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@@ -1,854 +0,0 @@
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-<?php
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-/* For licensing terms, see /license.txt */
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-
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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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-
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-/* FUNCTIONS */
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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 $type, "link" or "category"
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- * @todo replace strings by constants
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- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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- */
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-function addlinkcategory($type) {
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- global $catlinkstatus;
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- global $msgErr;
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-
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- $ok = true;
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-
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- if ($type == 'link') {
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- $tbl_link = Database :: get_course_table(TABLE_LINK);
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-
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- $title = Security::remove_XSS(stripslashes($_POST['title']));
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- $urllink = Security::remove_XSS($_POST['urllink']);
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- $description = Security::remove_XSS(stripslashes($_POST['description']));
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- $selectcategory = Security::remove_XSS($_POST['selectcategory']);
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-
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- if ($_POST['onhomepage'] == '') {
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- $onhomepage = 0;
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- $target = '_self'; // Default target.
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- } else {
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- $onhomepage = Security::remove_XSS($_POST['onhomepage']);
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- $target = Security::remove_XSS($_POST['target_link']);
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- }
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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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-
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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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-
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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 = $urllink;
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- }
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-
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- // If the URL is invalid, an error occurs.
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- // Ivan, 13-OCT-2010, Chamilo 1.8.8: Let us still tolerate PHP 5.1.x and avoid a specific bug in filter_var(), see http://bugs.php.net/51192
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- //if (!filter_var($urllink, FILTER_VALIDATE_URL)) {
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- if (!api_valid_url($urllink, true)) { // A check against an absolute URL.
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- //
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- $msgErr = get_lang('GiveURL');
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- Display::display_error_message(get_lang('GiveURL'));
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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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- $result = Database::query("SELECT MAX(display_order) FROM ".$tbl_link." WHERE category_id='".Database::escape_string($_POST['selectcategory'])."'");
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- list($orderMax) = Database::fetch_row($result);
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- $order = $orderMax + 1;
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-
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- $session_id = api_get_session_id();
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-
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- $sql = "INSERT INTO ".$tbl_link." (url, title, description, category_id, display_order, on_homepage, target, session_id)
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- VALUES ('".Database::escape_string($urllink)."','".Database::escape_string($title)."','".Database::escape_string($description)."','".
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- Database::escape_string($selectcategory)."','".Database::escape_string($order)."', '".Database::escape_string($onhomepage)."','".
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- Database::escape_string($target)."','".Database::escape_string($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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-
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- if ((api_get_setting('search_enabled') == 'true') && $link_id && extension_loaded('xapian')) {
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- require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php';
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- require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
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- require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
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-
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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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-
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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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- $ic_slide->addTerm(trim($sterm), $specific_field['code']);
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- add_specific_field_value($specific_field['id'], $courseid, TOOL_LINK, $link_id, $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 => $courseid,
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- SE_TOOL_ID => TOOL_LINK,
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- SE_DATA => array('link_id' => (int)$link_id),
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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', $description);
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-
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- // Add category name if set.
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- if (isset($_POST['selectcategory']) && $selectcategory > 0) {
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- $table_link_category = Database::get_course_table(TABLE_LINK_CATEGORY);
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- $sql_cat = 'SELECT * FROM %s WHERE id=%d LIMIT 1';
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- $sql_cat = sprintf($sql_cat, $table_link_category, (int)$selectcategory);
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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('category', $row['category_title']);
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- }
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- }
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-
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- $di = new DokeosIndexer();
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- isset($_POST['language'])? $lang = Database::escape_string($_POST['language']): $lang = 'english';
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- $di->connectDb(NULL, NULL, $lang);
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- $di->addChunk($ic_slide);
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-
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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(TABLE_MAIN_SEARCH_ENGINE_REF);
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- $sql = 'INSERT INTO %s (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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- $sql = sprintf($sql, $tbl_se_ref, $courseid, TOOL_LINK, $link_id, $did);
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- Database::query($sql);
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- }
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- }
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-
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- unset($urllink, $title, $description, $selectcategory);
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-
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- Display::display_confirmation_message(get_lang('LinkAdded'));
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- }
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- } elseif ($type == 'category') {
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- $tbl_categories = Database :: get_course_table(TABLE_LINK_CATEGORY);
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-
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- $category_title = trim($_POST['category_title']);
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- $description = trim($_POST['description']);
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-
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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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- $result = Database::query("SELECT MAX(display_order) FROM ".$tbl_categories);
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- list($orderMax) = Database::fetch_row($result);
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- $order = $orderMax + 1;
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-
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- $session_id = api_get_session_id();
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-
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- $sql = "INSERT INTO ".$tbl_categories." (category_title, description, display_order, session_id) VALUES ('".Security::remove_XSS($category_title)."','".Security::remove_XSS($description)."', '$order', '$session_id')";
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- Database::query($sql);
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-
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- $catlinkstatus = get_lang('CategoryAdded');
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- unset($category_title, $description);
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- Display::display_confirmation_message(get_lang('CategoryAdded'));
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- }
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- }
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-
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- // "WHAT'S NEW" notification : update last tool Edit.
