def get_handler():
"""Return a form for creating an item."""
form_data = request.session.pop('form_data', None)
if form_data is None:
form = forms.ItemForm()
else:
form = forms.ItemForm(json.loads(form_data))
return render(request, 'elts/item-create-form.html', {'form': form})
def get_handler():
"""Return a form for updating item ``item_id_``."""
form_data = request.session.pop('form_data', None)
if form_data is None:
form = forms.ItemForm(instance = item_)
else:
form = forms.ItemForm(json.loads(form_data))
return render(
request,
'elts/item-id-update-form.html',
{'item': item_, 'form': form}
)
def test_has_tags(self):
"""Create an ItemForm and set ``tags``."""
form = forms.ItemForm({
'name': factories.item_name(),
'tags': [tag.id for tag in factories.item_tags()],
})
self.assertTrue(form.is_valid())
def test_has_is_lendable(self):
"""Create an ItemForm and set ``is_lendable``."""
form = forms.ItemForm({
'name': factories.item_name(),
'is_lendable': factories.item_is_lendable(),
})
self.assertTrue(form.is_valid())
def test_has_description(self):
"""Create an ItemForm and set ``description``."""
form = forms.ItemForm({
'name': factories.item_name(),
'description': factories.item_description(),
})
self.assertTrue(form.is_valid())
def put_handler():
"""Update item ``item_id_``.
If update succeeds, redirect user to ``item_id`` view. Otherwise,
redirect user to ``item_id_update_form``.
"""
form = forms.ItemForm(request.POST, instance = item_)
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_id_update_form', args = [item_id_])
)
def post_handler():
"""Create a new item.
If creation succeeds, redirect user to ``item_id`` view. Otherwise,
redirect user to ``item_create_form`` view.
"""
form = forms.ItemForm(request.POST)
if form.is_valid():
new_item = form.save()
return http.HttpResponseRedirect(
reverse('elts.views.item_id', args = [new_item.id])
)
else:
# Put ``form`` into session for retreival by ``item_create_form``.
request.session['form_data'] = json.dumps(form.data)
return http.HttpResponseRedirect(
reverse('elts.views.item_create_form')
)
def test_missing_name(self):
"""Create an ItemForm without setting ``name``."""
form = forms.ItemForm({})
self.assertFalse(form.is_valid())
def test_valid(self):
"""Create a valid ItemForm."""
form = forms.ItemForm({'name': factories.item_name()})
self.assertTrue(form.is_valid())