From e5a35779f8c66c090c644afd3a966e34d3b928e9 Mon Sep 17 00:00:00 2001
From: lkddi <lkddi@163.com>
Date: Sun, 1 Mar 2026 15:36:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=EF=BC=9AUserPurchase=20?=
 =?UTF-8?q?=E6=A8=A1=E5=9E=8B=E8=A1=A5=E5=85=85=20item()=20=E5=85=B3?=
 =?UTF-8?q?=E8=81=94=E5=88=AB=E5=90=8D?=
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婚姻系统 whereHas('item') / with('item') 需要此方法，
原模型只有 shopItem()，现在加 item() 作为别名指向同一外键。
---
 app/Models/UserPurchase.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/app/Models/UserPurchase.php b/app/Models/UserPurchase.php
index f46b4d7..7c0e6ed 100644
--- a/app/Models/UserPurchase.php
+++ b/app/Models/UserPurchase.php
@@ -32,6 +32,14 @@ class UserPurchase extends Model
         return $this->belongsTo(User::class);
     }
 
+    /**
+     * 购买记录对应的商品（shopItem 别名，兼容婚姻系统调用）
+     */
+    public function item(): BelongsTo
+    {
+        return $this->belongsTo(ShopItem::class, 'shop_item_id');
+    }
+
     /**
      * 购买记录对应的商品
      */