fix enum json serialization, deserialization missing

src/cadenzaanalytics/cadenza_analytics_extension_service.py

@@ -41,4 +41,4 @@ def _list_extensions(self):
                                               'extensionPrintName': extension.print_name,
                                               'extensionType': extension.extension_type})
 
-        return Response(response=json.dumps(result_dict), status=200, mimetype="application/json")
+        return Response(response=json.dumps(result_dict, default=str), status=200, mimetype="application/json")

src/cadenzaanalytics/data/attribute_role.py

@@ -4,3 +4,6 @@
 class AttributeRole(Enum):
     DIMENSION = "dimension"
     MEASURE = "measure"
+
+    def __str__(self):
+        return self.value

src/cadenzaanalytics/data/data_object.py

@@ -28,7 +28,7 @@ def _to_dict(self) -> dict:
         return result
 
     def to_json(self, indent=None) -> str:
-        return json.dumps(self._to_dict(), indent=indent)
+        return json.dumps(self._to_dict(), indent=indent, default=str)
 
     @classmethod
     def _from_dict(cls, data: dict):

src/cadenzaanalytics/data/data_type.py

@@ -8,3 +8,6 @@ class DataType(Enum):
     FLOAT64 = "float64"
     ZONEDDATETIME = "zonedDateTime"
     GEOMETRY = "geometry"
+
+    def __str__(self):
+        return self.value

src/cadenzaanalytics/data/extension_type.py

@@ -5,3 +5,6 @@ class ExtensionType(Enum):
     VISUALIZATION = "visualization"
     ENRICHMENT = "enrichment"
     CALCULATION = "calculation"
+
+    def __str__(self):
+        return self.value

src/cadenzaanalytics/data/geometry_type.py

@@ -8,3 +8,6 @@ class GeometryType(Enum):
     MULTIPOINT = "multipoint"
     MULTILINESTRING = "multilinestring"
     MULTIPOLYGON = "multipolygon"
+
+    def __str__(self):
+        return self.value

src/cadenzaanalytics/data/measure_aggregation.py

@@ -8,3 +8,6 @@ class MeasureAggregation(Enum):
     AVERAGE = "average"
     MIN = "min"
     MAX = "max"
+
+    def __str__(self):
+        return self.value

src/cadenzaanalytics/data/parameter_type.py

@@ -9,3 +9,6 @@ class ParameterType(Enum):
     GEOMETRY = "geometry"
     SELECT = "select"
     BOOLEAN = "boolean"
+
+    def __str__(self):
+        return self.value

src/cadenzaanalytics/response/error_response.py

@@ -18,7 +18,7 @@ def _get_response_json(self, message: str):
             "message": message
         }
 
-        return json.dumps(error_message)
+        return json.dumps(error_message, default=str)
 
     def _create_response(self, message: str):
         return Response(response=self._get_response_json(message), status=self._status, mimetype="application/json")

src/cadenzaanalytics/response/extension_data_response.py

@@ -23,7 +23,7 @@ def _get_response_metadata(self, column_metadata):
             ]
         }
 
-        return json.dumps(metadata)
+        return json.dumps(metadata, default=str)
 
     def _create_response(self, data, column_metadata=None):
         multipart_response = MultipartEncoder(