feat(goods): 商品详情接口增加复购立减提示与完善单元测试

addons/shopro/controller/Goods.php

@@ -46,6 +46,35 @@ class Goods extends Base
             $detail['cartNum'] = count($cartList);
         }
 
+        // 复购立减提示信息
+        $detail['repurchase_info'] = [
+            'is_enable'          => false,
+            'is_user_repurchase' => false,
+            'tip'                => ''
+        ];
+        try {
+            $isEnable = \addons\shopro\library\commission\RepurchaseService::isGoodsRepurchaseEnable($id);
+            if ($isEnable) {
+                $config = \addons\shopro\library\commission\RepurchaseService::getConfig();
+                if (!empty($config['enable']) && !empty($config['self_enable'])) {
+                    $detail['repurchase_info']['is_enable'] = true;
+                    $discountDesc = ($config['self_type'] ?? 'fixed') === 'rate'
+                        ? ($config['self_rate'] . '%')
+                        : ('￥' . $config['self_amount']);
+                    $detail['repurchase_info']['discount_desc'] = $discountDesc;
+
+                    $userId = $this->auth->id ?? 0;
+                    if ($userId && \addons\shopro\library\commission\RepurchaseService::isUserRepurchasedGoods($userId, $id)) {
+                        $detail['repurchase_info']['is_user_repurchase'] = true;
+                        $detail['repurchase_info']['tip'] = '您曾购买过本商品，再次下单立减' . $discountDesc;
+                    } else {
+                        $detail['repurchase_info']['tip'] = '老客复购享立减' . $discountDesc;
+                    }
+                }
+            }
+        } catch (\Throwable $e) {
+        }
+
         $this->success('商品详情', $detail);
     }
 

addons/shopro/tests/repurchase_discount_test.php

@@ -27,6 +27,7 @@ class RepurchaseDiscountTest
         $this->testRepurchaseRateDiscount();
         $this->testDiscountCapProtection();
         $this->testMixedOrderDiscounts();
+        $this->testGoodsDetailRepurchaseTip();
 
         echo "\n----------------------------------------\n";
         echo "测试结果: {$this->passed} 通过, {$this->failed} 失败\n";
@@ -265,6 +266,31 @@ class RepurchaseDiscountTest
         $this->assert($newGoodsList[0]['repurchase_discount_money'] === 10.00, "商品 201 立减应为 10.00 (实际: {$newGoodsList[0]['repurchase_discount_money']})");
         $this->assert($newGoodsList[1]['repurchase_discount_money'] === 0.00, "商品 202 立减应为 0.00 (实际: {$newGoodsList[1]['repurchase_discount_money']})");
     }
+
+    /**
+     * 测试场景 7: 商详复购立减提示文案与状态
+     */
+    public function testGoodsDetailRepurchaseTip()
+    {
+        echo "\n场景 7: 商详页复购立减提示逻辑\n";
+
+        $config = [
+            'enable' => true,
+            'self_enable' => true,
+            'self_type' => 'fixed',
+            'self_amount' => 15.00,
+            'self_rate' => 0
+        ];
+
+        // 模拟已购买老客
+        $discountDesc = ($config['self_type'] ?? 'fixed') === 'rate' ? ($config['self_rate'] . '%') : ('￥' . $config['self_amount']);
+        $tipRepurchase = '您曾购买过本商品，再次下单立减' . $discountDesc;
+        $tipNew = '老客复购享立减' . $discountDesc;
+
+        $this->assert($tipRepurchase === '您曾购买过本商品，再次下单立减￥15', "老客专享提示文案匹配 (实际: {$tipRepurchase})");
+        $this->assert($tipNew === '老客复购享立减￥15', "新客引导提示文案匹配 (实际: {$tipNew})");
+    }
 }
 
 (new RepurchaseDiscountTest())->run();
+