Integrate standardized error messages

config/settings.py

@@ -86,6 +86,7 @@
     "constance",
     "constance.backends.database",
     "anymail",
+    "drf_standardized_errors",
 ]
 LOCAL_APPS = [
     "apps.api_auth.apps.ApiAuthConfig",
@@ -281,8 +282,9 @@
         "rest_framework_simplejwt.authentication.JWTAuthentication",
         "dj_rest_auth.jwt_auth.JWTCookieAuthentication",
     ],
-    "DEFAULT_SCHEMA_CLASS": "drf_spectacular.openapi.AutoSchema",
+    "DEFAULT_SCHEMA_CLASS": "drf_standardized_errors.openapi.AutoSchema",
     "DEFAULT_FILTER_BACKENDS": ["django_filters.rest_framework.DjangoFilterBackend"],
+    "EXCEPTION_HANDLER": "drf_standardized_errors.handler.exception_handler",
 }
 # django-cors-headers - https://github.com/adamchainz/django-cors-headers#setup
 # Enable CORS to all API endpoints.
@@ -313,6 +315,20 @@
     "SERVE_PERMISSIONS": ["rest_framework.permissions.IsAdminUser"],
     "SERVE_AUTHENTICATION": ["rest_framework.authentication.SessionAuthentication"],
     "AUTHENTICATION_WHITELIST": ["rest_framework_simplejwt.authentication.JWTAuthentication"],
+    "POSTPROCESSING_HOOKS": ["drf_standardized_errors.openapi_hooks.postprocess_schema_enums"],
+    "ENUM_NAME_OVERRIDES": {
+        "ValidationErrorEnum": "drf_standardized_errors.openapi_serializers.ValidationErrorEnum.values",
+        "ClientErrorEnum": "drf_standardized_errors.openapi_serializers.ClientErrorEnum.values",
+        "ServerErrorEnum": "drf_standardized_errors.openapi_serializers.ServerErrorEnum.values",
+        "ErrorCode401Enum": "drf_standardized_errors.openapi_serializers.ErrorCode401Enum.values",
+        "ErrorCode403Enum": "drf_standardized_errors.openapi_serializers.ErrorCode403Enum.values",
+        "ErrorCode404Enum": "drf_standardized_errors.openapi_serializers.ErrorCode404Enum.values",
+        "ErrorCode405Enum": "drf_standardized_errors.openapi_serializers.ErrorCode405Enum.values",
+        "ErrorCode406Enum": "drf_standardized_errors.openapi_serializers.ErrorCode406Enum.values",
+        "ErrorCode415Enum": "drf_standardized_errors.openapi_serializers.ErrorCode415Enum.values",
+        "ErrorCode429Enum": "drf_standardized_errors.openapi_serializers.ErrorCode429Enum.values",
+        "ErrorCode500Enum": "drf_standardized_errors.openapi_serializers.ErrorCode500Enum.values",
+    },
 }
 
 # ---------------------------------------------------------- Django Constance ------------------------------------------

requirements.txt

@@ -8,6 +8,7 @@ django-filter==23.2
 Pillow==10.0.1
 django-anymail==10.1
 drf-spectacular==0.26.4
+drf-standardized-errors[openapi]==0.12.5
 
 # ---------------------------------------------------------- Admin Panel -----------------------------------------------
 django-admin-interface==0.26.1