From bff164146b101a18392f22cd942ec1c9a8589628 Mon Sep 17 00:00:00 2001
From: Bernhard Posselt <dev@bernhard-posselt.com>
Date: Tue, 11 Nov 2014 13:21:51 +0100
Subject: add youtube playlist support, fix #620, fix #618

---
 fetcher/youtubefetcher.php | 75 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 fetcher/youtubefetcher.php

(limited to 'fetcher')

diff --git a/fetcher/youtubefetcher.php b/fetcher/youtubefetcher.php
new file mode 100644
index 000000000..cc96e987f
--- /dev/null
+++ b/fetcher/youtubefetcher.php
@@ -0,0 +1,75 @@
+<?php
+/**
+ * ownCloud - News
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Bernhard Posselt <dev@bernhard-posselt.com>
+ * @copyright Bernhard Posselt 2012, 2014
+ */
+
+namespace OCA\News\Fetcher;
+
+
+class YoutubeFetcher implements IFeedFetcher {
+
+    private $feedFetcher;
+
+    public function __construct(FeedFetcher $feedFetcher){
+        $this->feedFetcher = $feedFetcher;
+    }
+
+
+    private function buildUrl($url) {
+        $baseRegex = '%(?:https?://|//)?(?:www.)?youtube.com';
+        $playRegex = $baseRegex . '.*?list=([^&]*)%';
+
+        if (preg_match($playRegex, $url, $matches)) {
+            $id = $matches[1];
+            return 'http://gdata.youtube.com/feeds/api/playlists/' . $id;
+        } else {
+            return false;
+        }
+    }
+
+
+    /**
+     * This fetcher handles all the remaining urls therefore always returns true
+     */
+    public function canHandle($url){
+        return $this->buildUrl($url) !== false;
+    }
+
+
+    /**
+     * Fetch a feed from remote
+     * @param string $url remote url of the feed
+     * @param boolean $getFavicon if the favicon should also be fetched,
+     * defaults to true
+     * @param string $lastModified a last modified value from an http header
+     * defaults to false. If lastModified matches the http header from the feed
+     * no results are fetched
+     * @param string $etag an etag from an http header.
+     * If lastModified matches the http header from the feed
+     * no results are fetched
+     * @throws FetcherException if it fails
+     * @return array an array containing the new feed and its items, first
+     * element being the Feed and second element being an array of Items
+     */
+    public function fetch($url, $getFavicon=true, $lastModified=null,
+                          $etag=null) {
+        $transformedUrl = $this->buildUrl($url);
+
+        $result = $this->feedFetcher->fetch(
+            $transformedUrl, $getFavicon, $lastModified, $etag
+        );
+
+        // reset feed url so we know the correct added url for the feed
+        $result[0]->setUrl($url);
+
+        return $result;
+    }
+
+
+}
-- 
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