def get_handler():
"""Return information about item ``item_id_``."""
form_data = request.session.pop('form_data', None)
if form_data is None:
form = forms.ItemNoteForm()
else:
form = forms.ItemNoteForm(json.loads(form_data))
return render(
request,
'elts/item-id.html',
{'item': item_, 'form': form}
)
def get_handler():
"""Return a form for updating item note ``item_note_id_``."""
form_data = request.session.pop('form_data', None)
if form_data is None:
form = forms.ItemNoteForm(instance = item_note_)
else:
form = forms.ItemNoteForm(json.loads(form_data))
return render(
request,
'elts/item-note-id-update-form.html',
{'item_note': item_note_, 'form': form}
)
def post_handler():
"""Create a new item note.
Redirect user to ``item_id`` view after handling request.
"""
# For which item is this note being created?
try:
item_ = models.Item.objects.get(
id = request.POST.get('item_id', None)
)
except models.Item.DoesNotExist:
return http.HttpResponse(status = 422)
# Get note text and, if valid, save the note.
form = forms.ItemNoteForm(request.POST)
if form.is_valid():
models.ItemNote(
note_text = form.cleaned_data['note_text'],
author_id = request.user,
item_id = item_,
).save()
else:
request.session['form_data'] = json.dumps(form.data)
# Return the user to this page whether or not the note was saved.
return http.HttpResponseRedirect(
reverse('elts.views.item_id', args = [item_.id])
)
def put_handler():
"""Update item note ``item_note_id_``.
If update succeeds, redirect user to ``item_id`` view. Otherwise,
redirect user to ``item_note_id_update_form`` view.
"""
form = forms.ItemNoteForm(request.POST, instance = item_note_)
if form.is_valid():
form.save()
return http.HttpResponseRedirect(
reverse('elts.views.item_id', args = [item_id_])
)
else:
request.session['form_data'] = json.dumps(form.data)
return http.HttpResponseRedirect(
reverse(
'elts.views.item_note_id_update_form',
args = [item_note_id_]
)
)
def test_invalid_note_text(self):
"""Create an ItemNoteForm and set an invalid note_text.``"""
form = forms.ItemNoteForm({
'note_text': factories.invalid_note_note_text()
})
self.assertFalse(form.is_valid())
def test_missing_note_text(self):
"""Create an ItemNoteForm without setting ``note_text``."""
form = forms.ItemNoteForm({})
self.assertFalse(form.is_valid())
def test_valid(self):
"""Create a valid ItemNoteForm."""
form = forms.ItemNoteForm({'note_text': factories.note_note_text()})
self.assertTrue(form.is_valid())