') . '">' . Display :: return_icon('up.png', get_lang('Up'), array (), ICON_SIZE_SMALL) . '', "</a>\n";
|
|
} else {
|
|
echo Display :: return_icon('up_na.png', get_lang('Up'), array (), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
|
|
// DISPLAY MOVE DOWN COMMAND only if it is not the bottom link.
|
|
if ($i < $numberoflinks) {
|
|
echo '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&sec_token='.$token.'&urlview=' . $urlview . '&down=' . $myrow[0] . '" title="' . get_lang('Down') . '">' . Display :: return_icon('down.png', get_lang('Down'), array (), ICON_SIZE_SMALL) . '', "</a>\n";
|
|
} else {
|
|
echo Display :: return_icon('down_na.png', get_lang('Down'), array (), ICON_SIZE_SMALL) . '', "</a>\n";
|
|
}*/
|
|
|
|
if ($myrow['visibility'] == '1') {
|
|
echo '<a href="link.php?' . api_get_cidreq() .
|
|
'&sec_token=' . $token .
|
|
'&action=invisible&id=' . $myrow['id'] .
|
|
'&scope=link&category_id=' . $myrow['category_id'] . '" title="' . get_lang('Hide') . '">' .
|
|
Display:: return_icon(
|
|
'visible.png',
|
|
get_lang('Hide'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
}
|
|
if ($myrow['visibility'] == '0') {
|
|
echo ' <a href="link.php?' . api_get_cidreq() .
|
|
'&sec_token=' . $token .
|
|
'&action=visible&id=' . $myrow['id'] .
|
|
'&scope=link&category_id=' . $myrow['category_id'] . '" title="' . get_lang(
|
|
'Show'
|
|
) . '">' .
|
|
Display:: return_icon(
|
|
'invisible.png',
|
|
get_lang('Show'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
}
|
|
echo ' <a href="' . api_get_self() . '?' . api_get_cidreq() .'&sec_token=' . $token .'&action=deletelink&id=' . $myrow['id'] .'&category_id=' . $myrow['category_id'] . "\"
|
|
onclick=\"javascript: if(!confirm('" . get_lang('LinkDelconfirm') . "'))
|
|
return false;\" title=\"" . get_lang('Delete') . '">' .
|
|
Display:: return_icon(
|
|
'delete.png',
|
|
get_lang('Delete'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
|
|
} else {
|
|
echo Display:: return_icon(
|
|
'edit_na.png',
|
|
get_lang('EditionNotAvailableFromSession'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
); //get_lang('EditionNotAvailableFromSession');
|
|
}
|
|
echo '</td>';
|
|
}
|
|
echo '</tr>';
|
|
$i++;
|
|
}
|
|
echo '</table>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Displays the edit, delete and move icons
|
|
* @param int Category ID
|
|
* @return void
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
*/
|
|
public static function showCategoryAdminTools($category, $currentCategory, $countCategories)
|
|
{
|
|
$categoryId = $category['id'];
|
|
$token = null;
|
|
echo '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&sec_token=' . $token . '&action=editcategory&id=' . $categoryId . '&category_id=' . $categoryId . '" title=' . get_lang('Modify') . '">' .
|
|
Display:: return_icon(
|
|
'edit.png',
|
|
get_lang('Modify'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
|
|
// DISPLAY MOVE UP COMMAND only if it is not the top link.
|
|
if ($currentCategory != 0) {
|
|
echo '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&sec_token=' . $token . '&action=up&up=', $categoryId, '&category_id=' . $categoryId . '" title="' . get_lang('Up') . '">' .
|
|
Display:: return_icon(
|
|
'up.png',
|
|
get_lang('Up'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
} else {
|
|
echo Display:: return_icon(
|
|
'up_na.png',
|
|
get_lang('Up'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
}
|
|
|
|
// DISPLAY MOVE DOWN COMMAND only if it is not the bottom link.
|
|
if ($currentCategory < $countCategories-1) {
|
|
echo '<a href="' . api_get_self() . '?' . api_get_cidreq() .
|
|
'&sec_token=' . $token .
|
|
'&action=down&down=' . $categoryId .
|
|
'&category_id=' . $categoryId . '">
|
|
' .
|
|
Display:: return_icon(
|
|
'down.png',
|
|
get_lang('Down'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
} else {
|
|
echo Display:: return_icon(
|
|
'down_na.png',
|
|
get_lang('Down'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
}
|
|
|
|
echo '<a href="' . api_get_self() . '?' . api_get_cidreq() .
|
|
'&sec_token=' . $token .
