def playlist_edit(request, playlist_id):
"""
Very similar to playlist_create, but for a Playlist that already exists.
"""
playlist = Playlist.objects.get(id=playlist_id)
items = playlist.playlistitem_set.all()
if request.method == 'POST':
f = PlaylistForm(request.POST, instance=playlist)
items.delete()
piforms = [PlaylistItemForm(request.POST, prefix=str(x), instance=PlaylistItem()) for x in range(0,int(request.POST['n-forms']))]
if f.is_valid() and all([piform.is_valid() for piform in piforms]):
f.save()
for piform in piforms:
newpi = piform.save(commit=False)
newpi.playlist = playlist
newpi.save()
return redirect('orwell-playlist-index')
else:
f = PlaylistForm(instance=playlist)
piforms = [PlaylistItemForm(prefix=str(x), instance=items[x]) for x in range(0,len(items))]
return render_to_response('orwell/edit-playlist.html', {'form':f, 'itemforms':piforms, 'nforms':len(items), 'mode':'Edit', 'butval':'Save'},context_instance=RequestContext(request))
def playlist_create(request):
"""
If the request is a GET, renders the Playlist editing page for a new
Playlist. If it's a POST, creates a new Playlist with the POST data.
"""
if request.method == 'POST':
f = PlaylistForm(request.POST, instance=Playlist())
piforms = [PlaylistItemForm(request.POST, prefix=str(x), instance=PlaylistItem()) for x in range(0,int(request.POST['n-forms']))]
if f.is_valid() and all([piform.is_valid() for piform in piforms]):
newplaylist = f.save()
for piform in piforms:
newpi = piform.save(commit=False)
newpi.playlist = newplaylist
newpi.save()
return redirect('orwell-playlist-index')
else:
f = PlaylistForm(instance=Playlist())
piforms = [PlaylistItemForm(prefix=str(x), instance=PlaylistItem(position=(x+1))) for x in range(0,2)] # two PlaylistItems to start
return render_to_response('orwell/edit-playlist.html', {'form':f, 'itemforms':piforms, 'nforms':2, 'mode':'Create', 'butval':'Create'},context_instance=RequestContext(request))