Callback action fixes (#1408)

* changed conversation fetching for chat history and chat client to use flattened data properly

* added live_agent_enabled flag to chat client config

* changed parameter raise error True for __check_for_form_and_action_existance in MongoProcessor

* callback action

* Added callback action and its related components and basic test cases related to the same.

* rearrangement and added more tests

* removed timestamp from CallbackData causing json dump inside trigger_lambda fail

* typo fix flatten -> flattened

---------

Co-authored-by: spandan.mondal <[email protected]>

kairon/async_callback/channel_message_dispacher.py

@@ -49,7 +49,7 @@ async def handle_instagram(bot: str, config, sender: str, message: Any):
     async def handle_default(bot: str, config, sender: str, message: Any, channel: str = 'default'):
         chat_database_collection = MessageBroadcastProcessor.get_db_client(bot)
         chat_database_collection.insert_one({
-            "type": "flatten",
+            "type": "flattened",
             "tag": 'callback_message',
             "conversation_id": uuid7().hex,
             "timestamp": time.time(),
@@ -86,7 +86,7 @@ async def dispatch_message(bot: str, sender: str, message: str, channel: str):
 
             chat_database_collection = MessageBroadcastProcessor.get_db_client(bot)
             chat_database_collection.insert_one({
-                "type": "flatten",
+                "type": "flattened",
                 "tag": 'callback_message',
                 "conversation_id": uuid7().hex,
                 "timestamp": time.time(),

kairon/shared/callback/data_objects.py

@@ -8,6 +8,7 @@
 
 from kairon import Utility
 from kairon.exceptions import AppException
+from kairon.shared.actions.data_objects import CallbackActionConfig
 from kairon.shared.data.audit.data_objects import Auditlog
 from kairon.shared.data.signals import push_notification
 from fernet import Fernet
@@ -115,6 +116,9 @@ def edit(bot: str, name: str, **kwargs):
     @staticmethod
     def delete_entry(bot: str, name: str):
         check_nonempty_string(name)
+        callback_action_count = CallbackActionConfig.objects(bot=bot, callback_name=name).count()
+        if callback_action_count > 0:
+            raise AppException(f"Cannot delete Callback Configuration '{name}' as it is attached to some callback action!")
         config = CallbackConfig.objects(bot=bot, name__iexact=name).first()
         if not config:
             raise AppException(f"Callback Configuration with name '{name}' does not exist!")

kairon/shared/data/processor.py

@@ -8004,8 +8004,6 @@ def edit_callback_action(self, request_data: dict, bot: Text, user: Text):
 
         update_query = {}
         for key, value in request_data.items():
-            if not value and key != 'dispatch_bot_response':
-                continue
             if key == 'metadata_list':
                 value = [HttpActionRequestBody(**param)for param in value] or []