feat: dashboard merchant revenue rank top5 7d

app/Http/Controllers/Admin/DashboardController.php

@@ -141,6 +141,27 @@ class DashboardController extends Controller
 
         $planIdToName = Plan::query()->pluck('name', 'id')->all();
 
+        // 排行卡（最小可用）：近 7 天站点收入排行 Top5（按已付金额）
+        $merchantRevenueRank7d = PlatformOrder::query()
+            ->selectRaw('merchant_id, COUNT(*) as cnt')
+            ->selectRaw("SUM(CASE WHEN payment_status = 'paid' THEN paid_amount ELSE 0 END) as paid_sum")
+            ->whereBetween('created_at', [$trendStart, $trendEnd])
+            ->groupBy('merchant_id')
+            ->orderByDesc('paid_sum')
+            ->limit(5)
+            ->get()
+            ->map(function ($row) {
+                return [
+                    'merchant_id' => (int) ($row->merchant_id ?? 0),
+                    'count' => (int) ($row->cnt ?? 0),
+                    'paid_sum' => (float) ($row->paid_sum ?? 0),
+                ];
+            })
+            ->values()
+            ->all();
+
+        $merchantIdToName = Merchant::query()->pluck('name', 'id')->all();
+
         return view('admin.dashboard', [
             'adminName' => $admin->name,
             'stats' => $stats,
@@ -148,6 +169,8 @@ class DashboardController extends Controller
             'recentPlatformOrders' => $recentPlatformOrders,
             'planOrderShare' => $planOrderShare,
             'planIdToName' => $planIdToName,
+            'merchantRevenueRank7d' => $merchantRevenueRank7d,
+            'merchantIdToName' => $merchantIdToName,
             'platformAdmin' => $admin,
             'cacheMeta' => [
                 'store' => config('cache.default'),