def get_post(post_id):
"""Given a post id, return a dictionary with the body and avatar url."""
post = redis.get('post:%s' % (post_id,))
if post:
user, post = post.split('|', 1)
post = unicode(post, errors='ignore')
return dict(body=post, user=get_gravatar(user, size=16))
def index():
if 'email' not in session:
return redirect(url_for('.login'))
email = session['email']
gravatar = get_gravatar(email, size=32)
post_ids = redis.lrange('global:timeline', 0, 10)
posts = [get_post(post_id) for post_id in post_ids]
posts = filter(lambda x: x not in ['', None], posts)
return render_template('index.html', avatar=gravatar, email=email,
posts=posts)
def set_post(post):
"""Store a post and push it onto the global timeline."""
if 'email' not in session:
return redirect(url_for('.login'))
post_id = redis.incr('last-post-id')
post = post[:140] # silently truncate!
redis.set('post:%d' % (post_id,), '%s|%s' % (session['email'], post))
redis.lpush('global:timeline', post_id)
redis.ltrim('global:timeline', 0, 10)
publisher.publish(post, get_gravatar(session['email'], size=16))
