Adding apns-push-type header

apns2/client.py

@@ -96,7 +96,10 @@ class APNsClient(object):
         json_str = json.dumps(notification.dict(), cls=self.__json_encoder, ensure_ascii=False, separators=(',', ':'))
         json_payload = json_str.encode('utf-8')
 
-        headers = {}
+        headers = {
+            'apns-push-type': notification.push_type
+        }
+
         if topic is not None:
             headers['apns-topic'] = topic
 

apns2/payload.py

@@ -77,6 +77,10 @@ class Payload(object):
         self.mutable_content = mutable_content
         self.thread_id = thread_id
 
+        self.push_type = 'background'
+        if self.alert or self.badge is not None or self.sound is not None:
+            self.push_type = 'alert'
+
     def dict(self) -> Dict[str, Any]:
         result = {
             'aps': {}