feat:depotPurchase

app/Service/Admin/Depot/DepotService.php

@@ -187,6 +187,32 @@ class DepotService extends BaseService{
 
     }
 
+    public function purchaseUpdate():array
+    {
+        $id = (int)$this->request->input('id');
+        $info = $this->DepotPurchaseModel->getDepotPurchase($id);
+        $old_number = $info->number;
+
+        $number = (double)$this->request->input('number');
+        $sum_price = $info->purchase_price * $number;
+
+        $info->number = $number;
+        $info->sum_price = $sum_price;
+
+        $materialStock = $this->MaterialStockModel
+            ->where('depot_id',$info->depot_id)
+            ->where('material_id',$info->material_id)
+            ->where('supplier_id',$info->supplier_id)
+            ->first();
+
+        $materialStock->current_stock = $materialStock->current_stock + $number - $old_number;
+
+        if (!$info->save() || !$materialStock->save()) throw new ErrException('采购数量修改失败');
+
+        return $this->return->success();
+
+    }
+
     public function purchaseBack():array
     {
         $id = (int)$this->request->input('id');
@@ -223,6 +249,8 @@ class DepotService extends BaseService{
         if (empty($materialStock))
             throw new ErrException('库存更改异常');
         else{
+            if ($materialStock->current_stock < $depotPurchase->number)
+                throw new ErrException('库存数量小于退货数量');
             //库存减少
             $materialStock->current_stock = $materialStock->current_stock - $depotPurchase->number;
         }