Changeset 865

Timestamp:

08/31/08 06:06:06 (3 months ago)

Author:

rickc

Message:

Plugin: podcast. Start getting the rss portion of the plugin done. Still not usable.

Files:

• plugins/podcast/trunk/podcast.plugin.php (modified) (8 diffs)

plugins/podcast/trunk/podcast.plugin.php

@@ -10 +10 @@
 class Podcast extends Plugin
 {
+/*  private $itunesCategory = array(
+        'Arts' => array( 'Design', 'Fashion & Beauty', 'Food', 'Literature', 'Performing Arts', 'Visual Arts' ),
+        'Business' => array( 'Business News', 'Careers', 'Investing', 'Management & Marketing', 'Shopping' ),
+        'Comedy',
+        'Education' => array( 'Education Technology', 'Higher Education', 'K-12', 'Language Courses', 'Training' ),
+        'Games & Hobbies' => array( 'Automotive', 'Aviation', 'Hobbies', 'Other Games', 'Video Games' ),
+        'Government & Organizations' => array( 'Local', 'National', 'Non-Profit', 'Regional' ),
+        'Health' => array( 'Alternative Health', 'Fitness & Nutrition', 'Self-Help', 'Sexuality' ),
+        'Kids & Family',
+        'Music',
+        'News & Politics',
+        'Religion & Spirituality' => array( 'Buddhism', 'Christianity', 'Hinduism', 'Islam', 'Judaism', 'Other', 'Spirituality' ),
+        'Science & Medicine' => array( 'Medicine', 'Natural Sciences', 'Social Sciences' ),
+        'Society & Culture' => array( 'History', 'Personal Journals', 'Philosophy', 'Places & Travel' ),
+        'Sports & Recreation' => array( 'Amateur', 'College & High School', 'Outdoor', 'Professional' ),
+        'Technology' => array( 'Gadgets', 'Tech News', 'Podcasting', 'Software How-To' ),
+        'TV & Film',
+    );
+*/
     /**
     *
@@ -68 +87 @@
     {
         if ($plugin_id == $this->plugin_id()){
+            $feeds = Options::get( 'podcast__feeds' );
+            if( isset( $feeds ) && count( $feeds ) > 0 ) {
+                $feed_obj = new ArrayObject( $feeds );
+                for( $it = $feed_obj->getIterator(); $it->valid(); $it->next() ) {
+                    if( $action == 'feed_' .  md5(  $it->key() ) ) {
+                        $ui = new FormUI( 'feed' );
+                        $label = sprintf( _t( 'Edit %s iTunes options' ), $it->key() );
+                        $itunes = $ui->append( 'fieldset', 'itunes', $label );
+                        $ui->append( 'submit', 'submit', _t( 'Submit' ) );
+                        $ui->out();
+                    }
+                }
+            }
             switch ($action){
                 case 'managefeeds' :
@@ -79 +111 @@
                     $feeddata = array_keys(Options::get('podcast__feeds'));
                     if(count($feeddata) > 0) {
-                        $editfeed = $ui->append('fieldset', 'editfeed', 'Manage Feeds');
+                        $editfeed = $ui->append('fieldset', 'editfeed', _t( 'Manage Feeds' ) );
                         $editfeed->append('static', 'managelabel', '<p>' . _t('Uncheck the feeds that you wish to delete.') . '</p>');
-                        $feeds = $editfeed->append('checkboxes', 'feeds', 'null:null', 'Feeds');
+                        $feeds = $editfeed->append('checkboxes', 'feeds', 'null:null', _t( 'Feeds' ) );
                         $feeds->options = array_combine($feeddata, $feeddata);
                         $feeds->value = $feeddata; 
@@ -143 +175 @@
     *
     * @param FormUI $form The publish form
-    * @param Post $post The string id of a plugin, generated by the system
-    * @return array The array of actions to attach to the specified $plugin_id
+    * @param Post $post 
+    * @return array 
     */
     public function action_form_publish($form, $post)
     {
-        if($post->content_type == Post::type('podcast') ) {
+        if($post->content_type === Post::type('podcast') ) {
             $feeds = Options::get('podcast__feeds');
             $output = '';
@@ -163 +195 @@
     }
 
