From 9bf670b951853179178d5731195965431a2da453 Mon Sep 17 00:00:00 2001
From: sky121113 <sky121113@gmail.com>
Date: Sat, 16 May 2026 20:07:12 +0800
Subject: [PATCH] fix: update low stock warning threshold to 20% of max_stock
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1. 移除硬編碼的門檻值 5。
2. 改用 stock <= (max_stock * 0.2) 進行動態判斷。
3. 增加 max_stock > 0 過濾，避免空貨道產生錯誤警示。
---
 app/Http/Controllers/Admin/RemoteController.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/Http/Controllers/Admin/RemoteController.php b/app/Http/Controllers/Admin/RemoteController.php
index bf1f5a3..7e52303 100644
--- a/app/Http/Controllers/Admin/RemoteController.php
+++ b/app/Http/Controllers/Admin/RemoteController.php
@@ -207,7 +207,8 @@ class RemoteController extends Controller
         $machineQuery = Machine::withCount([
             'slots as slots_count',
             'slots as low_stock_count' => function ($query) {
-                $query->where('stock', '<=', 5);
+                $query->where('max_stock', '>', 0)
+                    ->whereRaw('stock <= (max_stock * 0.2)');
             },
             'slots as expiring_soon_count' => function ($query) {
                 $query->whereNotNull('expiry_date')