def collection_edit(request, collection_id):
collection = Collection.objects.get(id=collection_id)
# permissions check
if not collection.user_can_edit(request.user):
return render_to_response('denied.html', context_instance=RequestContext(request))
# standard form handling
if request.method == 'POST':
form = CollectionForm(request.POST, instance=collection)
if form.is_valid():
form.save()
request.user.message_set.create(message='Collection updated')
return HttpResponseRedirect(reverse('library_collection',
kwargs={'collection_id': collection_id,
'slug': collection.slug()}
))
else:
form = CollectionForm(instance=collection)
return render_to_response("library/collection_edit.html",
{'collection': collection,
'form': form},
context_instance=RequestContext(request))
def collection_create(request, parent_id=None):
parent = None
if parent_id:
parent = Collection.objects.get(id=parent_id)
if not parent.user_can_edit(request.user):
return render_to_response('denied.html', context_instance=RequestContext(request))
if request.method == 'POST':
form = CollectionForm(request.POST)
if form.is_valid():
collection = form.save(commit=False)
collection.owner = request.user
if parent:
collection.parent = parent
order = 0
children = parent.get_children()
for c in children:
if c.ordering > order:
order = c.ordering
order = order + 1
collection.ordering = order
collection.save()
request.user.message_set.create(message='Collection created!')
return HttpResponseRedirect(reverse('library_collection',
kwargs={'collection_id': collection.id,
'slug': collection.slug()}
))
else:
form = CollectionForm()
return render_to_response("library/collection_edit.html",
{'form': form,
'create': True,
'parent': parent},
context_instance=RequestContext(request))