views.py 文件源码

def lens(request, lens_id=0):
    if request.method == 'GET':
        try:
            l = Lens.objects.get(id=lens_id)
            serializer = LensDetailSerializer(l)
            return JSONResponse(serializer.data)
        except:
            raise Http404("Lens not found")
    elif request.method == 'POST':
        data = JSONParser().parse(request)
        serializer = LensDetailSerializer(data=data)
        if serializer.is_valid():
            serializer.save()
            return JSONResponse(serializer.data, status=201)

        return JSONResponse(serializer.errors, status=400)
    elif request.method == 'PUT':
        try:
            l = Lens.objects.get(id=lens_id)
            data = JSONParser().parse(request)
            serializer = LensDetailSerializer(l, data=data)

            if serializer.is_valid():
                serializer.save()
                return JSONResponse(serializer.data, status=201)

            return JSONResponse(serializer.errors, status=400)
        except:
            raise Http404("Lens not found")
    elif request.method == 'DELETE':
        try:
            l = Lens.objects.get(id=lens_id)
            l.delete()
            return HttpResponse(status=200)
        except:
            raise Http404("Lens not found")