|
|
'&action=deletecategory&id=', $categoryId,
|
|
"&category_id=$categoryId\"
|
|
onclick=\"javascript: if(!confirm('" . get_lang('CategoryDelconfirm') . "')) return false;\">",
|
|
Display:: return_icon(
|
|
'delete.png',
|
|
get_lang('Delete'),
|
|
array(),
|
|
ICON_SIZE_SMALL
|
|
) . '</a>';
|
|
}
|
|
|
|
/**
|
|
* move a link or a linkcategory up or down
|
|
* @param int Category ID
|
|
* @param int Course ID
|
|
* @param int Session ID
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @todo support sessions
|
|
*/
|
|
public static function movecatlink($action, $catlinkid, $courseId = null, $sessionId = null)
|
|
{
|
|
$tbl_link = Database:: get_course_table(TABLE_LINK);
|
|
$tbl_categories = Database:: get_course_table(TABLE_LINK_CATEGORY);
|
|
|
|
if (is_null($courseId)) {
|
|
$courseId = api_get_course_int_id();
|
|
}
|
|
$courseId = intval($courseId);
|
|
if (is_null($sessionId)) {
|
|
$sessionId = api_get_session_id();
|
|
}
|
|
$sessionId = intval($sessionId);
|
|
|
|
if ($action == 'down') {
|
|
$thiscatlinkId = intval($catlinkid);
|
|
$sortDirection = 'DESC';
|
|
}
|
|
|
|
if ($action == 'up') {
|
|
$thiscatlinkId = intval($catlinkid);
|
|
$sortDirection = 'ASC';
|
|
}
|
|
|
|
// We check if it is a category we are moving or a link.
|
|
// If it is a category, a querystring catmove = true is present in the url.
|
|
$catmove = 'true';
|
|
if ($catmove == 'true') {
|
|
$movetable = $tbl_categories;
|
|
$catid = $catlinkid;
|
|
} else {
|
|
$movetable = $tbl_link;
|
|
// Getting the category of the link.
|
|
if (!empty ($thiscatlinkId)) {
|
|
$sql = "SELECT category_id FROM " . $movetable . "
|
|
WHERE c_id = $courseId AND id='$thiscatlinkId'";
|
|
$result = Database:: query($sql);
|
|
$catid = Database:: fetch_array($result);
|
|
}
|
|
}
|
|
|
|
// This code is copied and modified from announcements.php.
|
|
|
|
if (!empty($sortDirection)) {
|
|
if (!in_array(trim(strtoupper($sortDirection)), array('ASC', 'DESC'))) {
|
|
$sortDirection = 'ASC';
|
|
}
|
|
|
|
if ($catmove == 'true') {
|
|
$sql = "SELECT id, display_order FROM $movetable
|
|
WHERE c_id = $courseId
|
|
ORDER BY display_order $sortDirection";
|
|
} else {
|
|
$sql = "SELECT id, display_order FROM $movetable
|
|
WHERE c_id = $courseId AND category_id='" . $catid[0] . "'
|
|
ORDER BY display_order $sortDirection";
|
|
}
|
|
$linkresult = Database:: query($sql);
|
|
$thislinkOrder = 1;
|
|
while ($sortrow = Database:: fetch_array($linkresult)) {
|
|
// STEP 2 : FOUND THE NEXT LINK ID AND ORDER, COMMIT SWAP
|
|
// This part seems unlogic, but it isn't . We first look for the current link with the querystring ID
|
|
// and we know the next iteration of the while loop is the next one. These should be swapped.
|
|
if (isset($thislinkFound) && $thislinkFound) {
|
|
$nextlinkId = $sortrow['id'];
|
|
$nextlinkOrder = $sortrow['display_order'];
|
|
|
|
Database:: query(
|
|
"UPDATE " . $movetable . "
|
|
SET display_order = '$nextlinkOrder'
|
|
WHERE c_id = $courseId AND id = '$thiscatlinkId'"
|
|
);
|
|
Database:: query(
|
|
"UPDATE " . $movetable . "
|
|
SET display_order = '$thislinkOrder'
|
|
WHERE c_id = $courseId AND id = '$nextlinkId'"
|
|
);
|
|
|
|
break;
|
|
}
|
|
if ($sortrow['id'] == $thiscatlinkId) {
|
|
$thislinkOrder = $sortrow['display_order'];
|
|
$thislinkFound = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
Display::addFlash(Display::return_message(get_lang('LinkMoved')));
|
|
}
|
|
|
|
/**
|
|
* CSV file import functions
|
|
* @author René Haentjens , Ghent University
|
|
*/
|
|
public static function get_cat($catname)
|
|
{
|
|
// Get category id (existing or make new).