+    /*
+    * Modify a post before it is updated
+    *
+    * Called whenever a post is about to be updated or published . 
+    *
+    * @param Post $post The post being saved, by reference
+    * @param FormUI $form The form that was submitted on the publish page
+    */
+    public function action_publish_post($post, $form)
+    {
+        if( $post->content_type === Post::type( 'podcast' ) ) {
+    Utils::debug( $form->get_values());
+            $feeds = Options::get('podcast__feeds');
+            foreach($feeds as $feed => $feedtype) {
+                $control_id = md5($feed);
+                $fieldname = "enclosure_{$control_id}";
+                $customfield = $form->$fieldname;
+                $post->info->{$feed} = $customfield->value;
+            }
+        }
+    }
+
     /**
     * Add rewrite rules to map podcast feeds to this plugin
@@ -171 +225 @@
     public function filter_rewrite_rules( $rules ) {
         $feeds = Options::get('podcast__feeds');
-        $feed_regex = implode('|', $feeds);
+        $feed_regex = implode('|', array_keys( $feeds ) );
         $rules[] = new RewriteRule(array(
-            'name' => 'item',
+            'name' => 'podcast',
             'parse_regex' => '%podcast/(?P<name>' . $feed_regex . ')/(?P<feed_type>rss|atom)/?$%i',
             'build_str' => 'podcast/{$name}/{$feed_type}',
@@ -181 +235 @@
             'is_active' => 1,
         ));
-
         return $rules;
     }
@@ -210 +263 @@
     * @param string $feed_name The name of the feed to output
     */
-    public function produce_rss($feed_name)
-    {
-        echo <<< RSS
-RSS goes here.
-RSS;
+    public function produce_rss( $feed_name )
+    {
+        $xml = $this->create_rss_wrapper( $feed_name );
+        $posts= Posts::get( array( 'status' => Post::status( 'published' ), 'content_type' => Post::type( 'podcast' ), array( 'info' => $feed_name ) ) );
+        $xml = $this->add_posts( $xml, $posts, $feed_name );
+        Plugins::act( 'podcast_rss_collection', $xml, $posts, $feed_name );
+        ob_clean();
+
+        header( 'Content-Type: application/xml' );
+        echo $xml->asXML();
+        exit;
+    }
+
+    /**
+     * Creates a basic RSS-format XML structure with channel and items elements
+     * @return SimpleXMLElement The requested RSS document
+     */
+    public function create_rss_wrapper( $feed_name )
+    {
+        $xml= new SimpleXMLElement( '<?xml version="1.0" encoding="UTF-8" ?><rss></rss>' );
+        $xml->addAttribute( 'xmlns:xmlns:itunes', 'http://www.itunes.com/dtds/podcast-1.0.dtd' );
+        $xml->addAttribute(  'version', '2.0' );
+        $channel= $xml->addChild( 'channel' );
+        $title= $channel->addChild( 'title', htmlspecialchars( Options::get('title') ) );
+        $link= $channel->addChild( 'link', Site::get_url('habari') );
+        if ( $tagline= Options::get( 'tagline' ) ) {
+            $description= $channel->addChild( 'description', htmlspecialchars( $tagline ) );
+        }
+        $pubDate= $channel->addChild( 'lastBuildDate', date( DATE_RFC822, strtotime( Post::get()->pubdate ) ) );
+        $generator= $channel->addChild( 'generator', 'Habari ' . Version::get_habariversion() . ' http://habariproject.org/' );
+
+        $itunes_author = $channel->addChild( 'xmlns:itunes:author', 'nothing' );
+        $itunes_subtitle = $channel->addChild( 'xmlns:itunes:subtitle', 'nothing' );
+        $itunes_summary = $channel->addChild( 'xmlns:itunes:summary', 'nothing' );
+        $itunes_owner = $channel->addChild( 'xmlns:itunes:owner' );
+        $itunes_owner_name = $itunes_owner->addChild( 'xmlns:itunes:name', 'nothing' );
+        $itunes_owner_email = $itunes_owner->addChild( 'xmlns:itunes:email', 'nothing' );
+        $itunes_explicit = $channel->addChild( 'xmlns:itunes:explicit', 'no' );
+        $itunes_image = $channel->addChild( 'xmlns:itunes:image', 'nothing' );
+        $itunes_image->addAttribute( 'href', 'nothing' );
+        $itunes_category = $channel->addChild( 'xmlns:itunes:category' );
+        $itunes_category->addAttribute( 'text', 'nothing' );
+
+        Plugins::act( 'podcast_create_wrapper', $xml );
+        return $xml;
+    }
+
+    /**
+     * Add posts as items in the provided xml structure
+     * @param SimpleXMLElement $xml The document to add to
+     * @param array $posts An array of Posts to add to the XML
+     * @return SimpleXMLElement The resultant XML with added posts
+     */
+    public function add_posts($xml, $posts, $feed_name )
+    {
+        $items = $xml->channel;
+        foreach ( $posts as $post ) {
+            if ($post instanceof Post) {
+                $item= $items->addChild( 'item' );
+                $title= $item->addChild( 'title', htmlspecialchars( $post->title ) );
+                $link= $item->addChild( 'link', $post->permalink );
+                $description= $item->addChild( 'description', htmlspecialchars( $post->content ) );
+                $pubdate= $item->addChild ( 'pubDate', date( DATE_RFC822, strtotime( $post->pubdate ) ) );
+                $guid= $item->addChild( 'guid', $post->guid );
+                $guid->addAttribute( 'isPermaLink', 'false' );
+                $enclosure = $item->addChild( 'enclosure' );
+                $enclosure->addAttribute( 'url', $post->info->feed );
+                $enclosure->addAttribute( 'length', filesize( $post->info->feed ) );
+                $enclosure->addAttribute( 'type', 'audio/mpeg' );
+                $category = $item->addChild( 'Category', '' );
+
+                $itunes_author = $item->addChild( 'xmlns:itunes:author', $post->author->displayname );
+                $itunes_explicit = $item->addChild( 'xmlns:itunes:explicit', 'Clean' );
+                $itunes_subtitle = $item->addChild( 'xmlns:itunes:subtitle', '' );
+                $itunes_summary = $item->addChild( 'xmlns:itunes:summary', '' );
+                $itunes_duration = $item->addChild( 'xmlns:itunes:duration', '' );
+                $itunes_keywords = $item->addChild( 'xmlns:itunes:keywords', '' );
+
+                Plugins::act( 'podcast_add_post', $item, $post );
+            }
+        }
+        return $xml;
     }