rss feed plus

Added an action for creating an RSS 1.0 (RDF) feed. To make this work,
added a couple of helper functions to util, and changed the HTML stuff
to use the helper functions.

Also, changed a bit of formatting in the profile. Yeah, not a clean
changeset.

darcs-hash:20080521143351-84dde-d191761c399d7f014b990585c21e916e887b3401.gz

diff --git a/actions/rss10.php b/actions/rss10.php
new file mode 100644 (file)
index 0000000..f717f17
--- /dev/null
+++ b/actions/rss10.php
@@ -0,0 +1,130 @@
+<?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' => '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' => $n->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_end('item');
+       }
+}
\ No newline at end of file

diff --git a/actions/showstream.php b/actions/showstream.php
index b4844aabd4d41c5a180cfbcad1106b2bfd2d8a38..7e887a9d9ec00dd07698b792dc21d7863d8d06f8 100644 (file)
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -101,13 +101,14 @@ class ShowstreamAction extends StreamAction {
                                                                                'alt' => $profile->nickname));
                }
                if ($profile->fullname) {
+                       common_element_start('div', 'fullname');
                        if ($profile->homepage) {
-                               common_element('a', array('href' => $profile->homepage,
-                                                                                 'class' => 'fullname'),
+                               common_element('a', array('href' => $profile->homepage),
                                                           $profile->fullname);
                        } else {
-                               common_element('div', 'fullname', $profile->fullname);
+                               common_text($profile->fullname);
                        }
+                       common_element_end('div');
                }
                if ($profile->location) {
                        common_element('div', 'location', $profile->location);

diff --git a/lib/util.php b/lib/util.php
index e4699bf1a4d12ec5b7af77258cc25229351018d6..8b013c6457a59c70ce5dbab3b623b86165ec99c3 100644 (file)
--- a/lib/util.php
+++ b/lib/util.php
@@ -65,17 +65,31 @@ function common_element($tag, $attrs=NULL, $content=NULL) {
        common_element_end($tag);
 }
 
+function common_start_xml($doc=NULL, $public=NULL, $system=NULL) {
+       global $xw;
+       $xw = new XMLWriter();
+       $xw->openURI('php://output');
+       $xw->setIndent(true);
+       $xw->startDocument('1.0', 'UTF-8');
+       if ($doc) {
+               $xw->writeDTD($doc, $public, $system);
+       }
+}
+
+function common_end_xml() {
+       global $xw;
+       $xw->endDocument();
+       $xw->flush();
+}
+
 function common_show_header($pagetitle) {
        global $config, $xw;
 
        header('Content-Type: application/xhtml+xml');
 
-       $xw = new XMLWriter();
-       $xw->openURI('php://output');
-       $xw->setIndent(true);
-       $xw->startDocument('1.0', 'UTF-8');
-       $xw->writeDTD('html', '-//W3C//DTD XHTML 1.0 Strict//EN',
-                                 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
+       common_start_xml('html',
+                                        '-//W3C//DTD XHTML 1.0 Strict//EN',
+                                        'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
 
        # FIXME: correct language for interface
 
@@ -121,8 +135,7 @@ function common_show_footer() {
        common_element_end('div');
        common_element_end('body');
        common_element_end('html');
-       $xw->endDocument();
-       $xw->flush();
+       common_end_xml();
 }
 
 function common_text($txt) {