update:tcc cancel逻辑调整

application/library/Validate/GoodsTccCancelValidate.php

+<?php
+
+
+namespace Validate;
+
+
+/**
+ * Class GoodsTccCancelValidate
+ *
+ * @package Validate
+ */
+class GoodsTccCancelValidate extends BaseValidate
+{
+    protected $rule = [
+        'tid' => 'require',
+        'keys' => 'require',
+        'type' => 'require',
+    ];
+
+    protected $message = [
+        "tid" => "tcc事务id不能为空",
+        "keys" => "商品信息不能为空",
+        "type" => "类型字段不能为空",
+    ];
+}
\ No newline at end of file

application/modules/Tcc/controllers/Tcc.php

@@ -4,6 +4,7 @@ use App\Base\Base;
 use App\Exception\custom\GoodsException;
 use \Validate\GoodsTccValidate;
 use \Validate\GoodsTccIsFinishValidate;
+use \Validate\GoodsTccCancelValidate;
 use \App\Services\tcc\TccService;
 
 
@@ -84,9 +85,9 @@ class TccController extends Base
      */
     public function cancel_order_confirmAction()
     {
-        (new GoodsTccValidate())->validate();
+        (new GoodsTccCancelValidate())->validate();
 
-        $res = TccService::cancelOrderConfirm($this->params["keys"], $this->params["tid"]);
+        $res = TccService::cancelOrderConfirm($this->params["keys"], $this->params["tid"], $this->params["type"]);
         if ($res) {
             $this->success();
         } else {

application/services/tcc/TccService.php

@@ -14,6 +14,9 @@ class TccService
     const TCC_RESULT_FAIL = false;
     const TCC_RESULT_SUCCESS = true;
 
+    const TYPE_CANCEL_ORDER = 1;
+    const TYPE_BACK_ORDER = 2;
+
     /**
      * 下单 商品tcc try
      * @param $keys
@@ -482,9 +485,10 @@ class TccService
      * 取消订单单 商品tcc confirm
      * @param $keys
      * @param $tid
+     * @param $type
      * @return int
      */
-    public static function cancelOrderConfirm($keys, $tid)
+    public static function cancelOrderConfirm($keys, $tid, $type)
     {
         $goodsInfoList = json_decode($keys, true);
         if (empty($goodsInfoList)) {
@@ -546,7 +550,7 @@ class TccService
         }
 
         $skus = GoodsSku::getRecords(["goods_sku_id" => $goodsSkuIds]
-            , ["goods_sku_id", "inventory_rest", "inventory_lock", "online_status"]);
+            , ["goods_sku_id", "total_amount_sold", "inventory_rest", "inventory_lock", "online_status"]);
         if (!empty($skus)) {
             GoodsSku::beginTransaction();
             foreach ($skus as $sku) {
@@ -563,10 +567,25 @@ class TccService
                         return self::TCC_RESULT_FAIL;
                     }
 
-                    GoodsSku::save([
-                        "inventory_lock" => $sku["inventory_lock"] - $num,
-                        "inventory_rest" => $sku["inventory_rest"] + $num,
-                    ], ["goods_sku_id" => $goodsSkuId]);
+                    if ($type == self::TYPE_CANCEL_ORDER) {
+                        $params = [
+                            "inventory_lock" => $sku["inventory_lock"] - $num,
+                            "inventory_rest" => $sku["inventory_rest"] + $num,
+                        ];
+                    }
+                    if ($type == self::TYPE_BACK_ORDER) {
+                        if ($sku["total_amount_sold"] < $num) {
+                            GoodsSku::rollback();
+                            return self::TCC_RESULT_FAIL;
+                        }
+
+                        $params = [
+                            "inventory_lock" => $sku["inventory_lock"] - $num,
+                            "inventory_rest" => $sku["inventory_rest"] + $num,
+                            "total_amount_sold" => $sku["total_amount_sold"] - $num,
+                        ];
+                    }
+                    GoodsSku::save($params, ["goods_sku_id" => $goodsSkuId]);
 
                     Tcc::save([
                         "tid" => $tid,