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- if ($type == 'link') {
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- global $_user;
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- global $_course;
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- global $nameTools;
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-
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- api_item_property_update($_course, TOOL_LINK, $link_id, 'LinkAdded', $_user['user_id']);
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- }
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-
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- return $ok;
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-}
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-
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-/**
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- * Used to delete a link or a category
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- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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- */
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-function deletelinkcategory($type) {
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-
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- global $catlinkstatus;
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- global $_course;
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- global $_user;
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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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- $TABLE_ITEM_PROPERTY = Database :: get_course_table(TABLE_ITEM_PROPERTY);
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-
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- if ($type == 'link') {
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-
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- global $id;
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- // -> Items are no longer fysically deleted, but the visibility is set to 2 (in item_property).
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- // This will make a restore function possible for the platform administrator.
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- if (isset($_GET['id']) && $_GET['id'] == strval(intval($_GET['id']))) {
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- $sql = "UPDATE $tbl_link SET on_homepage='0' WHERE id='".Database::escape_string($_GET['id'])."'";
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- Database::query($sql);
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- }
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-
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- api_item_property_update($_course, TOOL_LINK, $id, 'delete', $_user['user_id']);
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- delete_link_from_search_engine(api_get_course_id(), $id);
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- $catlinkstatus = get_lang('LinkDeleted');
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- unset ($id);
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-
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- Display::display_confirmation_message(get_lang('LinkDeleted'));
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- }
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-
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- if ($type == 'category') {
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- global $id;
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- if (isset($_GET['id']) && !empty($_GET['id'])) {
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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." WHERE id='".intval($_GET['id'])."'";
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- Database::query($sql);
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- $sql = "DELETE FROM ".$tbl_link." WHERE category_id='".intval($_GET['id'])."'";
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- $catlinkstatus = get_lang('CategoryDeleted');
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- unset ($id);
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- Database::query($sql);
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-
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- Display::display_confirmation_message(get_lang('CategoryDeleted'));
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- }
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- }
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-}
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-
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-/**
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- * Removes a link from search engine database
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- *
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- * @param string $course_id Course code
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- * @param int $document_id Document id to delete
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- */
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-function delete_link_from_search_engine($course_id, $link_id) {
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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(TABLE_MAIN_SEARCH_ENGINE_REF);
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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(LIBRARY_PATH).'search/DokeosIndexer.class.php';
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- $di = new DokeosIndexer();
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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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-
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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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- * Used to edit a link or a category
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- * @todo Rewrite the whole links tool because it is becoming completely cluttered,
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- * code does not follow the coding conventions, does not use html_quickform, ...
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- * Some features were patched in.
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- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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- * @todo replace the globals with the appropriate $_POST or $_GET values
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- */
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-function editlinkcategory($type) {
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-
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- global $catlinkstatus;
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- global $id;
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- global $submit_link;
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- global $submit_category;
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- global $_user;
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- global $_course;
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- global $nameTools;
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- global $urllink;
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- global $title;
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- global $description;
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- global $category;
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- global $selectcategory;
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- global $description;
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- global $category_title;
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- global $onhomepage;
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- global $target_link;
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-
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- $tbl_link = Database :: get_course_table(TABLE_LINK);
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- $tbl_categories = Database :: get_course_table(TABLE_LINK_CATEGORY);
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-
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- if ($type == 'link') {
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-
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- // This is used to populate the link-form with the info found in the database.