|
|
$tbl_categories = Database:: get_course_table(TABLE_LINK_CATEGORY);
|
|
$course_id = api_get_course_int_id();
|
|
|
|
$result = Database:: query(
|
|
"SELECT id FROM " . $tbl_categories . "
|
|
WHERE c_id = $course_id AND category_title='" . Database::escape_string(
|
|
$catname
|
|
) . "'"
|
|
);
|
|
if (Database:: num_rows($result) >= 1 && ($row = Database:: fetch_array(
|
|
$result
|
|
))
|
|
) {
|
|
return $row['id']; // Several categories with same name: take the first.
|
|
}
|
|
|
|
$result = Database:: query(
|
|
"SELECT MAX(display_order) FROM " . $tbl_categories . " WHERE c_id = $course_id "
|
|
);
|
|
list ($max_order) = Database:: fetch_row($result);
|
|
Database:: query(
|
|
"INSERT INTO " . $tbl_categories . " (c_id, category_title, description, display_order)
|
|
VALUES (" . $course_id . ", '" . Database::escape_string(
|
|
$catname
|
|
) . "','','" . ($max_order + 1) . "')"
|
|
);
|
|
return Database:: insert_id();
|
|
}
|
|
|
|
/**
|
|
* CSV file import functions
|
|
* @author René Haentjens , Ghent University
|
|
*/
|
|
public static function put_link($url, $cat, $title, $description, $on_homepage, $hidden)
|
|
{
|
|
$tbl_link = Database:: get_course_table(TABLE_LINK);
|
|
$course_id = api_get_course_int_id();
|
|
|
|
$urleq = "url='" . Database:: escape_string($url) . "'";
|
|
$cateq = "category_id=" . intval($cat);
|
|
|
|
$result = Database:: query(
|
|
"SELECT id FROM $tbl_link
|
|
WHERE c_id = $course_id AND " . $urleq . ' AND ' . $cateq
|
|
);
|
|
|
|
if (Database:: num_rows($result) >= 1 && ($row = Database:: fetch_array(
|
|
$result
|
|
))
|
|
) {
|
|
Database:: query(
|
|
"UPDATE $tbl_link set title='" . Database:: escape_string(
|
|
$title
|
|
) . "', description='" . Database:: escape_string(
|
|
$description
|
|
) . "'
|
|
WHERE c_id = $course_id AND id='" . Database:: escape_string(
|
|
$row['id']
|
|
) . "'"
|
|
);
|
|
|
|
$ipu = 'LinkUpdated';
|
|
$rv = 1; // 1 = upd
|
|
} else {
|
|
// Add new link
|
|
$result = Database:: query(
|
|
"SELECT MAX(display_order) FROM $tbl_link
|
|
WHERE c_id = $course_id AND category_id='" . intval($cat) . "'"
|
|
);
|
|
list ($max_order) = Database:: fetch_row($result);
|
|
|
|
Database:: query(
|
|
"INSERT INTO $tbl_link (c_id, url, title, description, category_id, display_order, on_homepage)
|
|
VALUES (" . api_get_course_int_id() . ",
|
|
'" . Database:: escape_string($url) . "',
|
|
'" . Database:: escape_string($title) . "',
|
|
'" . Database:: escape_string($description) . "',
|
|
'" . intval($cat) . "','" . (intval($max_order) + 1) . "',
|
|
'" . intval($on_homepage) .
|
|
"')"
|
|
);
|
|
|
|
$id = Database:: insert_id();
|
|
$ipu = 'LinkAdded';
|
|
$rv = 2; // 2 = new
|
|
}
|
|
global $_course, $nameTools, $_user;
|
|
api_item_property_update(
|
|
$_course,
|
|
TOOL_LINK,
|
|
$id,
|
|
$ipu,
|
|
$_user['user_id']
|
|
);
|
|
|
|
if ($hidden && $ipu == 'LinkAdded') {
|
|
api_item_property_update(
|
|
$_course,
|
|
TOOL_LINK,
|
|
$id,
|
|
'invisible',
|
|
$_user['user_id']
|
|
);
|
|
}
|
|
return $rv;
|
|
}
|
|
|
|
/**
|
|
* CSV file import functions
|
|
* @author René Haentjens , Ghent University
|
|
*/
|
|
public static function import_link($linkdata)
|
|
{
|
|
// url, category_id, title, description, ...
|
|
|
|
// Field names used in the uploaded file
|
|
$known_fields = array(
|
|
'url',
|
|
'category',
|
|
'title',
|
|
'description',
|
|
'on_homepage',
|
|
'hidden'
|
|
);
|
|
|
|
$hide_fields = array(
|
|
'kw',
|
|
'kwd',
|
|
'kwds',
|
|
'keyword',
|
|
'keywords'
|
|
);
|
|
|
|
// All other fields are added to description, as "name:value".
