jiqu-library-server/app/Admin/Controllers/ActivityController.php

<?php

namespace App\Admin\Controllers;

use App\Admin\Repositories\Activity;
use App\Models\Coupon;
use App\Models\ProductPart;
use App\Models\ProductSku;
use Carbon\Carbon;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Grid\Column;
use Dcat\Admin\Http\Controllers\AdminController;
use Dcat\Admin\Show;

class ActivityController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new Activity(), function (Grid $grid) {
            $grid->column('id')->sortable();
            $grid->column('title');
            $grid->column('cover')->image(100);
            $grid->column('content');
            $grid->column('is_use')
                ->if(function () {
                    return Admin::user()->can('dcat.admin.activities.edit');
                })
                ->then(function (Column $column) {
                    $column->switch();
                })
                ->else(function (Column $column) {
                    $column->bool();
                });
            $grid->column('started_at');
            $grid->column('ended_at');
            $grid->column('created_at');
            $grid->column('updated_at')->sortable();
            //新增
            if (Admin::user()->can('dcat.admin.activities.create')) {
                $grid->disableCreateButton(false);
                // $grid->enableDialogCreate();
            }
            //删除以及自定义操作
            $grid->actions(function (Grid\Displayers\Actions $actions) {
                $actions->disableDelete(Admin::user()->cannot('dcat.admin.activities.destroy'));
                //修改
                $actions->disableEdit(Admin::user()->cannot('dcat.admin.activities.edit'));
            });
            $grid->filter(function (Grid\Filter $filter) {
                $filter->panel();
                $filter->like('title')->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Activity(), function (Show $show) {
            $show->field('id');
            $show->field('title');
            $show->field('cover');
            $show->field('content');
            $show->field('is_use');
            $show->field('started_at');
            $show->field('ended_at');
            $show->field('coupons_rule');
            $show->field('gifts_rule');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $builder = Activity::with(['parts', 'couponSet', 'giftSet']);
        return Form::make($builder, function (Form $form) {
            $form->display('id');
            $form->display('created_at');
            $form->display('updated_at');
            $form->block(6, function (Form\BlockForm $form) {
                $form->text('title')->required();
                $form->image('cover')
                        ->move('activities/'.Carbon::now()->toDateString())
                        ->saveFullUrl()
                        ->removable(false)
                        ->autoUpload()->retainable();
                $form->switch('is_use');
                $form->dateRange('started_at', 'ended_at', '活动时间');
                $form->multipleSelect('parts', '商品分区关联')->options(ProductPart::all()->pluck('name', 'id'))->customFormat(function ($v) {
                    if (! $v) {
                        return [];
                    }
                    // 从数据库中查出的二维数组中转化成ID
                    return array_column($v, 'id');
                });
                $form->hasMany('couponSet', '优惠券关联', function ($form) {
                    $form->select('coupon_id', '优惠券')->options(function ($id) {
                        $coupon = Coupon::find($id);
                        if ($coupon) {
                            return [$coupon->id => $coupon->name];
                        }
                    })->ajax(admin_route('api.coupons'));
                    $form->number('qty', '数量');
                })->useTable();
                $form->hasMany('giftSet', '赠品关联', function ($form) {
                    $form->select('sku_id', '赠品')->options(function ($id) {
                        $sku = ProductSku::find($id);
                        if ($sku) {
                            return [$sku->id => $sku->name];
                        }
                    })->ajax(admin_route('api.product_skus'));
                    $form->number('qty', '数量');
                })->useTable();

                $form->showFooter();
            });
            $form->block(6, function (Form\BlockForm $form) {
                $form->title('活动内容');
                //优惠券规则
                $form->embeds('coupons_rule', function ($form) {
                    $form->radio('type')->options([
                            0=>'按订单赠送',
                            1=>'其他活动来源',
                        ])->default(0);
                    $form->number('value', '门槛')->help('每N元赠送一份');
                    $form->radio('times', '可领次数')->options([
                            '0'=>'仅首单',
                            '1'=>'不限',
                        ])->default(0);
                });
                //赠品规则
                $form->embeds('gifts_rule', function ($form) {
                    $form->radio('type')->options([
                            0=>'按订单赠送',
                            1=>'其他活动来源',
                        ])->default(0);
                    $form->number('value', '门槛')->help('每N元赠送一份');
                    $form->radio('times', '可领次数')->options([
                            '0'=>'仅首单',
                            '1'=>'不限',
                        ])->default(0);
                });
                $form->editor('content')->height('600');
            });
        });
    }
}