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- if (!empty($_GET['id'])) {
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- $sql = "SELECT * FROM ".$tbl_link." WHERE id='".intval($_GET['id'])."'";
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- $result = Database::query($sql);
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- if ($myrow = Database::fetch_array($result)) {
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- $urllink = $myrow['url'];
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- $title = $myrow['title'];
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- $description = $myrow['description'];
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- $category = $myrow['category_id'];
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- if ($myrow['on_homepage'] != 0) {
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- $onhomepage = 'checked';
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- }
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- $target_link = $myrow['target'];
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- }
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- }
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-
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- // This is used to put the modified info of the link-form into the database.
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- if ($_POST['submitLink']) {
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-
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- // Ivan, 13-OCT-2010: It is a litle bit messy code below, just in case I added some extra-security checks here.
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- $_POST['urllink'] = trim(Security::remove_XSS($_POST['urllink']));
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- $_POST['title'] = trim(Security::remove_XSS(stripslashes($_POST['title'])));
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- $_POST['description'] = trim(Security::remove_XSS(stripslashes($_POST['description'])));
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- $_POST['selectcategory'] = intval($_POST['selectcategory']);
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- $_POST['id'] = intval($_POST['id']);
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-
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- // We ensure URL to be absolute.
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- if (strpos($_POST['urllink'], '://') === false) {
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- $_POST['urllink'] = 'http://'.$_POST['urllink'];
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- }
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-
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- // If the title is empty, we use the URL as title.
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- if ($_POST['title'] == '') {
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- $_POST['title'] = $_POST['urllink'];
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- }
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-
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- // If the URL is invalid, an error occurs.
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- // Ivan, 13-OCT-2010, Chamilo 1.8.8: Let us still tolerate PHP 5.1.x and avoid a specific bug in filter_var(), see http://bugs.php.net/51192
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- //if (!filter_var($urllink, FILTER_VALIDATE_URL)) {
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- if (!api_valid_url($urllink, true)) { // A check against an absolute URL.
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- $msgErr = get_lang('GiveURL');
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- Display::display_error_message(get_lang('GiveURL'));
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- return false;
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- }
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-
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- $onhomepage = Security::remove_XSS($_POST['onhomepage']);
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- $target = Security::remove_XSS($_POST['target_link']);
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- if (empty($mytarget)) { $mytarget = '_self'; }
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- $mytarget = ",target='".$target."'";
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-
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- // Finding the old category_id.
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- $sql = "SELECT * FROM ".$tbl_link." WHERE id='".intval($_POST['id'])."'";
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- $result = Database::query($sql);
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- $row = Database::fetch_array($result);
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- $category_id = $row['category_id'];
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-
|
|
|
- if ($category_id != $_POST['selectcategory']) {
|
|
|
- $sql = "SELECT MAX(display_order) FROM ".$tbl_link." WHERE category_id='".intval($_POST['selectcategory'])."'";
|
|
|
- $result = Database::query($sql);
|
|
|
- list ($max_display_order) = Database::fetch_row($result);
|
|
|
- $max_display_order ++;
|
|
|
- } else {
|
|
|
- $max_display_order = $row['display_order'];
|
|
|
- }
|
|
|
-
|
|
|
- $sql = "UPDATE ".$tbl_link." SET " .
|
|
|
- "url='".Database::escape_string($_POST['urllink'])."', " .
|
|
|
- "title='".Database::escape_string($_POST['title'])."', " .
|
|
|
- "description='".Database::escape_string($_POST['description'])."', " .
|
|
|
- "category_id='".Database::escape_string($_POST['selectcategory'])."', " .
|
|
|
- "display_order='".$max_display_order."', " .
|
|
|
- "on_homepage='".Database::escape_string($onhomepage)." ' $mytarget " .
|
|
|
- " WHERE id='".Database::escape_string($_POST['id'])."'";
|
|
|
- Database::query($sql);
|
|
|
-
|
|
|
- // Update search enchine and its values table if enabled.