|
|
|
|
// Only one hide_field is assumed to be present, <> is removed from value.
|
|
|
|
if (!($url = trim($linkdata['url'])) || !($title = trim(
|
|
$linkdata['title']
|
|
))
|
|
) {
|
|
return 0; // 0 = fail
|
|
}
|
|
|
|
$cat = ($catname = trim($linkdata['category'])) ? Link::get_cat($catname) : 0;
|
|
|
|
$regs = array(); // Will be passed to ereg()
|
|
$d = '';
|
|
foreach ($linkdata as $key => $value) {
|
|
if (!in_array($key, $known_fields)) {
|
|
if (in_array($key, $hide_fields) && ereg(
|
|
'^<?([^>]*)>?$',
|
|
$value,
|
|
$regs
|
|
)
|
|
) { // possibly in <...>
|
|
if (($kwlist = trim($regs[1])) != '') {
|
|
$kw = '<i kw="' . htmlspecialchars($kwlist) . '">';
|
|
} else {
|
|
$kw = '';
|
|
}
|
|
// i.e. assume only one of the $hide_fields will be present
|
|
// and if found, hide the value as expando property of an <i> tag
|
|
} elseif (trim($value)) {
|
|
$d .= ', ' . $key . ':' . $value;
|
|
}
|
|
}
|
|
}
|
|
if (!empty($d)) {
|
|
$d = substr($d, 2) . ' - ';
|
|
}
|
|
|
|
return Link::put_link(
|
|
$url,
|
|
$cat,
|
|
$title,
|
|
$kw . ereg_replace(
|
|
'\[((/?(b|big|i|small|sub|sup|u))|br/)\]',
|
|
'<\\1>',
|
|
htmlspecialchars($d . $linkdata['description'])
|
|
) . ($kw ? '</i>' : ''),
|
|
$linkdata['on_homepage'] ? '1' : '0',
|
|
$linkdata['hidden'] ? '1' : '0'
|
|
);
|
|
// i.e. allow some BBcode tags, e.g. [b]...[/b]
|
|
}
|
|
|
|
/**
|
|
* CSV file import functions
|
|
* @author René Haentjens , Ghent University
|
|
*/
|
|
public static function import_csvfile()
|
|
{
|
|
global $catlinkstatus; // Feedback message to user.
|
|
|
|
if (is_uploaded_file($filespec = $_FILES['import_file']['tmp_name'])
|
|
&& filesize($filespec) && ($myFile = @ fopen($filespec, 'r'))
|
|
) {
|
|
// read first line of file (column names) and find ',' or ';'
|
|
$listsep = strpos(
|
|
$colnames = trim(fgets($myFile)),
|
|
','
|
|
) !== false ? ',' : (strpos($colnames, ';') !== false ? ';' : '');
|
|
|
|
if ($listsep) {
|
|
$columns = array_map(
|
|
'strtolower',
|
|
explode($listsep, $colnames)
|
|
);
|
|
|
|
if (in_array('url', $columns) && in_array('title', $columns)) {
|
|
$stats = array(
|
|
0,
|
|
0,
|
|
0
|
|
); // fails, updates, inserts
|
|
|
|
while (($data = api_fgetcsv($myFile, null, $listsep))) {
|
|
//
|
|
foreach ($data as $i => & $text) {
|
|
$linkdata[$columns[$i]] = $text;
|
|
}
|
|
|
|
$stats[Link::import_link($linkdata)]++;
|
|
unset ($linkdata);
|
|
}
|
|
|
|
$catlinkstatus = '';
|
|
|
|
if ($stats[0]) {
|
|
$catlinkstatus .= $stats[0] . ' ' . get_lang(
|
|
'CsvLinesFailed'
|
|
);
|
|
}
|
|
if ($stats[1]) {
|
|
$catlinkstatus .= $stats[1] . ' ' . get_lang(
|
|
'CsvLinesOld'
|
|
);
|
|
}
|
|
if ($stats[2]) {
|
|
$catlinkstatus .= $stats[2] . ' ' . get_lang(
|
|
'CsvLinesNew'
|
|
);
|
|
}
|
|
} else {
|
|
$catlinkstatus = get_lang(
|
|
'CsvFileNoURL'
|
|
) . ($colnames ? get_lang(
|
|
'CsvFileLine1'
|
|
) . htmlspecialchars(
|
|
substr($colnames, 0, 200)
|
|
) . '...' : '');
|
|
}
|
|
} else {
|
|
$catlinkstatus = get_lang(
|
|
'CsvFileNoSeps'
|
|
) . ($colnames ? get_lang(
|
|
'CsvFileLine1'
|
|
) . htmlspecialchars(
|
|
substr($colnames, 0, 200)
|
|
) . '...' : '');
|
|
}
|
|
fclose($myFile);
|
|
} else {
|
|
$catlinkstatus = get_lang('CsvFileNotFound');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function checks if the url is a vimeo link
|
|
* @author Julio Montoya
|
|
* @version 1.0
|
|
*/
|
|
public static function isVimeoLink($url)
|
|
{
|
|
$isLink = strrpos($url, "vimeo.com");
|
|
return $isLink;
|
|
}
|
|
|
|
/**
|
|
* Get vimeo id from URL
|
|
* @param string $url
|
|
* @return bool|mixed
|
|
*/
|
|
public static function getVimeoLinkId($url)
