[接口]新增获取彩金池，购买游戏次数（购买抽奖券）接口
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67
server/app/api/controller/GameController.php
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67
server/app/api/controller/GameController.php
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<?php
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declare(strict_types=1);
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namespace app\api\controller;
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use support\Request;
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use support\Response;
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use app\api\logic\UserLogic;
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use app\api\logic\GameLogic;
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use app\dice\model\reward_config\DiceRewardConfig;
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use plugin\saiadmin\basic\OpenController;
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/**
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* 游戏相关接口（购买抽奖券等）
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*/
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class GameController extends OpenController
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{
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/**
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* 购买抽奖券
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* POST /api/game/buyLotteryTickets
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* header: auth-token, user-token
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* body: count = 1 | 5 | 10（1次/100coin, 5次/500coin, 10次/1000coin）
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* 记录钱包流水，并更新缓存中玩家的 total_draw_count、paid_draw_count、free_draw_count、coin
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*/
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public function buyLotteryTickets(Request $request): Response
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{
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$token = $request->header('user-token');
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if (empty($token)) {
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$auth = $request->header('authorization');
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if ($auth && stripos($auth, 'Bearer ') === 0) {
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$token = trim(substr($auth, 7));
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}
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}
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if (empty($token)) {
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return $this->fail('请携带 user-token');
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}
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$userId = UserLogic::getUserIdFromToken($token);
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if ($userId === null) {
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return $this->fail('user-token 无效或已过期');
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}
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$count = (int) $request->post('count', 0);
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if (!in_array($count, [1, 5, 10], true)) {
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return $this->fail('购买抽奖券错误');
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}
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try {
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$logic = new GameLogic();
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$data = $logic->buyLotteryTickets($userId, $count);
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return $this->success($data);
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} catch (\plugin\saiadmin\exception\ApiException $e) {
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return $this->fail($e->getMessage());
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}
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}
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/**
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* 获取彩金池（中奖配置表）
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* GET /api/game/lotteryPool
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* header: auth-token
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* 返回 DiceRewardConfig 列表（彩金池/中奖配置）
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*/
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public function lotteryPool(Request $request): Response
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{
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$list = DiceRewardConfig::order('id', 'asc')->select()->toArray();
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return $this->success($list);
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}
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}
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101
server/app/api/logic/GameLogic.php
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101
server/app/api/logic/GameLogic.php
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<?php
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declare(strict_types=1);
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namespace app\api\logic;
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use app\dice\model\player\DicePlayer;
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use app\dice\model\player_wallet_record\DicePlayerWalletRecord;
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use app\api\cache\UserCache;
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use plugin\saiadmin\exception\ApiException;
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use support\think\Db;
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/**
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* 购买抽奖券套餐：次数 => [消耗coin, 购买次数paid, 赠送次数free]
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* 仅支持 1、5、10 档
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*/
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class GameLogic
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{
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public const PACKAGES = [
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1 => ['coin' => 100, 'paid' => 1, 'free' => 0], // 1次/100coin
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5 => ['coin' => 500, 'paid' => 5, 'free' => 1], // 5张/500coin（5购买+1赠送，共6次）
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10 => ['coin' => 1000, 'paid' => 10, 'free' => 3], // 10张/1000coin（10购买+3赠送，共13次）
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];
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/** 钱包流水类型：购买抽奖次数 */
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public const WALLET_TYPE_BUY_DRAW = 2;
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/**
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* 购买抽奖券
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* @param int $playerId 玩家ID（即 user_id）
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* @param int $count 购买档位：1 / 5 / 10
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* @return array 更新后的 coin, total_draw_count, paid_draw_count, free_draw_count
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*/
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public function buyLotteryTickets(int $playerId, int $count): array
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{
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if (!isset(self::PACKAGES[$count])) {
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throw new ApiException('购买抽奖券错误');
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}
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$pack = self::PACKAGES[$count];
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$cost = $pack['coin'];
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$addPaid = $pack['paid'];
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$addFree = $pack['free'];
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$addTotal = $addPaid + $addFree;
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$player = DicePlayer::find($playerId);
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if (!$player) {
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throw new ApiException('用户不存在');
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}
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$coinBefore = (float) $player->coin;
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if ($coinBefore < $cost) {
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throw new ApiException('平台币不足');
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}
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$coinAfter = $coinBefore - $cost;
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$totalBefore = (int) ($player->total_draw_count ?? 0);
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$paidBefore = (int) ($player->paid_draw_count ?? 0);
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$freeBefore = (int) ($player->free_draw_count ?? 0);
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Db::transaction(function () use (
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$player,
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$playerId,
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$cost,
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$coinBefore,
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$coinAfter,
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$addTotal,
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$addPaid,
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$addFree,
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$totalBefore,
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$paidBefore,
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$freeBefore
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) {
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$player->coin = $coinAfter;
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$player->total_draw_count = $totalBefore + $addTotal;
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$player->paid_draw_count = $paidBefore + $addPaid;
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$player->free_draw_count = $freeBefore + $addFree;
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$player->save();
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DicePlayerWalletRecord::create([
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'player_id' => $playerId,
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'coin' => -$cost,
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'type' => self::WALLET_TYPE_BUY_DRAW,
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'wallet_before' => $coinBefore,
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'wallet_after' => $coinAfter,
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'total_draw_count' => $addTotal,
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'paid_draw_count' => $addPaid,
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'free_draw_count' => $addFree,
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'remark' => "购买抽奖券{$addTotal}次（付费{$addPaid}次+赠送{$addFree}次）",
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]);
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});
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$updated = DicePlayer::find($playerId);
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$userArr = $updated->hidden(['password'])->toArray();
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UserCache::setUser($playerId, $userArr);
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return [
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'coin' => (float) $updated->coin,
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'total_draw_count' => (int) $updated->total_draw_count,
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'paid_draw_count' => (int) $updated->paid_draw_count,
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'free_draw_count' => (int) $updated->free_draw_count,
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];
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}
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}
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