def renew_loan_librarian(request, pk):
"""View function for renewing a specific Loan by librarian."""
loan = get_object_or_404(Loan, pk=pk)
# If this is a POST request then process the Form data
if request.method == 'POST':
# Create a form instance and populate it with data from the request (binding):
form = RenewLoanForm(request.POST)
# Check if the form is valid:
if form.is_valid():
# process the data in form.cleaned_data as required (here we just write it to the model due_back field)
loan.return_due = form.cleaned_data['renewal_date']
loan.save()
# redirect to a new URL:
return HttpResponseRedirect(reverse('all_loans') )
# If this is a GET (or any other method) create the default form.
else:
proposed_renewal_date = datetime.date.today() + datetime.timedelta(weeks=3)
form = RenewLoanForm(initial={'renewal_date': proposed_renewal_date})
context = {
'form': form,
'loan': loan,
}
return render(request, 'library/loan_renew_librarian.html', context)
def test_renew_form_date_max(self):
date = timezone.now() + datetime.timedelta(weeks=4)
form = RenewLoanForm(data={'renewal_date': date})
self.assertTrue(form.is_valid())
def test_renew_form_date_today(self):
date = datetime.date.today()
form = RenewLoanForm(data={'renewal_date': date})
self.assertTrue(form.is_valid())
def test_renew_form_date_too_far_in_future(self):
date = datetime.date.today() + datetime.timedelta(weeks=4) + datetime.timedelta(days=1)
form = RenewLoanForm(data={'renewal_date': date})
self.assertFalse(form.is_valid())
def test_renew_form_date_in_past(self):
date = datetime.date.today() - datetime.timedelta(days=1)
form = RenewLoanForm(data={'renewal_date': date})
self.assertFalse(form.is_valid())
def test_renew_form_date_field_help_text(self):
form = RenewLoanForm()
self.assertEqual(form.fields['renewal_date'].help_text, 'Enter a date between now and 4 weeks (default 3).')
def test_renew_form_date_field_label(self):
form = RenewLoanForm()
self.assertTrue(form.fields['renewal_date'].label == None or form.fields['renewal_date'].label == 'renewal date')