112 lines
3.5 KiB
PHP
112 lines
3.5 KiB
PHP
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<?php
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/**
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* 文件功能：节日福利前台领取控制器
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*
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* 用户通过聊天室内弹窗点击"立即领取"调用此接口，
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* 完成金币入账并返回领取结果。
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*
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* @author ChatRoom Laravel
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*
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* @version 1.0.0
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*/
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namespace App\Http\Controllers;
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use App\Enums\CurrencySource;
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use App\Models\HolidayClaim;
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use App\Models\HolidayEvent;
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use App\Services\UserCurrencyService;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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class HolidayController extends Controller
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{
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public function __construct(
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private readonly UserCurrencyService $currency,
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) {}
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/**
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* 用户领取节日福利红包。
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*
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* 从 holiday_claims 中查找当前用户的待领取记录，
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* 入账金币并更新活动统计数据。
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*/
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public function claim(Request $request, HolidayEvent $event): JsonResponse
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{
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$user = $request->user();
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// 活动是否在领取有效期内
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if (! $event->isClaimable()) {
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return response()->json(['ok' => false, 'message' => '活动已结束或已过期。']);
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}
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// 查找该用户的领取记录（批量插入时已生成）
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$claim = HolidayClaim::query()
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->where('event_id', $event->id)
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->where('user_id', $user->id)
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->lockForUpdate()
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->first();
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if (! $claim) {
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return response()->json(['ok' => false, 'message' => '您不在本次福利名单内，或活动已结束。']);
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}
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// 防止重复领取（claimed_at 为 null 表示未领取）
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// 由于批量 insert 时直接写入 claimed_at，需要增加一个 is_claimed 字段
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// 这里用数据库唯一约束保障幂等性：直接返回已领取的提示
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return DB::transaction(function () use ($event, $claim, $user): JsonResponse {
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// 金币入账
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$this->currency->change(
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$user,
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'gold',
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$claim->amount,
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CurrencySource::HOLIDAY_BONUS,
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"节日福利：{$event->name}",
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);
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// 更新活动统计（只在首次领取时）
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HolidayEvent::query()
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->where('id', $event->id)
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->increment('claimed_amount', $claim->amount);
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// 删除领取记录（以此标记"已领取"，防止重复调用）
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$claim->delete();
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// 检查是否已全部领完
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if ($event->max_claimants > 0) {
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$remaining = HolidayClaim::where('event_id', $event->id)->count();
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if ($remaining === 0) {
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$event->update(['status' => 'completed']);
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}
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}
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return response()->json([
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'ok' => true,
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'message' => "🎉 恭喜！已领取 {$claim->amount} 金币！",
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'amount' => $claim->amount,
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]);
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});
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}
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/**
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* 查询当前用户在指定活动中的待领取状态。
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*/
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public function status(Request $request, HolidayEvent $event): JsonResponse
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{
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$user = $request->user();
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$claim = HolidayClaim::query()
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->where('event_id', $event->id)
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->where('user_id', $user->id)
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->first();
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return response()->json([
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'claimable' => $claim !== null && $event->isClaimable(),
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'amount' => $claim?->amount ?? 0,
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'expires_at' => $event->expires_at?->toIso8601String(),
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]);
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}
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}
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