def preprocess(post, edit):
if request.method == 'GET':
session['token'] = create_token()
return render_template('posts/edit.html', post=post, edit=edit), None
req_tags = request.form['tags']
req_tags = map(prepare_tag_name, req_tags.split())
tags = get_tags(req_tags)
req_tags = ' '.join(req_tags)
if request.form['action'] == 'preview':
p = Post(request.form['title'], request.form['content'], g.user)
p.id = post.id if post else -1
return render_template('posts/edit.html', post=p, preview=True,
edit=edit, tags=req_tags), None
if tags is None:
return render_template('posts/edit.html', post=post, edit=edit,
tags=req_tags), None
if not validate_token():
flash('Tokens did not match. Try again.', 'error')
if edit:
return redirect(url_for('posts.edit', id=post.id)), None
else:
return redirect(url_for('posts.create')), None
return None, tags
