Fix issues with HttpUrl (Related: pydantic/pydantic#6395) similar to C…

…lubs-Council-IIITH/clubs@1a59484

models.py

@@ -17,6 +17,7 @@
     Event_Location,
     Event_Mode,
     Event_Status,
+    HttpUrlString,
     PyObjectId,
     event_desc_type,
     event_name_type,
@@ -39,7 +40,7 @@ class Event(BaseModel):
     datetimeperiod: Tuple[datetime, datetime]
     poster: str | None = None
     audience: List[Audience] = []
-    link: HttpUrl | None = None
+    link: HttpUrlString | None = None
 
     mode: Event_Mode = Event_Mode.hybrid
     location: List[Event_Location] = []

mtypes.py

@@ -3,7 +3,14 @@
 import pytz
 import strawberry
 from bson import ObjectId
-from pydantic import Field, StringConstraints, field_validator
+from pydantic import (
+    BeforeValidator,
+    Field,
+    HttpUrl,
+    StringConstraints,
+    TypeAdapter,
+    field_validator,
+)
 from pydantic_core import core_schema
 from typing_extensions import Annotated, Any
 
@@ -287,4 +294,12 @@ def __get_pydantic_json_schema__(cls, field_schema):
         field_schema.update(type="string")
 
 
+http_url_adapter = TypeAdapter(HttpUrl)
+HttpUrlString = Annotated[
+    str,
+    BeforeValidator(
+        lambda value: str(http_url_adapter.validate_python(value))
+    ),
+]
+
 timezone = pytz.timezone("Asia/Kolkata")

mutations/events.py

@@ -4,7 +4,6 @@
 import strawberry
 from fastapi.encoders import jsonable_encoder
 from prettytable import PrettyTable
-from pydantic import HttpUrl, TypeAdapter
 
 from db import eventsdb
 from mailing import triggerMail
@@ -97,9 +96,7 @@ def createEvent(details: InputEventDetails, info: Info) -> EventType:
     if details.audience is not None:
         event_instance.audience = [Audience(aud) for aud in details.audience]
     if details.link is not None:
-        event_instance.link = TypeAdapter(HttpUrl).validate_python(
-            details.link
-        )
+        event_instance.link = details.link
     if details.equipment is not None:
         event_instance.equipment = details.equipment
     if details.additional is not None: