fix stale data sent to rest services when editing submission

The data sent to rest services can be stale if the instance is not yet saved to the database when a submission is edited

onadata/apps/restservice/services/generic_json.py

@@ -24,9 +24,7 @@ class ServiceDefinition(RestServiceInterface):  # pylint: disable=too-few-public
     def send(self, url, data=None):
         """Post submisison JSON data to an external service that accepts a JSON post."""
         if data:
-            # We use Instance.get_full_dict() instead of Instance.json because
-            # when asynchronous processing is enabled, the json may not be upto date
-            post_data = json.dumps(data.get_full_dict())
+            post_data = json.dumps(data.json)
             headers = {"Content-Type": "application/json"}
             try:
                 requests.post(

onadata/apps/restservice/services/textit.py

@@ -33,9 +33,7 @@ def send(self, url, data=None):
         :param data:
         :return:
         """
-        # We use Instance.get_full_dict() instead of Instance.json because
-        # when asynchronous processing is enabled, the json may not be upto date
-        extra_data = self.clean_keys_of_slashes(data.get_full_dict())
+        extra_data = self.clean_keys_of_slashes(data.json)
         data_value = MetaData.textit(data.xform)
 
         if data_value:

onadata/apps/restservice/signals.py

@@ -3,16 +3,9 @@
 RestService signals module
 """
 import django.dispatch
-from django.conf import settings
-from multidb.pinning import use_master
 
 from onadata.apps.restservice.tasks import call_service_async
-from onadata.apps.restservice.utils import call_service
-from onadata.apps.logger.models.instance import Instance
 
-ASYNC_POST_SUBMISSION_PROCESSING_ENABLED = getattr(
-    settings, "ASYNC_POST_SUBMISSION_PROCESSING_ENABLED", False
-)
 
 # pylint: disable=invalid-name
 trigger_webhook = django.dispatch.Signal()
@@ -22,19 +15,11 @@ def call_webhooks(sender, **kwargs):  # pylint: disable=unused-argument
     """
     Call webhooks signal.
     """
-    instance_id = kwargs["instance"].pk
-    if ASYNC_POST_SUBMISSION_PROCESSING_ENABLED:
-        call_service_async.apply_async(args=[instance_id], countdown=1)
-    else:
-        with use_master:
-            try:
-                instance = Instance.objects.get(pk=instance_id)
-            except Instance.DoesNotExist:
-                # if the instance has already been removed we do not send it to the
-                # service
-                pass
-            else:
-                call_service(instance)
+    instance = kwargs["instance"]
+
+    call_service_async.apply_async(
+        args=[instance.pk, instance.get_full_dict()], countdown=1
+    )
 
 
 trigger_webhook.connect(call_webhooks, dispatch_uid="call_webhooks")

onadata/apps/restservice/tasks.py

@@ -8,7 +8,7 @@
 
 
 @app.task()
-def call_service_async(instance_pk):
+def call_service_async(instance_pk, latest_json=None):
     """Async function that calls call_service()."""
     # load the parsed instance
 
@@ -19,4 +19,10 @@ def call_service_async(instance_pk):
         # service
         pass
     else:
+        if latest_json is None:
+            instance.json = instance.get_full_dict()
+
+        else:
+            instance.json = latest_json
+
         call_service(instance)