优化积分流水筛选与用户管理样式

app/Http/Controllers/Admin/CurrencyStatsController.php

@@ -14,11 +14,13 @@ namespace App\Http\Controllers\Admin;
 
 use App\Enums\CurrencySource;
 use App\Http\Controllers\Controller;
-use App\Models\UserCurrencyLog;
 use App\Services\UserCurrencyService;
 use Illuminate\Http\Request;
 use Illuminate\View\View;
 
+/**
+ * 类功能：展示后台积分流水统计与指定日期净流通数据。
+ */
 class CurrencyStatsController extends Controller
 {
     /**
@@ -45,20 +47,7 @@ class CurrencyStatsController extends Controller
         );
 
         // 今日净流通量（正向增加 - 负向消耗），可判断通货膨胀
-        $netFlow = [];
-        foreach (['exp', 'gold', 'charm'] as $currency) {
-            $totalIn = UserCurrencyLog::whereDate('created_at', $date)
-                ->where('currency', $currency)->where('amount', '>', 0)
-                ->sum('amount');
-            $totalOut = UserCurrencyLog::whereDate('created_at', $date)
-                ->where('currency', $currency)->where('amount', '<', 0)
-                ->sum('amount');
-            $netFlow[$currency] = [
-                'in' => $totalIn,
-                'out' => abs($totalOut),
-                'net' => $totalIn + $totalOut, // 净增量
-            ];
-        }
+        $netFlow = $this->currencyService->netFlowStats($date);
 
         // 所有已知来源（供视图展示缺失来源的空行）
         $allSources = CurrencySource::cases();