fix datetime string in workflow model

app/config.py

@@ -3,7 +3,7 @@
 
 class Settings(BaseSettings):
     pflink_mongodb: MongoDsn = 'mongodb://localhost:27017'
-    version: str = "3.8.2"
+    version: str = "3.8.4"
     mongo_username: str = "admin"
     mongo_password: str = "admin"
     log_level: str = "DEBUG"

app/controllers/subprocesses/utils.py

@@ -1,4 +1,4 @@
-import datetime
+from datetime import datetime
 import hashlib
 import json
 import requests
@@ -42,7 +42,7 @@ def workflow_retrieve_helper(workflow: dict) -> WorkflowDBSchema:
     return WorkflowDBSchema(
         key=workflow["_id"],
         fingerprint=workflow["fingerprint"],
-        creation_time=datetime.datetime.min if not workflow.get("creation_time") else workflow["creation_time"],
+        creation_time=datetime.min.strftime("%Y-%m-%d %H:%M:%S") if not workflow.get("creation_time") else workflow["creation_time"],
         request=request,
         response=workflow["response"],
         service_retry=workflow["service_retry"],

app/models/workflow.py

@@ -1,4 +1,4 @@
-import datetime
+from datetime import datetime
 import pytz
 from pydantic import BaseModel, Field, ValidationError, validator
 from enum import Enum
@@ -158,7 +158,7 @@ class WorkflowDBSchema(BaseModel):
     """The DB model of a workflow object"""
     key: str = ""
     fingerprint: str = ""
-    creation_time: datetime.datetime = datetime.datetime.now(datetime.timezone.utc)
+    creation_time: str = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     request: WorkflowRequestSchema
     response: WorkflowStatusResponseSchema
     service_retry: int = 5