from django.core.files import File
from django.core.serializers.json import DjangoJSONEncoder
from django.http import JsonResponse
from django.views import generic

from tests.testapp import forms


class FileEncoder(DjangoJSONEncoder):
    def default(self, o):
        if isinstance(o, File):
            return o.name
        super().default(o)


class ExampleFormView(generic.FormView):
    form_class = forms.UploadForm
    template_name = "form.html"

    def form_valid(self, form):
        return JsonResponse(
            {
                "POST": self.request.POST,
                "FILES": {
                    "file": self.request.FILES.getlist("file"),
                    "other_file": self.request.FILES.getlist("other_file"),
                },
            },
            status=201,
            encoder=FileEncoder,
        )