update data

class DocumentView(View):

    def get(self, request, emp_number=None):
        if emp_number:
            emp = get_object_or_404(PcEmployees, emp_number=emp_number)
            emp_form = EmpForm(instance=emp)
            listcekdocs = emp.listcekdoc_set.all()
            doc_forms = [FileUploadForm(prefix=str(
                listcekdoc.emp_number), instance=listcekdoc) for listcekdoc in listcekdocs]
            template = 'emp/edit_document.html'
        else:
            emp_form = EmpForm(instance=PcEmployees())
            doc_forms = [FileUploadForm(prefix=str(x), instance=Listcekdoc()) for x in range(5)]
            template = 'emp/new_document.html'
        context = {'emp_form': emp_form, 'doc_forms': doc_forms}
        return render(request, template, context)


    def post(self, request, emp_number=None):
        context = {}
        if emp_number:
            return self.put(request, emp_number)
        emp = get_object_or_404(PcEmployees, emp_number=emp_number)
        emp_form = EmpForm(request.POST, instance=PcEmployees())
        doc_forms = [FileUploadForm(request.POST, prefix=str(x), instance=Listcekdoc()) for x in range(0, 5)]
        if emp_form.is_valid() and all([cf.is_valid() for cf in doc_forms]):
            new_emp = emp_form.save(commit=False)
            new_emp.save()
            for cf in doc_forms:
                new_status = cf.save(commit=False)
                new_status.emp = new_status
                new_status.save()
                print(new_status.save())
            return redirect('emp:list_emp')
        context = {'emp_form': emp_form, 'doc_forms': doc_forms}
        return render(request, 'emp/new_document.html', context)


    def put(self, request, emp_number=None):
        context = {}
        emp = get_object_or_404(PcEmployees, emp_number=emp_number)
        emp_form = EmpForm(request.POST, instance=PcEmployees())
        doc_forms = [FileUploadForm(request.POST, prefix=str(
            x), instance=Listcekdoc()) for x in range(0, 5)]
        if emp_form.is_valid() and all([cf.is_valid() for cf in doc_forms]):
            new_emp = emp_form.save(commit=False)
            new_emp.save()
            for cf in doc_forms:
                new_status = cf.save(commit=False)
                new_status.emp = new_status
                new_status.save()
            return redirect('emp:list_emp')
        context = {'emp_form': emp_form, 'doc_forms': doc_forms}
        return render(request, 'emp/edit_document.html', context)

    def delete(self, request, emp_number=None):
        emp = get_object_or_404(PcEmployees)
        emp.delete()
        return redirect('emp:list_emp_detail')