add create problem api

utils/api/_serializers.py

@@ -1,14 +1,7 @@
-import json
-
 from django.utils import timezone
 from rest_framework import serializers
 
 
-class JSONField(serializers.Field):
-    def to_representation(self, value):
-        return json.loads(value)
-
-
 class DateTimeTZField(serializers.DateTimeField):
     def to_representation(self, value):
         self.format = "%Y-%-m-%d %H:%M:%S %Z"

utils/api/api.py

@@ -1,6 +1,7 @@
 import functools
 import json
 import logging
+from collections import OrderedDict
 
 from django.http import HttpResponse, QueryDict
 from django.utils.decorators import method_decorator
@@ -80,12 +81,21 @@ class APIView(View):
     def error(self, msg, err="error"):
         return self.response({"error": err, "data": msg})
 
+    def _serializer_error_to_str(self, errors):
+        for k, v in errors.items():
+            if isinstance(v, list):
+                return k, v[0]
+            elif isinstance(v, OrderedDict):
+                for _k, _v in v.items():
+                    return self._serializer_error_to_str({_k: _v})
+
     def invalid_serializer(self, serializer):
-        for k, v in serializer.errors.items():
-            if k != "non_field_errors":
-                return self.error(err="invalid-" + k, msg=k + ": " + v[0])
-            else:
-                return self.error(err="invalid-field", msg=k[0])
+        print(serializer.errors)
+        k, v = self._serializer_error_to_str(serializer.errors)
+        if k != "non_field_errors":
+            return self.error(err="invalid-" + k, msg=k + ": " + v)
+        else:
+            return self.error(err="invalid-field", msg=v)
 
     def server_error(self):
         return self.error(err="server-error", msg="server error")