generics.CreateAPIView : post -> create
generics.ListAPIView : get -> list
generics.RetrieveAPIView : get -> retrieve
generics.DestroyAPIView : delete -> destroy
generics.UpdateAPIView : put -> update, patch -> partial_update
generics.ListCreateAPIView : get -> list, post -> create
generics.RetrieveUpdateAPIView : get -> retrieve, put -> update, patch -> partial_update
generics.RetrieveDestroyAPIView : get -> retrieve, delete -> destroy
generics.RetrieveUpdateDestroyAPIView : get -> retrieve, put -> update, patch -> partial_update, delete -> destroy