BTHLABS-50: Safari Web extension

Co-authored-by: Tomek Wójcik <labs@tomekwojcik.pl>
Co-committed-by: Tomek Wójcik <labs@tomekwojcik.pl>

services/backend/hotpocket_backend/apps/core/rpc.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+
+import typing
+
+from bthlabs_jsonrpc_django import (
+    DjangoExecutor,
+    DjangoJSONRPCSerializer,
+    JSONRPCView as BaseJSONRPCView,
+)
+from django.core.exceptions import ValidationError
+import uuid6
+
+
+class JSONRPCSerializer(DjangoJSONRPCSerializer):
+    STRING_COERCIBLE_TYPES: typing.Any = (
+        *DjangoJSONRPCSerializer.STRING_COERCIBLE_TYPES,
+        uuid6.UUID,
+    )
+
+    def serialize_value(self, value: typing.Any) -> typing.Any:
+        if isinstance(value, ValidationError):
+            result: typing.Any = None
+
+            if hasattr(value, 'error_dict') is True:
+                result = {}
+                for field, errors in value.error_dict.items():
+                    result[field] = [
+                        error.code
+                        for error
+                        in errors
+                    ]
+            elif hasattr(value, 'error_list') is True:
+                result = [
+                    error.code
+                    for error in value.error_list
+                ]
+            else:
+                result = value.code
+
+            return self.serialize_value(result)
+
+        return super().serialize_value(value)
+
+
+class Executor(DjangoExecutor):
+    serializer = JSONRPCSerializer
+
+
+class JSONRPCView(BaseJSONRPCView):
+    executor = Executor