App\Http\Controllers\Laralum\BlogsController::updateRoles PHP Метод

    public function updateRoles($id, Request $request)
    {
        Laralum::permissionToAccess('laralum.blogs.access');
        # Check if blog owner
        Laralum::mustOwnBlog($id);
        $blog = Laralum::blog('id', $id);
        $roles = Laralum::roles();
        # Change user's roles
        foreach ($roles as $role) {
            if ($request->input($role->id)) {
                # The admin selected that role
                # Check if the blog was already in that role
                if ($this->checkRole($blog->id, $role->id)) {
                    # The blog is already in that role, so no change is made
                } else {
                    # Add the blog to the selected role
                    $this->addRel($blog->id, $role->id);
                }
            } else {
                # The admin did not select that role
                # Check if the blog is in that role
                if ($this->checkRole($blog->id, $role->id)) {
                    # The blog is that role, so as the admin did not select it, we need to delete the relationship
                    $this->deleteRel($blog->id, $role->id);
                } else {
                    # The blog is not in that role and the admin did not select it
                }
            }
        }
        # Return Redirect
        return redirect()->route('Laralum::blogs')->with('success', "The blog's roles has been updated");
    }