column('id', 'ID')->sortable();
$grid->column('name', '活动名称');
$grid->column('banner', '横幅图片')->image('', 100, 50);
$grid->column('discount_type', '折扣类型')->display(function ($type) {
return $type == ShopPromotion::DISCOUNT_TYPE_FIXED ? '固定折扣' : '百分比折扣';
});
$grid->column('discount_value', '折扣值')->display(function ($value) {
if ($this->discount_type == ShopPromotion::DISCOUNT_TYPE_FIXED) {
return $value . ' 元';
} else {
return $value . '%';
}
});
$grid->column('is_active', '状态')->switch();
$grid->column('sort_order', '排序权重')->sortable();
$grid->column('start_time', '开始时间')->sortable();
$grid->column('end_time', '结束时间')->sortable();
$grid->column('created_at', '创建时间')->sortable();
// 添加操作按钮
$grid->actions(function (Grid\Displayers\Actions $actions) {
$actions->append('管理商品');
});
// 过滤器
$grid->filter(function (Grid\Filter $filter) {
$filter->equal('id', 'ID');
$filter->like('name', '活动名称');
$filter->equal('discount_type', '折扣类型')->select([
ShopPromotion::DISCOUNT_TYPE_FIXED => '固定折扣',
ShopPromotion::DISCOUNT_TYPE_PERCENTAGE => '百分比折扣',
]);
$filter->equal('is_active', '状态')->select([
0 => '禁用',
1 => '启用',
]);
$filter->between('start_time', '开始时间')->datetime();
$filter->between('end_time', '结束时间')->datetime();
});
// 工具栏
$grid->toolsWithOutline(false);
$grid->disableViewButton();
$grid->showQuickEditButton();
$grid->enableDialogCreate();
$grid->enableDialogEdit();
$grid->setDialogFormDimensions('800px', '720px');
});
}
/**
* 创建详情页
*
* @param mixed $id
* @return Show
*/
protected function detail($id)
{
return Show::make($id, new ShopPromotionRepository(), function (Show $show) {
$show->field('id', 'ID');
$show->field('name', '活动名称');
$show->field('description', '活动描述');
$show->field('banner', '横幅图片')->image();
$show->field('discount_type', '折扣类型')->as(function ($type) {
return $type == ShopPromotion::DISCOUNT_TYPE_FIXED ? '固定折扣' : '百分比折扣';
});
$show->field('discount_value', '折扣值')->as(function ($value) {
if ($this->discount_type == ShopPromotion::DISCOUNT_TYPE_FIXED) {
return $value . ' 元';
} else {
return $value . '%';
}
});
$show->field('is_active', '状态')->as(function ($isActive) {
return $isActive ? '启用' : '禁用';
});
$show->field('sort_order', '排序权重');
$show->field('start_time', '开始时间');
$show->field('end_time', '结束时间');
$show->field('created_at', '创建时间');
$show->field('updated_at', '更新时间');
});
}
/**
* 创建表单
*
* @return Form
*/
protected function form()
{
return Form::make(new ShopPromotionRepository(), function (Form $form) {
$form->display('id', 'ID');
$form->text('name', '活动名称')->required();
$form->textarea('description', '活动描述')->rows(3);
$form->image('banner', '横幅图片')->autoUpload()->uniqueName()->help('建议尺寸：1200x300');
$form->radio('discount_type', '折扣类型')
->options([
ShopPromotion::DISCOUNT_TYPE_FIXED => '固定折扣',
ShopPromotion::DISCOUNT_TYPE_PERCENTAGE => '百分比折扣',
])
->default(ShopPromotion::DISCOUNT_TYPE_PERCENTAGE)
->required();
$form->number('discount_value', '折扣值')
->min(0)
->help('固定折扣为具体金额，百分比折扣为1-100的整数')
->required();
$form->number('sort_order', '排序权重')->default(0)->help('数字越小越靠前');
$form->switch('is_active', '状态')->default(true);
$form->datetime('start_time', '开始时间')->help('留空表示不限制开始时间');
$form->datetime('end_time', '结束时间')->help('留空表示不限制结束时间');
$form->display('created_at', '创建时间');
$form->display('updated_at', '更新时间');
});
}
/**
* 管理促销活动商品
*
* @param Content $content
