text: const Promise = require('bluebird');
  
  module.exports = class {
  	constructor(userService) {
  		this._userService = userService;
  
  		this.handler = Promise.coroutine(this.handler.bind(this));
  	}
  
  	*handler(req, res) {
  			const user = req.body.user;
  			const followedUsers = yield this._userService.get({ fbId: { $in: user.userFollowed } });
  			res.json(followedUsers);
  	}
  }
  