Add swagger_auto_schema method decorator for Operation customization

See #5.

testproj/users/views.py

@@ -1,9 +1,12 @@
 from django.contrib.auth.models import User
+from rest_framework import status
 from rest_framework.decorators import api_view
 from rest_framework.generics import get_object_or_404
 from rest_framework.response import Response
 from rest_framework.views import APIView
 
+from drf_swagger import openapi
+from drf_swagger.utils import swagger_auto_schema
 from users.serializers import UserSerializer
 
 
@@ -15,8 +18,19 @@ class UserList(APIView):
         serializer = UserSerializer(queryset, many=True)
         return Response(serializer.data)
 
+    @swagger_auto_schema(request_body=UserSerializer, operation_description="apiview post description override")
+    def post(self, request):
+        serializer = UserSerializer(request.data)
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+        return Response(serializer.data, status=status.HTTP_201_CREATED)
 
-@api_view(['GET'])
+
+@swagger_auto_schema(method='put', request_body=UserSerializer)
+@swagger_auto_schema(method='get', manual_parameters=[
+    openapi.Parameter('test', openapi.IN_QUERY, "test manual param", type=openapi.TYPE_BOOLEAN)
+])
+@api_view(['GET', 'PUT'])
 def user_detail(request, pk):
     """user_detail fbv docstring"""
     user = get_object_or_404(User.objects, pk=pk)