abstract out RSS 1.0 generation to allow multiple streams

darcs-hash:20080522112954-84dde-aa5087977298f5169148383e82e22241e613b1f2.gz

3 files changed, 81 insertions, 134 deletions

diff --git a/actions/rss10.php b/actions/rss10.php
deleted file mode 100644
index bae4e8652..000000000
--- a/actions/rss10.php
+++ /dev/null
@@ -1,133 +0,0 @@
-<?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
- *
- * 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/>.
- */
-
-if (!defined('LACONICA')) { exit(1); }
-
-class Rss10Action extends Action {
-
-	function handle($args) {
-		parent::handle($args);
-		
-		$nickname = $this->trimmed('nickname');
-		
-		if (!$nickname) {
-			common_user_error(_t('No nickname provided.'));
-		}
-		
-		$user = User::staticGet('nickname', $nickname);
-		
-		if (!$user) {
-			common_user_error(_t('No such nickname.'));
-		}
-		
-		$limit = (int) $this->trimmed('limit');
-		
-		$this->show_rss($user, $limit);
-	}
-	
-	function show_rss($user, $limit=0) {
-		
-		global $config;
-		
-		header('Content-Type: application/rdf+xml');
-
-		common_start_xml();
-		common_element_start('rdf:RDF', array('xmlns:rdf' =>
-											  'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
-											  'xmlns:dc' =>
-											  'http://purl.org/dc/elements/1.1/',
-											  'xmlns' => 'http://purl.org/rss/1.0/'));
-
-		$notices = $this->get_notices($user, $limit);
-		$this->show_channel($user, $notices);
-		
-		foreach ($notices as $n) {
-			$this->show_item($n);
-		}
-		
-		common_element_end('rdf:RDF');
-	}
-	
-	function get_notices($user, $limit=0) {
-		$notices = array();
-		
-		$notice = DB_DataObject::factory('notice');
-		$notice->profile_id = $user->id; # user id === profile id
-		$notice->orderBy('created DESC');
-		if ($limit != 0) {
-			$notice->limit(0, $limit);
-		}
-		$notice->find();
-		
-		while ($notice->fetch()) {
-			$notices[] = clone($notice);
-		}
-		
-		return $notices;
-	}
-	
-	function show_channel($user, $notices) {
-		
-		# XXX: this is kind of indirect, eh?
-		$profile = $user->getProfile();
-		$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
-		
-		common_element_start('channel', array('rdf:about' =>
-											  common_local_url('rss10',
-															   array('nickname' => 
-																	 $user->nickname))));
-		common_element('title', NULL, $user->nickname);
-		common_element('link', NULL, $profile->profileurl);
-		common_element('description', NULL, _t('Microblog by ') . $user->nickname);
-
-		if ($avatar) {
-			common_element('image', array('rdf:resource' => $avatar->url));
-		}
-
-		common_element_start('items');
-		common_element_start('rdf:Seq');
-		foreach ($notices as $n) {
-			common_element('rdf:li', array('rdf:resource' =>
-										   common_local_url('shownotice',
-															array('notice' => $n->id))));
-		}
-		
-		common_element_end('rdf:Seq');
-		common_element_end('items');
-		common_element_end('channel');
-		
-		if ($avatar) {
-			common_element_start('image', array('rdf:about' => $avatar->url));
-			common_element('title', NULL, $user->nickname);
-			common_element('link', NULL, $profile->profileurl);
-			common_element('url', NULL, $avatar->url);
-			common_element_end('image');
-		}
-	}
-	
-	function show_item($notice) {
-		$nurl = common_local_url('shownotice', array('notice' => $notice->id));
-		common_element_start('item', array('rdf:about' => $nurl));
-		common_element('title', NULL, $notice->created);
-		common_element('link', NULL, $nurl);
-		common_element('description', NULL, common_render_content($notice->content));
-		common_element('dc:date', NULL, common_date_w3dtf($notice->created));
-		common_element_end('item');
-	}
-}
\ No newline at end of file
diff --git a/actions/showstream.php b/actions/showstream.php
index dd849f093..3de9a6e23 100644
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -64,7 +64,7 @@ class ShowstreamAction extends StreamAction {
 
 	function show_header($user) {
 		common_element('link', array('rel' => 'alternate',
-									 'href' => common_local_url('rss10', array('nickname' =>
+									 'href' => common_local_url('userrss', array('nickname' =>
 																			   $user->nickname)),
 									 'type' => 'application/rss+xml',
 									 'title' => _t('Notice feed for ') . $user->nickname));
diff --git a/actions/userrss.php b/actions/userrss.php
new file mode 100644
index 000000000..92a6bccc9
--- /dev/null
+++ b/actions/userrss.php
@@ -0,0 +1,80 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * 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/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+require_once(INSTALLDIR.'/lib/rssaction.php');
+
+// Formatting of RSS handled by Rss10Action
+
+class UserrssAction extends Rss10Action {
+
+	var $user = NULL;
+
+	function init() {
+		$nickname = $this->trimmed('nickname');
+		$this->user = User::staticGet('nickname', $nickname);
+		
+		if (!$this->user) {
+			common_user_error(_t('No such nickname.'));
+			return false;
+		} else {
+			return true;
+		}
+	}
+	
+	function get_notices($limit=0) {
+		
+		$user = $this->user;
+		$notices = array();
+		
+		$notice = DB_DataObject::factory('notice');
+		$notice->profile_id = $user->id; # user id === profile id
+		$notice->orderBy('created DESC');
+		if ($limit != 0) {
+			$notice->limit(0, $limit);
+		}
+		$notice->find();
+		
+		while ($notice->fetch()) {
+			$notices[] = clone($notice);
+		}
+		
+		return $notices;
+	}
+	
+	function get_channel() {
+		$user = $this->user;
+		$profile = $user->getProfile();
+		$c = array('url' => common_local_url('userrss',
+											 array('nickname' => 
+												   $user->nickname)),
+				   'title' => $user->nickname,
+				   'link' => $profile->profileurl,
+				   'description' => _t('Microblog by ') . $user->nickname);
+		return $c;
+	}
+	
+	function get_image() {
+		$user = $this->user;
+		$profile = $user->getProfile();
+		$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
+		return ($avatar) ? $avatar->url : NULL;
+	}
+}
\ No newline at end of file