Add Event share backend

apps/calendar/appinfo/app.php

@@ -11,6 +11,7 @@ OC::$CLASSPATH['OC_Search_Provider_Calendar'] = 'apps/calendar/lib/search.php';
 OC::$CLASSPATH['OC_Calendar_Export'] = 'apps/calendar/lib/export.php';
 OC::$CLASSPATH['OC_Calendar_Import'] = 'apps/calendar/lib/import.php';
 OC::$CLASSPATH['OC_Share_Backend_Calendar'] = 'apps/calendar/lib/share/calendar.php';
+OC::$CLASSPATH['OC_Share_Backend_Event'] = 'apps/calendar/lib/share/event.php';
 //General Hooks
 OCP\Util::connectHook('OC_User', 'post_createUser', 'OC_Calendar_Hooks', 'createUser');
 OCP\Util::connectHook('OC_User', 'post_deleteUser', 'OC_Calendar_Hooks', 'deleteUser');
@@ -37,3 +38,4 @@ OCP\App::addNavigationEntry( array(
 OCP\App::registerPersonal('calendar', 'settings');
 OC_Search::registerProvider('OC_Search_Provider_Calendar');
 OCP\Share::registerBackend('calendar', 'OC_Share_Backend_Calendar');
+OCP\Share::registerBackend('event', 'OC_Share_Backend_Event');

apps/calendar/lib/share/event.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+class OC_Share_Backend_Event implements OCP\Share_Backend {
+
+	const FORMAT_EVENT = 0;
+
+	private static $event;
+
+	public function isValidSource($itemSource, $uidOwner) {
+		self::$event = OC_Calendar_Object::find($itemSource);
+		if (self::$event) {
+			return true;
+		}
+		return false;
+	}
+	
+	public function generateTarget($itemSource, $shareWith, $exclude = null) {
+		// TODO Get default calendar and check for conflicts
+		return self::$event['summary'];
+	}
+	
+	public function formatItems($items, $format, $parameters = null) {
+		$events = array();
+		if ($format == self::FORMAT_EVENT) {
+			foreach ($items as $item) {
+				$event = OC_Calendar_Object::find($item['item_source']);
+				$event['summary'] = $item['item_target'];
+				$events[] = $event;
+			}
+		}
+		return $events;
+	}
+
+}