Laravel role implementation

2018_01_15_183645_create_role_table.php

<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateRoleTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('role', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->timestamps();
        });
        Schema::table('users', function (Blueprint $table) {
            $table->integer('role_id')->unsigned()->nullable();
            $table->foreign('role_id')
                ->references('id')->on('role')
                ->onDelete('set null');
        });
        DB::table('role')->insert([
            ['name' => 'admin'],
        ]);
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('roles');
    }
}

CheckRole.php

<?php

namespace App\Http\Middleware;

use Illuminate\Support\Facades\Auth;
use Closure;

class CheckRole
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next, $role)
    {
        if (!Auth::check() || $request->user()->role !== 'admin') {
            return redirect('/admin/login');
        }
        return $next($request);
    }
}

Role.php

<?php

namespace App\Http\Models\User;


use Illuminate\Database\Eloquent\Model;

class Role extends Model
{
    protected $table = 'role';
    protected $guarded = [];

    public  function users()
    {
        return $this->hasMany('App\Http\Models\User\User','role_id','id');
    }
}

User.php

<?php

namespace App\Http\Models\User;

use Illuminate\Notifications\Notifiable;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Database\Eloquent\Model;

class User extends Authenticatable
{
    use Notifiable;

    protected $table = 'users';
  
    public function roleModel()
    {
        return $this->belongsTo('App\Http\Models\User\Role','role_id');
    }

    public function getRoleAttribute()
    {
        return $this->roleModel->name;
    }
}

web.php

<?php


Route::group(['prefix' => 'admin', 'middleware' => 'check_role:admin',], function () {
  Route::get('/miss', 'MissController@welcome');

});