|
|
|
- if (api_get_setting('search_enabled') == 'true') {
|
|
|
- $link_id = intval($_POST['id']);
|
|
|
- $course_id = api_get_course_id();
|
|
|
- $link_url = Database::escape_string($_POST['urllink']);
|
|
|
- $link_title = Database::escape_string($_POST['title']);
|
|
|
- $link_description = Database::escape_string($_POST['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, $link_id);
|
|
|
- $res = Database::query($sql);
|
|
|
-
|
|
|
- if (Database::num_rows($res) > 0) {
|
|
|
- require_once api_get_path(LIBRARY_PATH).'search/DokeosIndexer.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, $link_id);
|
|
|
- if (isset($_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, $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 => $course_id,
|
|
|
- SE_TOOL_ID => TOOL_LINK,
|
|
|
- SE_DATA => array('link_id' => (int)$link_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', $link_description);
|
|
|
-
|
|
|
- // Add category name if set.
|
|
|
- if (isset($_POST['selectcategory']) && $selectcategory > 0) {
|
|
|
- $table_link_category = Database::get_course_table(TABLE_LINK_CATEGORY);
|
|
|
- $sql_cat = 'SELECT * FROM %s WHERE id=%d LIMIT 1';
|
|
|
- $sql_cat = sprintf($sql_cat, $table_link_category, (int)$selectcategory);
|
|
|
- $result = Database::query($sql_cat);
|
|
|
- if (Database::num_rows($result) == 1) {
|
|
|
- $row = Database::fetch_array($result);
|
|
|
- $ic_slide->addValue('category', $row['category_title']);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $di = new DokeosIndexer();
|
|
|
- isset($_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, $link_id);
|
|
|
- Database::query($sql);
|
|
|
- $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
|
|
|
- VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
|
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_LINK, $link_id, $did);
|
|
|
- Database::query($sql);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // "WHAT'S NEW" notification: update table last_toolEdit.
|
|
|
- api_item_property_update($_course, TOOL_LINK, $_POST['id'], 'LinkUpdated', $_user['user_id']);
|
|
|
-
|
|
|
- Display::display_confirmation_message(get_lang('LinkModded'));
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if ($type == 'category') {
|
|
|
-
|
|
|
- // This is used to populate the category-form with the info found in the database.
|
|
|
- if (!$submit_category) {
|
|
|
- $sql = "SELECT * FROM ".$tbl_categories." WHERE id='".intval($_GET['id'])."'";
|
|
|
- $result = Database::query($sql);
|
|
|
- if ($myrow = Database::fetch_array($result)) {
|
|
|
- $category_title = $myrow['category_title'];
|
|
|
- $description = $myrow['description'];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // This is used to put the modified info of the category-form into the database.
|
|
|
- if ($submit_category) {
|
|
|
- $sql = "UPDATE ".$tbl_categories." set category_title='".Database::escape_string($_POST['category_title'])."', description='".Database::escape_string($_POST['description'])."' WHERE id='".Database::escape_string($_POST['id'])."'";
|
|
|
- Database::query($sql);
|
|
|
- Display::display_confirmation_message(get_lang('CategoryModded'));
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return true; // On errors before this statement, exit from this function by returning false value.
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * Creates a correct $view for in the URL
|
|
|
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
- */
|
|
|
-function makedefaultviewcode($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
|
|
|
- */
|
|
|
-function change_visibility($id, $scope) {
|
|
|
- global $_course, $_user;
|
|
|
- if ($scope == 'link') {
|
|
|
- api_item_property_update($_course, TOOL_LINK, $id, $_GET['action'], $_user['user_id']);
|
|
|
- Display::display_confirmation_message(get_lang('VisibilityChanged'));
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * Displays all the links of a given category.
