Your IP : 3.145.32.238
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This plugin is used to access the content bank files.
*
* @package repository_contentbank
* @copyright 2020 Mihail Geshoski <mihail@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/repository/lib.php');
/**
* repository_contentbank class is used to browse the content bank files
*
* @package repository_contentbank
* @copyright 2020 Mihail Geshoski <mihail@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class repository_contentbank extends repository {
/**
* Get file listing.
*
* @param string $encodedpath
* @param string $page
* @return array
*/
public function get_listing($encodedpath = '', $page = '') {
global $SITE;
$ret = [];
$ret['dynload'] = true;
$ret['nosearch'] = false;
$ret['nologin'] = true;
// Return the parameters from the encoded path if the encoded path is not empty.
if (!empty($encodedpath)) {
$params = json_decode(base64_decode($encodedpath), true);
if (is_array($params) && isset($params['contextid'])) {
$context = context::instance_by_id(clean_param($params['contextid'], PARAM_INT));
}
}
// Return the current context if the context was not specified in the encoded path.
// The current context should be an instance of context_system, context_coursecat or course related contexts.
if (empty($context) && !empty($this->context)) {
if ($this->context instanceof \context_system || $this->context instanceof \context_coursecat) {
$context = $this->context;
} else if ($coursecontext = $this->context->get_course_context(false)) {
// Skip if front page context.
if ($coursecontext->instanceid !== $SITE->id) {
$context = $coursecontext;
}
}
}
// If not, return the system context as a default context.
if (empty($context)) {
$context = context_system::instance();
}
$ret['list'] = [];
$ret['path'] = [];
// Get the content bank browser for the specified context.
if ($browser = \repository_contentbank\helper::get_contentbank_browser($context)) {
$manageurl = new moodle_url('/contentbank/index.php', ['contextid' => $context->id]);
$canaccesscontent = has_capability('moodle/contentbank:access', $context);
$ret['manage'] = $canaccesscontent ? $manageurl->out() : '';
$ret['list'] = $browser->get_content();
$ret['path'] = $browser->get_navigation();
}
return $ret;
}
/**
* Is this repository used to browse moodle files?
*
* @return boolean
*/
public function has_moodle_files() {
return true;
}
/**
* Tells how the file can be picked from this repository.
*
* @return int
*/
public function supported_returntypes() {
return FILE_INTERNAL | FILE_REFERENCE;
}
/**
* Which return type should be selected by default.
*
* @return int
*/
public function default_returntype() {
return FILE_REFERENCE;
}
/**
* Is this repository accessing private data?
*
* @return bool
*/
public function contains_private_data() {
return false;
}
/**
* Repository method to make sure that user can access particular file.
*
* This is checked when user tries to pick the file from repository to deal with
* potential parameter substitutions in request
*
* @param string $source
* @return bool whether the file is accessible by current user
*/
public function file_is_accessible($source) {
global $DB;
$fileparams = json_decode(base64_decode($source));
$itemid = clean_param($fileparams->itemid, PARAM_INT);
$contextid = clean_param($fileparams->contextid, PARAM_INT);
$contentbankfile = $DB->get_record('contentbank_content', ['id' => $itemid]);
$plugin = \core_plugin_manager::instance()->get_plugin_info($contentbankfile->contenttype);
$managerclass = "\\$contentbankfile->contenttype\\content";
if ($plugin && $plugin->is_enabled() && class_exists($managerclass)) {
$context = \context::instance_by_id($contextid);
$browser = \repository_contentbank\helper::get_contentbank_browser($context);
return $browser->can_access_content();
}
return false;
}
/**
* Return search results.
*
* @param string $search
* @param int $page
* @return array
*/
public function search($search, $page = 0) {
$ret = [];
$ret['nologin'] = true;
$ret['list'] = \repository_contentbank\contentbank_search::get_search_contents($search);
return $ret;
}
}