|
|
{
|
|
$possibleUrls = array(
|
|
'http://www.vimeo.com/',
|
|
'http://vimeo.com/',
|
|
'https://www.vimeo.com/',
|
|
'https://vimeo.com/'
|
|
);
|
|
$url = str_replace($possibleUrls, '', $url);
|
|
|
|
if (is_numeric($url)) {
|
|
return $url;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* This function checks if the url is a youtube link
|
|
* @author Jorge Frisancho
|
|
* @author Julio Montoya - Fixing code
|
|
* @version 1.0
|
|
*/
|
|
public static function is_youtube_link($url)
|
|
{
|
|
$is_youtube_link = strrpos($url, "youtube") || strrpos(
|
|
$url,
|
|
"youtu.be"
|
|
);
|
|
return $is_youtube_link;
|
|
}
|
|
|
|
/**
|
|
* Get youtube id from an URL
|
|
* @param string $url
|
|
* @return string
|
|
*/
|
|
public static function get_youtube_video_id($url)
|
|
{
|
|
// This is the length of YouTube's video IDs
|
|
$len = 11;
|
|
|
|
// The ID string starts after "v=", which is usually right after
|
|
// "youtube.com/watch?" in the URL
|
|
$pos = strpos($url, "v=");
|
|
|
|
$id = '';
|
|
|
|
//If false try other options
|
|
if ($pos === false) {
|
|
$url_parsed = parse_url($url);
|
|
|
|
//Youtube shortener
|
|
//http://youtu.be/ID
|
|
$pos = strpos($url, "youtu.be");
|
|
|
|
if ($pos == false) {
|
|
$id = '';
|
|
} else {
|
|
return substr($url_parsed['path'], 1);
|
|
}
|
|
|
|
//if empty try the youtube.com/embed/ID
|
|
if (empty($id)) {
|
|
$pos = strpos($url, "embed");
|
|
if ($pos === false) {
|
|
return '';
|
|
} else {
|
|
return substr($url_parsed['path'], 7);
|
|
}
|
|
}
|
|
} else {
|
|
// Offset the start location to match the beginning of the ID string
|
|
$pos += 2;
|
|
// Get the ID string and return it
|
|
$id = substr($url, $pos, $len);
|
|
return $id;
|
|
}
|
|
}
|
|
|
|
public static function listLinksAndCategories($course_id, $session_id, $categoryId, $show = 'none', $token = null)
|
|
{
|
|
$tbl_link = Database::get_course_table(TABLE_LINK);
|
|
|
|
$_user = api_get_user_info();
|
|
$categoryId = intval($categoryId);
|
|
|
|
/* Action Links */
|
|
echo '<div class="actions">';
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=addlink&category_id='.$categoryId.'">'.
|
|
Display::return_icon('new_link.png', get_lang('LinkAdd'),'',ICON_SIZE_MEDIUM).'</a>';
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=addcategory&category_id='.$categoryId.'">'.
|
|
Display::return_icon('new_folder.png', get_lang('CategoryAdd'),'',ICON_SIZE_MEDIUM).'</a>';
|
|
}
|
|
|
|
$categories = Link::getLinkCategories($course_id, $session_id);
|
|
$count = count($categories);
|
|
if (!empty($count)) {
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=list&show=none">';
|
|
echo Display::return_icon('view_remove.png', get_lang('shownone'), '', ICON_SIZE_MEDIUM).'</a>';
|
|
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=list&show=all">';
|
|
echo Display::return_icon('view_tree.png', get_lang('showall'), '', ICON_SIZE_MEDIUM).'</a>';
|
|
}
|
|
echo '</div>';
|
|
|
|
// Displaying the links which have no category (thus category = 0 or NULL),
|
|
// if none present this will not be displayed
|
|
$sql = "SELECT * FROM $tbl_link
|
|
WHERE c_id = $course_id AND category_id=0 OR category_id IS NULL";
|
|
$result = Database::query($sql);
|
|
$count = Database::num_rows($result);
|
|
|
|
if ($count !== 0) {
|
|
echo '<table class="data_table">';
|
|
echo '<tr><th style="font-weight: bold; text-align:left;padding-left: 10px;">'.get_lang('General').'</th></tr>';
|
|
echo '</table>';
|
|
self::showlinksofcategory(0);
|
|
}
|
|
|
|
$i = 0;
|
|
$view = '0';
|
|
$counter = 0;
|
|
foreach ($categories as $myrow) {
|
|
// Student don't see invisible categories.
