Fix: Closing stock on update was not working as it was not able to encode/parse creation date and last edit date

brewman/brewman/schemas/closing_stock.py

@@ -40,10 +40,26 @@ class ClosingStock(BaseModel):
     class Config:
         anystr_strip_whitespace = True
         alias_generator = to_camel
-        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y")}
+        json_encoders = {date: lambda v: v.strftime("%d-%b-%Y"), datetime: lambda v: v.strftime("%d-%b-%Y %H:%M")}
 
     @validator("date_", pre=True)
     def parse_date(cls, value):
         if isinstance(value, date):
             return value
         return datetime.strptime(value, "%d-%b-%Y").date()
+
+    @validator("creation_date", pre=True)
+    def parse_creation_date(cls, value):
+        if value is None:
+            return None
+        if isinstance(value, datetime):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y %H:%M")
+
+    @validator("last_edit_date", pre=True)
+    def parse_last_edit_date(cls, value):
+        if value is None:
+            return None
+        if isinstance(value, datetime):
+            return value
+        return datetime.strptime(value, "%d-%b-%Y %H:%M")