|
|
|
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
- */
|
|
|
-function showlinksofcategory($catid) {
|
|
|
- global $is_allowed, $charset, $urlview, $up, $down, $_user;
|
|
|
-
|
|
|
- $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);
|
|
|
-
|
|
|
- $sqlLinks = "SELECT * FROM ".$tbl_link." link, ".$TABLE_ITEM_PROPERTY." itemproperties WHERE itemproperties.tool='".TOOL_LINK."' AND link.id=itemproperties.ref AND link.category_id='".$catid."' AND (itemproperties.visibility='0' OR itemproperties.visibility='1') $condition_session ORDER BY link.display_order DESC";
|
|
|
- $result = Database::query($sqlLinks);
|
|
|
- $numberoflinks = Database::num_rows($result);
|
|
|
-
|
|
|
- echo '<table class="data_table" width="100%">';
|
|
|
- $i = 1;
|
|
|
- while ($myrow = Database::fetch_array($result)) {
|
|
|
-
|
|
|
- // Validacion 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';
|
|
|
-
|
|
|
- $myrow[3] = text_filter($myrow[3]);
|
|
|
- if ($myrow['visibility'] == '1') {
|
|
|
- echo '<tr class="', $css_class, '"><td align="center" valign="middle" width="15"><a href="link_goto.php?', api_get_cidreq(), '&link_id=', $myrow[0], '&link_url=', urlencode($myrow[1]), '" 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=', $myrow[0], '&link_url=', urlencode($myrow[1]), '" target="',$myrow['target'],'">', Security::remove_XSS($myrow[2]), '</a>', $session_img, '<br />', $myrow[3];
|
|
|
- } else {
|
|
|
- if (api_is_allowed_to_edit(null, true)) {
|
|
|
- echo '<tr class="', $css_class, '"><td align="center" valign="middle" width="15"><a href="link_goto.php?', api_get_cidreq(), '&link_id=', $myrow[0], "&link_url=", urlencode($myrow[1]), '" target="_blank" class="invisible">', Display::return_icon('link_na.gif', get_lang('Link')), '</a></td><td width="80%" valign="top"><a href="link_goto.php?', api_get_cidreq(), '&link_id=', $myrow[0], '&link_url=', urlencode($myrow[1]), '" target="',$myrow['target'],'" class="invisible">', Security::remove_XSS($myrow[2]), "</a>\n", $session_img, '<br />', $myrow[3];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- echo '<td style="text-align:center;">';
|
|
|
- if (api_is_allowed_to_edit(null, true)) {
|
|
|
- if ($session_id == $myrow['session_id']) {
|
|
|
-
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=editlink&category='.(!empty($category) ? $category : '').'&id='.$myrow[0].'&urlview='.$urlview.'" title="'.get_lang('Modify').'">'.Display::return_icon('edit.png', get_lang('Modify'),array(), 22).'</a>';
|
|
|
- // DISPLAY MOVE UP COMMAND only if it is not the top link.
|
|
|
- if ($i != 1) {
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview='.$urlview.'&up=', $myrow[0], '" title="'.get_lang('Up').'">'.Display::return_icon('up.png', get_lang('Up'),array(), 22).'', "</a>\n";
|
|
|
- } else {
|
|
|
- echo Display::return_icon('up.png', get_lang('Up'),array(), 22).'</a>';
|
|
|
- }
|
|
|
-
|
|
|
- // DISPLAY MOVE DOWN COMMAND only if it is not the bottom link.
|
|
|
- if ($i < $numberoflinks) {
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&urlview='.$urlview.'&down='.$myrow[0].'" title="'.get_lang('Down').'">'.Display::return_icon('down.png', get_lang('Down'),array(), 22).'', "</a>\n";
|
|
|
- } else {
|
|
|
- echo Display::return_icon('down_na.png', get_lang('Down'),array(), 22).'', "</a>\n";
|
|
|
- }
|
|
|
-
|
|
|
- if ($myrow['visibility'] == '1') {
|
|
|
- echo '<a href="link.php?'.api_get_cidreq().'&action=invisible&id='.$myrow[0].'&scope=link&urlview='.$urlview.'" title="'.get_lang('Hide').'">'.Display::return_icon('visible.png', get_lang('Hide'),array(), 22).'</a>';
|
|
|
- }
|
|
|
- if ($myrow['visibility'] == '0') {
|
|
|
- echo ' <a href="link.php?'.api_get_cidreq().'&action=visible&id='.$myrow[0].'&scope=link&urlview='.$urlview.'" title="'.get_lang('Show').'">'.Display::return_icon('invisible.png', get_lang('Show'),array(), 22).'</a>';
