* SAAS-1084 - initial work on publishing API backend

* More work on automatic ingest
* Add automatic_ingest_timestamp column to ImportedPodcast

airtime_mvc/application/services/PublishServiceFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+class PublishServiceFactory {
+
+    /**
+     * Given an identifying string, get a PublishService object of that type
+     *
+     * @param $serviceName string the name of the service to create
+     *
+     * @return Publish|null
+     */
+    public static function getService($serviceName) {
+        switch($serviceName) {
+            case SOUNDCLOUD_SERVICE_NAME:
+                return new Application_Service_SoundcloudService();
+            case STATION_PODCAST_SERVICE_NAME:
+                return new Application_Service_PodcastEpisodeService();
+            default:
+                return null;
+        }
+    }
+
+}