registerUser: function (data) {
        let user = {};
        return hashPassword(data.registration.password)
            .then(hashedPassword => {
                const reqUser = {
                    email: data.registration.email,
                    password: hashedPassword,
                    firstName: data.registration.firstName,
                    lastName: data.registration.lastName
                };
                return Promise.props({
                    createdUser: createUser(reqUser),
                    createPrivileges: createPrivilegeService.getCreatePrivilegesByEntityType('user')
                });
            })
            .then(result => {
                user = result.createdUser;
                console.log('debug');
                return privilegeService.add({
                    entityId: result.createdUser.id,
                    privileges: result.createPrivileges
                });
            })
            .then(result => {
                return grantService.add({
                    userId: user.id,
                    privileges: result
                })
            })
            .then(() => {
                return new Promise(resolve => {
                    resolve(user);
                })
            });
    }