use query functions in event user assiment

openpype/modules/ftrack/event_handlers_server/event_user_assigment.py

@@ -1,11 +1,9 @@
 import re
 import subprocess
 
+from openpype.client import get_asset_by_id, get_asset_by_name
 from openpype_modules.ftrack.lib import BaseEvent
 from openpype_modules.ftrack.lib.avalon_sync import CUST_ATTR_ID_KEY
-from openpype.pipeline import AvalonMongoDB
-
-from bson.objectid import ObjectId
 
 from openpype.api import Anatomy, get_project_settings
 
@@ -36,8 +34,6 @@ class UserAssigmentEvent(BaseEvent):
         3) path to publish files of task user was (de)assigned to
     """
 
-    db_con = AvalonMongoDB()
-
     def error(self, *err):
         for e in err:
             self.log.error(e)
@@ -101,26 +97,16 @@ class UserAssigmentEvent(BaseEvent):
         :rtype: dict
         """
         parent = task['parent']
-        self.db_con.install()
-        self.db_con.Session['AVALON_PROJECT'] = task['project']['full_name']
-
+        project_name = task["project"]["full_name"]
         avalon_entity = None
         parent_id = parent['custom_attributes'].get(CUST_ATTR_ID_KEY)
         if parent_id:
-            parent_id = ObjectId(parent_id)
-            avalon_entity = self.db_con.find_one({
-                '_id': parent_id,
-                'type': 'asset'
-            })
+            avalon_entity = get_asset_by_id(project_name, parent_id)
 
         if not avalon_entity:
-            avalon_entity = self.db_con.find_one({
-                'type': 'asset',
-                'name': parent['name']
-            })
+            avalon_entity = get_asset_by_name(project_name, parent["name"])
 
         if not avalon_entity:
-            self.db_con.uninstall()
             msg = 'Entity "{}" not found in avalon database'.format(
                 parent['name']
             )
@@ -129,7 +115,6 @@ class UserAssigmentEvent(BaseEvent):
                 'success': False,
                 'message': msg
             }
-        self.db_con.uninstall()
         return avalon_entity
 
     def _get_hierarchy(self, asset):