def post_add():
title = request.form['title'].strip()
md_content = request.form['markdown'].strip()
tag_names = request.form.getlist('tags')
post = Post()
post.title = title
post.markdown = md_content
post.html = htmlmin.minify(markdown.markdown(md_content, extensions=['extra', 'codehilite', 'nl2br', 'toc']))
post.author_id = session['author_id']
post.tags = Tag.query_and_create(tag_names)
post.published = post.modified = datetime.utcnow()
db = g.db
db.add(post)
db.commit()
return redirect(url_for('manage'))
