采购单优化
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@@ -3,10 +3,8 @@
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namespace App\Services;
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use App\Exceptions\RepositoryException;
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use App\Models\ProductModel;
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use App\Models\ProductPriceModel;
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use App\Models\PurchaseOrderItemModel;
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use App\Models\PurchaseOrderModel;
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use App\Models\StoreOrderItemModel;
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use App\Models\StoreOrderModel;
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use Illuminate\Support\Facades\DB;
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@@ -15,11 +13,9 @@ use Illuminate\Support\Facades\DB;
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*
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* 流程（事务内）：
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* 1. 行锁「已接单」订单（可传 orderIds 只合并指定订单；状态条件天然排除已归集订单，幂等）
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* 2. 展开明细按商品聚合（Σquantity，快照品名/规格；供应商取商品默认供应商）
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* 3. 估算单价 = 该商品最低实际等级价（按计价类型换算后取 min，PHP 侧兼容 MySQL/SQLite），amount = quantity × 估算单价
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* 4. 创建采购单头（PO 单号，estimate_amount = Σitems.amount）
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* 5. 明细按「分类 sort → 商品 sort」排序写入 sort 行号
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* 6. 源订单批量回写 status = 采购中、purchase_id = 采购单ID（分摊按 purchase_id 溯源）
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* 2. 创建采购单头（PO 单号；total_quantity / estimate_amount 取订货明细汇总）
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* 3. 源订单批量回写 status = 采购中、purchase_id = 采购单ID，
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* 订货明细同步回写 purchase_id（采购明细直接溯源订货明细，无独立采购明细表）
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*/
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class PurchaseGenerateService
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{
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@@ -53,96 +49,23 @@ class PurchaseGenerateService
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throw new RepositoryException('无已接单订单，无法生成采购单');
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}
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// 2. 展开明细按商品聚合
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$aggregated = [];
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$sourceOrderIds = [];
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foreach ($orders as $order) {
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$sourceOrderIds[] = $order->id;
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foreach ($order->items as $item) {
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$productId = (int) $item->product_id;
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if (! isset($aggregated[$productId])) {
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$aggregated[$productId] = [
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'product_id' => $productId,
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'product_name' => $item->product_name,
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'product_spec' => $item->product_spec,
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'quantity' => '0',
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];
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}
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$aggregated[$productId]['quantity'] = bcadd(
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$aggregated[$productId]['quantity'],
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(string) $item->quantity,
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2
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);
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}
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}
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$sourceOrderIds = $orders->pluck('id')->all();
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if ($aggregated === []) {
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// 2. 订货明细汇总（采购单头数据）
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$items = StoreOrderItemModel::query()->whereIn('order_id', $sourceOrderIds)->get();
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if ($items->isEmpty()) {
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throw new RepositoryException('已接单订单均无明细，无法生成采购单');
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}
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$products = ProductModel::withTrashed()
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->with('category:id,sort')
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->whereIn('id', array_keys($aggregated))
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->get()
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->keyBy('id');
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// 3. 估算单价 = 最低实际等级价（逐行按计价类型换算后取 min；数量级 = 当日 SKU × 等级，可控）
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$priceRows = ProductPriceModel::query()
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->whereIn('product_id', array_keys($aggregated))
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->get(['product_id', 'price', 'price_type', 'percent'])
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->groupBy('product_id');
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$minPrices = [];
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foreach ($aggregated as $productId => $item) {
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$product = $products->get($productId);
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$minPrice = null;
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foreach ($priceRows->get($productId, collect()) as $priceRow) {
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$actual = ProductPriceModel::calcActualPrice(
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(int) $priceRow->price_type,
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$priceRow->price,
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$priceRow->percent,
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(float) ($product->cost_price ?? 0),
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);
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if ($minPrice === null || bccomp($actual, $minPrice, 2) < 0) {
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$minPrice = $actual;
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}
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}
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$minPrices[$productId] = $minPrice ?? '0';
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}
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// 组装明细行并按「分类 sort → 商品 sort」排序
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$rows = [];
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foreach ($aggregated as $productId => $item) {
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$product = $products->get($productId);
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$price = (string) ($minPrices[$productId] ?? '0');
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$rows[] = [
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'product_id' => $productId,
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'supplier_id' => (int) ($product->supplier_id ?? 0),
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'product_name' => $item['product_name'],
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'product_spec' => $item['product_spec'],
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'price' => $price,
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'quantity' => $item['quantity'],
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'amount' => bcmul($item['quantity'], $price, 2),
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'category_sort' => (int) ($product->category->sort ?? 9999),
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'product_sort' => (int) ($product->sort ?? 9999),
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];
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}
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usort($rows, static fn (array $a, array $b): int =>
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[$a['category_sort'], $a['product_sort'], $a['product_id']]
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<=> [$b['category_sort'], $b['product_sort'], $b['product_id']]);
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$estimateAmount = array_reduce(
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$rows,
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static fn (string $carry, array $row): string => bcadd($carry, $row['amount'], 2),
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$totalQuantity = $items->reduce(
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static fn (string $carry, $item): string => bcadd($carry, (string) $item->quantity, 2),
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'0'
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);
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$totalQuantity = array_reduce(
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$rows,
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static fn (string $carry, array $row): string => bcadd($carry, $row['quantity'], 2),
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$estimateAmount = $items->reduce(
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static fn (string $carry, $item): string => bcadd($carry, (string) $item->amount, 2),
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'0'
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);
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// 4. 采购单头
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$purchase = PurchaseOrderModel::create([
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'purchase_no' => $this->billNumberService->make('PO'),
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'purchase_date' => $date,
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@@ -154,30 +77,14 @@ class PurchaseGenerateService
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'operator_id' => $operatorId,
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]);
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// 5. 采购明细（sort 行号）
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$sort = 1;
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foreach ($rows as $row) {
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PurchaseOrderItemModel::create([
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'purchase_id' => $purchase->id,
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'product_id' => $row['product_id'],
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'supplier_id' => $row['supplier_id'],
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'product_name' => $row['product_name'],
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'product_spec' => $row['product_spec'],
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'price' => $row['price'],
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'quantity' => $row['quantity'],
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'weight' => 0,
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'amount' => $row['amount'],
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'sort' => $sort++,
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'is_sent' => PurchaseOrderItemModel::NOT_SENT,
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]);
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}
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// 6. 源订单回写「采购中」并关联采购单（分摊按 purchase_id 溯源）
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// 3. 源订单回写「采购中」并关联采购单；订货明细同步回写 purchase_id
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StoreOrderModel::whereIn('id', $sourceOrderIds)
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->update([
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'status' => StoreOrderModel::STATUS_DELIVERING,
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'purchase_id' => $purchase->id,
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]);
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StoreOrderItemModel::whereIn('order_id', $sourceOrderIds)
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->update(['purchase_id' => $purchase->id]);
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return $purchase;
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});
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