购物车悬浮

app/Http/Controllers/Mini/OrderController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers\Mini;
 
 use App\Exceptions\RepositoryException;
 use App\Http\Requests\Mini\MiniOrderRequest;
+use App\Models\BillModel;
 use App\Models\CartModel;
 use App\Models\CustomerLevelModel;
 use App\Models\ProductModel;
@@ -37,6 +38,26 @@ class OrderController extends BaseMiniController
             throw new RepositoryException('门店未设置客户等级，无法下单，请联系客服');
         }
 
+        // 回款周期校验：存在逾期未回款账单（未支付即拦截，含审核中）时禁止下单
+        // 周期 0 天=立即结清：任何未回款账单（含当天）都拦截；周期 N≥1：账单日 + N 天 < 今天（超过回款周期）才拦截
+        $cycleDays = (int) $store->payment_cycle_days;
+        $overdueQuery = BillModel::query()
+            ->where('store_id', $store->id)
+            ->where('status', BillModel::STATUS_UNPAID);
+        if ($cycleDays > 0) {
+            $overdueQuery->whereDate('bill_date', '<', now()->subDays($cycleDays)->toDateString());
+        }
+        $overdue = $overdueQuery
+            ->selectRaw('COUNT(*) as aggregate_count, COALESCE(SUM(total_amount), 0) as aggregate_amount')
+            ->first();
+        if ((int) $overdue->aggregate_count > 0) {
+            $amountText = bcadd((string) $overdue->aggregate_amount, '0', 2);
+            throw new RepositoryException($cycleDays > 0
+                ? '您有 ' . (int) $overdue->aggregate_count . ' 笔账单已超过回款周期未回款（合计 ¥' . $amountText . '），请先结清后再下单'
+                : '您有 ' . (int) $overdue->aggregate_count . ' 笔账单未回款（合计 ¥' . $amountText . '），回款周期为当日结清，请先结清后再下单'
+            );
+        }
+
         $items = $request->validated('items');
         $remark = (string) ($request->validated('remark') ?? '');