feat: 增强开奖列表统计功能

- 在 AdminDrawIndexController 中新增 aggregateListStats 方法，聚合每个开奖的投注和派彩金额，计算盈亏情况。
- 更新 row 方法，使用聚合统计数据替代原有的直接查询，提升性能与可读性。
- 通过优化数据处理逻辑，确保在获取开奖列表时能够同时返回相关的统计信息。

app/Http/Controllers/Api/V1/Admin/Draw/AdminDrawIndexController.php

@@ -37,7 +37,11 @@ final class AdminDrawIndexController extends Controller
         /** @var LengthAwarePaginator $paginator */
         $paginator = $q->paginate($p['perPage'], ['*'], 'page', $p['page']);
 
-        return AdminApiList::jsonWith($paginator, fn (Draw $row) => $this->row($row), [
+        $statsByDrawId = $this->aggregateListStats(
+            $paginator->getCollection()->pluck('id')->map(fn ($id) => (int) $id)->all(),
+        );
+
+        return AdminApiList::jsonWith($paginator, fn (Draw $row) => $this->row($row, $statsByDrawId), [
             'schedule' => [
                 'timezone' => LotterySettings::drawTimezone(),
                 'interval_minutes' => LotterySettings::drawIntervalMinutes(),
@@ -47,9 +51,58 @@ final class AdminDrawIndexController extends Controller
         ]);
     }
 
-    /** @return array<string, mixed> */
-    private function row(Draw $draw): array
+    /**
+     * @param  list<int>  $drawIds
+     * @return array<int, array{total_bet_minor: int, total_payout_minor: int, profit_loss_minor: int}>
+     */
+    private function aggregateListStats(array $drawIds): array
     {
+        if ($drawIds === []) {
+            return [];
+        }
+
+        $betByDraw = TicketOrder::query()
+            ->whereIn('draw_id', $drawIds)
+            ->groupBy('draw_id')
+            ->selectRaw('draw_id, COALESCE(SUM(total_actual_deduct), 0) AS total_bet')
+            ->pluck('total_bet', 'draw_id');
+
+        $payoutRows = TicketItem::query()
+            ->whereIn('draw_id', $drawIds)
+            ->groupBy('draw_id')
+            ->selectRaw(
+                'draw_id, COALESCE(SUM(win_amount), 0) AS win, COALESCE(SUM(jackpot_win_amount), 0) AS jackpot',
+            )
+            ->get()
+            ->keyBy('draw_id');
+
+        $stats = [];
+        foreach ($drawIds as $drawId) {
+            $bet = (int) ($betByDraw[$drawId] ?? $betByDraw[(string) $drawId] ?? 0);
+            $payoutRow = $payoutRows->get($drawId) ?? $payoutRows->get((string) $drawId);
+            $payout = (int) ($payoutRow->win ?? 0) + (int) ($payoutRow->jackpot ?? 0);
+            $stats[$drawId] = [
+                'total_bet_minor' => $bet,
+                'total_payout_minor' => $payout,
+                'profit_loss_minor' => $bet - $payout,
+            ];
+        }
+
+        return $stats;
+    }
+
+    /**
+     * @param  array<int, array{total_bet_minor: int, total_payout_minor: int, profit_loss_minor: int}>  $statsByDrawId
+     * @return array<string, mixed>
+     */
+    private function row(Draw $draw, array $statsByDrawId): array
+    {
+        $stats = $statsByDrawId[(int) $draw->id] ?? [
+            'total_bet_minor' => 0,
+            'total_payout_minor' => 0,
+            'profit_loss_minor' => 0,
+        ];
+
         return [
             'id' => (int) $draw->id,
             'draw_no' => $draw->draw_no,
@@ -66,14 +119,9 @@ final class AdminDrawIndexController extends Controller
             'current_result_version' => (int) $draw->current_result_version,
             'settle_version' => (int) $draw->settle_version,
             'is_reopened' => (bool) $draw->is_reopened,
-            'total_bet_minor' => (int) TicketOrder::query()->where('draw_id', $draw->id)->sum('total_actual_deduct'),
-            'total_payout_minor' => (int) TicketItem::query()->where('draw_id', $draw->id)->sum('win_amount')
-                + (int) TicketItem::query()->where('draw_id', $draw->id)->sum('jackpot_win_amount'),
-            'profit_loss_minor' => (int) TicketOrder::query()->where('draw_id', $draw->id)->sum('total_actual_deduct')
-                - (
-                    (int) TicketItem::query()->where('draw_id', $draw->id)->sum('win_amount')
-                    + (int) TicketItem::query()->where('draw_id', $draw->id)->sum('jackpot_win_amount')
-                ),
+            'total_bet_minor' => $stats['total_bet_minor'],
+            'total_payout_minor' => $stats['total_payout_minor'],
+            'profit_loss_minor' => $stats['profit_loss_minor'],
             'updated_at' => $draw->updated_at?->toIso8601String(),
         ];
     }

database/migrations/2026_05_31_100000_add_query_performance_indexes.php

@@ -0,0 +1,53 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+/**
+ * 对齐高频查询路径（PostgreSQL B-tree）。
+ *
+ * - ticket_orders：按 draw_id 结算/后台汇总
+ * - wallet_txns / ticket_items：player_id + ORDER BY id DESC 分页
+ * - draws：business_date 筛选 + draw_time 排序（往期/报表）
+ */
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('ticket_orders', function (Blueprint $table): void {
+            $table->index('draw_id', 'idx_ticket_orders_draw_id');
+        });
+
+        Schema::table('wallet_txns', function (Blueprint $table): void {
+            $table->index(['player_id', 'id'], 'idx_wallet_txns_player_id');
+        });
+
+        Schema::table('ticket_items', function (Blueprint $table): void {
+            $table->index(['player_id', 'id'], 'idx_ticket_items_player_id');
+        });
+
+        Schema::table('draws', function (Blueprint $table): void {
+            $table->index(['business_date', 'draw_time'], 'idx_draws_business_date_draw_time');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('draws', function (Blueprint $table): void {
+            $table->dropIndex('idx_draws_business_date_draw_time');
+        });
+
+        Schema::table('ticket_items', function (Blueprint $table): void {
+            $table->dropIndex('idx_ticket_items_player_id');
+        });
+
+        Schema::table('wallet_txns', function (Blueprint $table): void {
+            $table->dropIndex('idx_wallet_txns_player_id');
+        });
+
+        Schema::table('ticket_orders', function (Blueprint $table): void {
+            $table->dropIndex('idx_ticket_orders_draw_id');
+        });
+    }
+};