from django.conf import settings

from django.contrib.auth.decorators import login_required

from django.contrib import messages

from django.core.exceptions import ObjectDoesNotExist

from django.core.exceptions import ValidationError

    return render(request, "registrasion/invoice.html", data)

def manual_payment(request, invoice_id):

    ''' Allows staff to make manual payments or refunds on an invoice.

                                    # object.

                }

    '''

    FORM_PREFIX = "manual_payment"

    current_invoice = InvoiceController.for_id_or_404(invoice_id)

    form = forms.ManualPaymentForm(

    )

    if request.POST and form.is_valid():

        form.instance.entered_by = request.user

        form.save()

        current_invoice.update_status()

        form = forms.ManualPaymentForm(prefix=FORM_PREFIX)

    data = {

        "form": form,

    }

    return render(request, "registrasion/manual_payment.html", data)

def refund(request, invoice_id):

    ''' Marks an invoice as refunded and requests a credit note for the

    full amount paid against the invoice.

        redirect:

            Redirects to ``invoice``.

    '''

    current_invoice = InvoiceController.for_id_or_404(invoice_id)

    try:

    return redirect("invoice", invoice_id)

def credit_note(request, note_id, access_code=None):

    ''' Displays a credit note.

                                         # refund of the credit note.

                }

    '''

    current_note = CreditNoteController.for_id_or_404(note_id)

    apply_form = forms.ApplyCreditNoteForm(

        request.POST or None,

        prefix="apply_note"

    )

    elif request.POST and refund_form.is_valid():

        refund_form.instance.entered_by = request.user

        refund_form.save()

        messages.success(

            request,