Cleanup and bugfixes for rss and partial template

CHANGELOG.md

@@ -1,3 +1,16 @@
+# v0.9.0
+## 07/05/2017
+1. [](#new)
+    * Groundwork for calculating episode duration.
+    * CSS striping added to podcast_archive_list.html.twig partial.
+2. [](#improved)
+    * Rss feed as well as the partial render an episode's duration.
+3. [](#bugfix)
+    * Added self-referencing atom tag for rss feed.
+    * Collections now use the correct header date for published date.  Falls back to header.date if header.publish_date is not avilable.
+    * Removed a few debug lines.
+    * Removed auto-generated 'text_var' from podcast.yaml
+
 # v0.1.0
 ##  06/30/2017
 

podcast.php

@@ -4,6 +4,7 @@ namespace Grav\Plugin;
 use Grav\Common\Grav;
 use Grav\Common\Plugin;
 use RocketTheme\Toolbox\Event\Event;
+use RocketTheme\Toolbox\File\File;
 
 /**
  * Class PodcastPlugin
@@ -44,6 +45,7 @@ class PodcastPlugin extends Plugin
     // Enable the main event we are interested in
     $this->enable([      
       'onTwigTemplatePaths' => ['onTwigTemplatePaths', 0],
+      'onPageInitialized' => ['onPageInitialized', 0],
     ]);
   }
 
@@ -57,7 +59,7 @@ class PodcastPlugin extends Plugin
     $types->scanBlueprints($locator->findResource('plugin://' . $this->name . '/blueprints'));
     $types->scanTemplates($locator->findResource('plugin://' . $this->name . '/templates'));
   }
-    
+
   /**
    * Add templates directory to twig lookup paths.
    */
@@ -65,7 +67,52 @@ class PodcastPlugin extends Plugin
   {
       $this->grav['twig']->twig_paths[] = __DIR__ . '/templates';
   }
-  
+
+  /**
+   * Set metadata in header for podcast if audio file is attached.
+   */
+  public function onPageInitialized($event){
+    $page = $this->grav['page'];
+    $header = $page->header();
+    // Only process podcast pages with audio attached.
+    if( isset($header->podcast['audio']) && $page->name() == 'podcast-episode.md') {
+
+      // Find array key for podcast audio.
+      $key = array_keys($header->podcast['audio']);
+
+      if(!isset($header->podcast['audio'][$key[0]]['duration'])){
+        $audio = $header->podcast['audio'];
+        $dir = $page->path();
+        $fullFileName = $dir. DS . 'podcast-episode.md';
+        $file = File::instance($fullFileName);
+
+        $duration = $this->retreiveAudioDuration($key[0]);
+        $raw = $file->raw();
+        $orig = "type: audio/mpeg\n";
+        $replace = $orig . "            duration: $duration\n";
+        $raw = str_replace($orig, $replace, $raw);
+
+        $file->save($raw);
+        $this->grav['log']->info("Added duration to ");
+
+      }
+    }
+  }
+
+  /**
+   * Retrieve audio metadata duration.
+   *
+   * @param string $file
+   *   Path to audio file.
+   * @return string
+   *   Audio file duration.
+   */
+  public static function retreiveAudioDuration($file) {
+    //todo: change fixed value to calcuated one.
+    return "2:30";
+  }
+
+
   /**
    * Generate GUID for podcast entry.
    */

podcast.yaml

@@ -1,2 +1,2 @@
 enabled: true
-text_var: Custom Text added by the **Podcast** plugin (disable plugin to remove)
+

templates/feed.rss.twig

@@ -32,10 +32,11 @@
         <itunes:image href ="{{ (uri.base ~ '/' ~ (episode.header.podcast.itunes.image | first).path) }}"/>
         <enclosure length="{{ length }}" url="{{ (uri.base ~ '/' ~ (episode.header.podcast.audio | first).path) }}" type="audio/mpeg"  />
         <guid>{{ episode.header.podcast.guid }}</guid>
-        <itunes:duration>{{ length }}</itunes:duration>
-        <pubDate>{{ episode.date|date('D, d M Y H:i:s O') }}</pubDate>
+        <itunes:duration>{{ ((episode.header.podcast.audio)|first).duration }}</itunes:duration>
+        <pubDate>{{ (episode.header.publish_date ?: episode.header.date)|date('D, d M Y H:i:s O') }}</pubDate>
     </item>
     {% endif %}
     {% endfor %}
+    <atom:link href="{{ uri.base ~ base_url ~ page.route ~ '.rss' }}" rel="self" type="application/rss+xml" />
   </channel>
 </rss>

templates/partials/podcast_archive_list.html.twig

@@ -6,13 +6,12 @@
   {% for episode in page.collection %}
 
     {% if episode.header.podcast.audio %}
-        {% set striping = cycle(["even", "odd"], loop.index) %}      
+        {% set striping = cycle(["even", "odd"], loop.index) %}
         {% set foundItems = TRUE %}
-        {{ dump(episode.path) }}
         <li class = 'podcast-meta {{ striping }}'>
-          <a href="{{ episode.uri|absolute_url }}"><h3>{{ episode.title }}</h2></a>
-          <p class="date">{{ episode.date|date(' d M Y ') }}</p>
-          <p class="length">Length: </p>
+          <a href="{{ episode.url|absolute_url }}"><h3>{{ episode.title }}</h2></a>
+          <p class="date">{{ (episode.header.publish_date ?: episode.header.date)|date(' d M Y ') }}</p>
+          <p class="length">Length: {{ ((episode.header.podcast.audio)|first).duration }} </p>
         </li>
 
     {% endif %}