reg(login, password, pdata, role) {
    return User.findOne({where: {login}})
      .then(_user => {
        if (_user) {
          throw new Error("Login is exist");
        }

        this.correctRole(role);

        return User.create(
          Object.assign(
            {
              login,
              role
            },
            pdata,
            {
              password: SHA256(password + this.secretKey).toString()
            }
          )
        );
      })
      .then(() => {
        return this.auth(login, password);
      });
  }