def register():
rq = request.json
if not rq or not 'username' in rq or not 'password' in rq or not "display_name" in rq or not "email" in rq:
abort(400)
if db.user.find_one({"username": rq["username"]}) is not None:
abort(409)
try:
user = User()
user.username = rq['username']
user.password = hashlib.md5(rq['password'].encode('utf-8')).hexdigest()
user.display_name = rq['display_name']
user.email = rq['email']
db.user.insert_one(user.__dict__)
except:
abort(400)
return "ok"