|
|
if (!api_is_allowed_to_edit(null, true)) {
|
|
if ($myrow['visibility'] == 0) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Validation when belongs to a session
|
|
$showChildren = $categoryId == $myrow['id'] || $show == 'all';
|
|
$session_img = api_get_session_image($myrow['session_id'], $_user['status']);
|
|
$myrow['description'] = text_filter($myrow['description']);
|
|
|
|
$strVisibility = '';
|
|
$visibilityClass = null;
|
|
if ($myrow['visibility'] == '1') {
|
|
$strVisibility = '<a href="link.php?' . api_get_cidreq() . '&sec_token='.$token.'&action=invisible&id=' . $myrow['id'] . '&scope=' . TOOL_LINK_CATEGORY . '" title="' . get_lang('Hide') . '">' .
|
|
Display :: return_icon('visible.png', get_lang('Hide'), array (), ICON_SIZE_SMALL) . '</a>';
|
|
} elseif ($myrow['visibility'] == '0') {
|
|
$visibilityClass = 'invisible';
|
|
$strVisibility = ' <a href="link.php?' . api_get_cidreq() . '&sec_token='.$token.'&action=visible&id=' . $myrow['id'] . '&scope=' . TOOL_LINK_CATEGORY . '" title="' . get_lang('Show') . '">' .
|
|
Display :: return_icon('invisible.png', get_lang('Show'), array (), ICON_SIZE_SMALL) . '</a>';
|
|
}
|
|
|
|
echo '<tr>';
|
|
echo '<table class="data_table">';
|
|
echo '<tr>';
|
|
echo '<th width="81%" style="font-weight: bold; text-align:left;padding-left: 5px;">';
|
|
|
|
if ($showChildren) {
|
|
echo '<a class="'.$visibilityClass.'" href="'.api_get_self().'?'.api_get_cidreq().'&category_id=">';
|
|
echo Display::return_icon('view_remove.png');
|
|
} else {
|
|
echo '<a class="'.$visibilityClass.'" href="'.api_get_self().'?'.api_get_cidreq().'&category_id='.$myrow['id'].'">';
|
|
echo Display::return_icon('view_tree.png');
|
|
}
|
|
|
|
echo ' '.Security::remove_XSS($myrow['category_title']).'</a>
|
|
<br /> '.$myrow['description'];
|
|
echo '</th>';
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
if ($session_id == $myrow['session_id']) {
|
|
echo '<th>';
|
|
echo $strVisibility;
|
|
Link::showCategoryAdminTools($myrow, $counter, count($categories));
|
|
echo '</th>';
|
|
} else {
|
|
echo '<th>'.get_lang('EditionNotAvailableFromSession');
|
|
}
|
|
}
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
|
|
if ($showChildren) {
|
|
echo Link::showlinksofcategory($myrow['id']);
|
|
}
|
|
echo '</tr>';
|
|
|
|
echo '</th>';
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
echo '</tr>';
|
|
$counter++;
|
|
/*
|
|
|
|
if ($myrow['visibility'] == '1') {
|
|
if (isset($urlview[$i]) && $urlview[$i] == '1') {
|
|
$newurlview = $urlview;
|
|
$newurlview[$i] = '0';
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview='.Security::remove_XSS($newurlview).'">';
|
|
echo '<img src="../img/icons/22/view_remove.png" /> '.Security::remove_XSS($myrow['category_title']).'</a>
|
|
<br /> '.$myrow['description'];
|
|
echo '</th>';
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
if ($session_id == $myrow['session_id']) {
|
|
echo '<th>';
|
|
echo $strVisibility;
|
|
Link::showcategoryadmintools($myrow['id']);
|
|
echo '</th>';
|
|
} else {
|
|
echo '<th>'.get_lang('EditionNotAvailableFromSession');
|
|
}
|
|
}
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
echo Link::showlinksofcategory($myrow['id']);
|
|
echo '</tr>';
|
|
} else {
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
|
|
echo is_array($view) ? implode('', $view) : $view;
|
|
echo '"><img src="../img/icons/22/view_tree.png" /> '.
