[mod] update Delicious service class

- add Service method to get config values for config keys
- adjust standard content of a Delicious service item
- using new Feed service as Delicious parent service

lib/Services/Delicious.php

@@ -1,23 +1,43 @@
 <?php
-	defined('PUBWICH') or die('No direct access allowed.');
+defined('PUBWICH') or die('No direct access allowed.');
 
-	/**
-	 * @classname Delicious
-	 * @description Fetch Del.icio.us bookmarks
-	 * @version 1.1 (20090929)
-	 * @author Rémi Prévost (exomel.com)
-	 * @methods None
-	 */
+/**
+ * Delicious Service
+ *
+ * Fetch Delicious bookmarks.
+ *
+ * @version 1.1 (20090929)
+ * @author Rémi Prévost (exomel.com)
+ * @author Michael Haschke, http://michael.haschke.biz/
+ * @methods None
+ */
 
-	Pubwich::requireServiceFile( 'RSS' );
-	class Delicious extends RSS {
+Pubwich::requireServiceFile( 'Feed' );
+class Delicious extends Feed {
 
-		public function __construct( $config ){
-			$config['link'] = 'http://del.icio.us/'.$config['username'].'/';
-			$config['url'] = sprintf( 'http://feeds.delicious.com/v2/rss/%s?count=%s', $config['username'], $config['total'] );
-			parent::__construct( $config );
-			$this->setItemTemplate('<li><a href="{{{link}}}">{{{title}}}</a></li>'."\n");
-		}
+    public function __construct( $config ){
+        $config['link'] = 'http://delicious.com/'.$config['username'].'/';
+        $config['url'] = sprintf( 'http://feeds.delicious.com/v2/rss/%s?count=%s', $config['username'], $config['total'] );
+        parent::__construct( $config );
+        $this->setItemTemplate(
+            '<li>
+                <a href="{{{link}}}">{{{title}}}</a>
+                ({{{date}}})
+                {{#category}}
+                    <em><a href="{{{service_link}}}{{{category}}}">{{{category}}}</a></em>
+                {{/category}}
+             </li>'."\n"
+        );
+    }
 
-	}
+    /**
+     * @return array
+     * @since 20110531
+     */
+    public function processDataItem( $item ) {
+        $item = parent::processDataItem($item);
+        $item['service_link'] = $this->getConfigValue('link');
+        return $item;
+    }
+}
 

lib/Services/Feed.php

@@ -86,7 +86,7 @@ public function populateItemTemplate( &$item ) {
      * @return array
      * @since 20110531
      */
-    public function processDataItem( &$item ) {
+    public function processDataItem( $item ) {
 
         // meta
 

lib/Services/Service.php

@@ -62,6 +62,18 @@ public function __construct( $config=array() ) {
 			}
 		}
 
+		/**
+         * @since 2011-11-13
+		 */
+        public function getConfigValue($key)
+        {
+            if (isset($this->configuration[$key])) {
+                return $this->configuration[$key];
+            }
+
+            return null;
+        }
+
 		/**
 		 * Use timeshift factor to randomize range of cache invalidation time.
          * Default: 0.5 (with 1h cache it means 0.5h to 1.5h)