feat: all unique constraints tested

src/service/router.py

@@ -9,7 +9,6 @@ Endpoints:
 """
 
 from fastapi import APIRouter, status
-from psycopg.errors import UniqueViolation
 from sqlalchemy.exc import IntegrityError
 
 from src.exceptions import ConflictException
@@ -87,7 +86,10 @@ async def register_service(
 	try:
 		db.flush()
 	except IntegrityError as e:
-		if isinstance(e.orig, UniqueViolation):
+		if (
+			getattr(e.orig, "pgcode", None) == "23505"  # Postgres unique violation
+			or "UNIQUE constraint failed" in str(e.orig)  # SQLite unique violation
+		):
 			raise ConflictException(message="Service with this name already exists")
 	response = ServiceWithKeySchema(**service_model.__dict__)
 	db.commit()