245 lines
8.2 KiB
PHP
245 lines
8.2 KiB
PHP
<?php
|
|
|
|
namespace App\Http\Controllers\Mini;
|
|
|
|
use App\Exceptions\RepositoryException;
|
|
use App\Http\Requests\Mini\MiniCartRequest;
|
|
use App\Models\CartModel;
|
|
use App\Models\ProductModel;
|
|
use App\Models\ProductPriceModel;
|
|
use Illuminate\Http\JsonResponse;
|
|
use Illuminate\Http\Request;
|
|
use Illuminate\Support\Facades\DB;
|
|
use Modules\AnnoRoute\Attribute\DeleteRoute;
|
|
use Modules\AnnoRoute\Attribute\GetRoute;
|
|
use Modules\AnnoRoute\Attribute\PostRoute;
|
|
use Modules\AnnoRoute\Attribute\PutRoute;
|
|
use Modules\AnnoRoute\Attribute\RequestAttribute;
|
|
use Modules\SystemTool\Models\SysFileModel;
|
|
use Throwable;
|
|
|
|
/**
|
|
* 小程序购物车
|
|
*/
|
|
#[RequestAttribute('/mini', 'mini', authGuard: 'users')]
|
|
class CartController extends BaseMiniController
|
|
{
|
|
/** decimal(10,2) 上限 */
|
|
private const string MAX_QUANTITY = '99999999.99';
|
|
|
|
/**
|
|
* 加购
|
|
* @throws Throwable
|
|
*/
|
|
#[PostRoute('/cart')]
|
|
public function store(MiniCartRequest $request): JsonResponse
|
|
{
|
|
$user = $this->currentUser($request);
|
|
$store = $this->ensureStoreBound($user);
|
|
if ($store->level_id <= 0) {
|
|
return $this->error('门店未设置客户等级，无法加购，请联系客服');
|
|
}
|
|
|
|
$productId = (int) $request->validated('product_id');
|
|
$product = ProductModel::where('status', ProductModel::STATUS_ON)->find($productId);
|
|
if ($product === null) {
|
|
return $this->error('商品不存在或已下架，请刷新后重试');
|
|
}
|
|
// 存在性校验与计价类型无关（百分比行 price 可能为 0 也能加购）
|
|
$hasPrice = ProductPriceModel::query()
|
|
->where('product_id', $productId)
|
|
->where('level_id', $store->level_id)
|
|
->exists();
|
|
if (! $hasPrice) {
|
|
return $this->error('商品「' . $product->name . '」价格未设置，无法加购');
|
|
}
|
|
|
|
$quantity = (string) $request->validated('quantity');
|
|
|
|
$cart = DB::transaction(function () use ($user, $productId, $quantity) {
|
|
$row = CartModel::query()
|
|
->where('user_id', $user->id)
|
|
->where('product_id', $productId)
|
|
->lockForUpdate()
|
|
->first();
|
|
|
|
if ($row !== null) {
|
|
$merged = bcadd((string) $row->quantity, $quantity, 2);
|
|
if (bccomp($merged, self::MAX_QUANTITY, 2) > 0) {
|
|
throw new RepositoryException('该商品在购物车中的数量已达上限');
|
|
}
|
|
$row->quantity = $merged;
|
|
$row->save();
|
|
|
|
return $row;
|
|
}
|
|
|
|
return CartModel::create([
|
|
'user_id' => $user->id,
|
|
'product_id' => $productId,
|
|
'quantity' => $quantity,
|
|
]);
|
|
});
|
|
|
|
return $this->success([
|
|
'id' => $cart->id,
|
|
'quantity' => $cart->quantity,
|
|
], '已加入购物车');
|
|
}
|
|
|
|
/**
|
|
* 购物车列表
|
|
*/
|
|
#[GetRoute('/cart', authorize: true)]
|
|
public function index(Request $request): JsonResponse
|
|
{
|
|
$user = $this->currentUser($request);
|
|
$store = $this->ensureStoreBound($user);
|
|
|
|
$rows = CartModel::query()
|
|
->where('user_id', $user->id)
|
|
->orderBy('id', 'desc')
|
|
->get();
|
|
|
|
if ($rows->isEmpty()) {
|
|
return $this->success([
|
|
'items' => [],
|
|
'total_count' => 0,
|
|
'total_quantity' => '0.00',
|
|
'total_amount' => '0.00',
|
|
]);
|
|
}
|
|
|
|
$productIds = $rows->pluck('product_id')
|
|
->map(static fn ($id) => (int) $id)
|
|
->unique()->values()->all();
|
|
|
|
$products = ProductModel::withTrashed()->whereIn('id', $productIds)->get()->keyBy('id');
|
|
$priceRows = ProductPriceModel::query()
|
|
->where('level_id', $store->level_id)
|
|
->whereIn('product_id', $productIds)
|
|
->get(['product_id', 'price', 'price_type', 'percent'])
|
|
