Adding JsonResponseMixin

src/ktools/django/views/generic/mixins.py

@@ -0,0 +1,37 @@
+from django.conf import settings
+from django.http.response import JsonResponse
+from django.views.generic.base import ContextMixin, TemplateView, View
+
+
+class JsonResponseMixin(ContextMixin, View):
+    """
+    A mixin that can be used to render a JSON response. Override
+    `get_json_data()` and you're good to go.
+    """
+    status_code = 200
+
+    def render_to_response(
+            self, context: dict, status_code: int | None = None,
+            **response_kwargs) -> JsonResponse:
+        """
+        Returns a JSON response, transforming 'context' to make the
+        payload.
+        """
+        json_dumps_params = {}
+        if settings.DEBUG:
+            json_dumps_params['indent'] = 2
+        return JsonResponse(
+            data=self.get_json_data(context=context),
+            status=status_code or self.status_code,
+            json_dumps_params=json_dumps_params,
+            **response_kwargs
+        )
+
+    def get_json_data(self, context: dict) -> dict:
+        """
+        Returns an object that will be serialized as JSON by
+        `json.dumps()`.
+        """
+        return {}
+
+    get = TemplateView.get