mirror of
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107 lines
3.8 KiB
PHP
107 lines
3.8 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* repository_youtube class
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*
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* @since 2.0
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* @package moodlecore
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* @subpackage repository
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* @copyright 2009 Dongsheng Cai
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* @author Dongsheng Cai <dongsheng@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class repository_youtube extends repository {
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public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array()) {
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$this->keyword = optional_param('youtube_keyword', '', PARAM_RAW);
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$this->start =1;
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$this->max = 27;
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$this->sort = 'published';
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parent::__construct($repositoryid, $context, $options);
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}
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public function check_login() {
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return !empty($this->keyword);
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}
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public function search($search_text) {
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$ret = array();
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$ret['nologin'] = true;
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$ret['list'] = $this->_get_collection($this->keyword, $this->start, $this->max, $this->sort);
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return $ret;
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}
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private function _get_collection($keyword, $start, $max, $sort) {
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$list = array();
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$this->feed_url = 'http://gdata.youtube.com/feeds/api/videos?q=' . urlencode($keyword) . '&format=5&start-index=' . $start . '&max-results=' .$max . '&orderby=' . $sort;
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$c = new curl(array('cache'=>true, 'module_cache'=>'repository'));
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$content = $c->get($this->feed_url);
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$xml = simplexml_load_string($content);
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$media = $xml->entry->children('http://search.yahoo.com/mrss/');
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$links = $xml->children('http://www.w3.org/2005/Atom');
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foreach ($xml->entry as $entry) {
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$media = $entry->children('http://search.yahoo.com/mrss/');
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$title = $media->group->title;
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$attrs = $media->group->thumbnail->attributes();
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$thumbnail = $attrs['url'];
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$arr = explode('/', $entry->id);
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$id = $arr[count($arr)-1];
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$source = 'http://www.youtube.com/v/'.$id;
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$list[] = array(
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'title'=>(string)$title,
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'thumbnail'=>(string)$attrs['url'],
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'thumbnail_width'=>150,
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'thumbnail_height'=>120,
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'size'=>'',
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'date'=>'',
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'source'=>$source
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);
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}
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return $list;
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}
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public function global_search() {
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return false;
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}
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public function get_listing($path='', $page = '') {
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$ret = array();
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$ret['nologin'] = true;
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$ret['list'] = $this->_get_collection($this->keyword, $this->start, $this->max, $this->sort);
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return $ret;
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}
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public function print_login($ajax = true) {
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$ret = array();
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$search = new stdclass;
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$search->type = 'text';
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$search->id = 'youtube_search';
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$search->name = 'youtube_keyword';
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$search->label = get_string('search', 'repository_youtube').': ';
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$ret['login'] = array($search);
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$ret['login_btn_label'] = get_string('search');
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$ret['login_btn_action'] = 'search';
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return $ret;
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}
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public function supported_filetypes() {
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return array('web_video');
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}
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public function supported_returntypes() {
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return FILE_EXTERNAL;
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}
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}
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