From d9dcdf5b4966fc244fa9b6fa8415c2aeae6cbb47 Mon Sep 17 00:00:00 2001
From: Nick Holliday <n.g.holliday@gmail.com>
Date: Tue, 23 Mar 2010 22:30:02 +0000
Subject: Converts Spotify URI/HTTP Links to pretty ones.

---
 plugins/SpotifyPlugin.php | 113 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 plugins/SpotifyPlugin.php

diff --git a/plugins/SpotifyPlugin.php b/plugins/SpotifyPlugin.php
new file mode 100644
index 000000000..e7a5a5382
--- /dev/null
+++ b/plugins/SpotifyPlugin.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+  *
+ * Plugin to create pretty Spotify URLs
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Plugin
+ * @package   StatusNet
+ * @author    Nick Holliday <n.g.holliday@gmail.com>
+ * @copyright Nick Holliday
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ *
+ * @see      Event
+ */
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+define('SPOTIFYPLUGIN_VERSION', '0.1');
+
+/**
+ * Plugin to create pretty Spotify URLs
+ *
+ * The Spotify API is called before the notice is saved to gather artist and track information.
+ *
+ * @category  Plugin
+ * @package   StatusNet
+ * @author    Nick Holliday <n.g.holliday@gmail.com>
+ * @copyright Nick Holliday
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ *
+ * @see       Event
+ */
+
+class SpotifyPlugin extends Plugin
+{
+
+    function __construct()
+    {
+        parent::__construct();
+    }
+
+    function onStartNoticeSave($notice)
+    {
+        $notice->rendered = preg_replace_callback('/spotify:[a-z]{5,6}:[a-z0-9]{22}/i',
+                                                  "renderSpotifyURILink",
+                                                  $notice->rendered);
+
+        $notice->rendered = preg_replace_callback('/<a href="http:\/\/open.spotify.com\/[a-z]{5,6}\/[a-z0-9]{22}" title="http:\/\/open.spotify.com\/[a-z]{5,6}\/[a-z0-9]{22}" rel="external">http:\/\/open.spotify.com\/[a-z]{5,6}\/[a-z0-9]{22}<\/a>/i',
+                                                  "renderSpotifyHTTPLink",
+                                                  $notice->rendered);
+
+        return true;
+    }
+
+    function userAgent()
+    {
+        return 'SpotifyPlugin/'.SPOTIFYPLUGIN_VERSION .
+               ' StatusNet/' . STATUSNET_VERSION;
+    }
+}
+
+function doSpotifyLookup($uri, $isArtist)
+{
+    $request = HTTPClient::start();
+    $response = $request->get('http://ws.spotify.com/lookup/1/?uri=' . $uri);
+    if ($response->isOk()) {
+        $xml = simplexml_load_string($response->getBody());
+
+        if($isArtist)
+            return $xml->name;
+        else
+            return $xml->artist->name . ' - ' . $xml->name;
+    }
+}
+
+function renderSpotifyURILink($match)
+{
+    $isArtist = false;
+    if(preg_match('/artist/', $match[0]) > 0) $isArtist = true;
+
+    $name = doSpotifyLookup($match[0], $isArtist);
+    return "<a href=\"{$match[0]}\">" . $name . "</a>";
+}
+
+function renderSpotifyHTTPLink($match)
+{
+    $match[0] = preg_replace('/<a href="http:\/\/open.spotify.com\/[a-z]{5,6}\/[a-z0-9]{22}" title="http:\/\/open.spotify.com\/[a-z]{5,6}\/[a-z0-9]{22}" rel="external">http:\/\/open.spotify.com\//i', 'spotify:', $match[0]);
+    $match[0] = preg_replace('/<\/a>/', '', $match[0]);
+    $match[0] = preg_replace('/\//', ':', $match[0]);
+
+    $isArtist = false;
+    if(preg_match('/artist/', $match[0]) > 0) $isArtist = true;
+
+    $name = doSpotifyLookup($match[0], $isArtist);
+    return "<a href=\"{$match[0]}\">" . $name . "</a>";
+}
-- 
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