laravel hasPermission

userHasPermission.php

// credit to wheredidgogogo
// https://laracasts.com/discuss/channels/eloquent/hasmanythrough-with-two-pivot-tables
public function hasPermission($permission_name) 
{
    $result = \DB::table('users')
        ->join('role_user','users.id','=','role_user.user_id')
        ->join('roles','role_user.role_id','=','roles.id')
        ->join('permission_role','roles.id','=','permission_role.role_id')
        ->join('permissions','permission_role.permission_id','=','permissions.id')
        ->select('permissions.*')->where('users.id','=',\Auth::user()->id)->where('permissions.name','=',$permission_name)->count();

    return $result > 0;
}

//modified to my needs...
public function hasPermission($permission) 
{
    $result = \DB::table('users')
        ->join('role_user','users.id','=','role_user.user_id')
        ->join('roles','role_user.role_id','=','roles.id')
        ->join('permission_role','roles.id','=','permission_role.role_id')
        ->join('permissions','permission_role.permission_id','=','permissions.id')
        ->select('permissions.*')->where('users.id','=',$user->id);
    if(is_array($permission)){
      $result->whereIn('permissions.name',$permission)->count();
    else {
      $result->where('permissions.name','=',$permission)->count();
    }

    return $result > 0;
}