|
|
Security::remove_XSS($myrow['category_title']).$session_img;
|
|
echo'</a><br /> ';
|
|
echo $myrow['description'];
|
|
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
if ($session_id == $myrow['session_id']) {
|
|
echo '<th style="text-align:center;">';
|
|
echo $strVisibility;
|
|
Link::showcategoryadmintools($myrow['id']);
|
|
echo '</th>';
|
|
}
|
|
}
|
|
echo '</th>';
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
echo '</tr>';
|
|
}
|
|
} else {
|
|
// NO VISIBLE
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
if (isset($urlview[$i]) && $urlview[$i] == '1') {
|
|
$newurlview = $urlview;
|
|
$newurlview[$i] = '0';
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview='.Security::remove_XSS($newurlview).'">';
|
|
echo '<img src="../img/icons/22/view_remove_na.png" /> '.Security::remove_XSS($myrow['category_title']).'</a><br /> '.$myrow['description'];
|
|
echo '</th>';
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
if ($session_id == $myrow['session_id']) {
|
|
echo '<th>'; echo $strVisibility; Link::showcategoryadmintools($myrow['id']); echo '</th>';
|
|
} else {
|
|
echo '<th>'.get_lang('EditionNotAvailableFromSession');
|
|
}
|
|
}
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
echo Link::showlinksofcategory($myrow['id']);
|
|
echo '</tr>';
|
|
} else {
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview=';
|
|
echo is_array($view) ? implode('', $view) : $view;
|
|
echo '"><img src="../img/icons/22/view_tree_na.png" /> '.Security::remove_XSS($myrow['category_title']).$session_img;
|
|
echo'</a><br /> ';
|
|
echo $myrow['description'];
|
|
|
|
if (api_is_allowed_to_edit(null, true)) {
|
|
if ($session_id == $myrow['session_id']) {
|
|
echo '<th style="text-align:center;">';
|
|
echo $strVisibility;
|
|
Link::showcategoryadmintools($myrow['id']);
|
|
echo '</th>';
|
|
}
|
|
}
|
|
|
|
echo '</th>';
|
|
echo '</tr>';
|
|
echo '</table>';
|
|
echo '</tr>';
|
|
}
|
|
}*/
|
|
//}
|
|
// Displaying the link of the category
|
|
}
|
|
echo '</table>';
|
|
}
|
|
|
|
/**
|
|
* @param int $linkId
|
|
* @param $action
|
|
* @param null $urlview
|
|
* @param null $token
|
|
* @return FormValidator
|
|
*/
|
|
public static function getLinkForm($linkId, $action, $token = null)
|
|
{
|
|
$course_id = api_get_course_int_id();
|
|
$session_id = api_get_session_id();
|
|
$linkInfo = Link::get_link_info($linkId);
|
|
$categoryId = isset($linkInfo['category_id']) ? $linkInfo['category_id'] : '';
|
|
$lpId = isset($_GET['lp_id']) ? Security::remove_XSS($_GET['lp_id']) : null;
|
|
|
|
$category = 0;
|
|
$form = new FormValidator(
|
|
'link',
|
|
'post',
|
|
api_get_self().'?action='.$action.
|
|
'&category_id='.$categoryId.
|
|
'&'.api_get_cidreq().
|
|
'&id='.$linkId.
|
|
'&sec_token='.$token
|
|
);
|
|
|
|
if ($action == 'addlink') {
|
|
$form->addHeader(get_lang('LinkAdd'));
|
|
} else {
|
|
$form->addHeader(get_lang('LinkMod'));
|
|
}
|
|
|
|
$target_link = "_blank";
|
|
$title = '';
|
|
$category = '';
|
|
$onhomepage = '';
|
|
$description = '';
|
|
|
|
if (!empty($linkInfo)) {
|
|
$urllink = $linkInfo['url'];
|
|
$title = $linkInfo['title'];
|
|
$description = $linkInfo['description'];
|
|
$category = $linkInfo['category_id'];
|
|
if ($linkInfo['on_homepage'] != 0) {
|
|
$onhomepage = 1;
|
|
}
|
|
$target_link = $linkInfo['target'];
|
|
}
|
|
|
|
$form->addHidden('id', $linkId);
|
|
$form->addText('url', 'URL');
|
|
$form->addRule('url', get_lang('GiveURL'), 'url');
|
|
$form->addText('title', get_lang('LinkName'));
|
|
$form->addTextarea('description', get_lang('Description'));
|
|
$form->addLabel(
|
|
get_lang('Metadata'),
|
|
Display::url(
|
|
get_lang('AddMetadata'),
|
|
"../metadata/index.php?eid='.urlencode('Link.'.$linkId).'"
