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from flask import current_app
from .db import MongoDB
class User(object):
def __init__(self, app=None):
self.app = app
def all(self):
db = MongoDB(self.app)
mongo = db.connection()
return list(mongo.db.users.find({}))
def register(self, username):
db = MongoDB(self.app)
mongo = db.connection()
error = None
if not username:
error = 'Username is required.'
elif len(list(mongo.db.users.find({"username": username}))) > 0:
error = 'User {} is already registered.'.format(username)
if error is None:
mongo.db.users.insert({"username": username})
return None
return error
def remove(self, username):
db = MongoDB(self.app)
mongo = db.connection()
error = None
if not username:
error = 'Username is required.'
elif len(list(mongo.db.users.find({"username": username}))) == 0:
error = "User {} not exist. So it's good.".format(username)
if error is None:
mongo.db.users.remove({"username": username})
return None
return error
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