|
|
|
- }
|
|
|
- echo ' <a href="'.api_get_self().'?'.api_get_cidreq().'&action=deletelink&id=', $myrow[0], '&urlview=', $urlview, "\" onclick=\"javascript: if(!confirm('".get_lang('LinkDelconfirm')."')) return false;\" title=\"".get_lang('Delete').'">'.Display::return_icon('delete.png', get_lang('Delete'),array(), 22).'</a>';
|
|
|
-
|
|
|
- } else {
|
|
|
- echo get_lang('EditionNotAvailableFromSession');
|
|
|
- }
|
|
|
- }
|
|
|
- echo '</td></tr>';
|
|
|
- $i++;
|
|
|
- }
|
|
|
- echo '</table>';
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * Displays the edit, delete and move icons
|
|
|
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
- */
|
|
|
-function showcategoryadmintools($categoryid) {
|
|
|
-
|
|
|
- global $urlview;
|
|
|
- global $aantalcategories;
|
|
|
- global $catcounter;
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=editcategory&id='.$categoryid.'&urlview='.$urlview.'" title='.get_lang('Modify').'">'.Display::return_icon('edit.png', get_lang('Modify'),array(), 22).'</a>';
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=deletecategory&id=', $categoryid, "&urlview=$urlview\" onclick=\"javascript: if(!confirm('".get_lang('CategoryDelconfirm')."')) return false;\">",
|
|
|
- Display::return_icon('delete.png', get_lang('Delete'),array(), 22).'</a>';
|
|
|
-
|
|
|
- // DISPLAY MOVE UP COMMAND only if it is not the top link.
|
|
|
- if ($catcounter != 1) {
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&catmove=true&up=', $categoryid, '&urlview='.$urlview.'" title="'.get_lang('Up').'">'.Display::return_icon('up.png', get_lang('Up'),array(), 22).'</a>';
|
|
|
- } else {
|
|
|
- echo Display::return_icon('up_na.png', get_lang('Up'),array(), 22).'</a>';
|
|
|
- }
|
|
|
-
|
|
|
- // DISPLAY MOVE DOWN COMMAND only if it is not the bottom link.
|
|
|
- if ($catcounter < $aantalcategories) {
|
|
|
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&catmove=true&down='.$categoryid.'&urlview='.$urlview.'">
|
|
|
- '.Display::return_icon('down.png', get_lang('Down'),array(), 22).'</a>';
|
|
|
- } else {
|
|
|
- echo Display::return_icon('down_na.png', get_lang('Down'),array(), 22).'</a>';
|
|
|
- }
|
|
|
- $catcounter ++;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * move a link or a linkcategory up or down
|
|
|
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
- */
|
|
|
-function movecatlink($catlinkid) {
|
|
|
-
|
|
|
- global $catmove;
|
|
|
- global $up;
|
|
|
- global $down;
|
|
|
- $tbl_link = Database :: get_course_table(TABLE_LINK);
|
|
|
- $tbl_categories = Database :: get_course_table(TABLE_LINK_CATEGORY);
|
|
|
-
|
|
|
- if (!empty($down)) {
|
|
|
- $thiscatlinkId = intval($down);
|
|
|
- $sortDirection = 'DESC';
|
|
|
- }
|
|
|
- if (!empty($up)) {
|
|
|
- $thiscatlinkId = intval($up);
|
|
|
- $sortDirection = 'ASC';
|
|
|
- }
|
|
|
-
|
|
|
- // We check if it is a category we are moving or a link. If it is a category, a querystring catmove = true is present in the url.
|
|
|
- if ($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 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')))
|
|
|
- die('Bad sort direction used.'); // Sanity check of sortDirection var.
|
|
|
- if ($catmove == 'true') {
|
|
|
- $sqlcatlinks = "SELECT id, display_order FROM ".$movetable." ORDER BY display_order $sortDirection";
|
|
|
- } else {
|
|
|
- $sqlcatlinks = "SELECT id, display_order FROM ".$movetable." WHERE category_id='".$catid[0]."' ORDER BY display_order $sortDirection";
|
|
|
- }
|
|
|
- $linkresult = Database::query($sqlcatlinks);
|
|
|
- while ($sortrow = Database::fetch_array($linkresult)) {
|
|
|
- // STEP 2 : FOUND THE NEXT ANNOUNCEMENT 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'];
|
|
|
- $nextlinkOrdre = $sortrow['display_order'];
|
|
|
-
|
|
|
- Database::query("UPDATE ".$movetable."
