dcat-admin2/src/Controllers/RoleController.php

<?php

namespace Dcat\Admin\Controllers;

use Dcat\Admin\Admin;
use Dcat\Admin\Auth\Permission;
use Dcat\Admin\Models\Repositories\Role;
use Dcat\Admin\Models\Role as RoleModel;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Layout\Content;
use Dcat\Admin\MiniGrid;
use Dcat\Admin\Show;
use Dcat\Admin\Support\Helper;
use Illuminate\Routing\Controller;

class RoleController extends Controller
{
    use HasResourceActions {
        destroy as delete;
    }

    /**
     * Index interface.
     *
     * @param Content $content
     *
     * @return Content
     */
    public function index(Content $content)
    {
        return $content
            ->header(trans('admin.roles'))
            ->description(trans('admin.list'))
            ->body($this->grid());
    }

    /**
     * Show interface.
     *
     * @param mixed   $id
     * @param Content $content
     *
     * @return Content
     */
    public function show($id, Content $content)
    {
        return $content
            ->header(trans('admin.roles'))
            ->description(trans('admin.detail'))
            ->body($this->detail($id));
    }

    /**
     * Edit interface.
     *
     * @param mixed   $id
     * @param Content $content
     *
     * @return Content
     */
    public function edit($id, Content $content)
    {
        return $content
            ->header(trans('admin.roles'))
            ->description(trans('admin.edit'))
            ->body($this->form()->edit($id));
    }

    /**
     * Create interface.
     *
     * @param Content $content
     *
     * @return Content
     */
    public function create(Content $content)
    {
        return $content
            ->header(trans('admin.roles'))
            ->description(trans('admin.create'))
            ->body($this->form());
    }

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        if ($mini = request('_mini')) {
            $grid = new MiniGrid(new Role());
        } else {
            $grid = new Grid(new Role());
        }

        $grid->disableBatchDelete();
        $grid->disableCreateButton();
        $grid->showQuickCreateButton();
        $grid->disableEditButton();
        $grid->showQuickEditButton();
        $grid->disableFilterButton();
        $grid->quickSearch(['id', 'name', 'slug']);

        $grid->id('ID')->bold()->sortable();
        $grid->slug->label('primary');
        $grid->name;

        if (!$mini) {
            $grid->created_at;
            $grid->updated_at->sortable();
        }

        $grid->actions(function (Grid\Displayers\Actions $actions) {
            $roleModel = config('admin.database.roles_model');
            if ($roleModel::isAdministrator($actions->row->slug)) {
                $actions->disableDelete();
            }
        });

        return $grid;
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Admin::show($id, new Role('permissions'), function (Show $show) {
            $show->id;
            $show->slug;
            $show->name;

            $show->permissions->width(12)->as(function ($permission) {
                return collect($permission)->pluck('name');
            })->label('primary');

            $show->divider();

            $show->created_at;
            $show->updated_at;

            if ($show->getId() == RoleModel::ADMINISTRATOR_ID) {
                $show->disableDeleteButton();
            }

        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    public function form()
    {
        return Admin::form(new Role('permissions'), function (Form $form) {
            $roleTable  = config('admin.database.roles_table');
            $connection = config('admin.database.connection');

            $id = $form->getKey();

            $form->display('id', 'ID');

            $form->text('slug', trans('admin.slug'))
                ->required()
                ->creationRules(['required', "unique:{$connection}.{$roleTable}"])
                ->updateRules(['required', "unique:{$connection}.{$roleTable},slug,$id"]);

            $form->text('name', trans('admin.name'))->required();

            $form->tree('permissions')
                ->nodes(function () {
                    $permissionModel = config('admin.database.permissions_model');
                    $permissionModel = new $permissionModel;

                    return $permissionModel->allNodes();
                })
                ->customFormat(function ($v) {
                    if (!$v) return [];

                    return array_column($v, 'id');
                });

            $form->display('created_at', trans('admin.created_at'));
            $form->display('updated_at', trans('admin.updated_at'));

            if ($form->getKey() == RoleModel::ADMINISTRATOR_ID) {
                $form->disableDeleteButton();
            }
        });
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param int $id
     *
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        if (in_array(RoleModel::ADMINISTRATOR_ID, Helper::array($id))) {
            Permission::error();
        }

        return $this->delete($id);
    }

}