->keyBy('product_id');
|
|
|
|
// 图片一次查回（避免 ProductModel::$appends images_arr 的 N+1）。
|
|
// 注意：image_ids 有 imageIds Attribute 访问器（get 返回数组），需取原始值
|
|
$allFileIds = [];
|
|
foreach ($products as $product) {
|
|
foreach (explode(',', (string) $product->getRawOriginal('image_ids')) as $fileId) {
|
|
if ($fileId !== '') {
|
|
$allFileIds[] = (int) $fileId;
|
|
}
|
|
}
|
|
}
|
|
$fileMap = SysFileModel::query()
|
|
->whereIn('id', $allFileIds)
|
|
->get()->keyBy('id');
|
|
|
|
$items = [];
|
|
$totalQuantity = '0.00';
|
|
$totalAmount = '0.00';
|
|
foreach ($rows as $row) {
|
|
$product = $products->get($row->product_id);
|
|
$productOn = $product !== null && $product->status === ProductModel::STATUS_ON;
|
|
// 实际价（百分比计价行按成本价上浮换算）；未设等级价为 null
|
|
$priceRow = $priceRows->get($row->product_id);
|
|
$price = $priceRow === null
|
|
? null
|
|
: ProductPriceModel::calcActualPrice(
|
|
(int) $priceRow->price_type,
|
|
$priceRow->price,
|
|
$priceRow->percent,
|
|
(float) ($product?->cost_price ?? 0),
|
|
);
|
|
$buyable = $productOn && $price !== null;
|
|
$quantity = (string) $row->quantity;
|
|
|
|
$firstFileId = (int) (explode(',', (string) $product->getRawOriginal('image_ids'))[0] ?? 0);
|
|
$firstFile = $firstFileId > 0 ? $fileMap->get($firstFileId) : null;
|
|
|
|
$item = [
|
|
'id' => $row->id,
|
|
'product_id' => $row->product_id,
|
|
'name' => $product->name ?? '',
|
|
'spec' => $product->spec ?? '',
|
|
'unit' => $product->unit ?? '',
|
|
'image' => $firstFile?->file_url ?? '',
|
|
'price' => $price,
|
|
'quantity' => $quantity,
|
|
'amount' => $buyable ? bcmul($price, $quantity, 2) : null,
|
|
'status' => $buyable ? 1 : 0,
|
|
];
|
|
$items[] = $item;
|
|
|
|
if ($buyable) {
|
|
$totalQuantity = bcadd($totalQuantity, $quantity, 2);
|
|
$totalAmount = bcadd($totalAmount, $item['amount'], 2);
|
|
}
|
|
}
|
|
|
|
return $this->success([
|
|
'items' => $items,
|
|
'total_count' => count($items),
|
|
'total_quantity' => $totalQuantity,
|
|
'total_amount' => $totalAmount,
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* 修改数量（校验归属）
|
|
*/
|
|
#[PutRoute('/cart/{id}', authorize: true, where: ['id' => '[0-9]+'])]
|
|
public function update(int $id, MiniCartRequest $request): JsonResponse
|
|
{
|
|
$user = $this->currentUser($request);
|
|
$this->ensureStoreBound($user);
|
|
|
|
$row = CartModel::query()
|
|
->where('id', $id)
|
|
->where('user_id', $user->id)
|
|
->first();
|
|
if ($row === null) {
|
|
throw new RepositoryException('购物车项不存在');
|
|
}
|
|
|
|
$row->quantity = (string) $request->validated('quantity');
|
|
$row->save();
|
|
|
|
return $this->success(['id' => $row->id, 'quantity' => $row->quantity], '已修改数量');
|
|
}
|
|
|
|
/**
|
|
* 删除单项（校验归属）
|
|
*/
|
|
#[DeleteRoute('/cart/{id}', authorize: true, where: ['id' => '[0-9]+'])]
|
|
public function destroy(int $id, Request $request): JsonResponse
|
|
{
|
|
$user = $this->currentUser($request);
|
|
$this->ensureStoreBound($user);
|
|
|
|
$deleted = CartModel::query()
|
|
->where('id', $id)
|
|
->where('user_id', $user->id)
|
|
->delete();
|
|
if ($deleted === 0) {
|
|
throw new RepositoryException('购物车项不存在');
|
|
}
|
|
|
|
return $this->success([], '已删除');
|
|
}
|
|
|
|
/**
|
|
* 清空购物车（仅当前用户）
|
|
*/
|
|
#[DeleteRoute('/cart', authorize: true)]
|
|
public function clear(Request $request): JsonResponse
|
|
{
|
|
$user = $this->currentUser($request);
|
|
$this->ensureStoreBound($user);
|
|
|
|
CartModel::query()->where('user_id', $user->id)->delete();
|
|
|
|
return $this->success([], '购物车已清空');
|
|
}
|
|
}
|