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

<?php

namespace App\Admin\Controllers;

use App\Admin\Renderable\ProductSkuSimpleTable;
use App\Admin\Repositories\BargainActivity;
use App\Models\BargainActivity as BargainActivityModel;
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\Layout\Row;
use Dcat\Admin\Show;

class BargainActivityController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new BargainActivity(), function (Grid $grid) {
            $grid->column('id')->sortable();
            $grid->column('name');
            // $grid->column('description');
            $grid->column('is_enable')
                ->if(function () {
                    return Admin::user()->can('dcat.admin.bargain_activities.edit');
                })
                ->then(function (Column $column) {
                    $column->switch();
                })
                ->else(function (Column $column) {
                    $column->bool();
                });
            // $grid->column('rules');
            $grid->column('times');
            // $grid->column('expire_hours');
            $grid->column('start_at');
            $grid->column('end_at');
            $grid->column('created_at');
            $grid->column('updated_at')->sortable();

            //新增
            if (Admin::user()->can('dcat.admin.bargain_activities.create')) {
                $grid->disableCreateButton(false);
                // $grid->enableDialogCreate();
            }

            $grid->actions(function (Grid\Displayers\Actions $actions) {
                $actions->disableView(Admin::user()->cannot('dcat.admin.bargain_activities.show'));
                $actions->disableDelete(Admin::user()->cannot('dcat.admin.bargain_activities.destroy'));
                //修改
                $actions->disableEdit(Admin::user()->cannot('dcat.admin.bargain_activities.edit'));
            });

            $grid->filter(function (Grid\Filter $filter) {
                $filter->panel();
                $filter->like('name')->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return function (Row $row) use ($id) {
            $activity = BargainActivityModel::with(['skus'])->findOrFail($id);
            $row->column(6, function ($column) use ($activity) {
                $column->row(Show::make($activity, function (Show $show) use ($activity) {
                    $show->panel()
                        ->tools(function ($tools) {
                            $tools->disableEdit(Admin::user()->cannot('dcat.admin.bargain_activities.edit'));
                            // $tools->disableList();
                            $tools->disableDelete(Admin::user()->cannot('dcat.admin.bargain_activities.destroy'));
                        });
                    $show->row(function (Show\Row $show) use ($activity) {
                        $show->field('id')->width(10, 1);
                        $show->field('name')->width(10, 1);
                        $show->field('is_enable')->using([0=>'未开启', '已开启'])->dot([
                            '0'=>'#b3b9bf',
                            '1'=>'success',
                        ])->width(10, 1);
                        $show->width(6)->field('start_at');
                        $show->width(6)->field('end_at');
                        $show->width(6)->field('times')->append('刀');
                        $show->width(6)->field('expire_hours')->append('h');

                        $show->width(12)->field('skus')->width(10, 1)->as(function ($value) {
                            return array_column($value, 'name');
                        })->label();

                        $show->field('description')->unescape()->width(10, 1);

                        $show->width(6)->field('created_at');
                        $show->width(6)->field('updated_at');
                    });
                }));
            });
            $row->column(6, function ($column) use ($activity) {
                //砍价记录-todo
            });
        };
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $builder = BargainActivity::with(['skus']);
        return Form::make($builder, function (Form $form) {
            $form->display('id');
            $form->display('created_at');
            $form->display('updated_at');
            $form->block(6, function (Form\BlockForm $form) {
                $form->text('name')->required();
                $form->switch('is_enable');
                $form->dateRange('start_at', 'end_at', '活动时间')->required();
                $form->multipleSelectTable('skus')
                    ->from(ProductSkuSimpleTable::make())
                    ->model(ProductSku::class, 'id', 'name')
                    ->customFormat(function ($v) {
                        if (!$v) {
                            return [];
                        }
                        // 这一步非常重要，需要把数据库中查出来的二维数组转化成一维数组
                        return array_column($v, 'id');
                    })->required();
                $form->number('times')->min(0);
                $form->number('expire_hours')->min(0);
                $form->textarea('rules')->customFormat(function ($value) {
                    return implode(',', json_decode($value));
                })->saving(function ($value) {
                    // dd($value, explode(',', $value));
                    return json_encode(explode(',', $value));
                });
                $form->showFooter();
            });
            $form->block(6, function (Form\BlockForm $form) {
                $form->multipleImage('images')
                    ->move('bargain/images/'.Carbon::now()->toDateString())
                    ->saveFullUrl()
                    ->removable(false)
                    ->autoUpload()->retainable()->sortable();
                $form->editor('description')->height('600');
            });
            $form->saving(function ($form) {
                if ($form->is_enable) {
                    //查询是否有除了自己以外开启的活动
                    if ($form->id) {
                        if (BargainActivityModel::where('id', '<>', $form->id)->isEnable()->exists()) {
                            return $form->response()->error('当前已有开启的活动');
                        }
                    } else {
                        if (BargainActivityModel::isEnable()->exists()) {
                            return $form->response()->error('当前已有开启的活动');
                        }
                    }
                }
            });
        });
    }
}