采购单优化

app/Services/PurchaseEditService.php

@@ -8,55 +8,28 @@ use App\Models\PurchaseOrderModel;
 use App\Models\StoreOrderItemModel;
 use App\Models\StoreOrderModel;
 use Illuminate\Support\Facades\DB;
+use Throwable;
 
 /**
- * C4 采购单数据修改（明细矩阵：门店单元格 / 商品行）
- *
- * 采购单无独立明细表，修改直接回写订货明细（store_order_item），并重算：
- * 1. 受影响订单汇总（recalculateOrderTotals 同口径：商品金额 + 附加金额）
- * 2. 采购单头汇总：estimate_amount = Σ订货金额；actual_amount = Σ(称重>0 ? 称重×成本 : 数量×成本)
+ * 采购单数据修改
  */
 class PurchaseEditService
 {
-    /**
-     * 门店单元格修改：数量（必填）/ 称重（可空），金额按 数量×单价 重算
-     */
-    public function updateCell(StoreOrderItemModel $item, int $quantity, ?float $weight): StoreOrderItemModel
-    {
-        return DB::transaction(function () use ($item, $quantity, $weight) {
-            $item->quantity = $quantity;
-            if ($weight !== null) {
-                $item->weight = bcadd((string) $weight, '0', 3);
-            }
-            $item->amount = bcmul((string) $quantity, (string) $item->price, 2);
-            $item->save();
-
-            $order = StoreOrderModel::find($item->order_id);
-            if ($order !== null) {
-                $this->recalculateOrderTotals($order);
-            }
-            if ($item->purchase_id > 0) {
-                $purchase = PurchaseOrderModel::find($item->purchase_id);
-                if ($purchase !== null) {
-                    $this->recalculatePurchaseTotals($purchase);
-                }
-            }
-
-            return $item->refresh();
-        });
-    }
 
     /**
      * 商品行修改：品名/供应商/包规/单位/成本一键同步该商品全部订货明细；
-     * 实际称重按数量比例分摊（尾差修正守恒）；
      * syncProduct = true 时同步更新商品档案（product 表）
      *
+     * @param PurchaseOrderModel $purchase
+     * @param int $productId
      * @param array{product_name?: string, supplier_id?: int, product_spec?: string, unit?: string, cost_price?: float} $attrs 行属性（仅同步传入键）
-     * @param float|null $weight 行实际称重合计，NULL 不修改
+     * @param bool $syncProduct
+     * @return int
+     * @throws Throwable
      */
-    public function updateRow(PurchaseOrderModel $purchase, int $productId, array $attrs, ?float $weight, bool $syncProduct = false): int
+    public function updateRow(PurchaseOrderModel $purchase, int $productId, array $attrs, bool $syncProduct = false): int
     {
-        return DB::transaction(function () use ($purchase, $productId, $attrs, $weight, $syncProduct) {
+        return DB::transaction(function () use ($purchase, $productId, $attrs, $syncProduct) {
             $items = StoreOrderItemModel::query()
                 ->where('purchase_id', $purchase->id)
                 ->where('product_id', $productId)
@@ -87,7 +60,7 @@ class PurchaseEditService
                     $item->fill($sync)->save();
                 }
 
-                // 同步至商品档案（软删除商品不同步，直接报错回滚）
+                // 同步至商品档案
                 if ($syncProduct) {
                     $product = ProductModel::withTrashed()->find($productId);
                     if ($product === null || $product->trashed()) {
@@ -113,33 +86,6 @@ class PurchaseEditService
                 }
             }
 
-            if ($weight !== null) {
-                $totalQty = $items->reduce(
-                    static fn (string $carry, $item): string => bcadd($carry, (string) $item->quantity, 2),
-                    '0'
-                );
-                $target = bcadd((string) $weight, '0', 3);
-                $allocated = '0';
-                $lastIndex = $items->count() - 1;
-                foreach ($items->values() as $index => $item) {
-                    if ($index === $lastIndex) {
-                        // 尾差修正：最后一行 = 总称重 − 已分摊，保证守恒
-                        $rowWeight = bcsub($target, $allocated, 3);
-                    } elseif ((float) $totalQty > 0) {
-                        $ratio = bcdiv((string) $item->quantity, $totalQty, 6);
-                        $rowWeight = bcmul($target, $ratio, 3);
-                        $allocated = bcadd($allocated, $rowWeight, 3);
-                    } else {
-                        $rowWeight = '0';
-                    }
-                    $item->weight = $rowWeight;
-                    $item->save();
-                }
-            }
-
-            $orderIds = $items->pluck('order_id')->unique()->all();
-            StoreOrderModel::whereIn('id', $orderIds)->get()
-                ->each(fn (StoreOrderModel $order) => $this->recalculateOrderTotals($order));
             $this->recalculatePurchaseTotals($purchase);
 
             return $items->count();
@@ -147,51 +93,24 @@ class PurchaseEditService
     }
 
     /**
-     * 重算订单汇总（与 StoreOrderController::recalculateOrderTotals 同口径）
-     */
-    public function recalculateOrderTotals(StoreOrderModel $order): void
-    {
-        $totals = StoreOrderItemModel::query()
-            ->where('order_id', $order->id)
-            ->selectRaw('COALESCE(SUM(quantity), 0) as total_quantity')
-            ->selectRaw('COALESCE(SUM(weight), 0) as total_weight')
-            ->selectRaw('COALESCE(SUM(amount), 0) as product_amount')
-            ->first();
-
-        $productAmount = bcadd((string) $totals->product_amount, '0', 2);
-        $order->total_quantity = (int) $totals->total_quantity;
-        $order->total_weight = bcadd((string) $totals->total_weight, '0', 3);
-        $order->product_amount = $productAmount;
-        $order->total_amount = bcadd($productAmount, (string) $order->added_amount, 2);
-        $order->save();
-    }
-
-    /**
-     * 重算采购单头汇总：estimate_amount = Σ订货金额（销售口径）；
-     * actual_amount = Σ(称重>0 ? 称重×成本 : 数量×成本)（采购成本口径）
+     * 重算采购金额汇总
      */
     public function recalculatePurchaseTotals(PurchaseOrderModel $purchase): void
     {
         $items = StoreOrderItemModel::query()
             ->where('purchase_id', $purchase->id)
-            ->get(['quantity', 'weight', 'amount', 'cost_price', 'product_spec']);
+            ->get(['quantity', 'cost_price']);
 
-        $totalQuantity = '0';
-        $totalWeight = '0';
+        $totalQuantity = 0;
         $estimate = '0';
-        $actual = '0';
         foreach ($items as $item) {
-            $unitCost = self::unitCost((string) ($item->cost_price ?? '0'), (string) $item->product_spec);
-            $totalQuantity = bcadd($totalQuantity, (string) $item->quantity, 2);
-            $totalWeight = bcadd($totalWeight, (string) $item->weight, 3);
-            $estimate = bcadd($estimate, (string) $item->amount, 2);
-            $actual = bcadd($actual, self::costAmount((string) $item->quantity, (string) $item->weight, $unitCost), 2);
+            $totalQuantity += $item->quantity;
+            $item_estimate = bcmul($item->cost_price, $item->quantity, 2);
+            $estimate = bcadd($estimate, $item_estimate, 2);
         }
 
         $purchase->total_quantity = $totalQuantity;
-        $purchase->total_weight = $totalWeight;
         $purchase->estimate_amount = $estimate;
-        $purchase->actual_amount = $actual;
         $purchase->save();
     }