SAAS-1083 - work on publish dialog

airtime_mvc/application/services/PublishService.php

@@ -0,0 +1,105 @@
+<?php
+
+class Application_Service_PublishService {
+
+    /**
+     * @var array map of arbitrary source names to descriptive labels
+     */
+    private static $SOURCES = array(
+        "soundcloud"        => SOUNDCLOUD,
+        "station_podcast"   => "My Station Podcast"
+    );
+
+    /**
+     * @var array map of arbitrary source names to functions that return
+     *            their publication state (true = published)
+     */
+    private static $SOURCE_FUNCTIONS = array(
+        "soundcloud"        => "getSoundCloudPublishStatus",
+        "station_podcast"   => "getStationPodcastPublishStatus"
+    );
+
+    /**
+     * Publish or remove the file with the given file ID from the services
+     * specified in the request data (ie. SoundCloud, the station podcast)
+     *
+     * @param int $fileId   ID of the file to be published
+     * @param array $data   request data containing what services to publish to
+     */
+    public static function publish($fileId, $data) {
+        foreach ($data as $k => $v) {
+            $service = PublishServiceFactory::getService($k);
+            if ($v) $service->publish($fileId);
+        }
+    }
+
+    /**
+     * For the file with the given ID, check external sources and generate
+     * an array of source states and labels.
+     *
+     * Sources to which the file has been published should be passed back in a
+     * "published" array, while sources to which the file has not been published
+     * should be passed back in a "toPublish" array.
+     *
+     * @param int $fileId the ID of the file to check
+     *
+     * @return array array containing published and toPublish arrays. Has the form
+     *               [
+     *                   "toPublish" => [
+     *                                      "source" => "label",
+     *                                      ...
+     *                                  ]
+     *                   "published" => [
+     *                                      "source" => "label",
+     *                                      ...
+     *                                  ]
+     *               ]
+     */
+    public static function getSourceLists($fileId) {
+        $publishSources = $publishedSources = array();
+        foreach (self::$SOURCES as $source => $label) {
+            $fn = self::$SOURCE_FUNCTIONS[$source];
+            // Should be in a ternary but PHP doesn't play nice
+            if (self::$fn($fileId)) {
+                $publishedSources[$source] = _($label);
+            } else {
+                $publishSources[$source] = _($label);
+            }
+        }
+
+        return array(
+            "toPublish" => $publishSources,
+            "published" => $publishedSources
+        );
+    }
+
+    /** @noinspection PhpUnusedPrivateMethodInspection
+     * Reflective accessor for SoundCloud publication status for the
+     * file with the given ID
+     *
+     * @param int $fileId the ID of the file to check
+     *
+     * @return bool true if the file has been published to SoundCloud,
+     *              otherwise false
+     */
+    private static function getSoundCloudPublishStatus($fileId) {
+        $soundcloudService = new Application_Service_SoundcloudService();
+        return ($soundcloudService->getServiceId($fileId) != 0);
+    }
+
+    /** @noinspection PhpUnusedPrivateMethodInspection
+     * Reflective accessor for Station podcast publication status for the
+     * file with the given ID
+     *
+     * @param int $fileId the ID of the file to check
+     *
+     * @return bool true if the file has been published to the Station podcast,
+     *              otherwise false
+     */
+    private static function getStationPodcastPublishStatus($fileId) {
+        $stationPodcast = StationPodcastQuery::create()
+            ->findOneByDbPodcastId(Application_Model_Preference::getStationPodcastId());
+        return $stationPodcast->hasEpisodeForFile($fileId);
+    }
+
+}