autocde2.0/app/Admin/Controllers/DomainController.php

<?php

namespace App\Admin\Controllers;

use App\Models\Tenant;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Show;
use Encore\Admin\Widgets\Table;
use Stancl\Tenancy\Database\Models\Domain;

class DomainController extends AdminController
{
    protected $title = 'Domains';

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $grid = new Grid(new Domain(['tenant']));
        $grid->model()->orderByDesc('id');
        $grid->column('id')->sortable();
        $grid->column('domain')->editable()->copyable();
        $grid->column('tenant.name')->expand(function ($model) {
            $tenants = $model->tenant()->take(10)->get()->map(function ($tenant) {
                return $tenant->only(['id', 'name', 'tenancy_db_connection', 'expired_at']);
            });
            return new Table(['ID', 'Name', 'Db_connection', 'expired_at'], $tenants->toArray());
        });
        $grid->column('created_at');
        $grid->column('updated_at')->sortable();
        $grid->actions(function (Grid\Displayers\Actions $actions) {
            $actions->disableEdit();
            $actions->disableDelete();
        });

        $grid->filter(function (Grid\Filter $filter) {
            $filter->like('domain');
        });

        return $grid;
    }

    /**
     * Make a show builder.
     *
     * @param  mixed  $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        $show = new Show(Domain::query()->findOrFail($id));

        $show->field('id');
        $show->field('domain');
        $show->field('created_at');
        $show->field('updated_at');
        $show->panel()->tools(function ($tools) {
            $tools->disableDelete();
        });

        $show->tenant('tenant', function ($tenant) {
            $tenant->id();
            $tenant->name();
            $tenant->tenancy_db_connection();
            $tenant->expired_at();
            $tenant->created_at();
            $tenant->updated_at();
            $tenant->panel()->tools(function ($tools) {
                $tools->disableList();
                $tools->disableEdit();
                $tools->disableDelete();
            });
        });

        return $show;
    }

    protected function form()
    {
        $form = new Form(new Domain());

        $form->text('domain', 'Domain')->rules('required');
        $form->select('tenant_id', 'Tenant ID')
            ->options(Tenant::all()->pluck('name','id'))->rules('required')
            ->default(request()->get('tenant_id'));

        return $form;
    }
}