def process_image_form(request, image_id=None):
if request.method == 'POST':
if not image_id:
# form bound to the POST data
form = ImageForm(request.POST, request.FILES, prefix='image')
else:
image = get_object_or_404(Image, id=image_id)
form = ImageForm(request.POST, request.FILES, prefix='image', instance=image)
if form.is_valid(): # All validation rules pass
image = form.save(commit=False)
if image:
form.cleaned_data['image'] = image
# Get the key
if not image_id:
key = get_first_available_label(Image, slugify(form.cleaned_data['title']), 'key')
image.key = key
if not image_id:
if not request.user.is_authenticated():
raise ValidationError, 'User must be logged in'
else:
image.uploaded_by = request.user
image.save()
form.redirect_url = image.get_absolute_url()
else: #unbound forms
if not image_id:
form = ImageForm(initial=get_initial_image_data(request), prefix='image')
else:
image = get_object_or_404(Image, id=image_id)
form = ImageForm(prefix='image', instance=image)
return form
def get_username(self):
"""
Construct the username out of the firstname and the lastname,
"""
from utils import get_first_available_label
first = unidecode(self.cleaned_data['first_name'])
last = unidecode(self.cleaned_data['last_name'])
username = slugify('%s %s' % (first, last)).lower() #[:30].rstrip('-').lower()
return get_first_available_label(model=User, start_name=username, field='username', iexact=True)
def edit_post(request, post_id=None):
post = None
image_id = None
hasimage = False
# If post_id specified we are editing an existing post.
if post_id:
post = get_object_or_404(Post, id=post_id)
if not post.can_user_modify(request.user):
raise PermissionDenied
if post.image:
image_id = post.image.id
# If the form has been submitted...
if request.method == 'POST':
# Get a postform
if post:
postform = PostForm(request.user, request.POST, request.FILES, prefix='post', instance=post)
else:
postform = PostForm(request.user, request.POST, request.FILES, prefix='post')
# Get any attached image
if (post and post.image) or request.FILES.has_key('image-image'):
imageform = process_image_form(request, image_id=image_id)
else:
imageform = None
# All validation rules pass
# Via the post form, this also ensures the listing specified is allowed
# and prevents users from posting to lists they don't have permission for
if postform.is_valid():
post = postform.save(commit=False)
if imageform and imageform.is_valid():
post.image = imageform.cleaned_data['image']
else:
post.image = None
if not post_id:
name = slugify(post.title)[:50]
post.name = get_first_available_label(Post, name, 'name')
if not post.author:
post.author = request.user
post.save()
return HttpResponseRedirect(post.get_absolute_url())
else:
if not post_id:
# unbound forms
postform = PostForm(request.user, prefix='post')
imageform = ImageForm(initial=get_initial_image_data(request), prefix='image')
else:
postform = PostForm(request.user, instance=post, prefix='post')
if not post.image:
# unbound form
imageform = ImageForm(initial=get_initial_image_data(request), prefix='image')
else:
imageform = ImageForm(instance=post.image, initial=get_initial_image_data(request), prefix='image')
hasimage = True
if post_id:
action = reverse('edit-post', args=(), kwargs={'post_id': post.id})
else:
action = reverse('new-post')
return render_to_response('cms/edit_post.html', {
'postform': postform,
'imageform': imageform,
'required': REQUIRED_FIELDS,
'action': action,
'hasimage': hasimage},
context_instance=RequestContext(request))
