refactor: clean up code and remove some dependencies

src/Plugin.php

@@ -3,13 +3,13 @@
 namespace Aerex\TaskwarriorPlugin;
 
 use Sabre\DAV\Exception\BadRequest;
-use Sabre\VObject\Document;
+use Sabre\VObject\Component\VCalendar;
 use Sabre\HTTP\RequestInterface;
 use Sabre\HTTP\ResponseInterface;
 use Sabre\Xml\ParseException;
 use Sabre\DAV\ServerPlugin;
 use Sabre\DAV\Server;
-use Aerex\TaskwarriorPlugin\iCalEventProcessor;
+use Aerex\TaskwarriorPlugin\CalendarProcessor;
 use Aerex\TaskwarriorPlugin\Config;
 
 /**
@@ -49,7 +49,7 @@ class Plugin extends ServerPlugin {
       if(!is_null($TWCalManager)){
         $this->twCalManager = $TWCalManager;
       } else {
-        $this->twCalManager = new iCalEventProcessor();
+        $this->twCalManager = new CalendarProcessor();
       }
     }
 
@@ -100,7 +100,7 @@ class Plugin extends ServerPlugin {
      *
      * @param VCalendar $vCal parsed calendar object
      */
-    function processCalendarEventForTaskwarrior(Document $vCal){
+    function processCalendarEventForTaskwarrior(VCalendar $vCal){
       try {
         $this->twCalManager->importTask($vCal->VTODO);
       } catch(BadRequest $e){