def index(request):
tag = request.args.get('tags')
query = Book.all()
if tag :
tag_id = ""
tag_model = Tag.all().filter("title =", tag).get()
if tag_model :
tag_id = str(tag_model.key())
query.filter("tags =", tag_id)
query.order('-created')
books = query.fetch(ITEMS_PER_PAGE)
tags = Tag.all()
return render_to_response('catalog/index.html', {'books': books,
'tags': tags})
def detail(request, key):
book = Book.get(key)
tag_key_list = book.tags #tags is always not None
tag_title_list = []
for tag_key in tag_key_list :
try :
tag_title = Tag.get(tag_key)
if tag_title :
tag_title_list.append(tag_title)
except :
pass
return render_to_response('catalog/detail.html', {'book': book,
'tag_title_list': tag_title_list})
def tag_relation(request, book_key):
form = BookForm()
book = Book.get(book_key)
if request.method == "POST" :
book.tags = []
tag_keys = request.form.getlist('tag_keys')
for tag_key in tag_keys :
book.tags.append(tag_key)
book.save()
book.put()
tags = Tag.all()
return render_to_response('register/tag_relation.html', {'errors': form.errors,
'book': book,
'tags': tags})
