refactors to use more features from rest_framework

this commit adds the use of Response and @api_view to the snippet views

snippets/views.py

@@ -1,46 +1,47 @@
-from django.http import HttpResponse, JsonResponse
-from django.views.decorators.csrf import csrf_exempt
-from rest_framework.parsers import JSONParser
+from rest_framework import status
+from rest_framework.decorators import api_view 
+from rest_framework.response import Response
+
 from snippets.models import Snippet
 from snippets.serializers import SnippetSerializer
 
-@csrf_exempt
+@api_view(["GET", "POST"])
 def snippet_list(request):
 
     if request.method == "GET":
         snippets = Snippet.objects.all()
         serializer = SnippetSerializer(snippets, many=True)
-        return JsonResponse(data=serializer.data, safe=False)
+        return Response(serializer.data)
 
     elif request.method == "POST":
         data = JSONParser().parse(request)
         serializer = SnippetSerializer(data=data)
         if serializer.is_valid():
             serializer.save()
-            return JsonResponse(serializer.data, status=201)
-        return JsonResponse(serializer.errors, status=400)
+            return Response(serializer.data, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
 
-@csrf_exempt
+@api_view(["GET", "PUT", "DELETE"])
 def snippet_detail(request, pk):
 
     try:
         snippet = Snippet.objects.get(pk=pk)
     except Snippet.DoesNotExist:
-        return HttpResponse(status=404)
+        return Response(status=status.HTTP_404_NOT_FOUND)
 
     if request.method == "GET":
         serializer = SnippetSerializer(snippet)
-        return JsonResponse(data=serializer.data)
+        return Response(serializer.data)
 
     elif request.method == "PUT":
         data = JSONParser().parse(request)
         serializer = SnippetSerializer(snippet, data=data)
         if serializer.is_valid():
             serializer.save()
-            return JsonResponse(serializer.data)
-        return JsonResponse(serializer.errors, status=400)
+            return Response(serializer.data)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
     elif request.method == "DELETE":
         snippet.delete()
-        return HttpResponse(status=204) 
+        return Response(status=status.HTTP_204_NO_CONTENT)