* @param int $id
* @return Content
*/
#[Get('shop/promotions/{id}/items')]
public function items(Content $content, $id)
{
$promotion = ShopPromotion::findOrFail($id);
$content->title('管理促销活动商品');
$content->description('为促销活动 "' . $promotion->name . '" 添加或移除商品');
// 已添加的商品
$addedItems = $promotion->items()->with('category')->get();
$addedItemsTable = $this->buildAddedItemsTable($addedItems, $promotion);
// 添加商品表单
$addItemForm = $this->buildAddItemForm($id);
$content->row(function ($row) use ($promotion) {
$row->column(12, new Card('促销活动信息', view('admin.shop.promotion_info', ['promotion' => $promotion])));
});
$content->row(function ($row) use ($addedItemsTable) {
$row->column(12, new Card('已添加商品', $addedItemsTable));
});
$content->row(function ($row) use ($addItemForm) {
$row->column(12, new Card('添加商品', $addItemForm));
});
return $content;
}
/**
* 构建已添加商品表格
*
* @param Collection $items
* @param ShopPromotion $promotion
* @return Table
*/
protected function buildAddedItemsTable($items, $promotion)
{
$headers = ['ID', '商品名称', '分类', '原价', '折扣价', '自定义折扣值', '操作'];
$rows = [];
foreach ($items as $item) {
$customDiscountValue = $item->pivot->custom_discount_value;
$originalPrice = $item->price;
$discountedPrice = $promotion->calculateDiscountedPrice($originalPrice, $customDiscountValue);
$removeUrl = admin_url('shop/promotions/' . $promotion->id . '/items/remove?item_id=' . $item->id);
$removeButton = "移除";
$rows[] = [
$item->id,
$item->name,
$item->category->name ?? '未分类',
$originalPrice,
$discountedPrice,
$customDiscountValue ?? '使用默认值',
$removeButton
];
}
return new Table($headers, $rows);
}
/**
* 构建添加商品表单
*
* @param int $promotionId
* @return string
*/
protected function buildAddItemForm($promotionId)
{
$form = new Form();
$form->action(admin_url('shop/promotions/' . $promotionId . '/items/add'));
$form->select('item_id', '选择商品')
->options(ShopItem::where('is_active', true)->pluck('name', 'id'))
->required();
$form->number('custom_discount_value', '自定义折扣值')
->help('留空则使用促销活动的默认折扣值');
$form->hidden('_token')->default(csrf_token());
$form->submit('添加商品');
return $form->render();
}
/**
* 添加商品到促销活动
*
* @param Request $request
* @param int $id
* @return \Illuminate\Http\RedirectResponse
*/
#[Post('shop/promotions/{id}/items/add')]
public function addItem(Request $request, $id)
{
$request->validate([
'item_id' => 'required|integer|exists:shop_items,id',
'custom_discount_value' => 'nullable|integer|min:0',
]);
$promotionId = $id;
$shopItemId = $request->input('item_id');
$customDiscountValue = $request->input('custom_discount_value');
// 添加商品到促销活动
$result = \App\Module\Shop\Services\ShopService::addItemToPromotion(
$promotionId,
$shopItemId,
$customDiscountValue
);
admin_success('成功', '商品已添加到促销活动');
return redirect()->back();
}
/**
* 从促销活动中移除商品
*
* @param Request $request
* @param int $id
* @return \Illuminate\Http\RedirectResponse
*/
#[Get('shop/promotions/{id}/items/remove')]
public function removeItem(Request $request, $id)
{
$request->validate([
'item_id' => 'required|integer|exists:shop_items,id',
]);
$promotionId = $id;
$shopItemId = $request->input('item_id');
// 从促销活动中移除商品
$result = \App\Module\Shop\Services\ShopService::removeItemFromPromotion(
$promotionId,
$shopItemId
);
if ($result) {
admin_success('成功', '商品已从促销活动中移除');
} else {
admin_error('失败', '移除商品失败');
}
return redirect()->back();
}
}