hey U all!
I'm trying to resolve this problem but there is no result..probably is
something stupid but I can't see it.. I have this tables in models.py:
class Link(models.Model):
url = models.URLField(unique=True)
def __str__(self):
return self.url
class bookmark(models.Model):
title = models.CharField(max_length=200)
user = models.ForeignKey(User)
link = models.ForeignKey(Link)
def __str__(self):
return '%s, %s' % (self.user.username, self.link.url)
class Tag(models.Model):
name = models.CharField(max_length=64, unique=True)
bookmarks = models.ManyToManyField(bookmark)
def __str__(self):
return self.name
class SharedBookmark(models.Model):
bookmark = models.ForeignKey(bookmark, null=True, blank=True)
date = models.DateTimeField(auto_now_add=True)
votes = models.IntegerField(default=1)
users_voted = models.ManyToManyField(User)
def __str__(self):
return '%s, %s' % self.bookmark, self.votes
..and this function in views.py that is saving my bookmarks in base..
from trgovine.models import *
from django.contrib.auth.decorators import login_required
@login_required
def bookmark_save_page(request):
if request.method == 'POST':
form = BookmarkSaveForm(request.POST)
if form.is_valid():
# Create or get link.
link, dummy = Link.objects.get_or_create(
url=form.cleaned_data['url']
)
# Create or get bookmark.
Bookmark, created = bookmark.objects.get_or_create(
user=request.user,
link=link
)
# Update bookmark title.
Bookmark.title = form.cleaned_data['title']
# If the bookmark is being updated, clear old tag list.
if not created:
Bookmark.tag_set.clear()
# Create new tag list.
tag_names = form.cleaned_data['tags'].split()
for tag_name in tag_names:
tag, dummy = Tag.objects.get_or_create(name=tag_name)
Bookmark.tag_set.add(tag)
# Share on the main page if requested.
if form.cleaned_data['share']:
shared_bookmark, created =
SharedBookmark.objects.get_or_create(
bookmark=bookmark
)
if created:
shared_bookmark.users_voted.add(request.user)
shared_bookmark.save()
# Save bookmark to database.
Bookmark.save()
return HttpResponseRedirect(
'/user/%s/' % request.user.username
)
else:
form = BookmarkSaveForm()
variables = RequestContext(request, {
'form': form
})
return render_to_response('bookmark_save.html', variables)
..and everything is working fine..I save url, title and tag normaly
and they can be seen on my web page..only option for "sharing on main
page" is not working.. I got error:
ValueError at /save/
Cannot assign "<class 'something.something1.models.bookmark'>":
"SharedBookmark.bookmark" must be a "bookmark" instance.
Does anyone know what is the problem with this code?
thank you very much for answers!
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