|
|
|
- SET display_order = '$nextlinkOrdre'
|
|
|
- WHERE id = '$thiscatlinkId'");
|
|
|
-
|
|
|
- Database::query("UPDATE ".$movetable."
|
|
|
- SET display_order = '$thislinkOrdre'
|
|
|
- WHERE id = '$nextlinkId'");
|
|
|
-
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if ($sortrow['id'] == $thiscatlinkId) {
|
|
|
- $thislinkOrdre = $sortrow['display_order'];
|
|
|
- $thislinkFound = true;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- Display::display_confirmation_message(get_lang('LinkMoved'));
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * CSV file import functions
|
|
|
- * @author René Haentjens , Ghent University
|
|
|
- */
|
|
|
-function get_cat($catname) {
|
|
|
- // Get category id (existing or make new).
|
|
|
- $tbl_categories = Database :: get_course_table(TABLE_LINK_CATEGORY);
|
|
|
- $result = Database::query("SELECT id FROM ".$tbl_categories." WHERE category_title='".addslashes($catname)."'");
|
|
|
- if (Database::num_rows($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);
|
|
|
- list ($max_order) = Database::fetch_row($result);
|
|
|
- Database::query("INSERT INTO ".$tbl_categories." (category_title, description, display_order) VALUES ('".addslashes($catname)."','','". ($max_order +1)."')");
|
|
|
- return Database::insert_id();
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * CSV file import functions
|
|
|
- * @author René Haentjens , Ghent University
|
|
|
- */
|
|
|
-function put_link($url, $cat, $title, $description, $on_homepage, $hidden) {
|
|
|
- $tbl_link = Database :: get_course_table(TABLE_LINK);
|
|
|
-
|
|
|
- $urleq = "url='".Database::escape_string($url)."'";
|
|
|
- $cateq = "category_id=".intval($cat);
|
|
|
-
|
|
|
- $result = Database::query("SELECT id FROM $tbl_link WHERE ".$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($description)."' WHERE id='".Database::escape_string($row['id'])."'");
|
|
|
-
|
|
|
- $lang_link = get_lang('update_link');
|
|
|
- $ipu = 'LinkUpdated';
|
|
|
- $rv = 1; // 1 = upd
|
|
|
- } else {
|
|
|
- // Add new link
|
|
|
- $result = Database::query("SELECT MAX(display_order) FROM $tbl_link WHERE category_id='".intval($cat)."'");
|
|
|
- list ($max_order) = Database::fetch_row($result);
|
|
|
-
|
|
|
- Database::query("INSERT INTO $tbl_link (url, title, description, category_id, display_order, on_homepage) VALUES ('".Database::escape_string($url)."','".Database::escape_string($title)."','".Database::escape_string($description)."','".intval($cat)."','". (intval($max_order) +1)."','".intval($on_homepage)."')");
|
|
|
-
|
|
|
- $id = Database::insert_id();
|
|
|
- $lang_link = get_lang('new_link');
|
|
|
- $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 $rv;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * CSV file import functions
|
|
|
- * @author René Haentjens , Ghent University
|
|
|
- */
|
|
|
-function import_link($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($linkdata['category'])) ? get_cat($catname) : 0;
|
|
|
-
|
|
|
- $regs = array(); // Will be passed to ereg()
|
|
|
- foreach ($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.':'.$value;
|
|
|
- }
|
|
|
- if ($d) {
|
|
|
- $d = substr($d, 2).' - ';
|
|
|
- }
|
|
|
-
|
|
|
- return 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
|
|
|
- */
|
|
|
-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)) {
|
|
|
- $stats = array (0, 0, 0); // fails, updates, inserts
|
|
|
-
|
|
|
- // Modified by Ivan Tcholakov, 01-FEB-2010.
|
|
|
- //while (($data = fgetcsv($myFile, 32768, $listsep))) {
|
|
|
- while (($data = api_fgetcsv($myFile, null, $listsep))) {
|
|
|
- //
|
|
|
- foreach ($data as $i => & $text) {
|
|
|
- $linkdata[$columns[$i]] = $text;
|
|
|
- }
|
|
|
-
|
|
|
- $stats[import_link($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');
|
|
|
- }
|
|
|
-}
|