|
|
)
|
|
);
|
|
|
|
$resultcategories = Link::getLinkCategories($course_id, $session_id);
|
|
$options = ['0' => '--'];
|
|
if (!empty($resultcategories)) {
|
|
foreach ($resultcategories as $myrow) {
|
|
$options[$myrow['id']] = $myrow['category_title'];
|
|
}
|
|
}
|
|
|
|
$form->addSelect('category_id', get_lang('Category'), $options);
|
|
$form->addCheckBox('on_homepage', null, get_lang('OnHomepage'));
|
|
|
|
$targets = array(
|
|
'_self' => get_lang('LinkOpenSelf'),
|
|
'_blank' => get_lang('LinkOpenBlank'),
|
|
'_parent' => get_lang('LinkOpenParent'),
|
|
'_top' => get_lang('LinkOpenTop')
|
|
);
|
|
|
|
$form->addSelect(
|
|
'target',
|
|
array(
|
|
get_lang('LinkTarget'),
|
|
get_lang('AddTargetOfLinkOnHomepage')
|
|
),
|
|
$targets
|
|
);
|
|
|
|
$defaults = array(
|
|
'url' => empty($urllink) ? 'http://' : Security::remove_XSS($urllink),
|
|
'title' => Security::remove_XSS($title),
|
|
'category_id' => $category,
|
|
'on_homepage' => $onhomepage,
|
|
'description' => $description,
|
|
'target' => $target_link
|
|
);
|
|
|
|
if (api_get_setting('search_enabled') == 'true') {
|
|
require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
|
|
$specific_fields = get_specific_field_list();
|
|
$form->addCheckBox('index_document', get_lang('SearchFeatureDoIndexLink'), get_lang('Yes'));
|
|
|
|
foreach ($specific_fields as $specific_field) {
|
|
$default_values = '';
|
|
if ($action == 'editlink') {
|
|
$filter = array(
|
|
'field_id' => $specific_field['id'],
|
|
'ref_id' => intval($_GET['id']),
|
|
'tool_id' => '\''.TOOL_LINK.'\''
|
|
);
|
|
$values = get_specific_field_values_list($filter, array('value'));
|
|
if (!empty($values)) {
|
|
$arr_str_values = array();
|
|
foreach ($values as $value) {
|
|
$arr_str_values[] = $value['value'];
|
|
}
|
|
$default_values = implode(', ', $arr_str_values);
|
|
}
|
|
}
|
|
$form->addText($specific_field['name'], $specific_field['code']);
|
|
$defaults[$specific_field['name']] = $default_values;
|
|
}
|
|
}
|
|
|
|
$form->addHidden('lp_id', $lpId);
|
|
$form->addButtonSave(get_lang('SaveLink'), 'submitLink');
|
|
$form->setDefaults($defaults);
|
|
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* @param int $id
|
|
* @param string $action
|
|
*
|
|
* @return FormValidator
|
|
*/
|
|
public static function getCategoryForm($id, $action)
|
|
{
|
|
$form = new FormValidator(
|
|
'category',
|
|
'post',
|
|
api_get_self().'?action='.$action.'&'.api_get_cidreq()
|
|
);
|
|
|
|
$defaults = [];
|
|
if ($action == 'addcategory') {
|
|
$form->addHeader(get_lang('CategoryAdd'));
|
|
$my_cat_title = get_lang('CategoryAdd');
|
|
} else {
|
|
$form->addHeader(get_lang('CategoryMod'));
|
|
$my_cat_title = get_lang('CategoryMod');
|
|
$defaults = self::getCategory($id);
|
|
}
|
|
$form->addHidden('id', $id);
|
|
$form->addText('category_title', get_lang('CategoryName'));
|
|
$form->addTextarea('description', get_lang('Description'));
|
|
$form->addButtonSave($my_cat_title, 'submitCategory');
|
|
$form->setDefaults($defaults);
|
|
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* @param int $id
|
|
* @return array
|
|
*/
|
|
public static function getCategory($id)
|
|
{
|
|
$table = Database::get_course_table(TABLE_LINK_CATEGORY);
|
|
$id = intval($id);
|
|
$courseId = api_get_course_int_id();
|
|
$sql = "SELECT * FROM $table WHERE id = $id AND c_id = $courseId";
|
|
$result = Database::query($sql);
|
|
$category = Database::fetch_array($result, 'ASSOC');
|
|
|
|
return $category;
|
|
}
|
|
}
|
|
|