爆币
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252
application/common/service/LotteryService10.php
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252
application/common/service/LotteryService10.php
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<?php
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namespace app\common\service;
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use app\common\library\LotteryGiftLua;
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use think\Cache;
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use think\Db;
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use think\Exception;
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class LotteryService10
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{
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// Redis实例
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private $redis;
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// 配置参数
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private $config;
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private $bigPrizeWeights;
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public function __construct()
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{
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$this->redis = Cache::store('redis')->handler();
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// 加载配置
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$this->config = Db::name('bb_lottery_config')->column('value', 'key');
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// 初始化Redis缓存（若Redis数据丢失，从数据库恢复）
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$this->initRedisFromDb();
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}
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/**
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* 缓存恢复：独立恢复大小轮次+对应金额
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*/
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private function initRedisFromDb()
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{
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// 1. 恢复小奖池轮次（取pool_type=1的最大times）
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$maxSmallRound = Db::name('bb_lottery_pool_flow_10')->where('pool_type', 1)->max('times') ?: 1;
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if (!$this->redis->get('lottery:small_pool:round_10')) {
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$this->redis->set('lottery:small_pool:round_10', $maxSmallRound);
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}
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// 2. 恢复小奖池当前轮次的次数/金额
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$small_round = intval($this->redis->get('lottery:small_pool:round_10'));
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if (!$this->redis->get('lottery:small_pool:total_times_10')) {
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$smallTotalTimes = Db::name('bb_lottery_pool_flow_10')
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->where(['pool_type' => 1, 'type' => 1, 'times' => $small_round])
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->count();
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$this->redis->set('lottery:small_pool:total_times_10', $smallTotalTimes);
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}
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if (!$this->redis->get('lottery:small_pool:total_gold_10')) {
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$smallTotalGold = Db::name('bb_lottery_pool_flow_10')
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->where(['pool_type' => 1, 'type' => 1, 'times' => $small_round])
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->sum('amount') ?: 0;
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$this->redis->set('lottery:small_pool:total_gold_10', $smallTotalGold);
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}
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}
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/**
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* 处理送礼抽奖逻辑
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* @param int $send_uid 送礼用户ID
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* @param float $gift_gold 礼物金币数
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* @param int $giftId 礼物ID
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* @return array 处理结果
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* @throws Exception
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*/
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public function handleGift($send_uid, $gift_gold, $giftId)
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{
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// 参数校验
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if ($gift_gold <= 0 || !$send_uid) {
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throw new Exception('参数错误');
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}
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// 读取配置+独立轮次
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$small_trigger_times = intval($this->config['small_pool_trigger_times_10'] ?? 200);//触发抽奖次数
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$small_round = intval($this->redis->get('lottery:small_pool:round_10') ?: 1);//小奖轮次
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$lucky_rate = intval($this->config['lucky_rate'] ?? 1);//收益率
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$lottery_rate = intval($this->config['lottery_rate_10'] ?? 100);//爆币率
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if($lottery_rate <= 2){
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throw new Exception('配置错误');
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}
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// 加载Lua脚本
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$luaSha = LotteryGiftLua::getLotteryLuaScript();
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// 执行Lua脚本（入参：small_round + big_round）
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$result = $this->redis->eval($luaSha, [
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$send_uid,
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$gift_gold,
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$small_trigger_times,
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$small_round,
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$lucky_rate,
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$lottery_rate
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], 0);
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$result = json_decode($result, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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throw new Exception('Lua脚本执行失败');
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}
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// 开启数据库事务
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Db::startTrans();
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try {
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// . 1记录小奖池累计流水（未开奖时）
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if ($result['is_small_prize'] == 0) {
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$this->addPoolFlow(
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1, // 小奖池
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1, // 累计
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$result['small_pool_add'],
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$result['small_total_gold'] - $result['small_pool_add'],
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$result['small_total_gold'],
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$giftId,
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$result['small_round'], // 新增：传入轮次
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"小奖池累计：用户{$send_uid}送礼，轮次{$result['small_round']}"
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);
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} else {
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$winnerUid = $send_uid; // 奖默认给当前送礼用户
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// 小奖中奖记录
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$this->addWinnerRecord(
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$winnerUid,
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4, // 高级奖池
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$result['small_prize_amount'],//中奖金额
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$result['small_total_gold'],//奖池总金额
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$this->getSmallRatio($result['small_prize_amount'], $result['small_total_gold']),//中奖比例
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$result['small_total_gold'] - floor($result['small_prize_amount']) //释放金额
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);
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// 3. 小奖池开奖流水
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$this->addPoolFlow(
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1, //
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2, //
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$result['small_prize_amount'],
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$result['small_total_gold'],
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$result['small_total_gold'] - $result['small_prize_amount'],
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$giftId,
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$result['small_round'] - 1, // 开奖轮次为当前轮次-1（已结束的轮次）
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"小奖池开奖：轮次" . ($result['small_round'] - 1)."，中奖金额：{$result['small_prize_amount']}金币"
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);
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}
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Db::commit();
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return [
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'code' => 1,
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'msg' => '处理成功',
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'data' => $result
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];
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} catch (Exception $e) {
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Db::rollback();
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throw new Exception($e->getMessage());
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}
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}
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/**
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* 添加奖池流水
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* @param int $pool_type 奖池类型：1-小 2-大
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* @param int $type 流水类型：1-累计 2-开奖 3-划转 4-释放
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* @param float $amount 金额
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* @param float $before_amount 操作前金额
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* @param float $after_amount 操作后金额
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* @param int $relate_id 关联ID
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* @param int $times 轮次
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* @param string $remark 备注
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*/
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private function addPoolFlow($pool_type, $type, $amount, $before_amount, $after_amount, $relate_id, $times, $remark)
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{
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Db::name('bb_lottery_pool_flow_10')->insert([
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'pool_type' => $pool_type,
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'type' => $type,
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'amount' => $amount,
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'before_amount' => $before_amount,
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'after_amount' => $after_amount,
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'relate_id' => $relate_id,
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'times' => $times, // 新增：写入轮次
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'remark' => $remark,
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'create_time' => time()
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]);
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}
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/**
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* 添加中奖记录
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* @param int $uid 中奖用户ID
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* @param int $prize_type 奖项类型：1-小 2-大
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* @param float $prize_amount 中奖金额
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* @param float $pool_amount 奖池总金额
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* @param int $ratio 中奖比例
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* @param float $release_amount 释放金额
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*/
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private function addWinnerRecord($uid, $prize_type, $prize_amount, $pool_amount, $ratio, $release_amount)
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{
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Db::name('bb_lottery_winner_record')->insert([
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'uid' => $uid,
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'prize_type' => $prize_type,
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'prize_amount' => $prize_amount,
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'pool_amount' => $pool_amount,
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'ratio' => $ratio,
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'release_amount' => $release_amount,
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'create_time' => time(),
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'status' => 1 // 已发放
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]);
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// 此处可添加用户金币入账逻辑（如更新用户金币表）
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}
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/**
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* 计算小奖中奖比例
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* @param float $prize_amount 中奖金额
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* @param float $pool_amount 奖池金额
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* @return int 比例（%）
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*/
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private function getSmallRatio($prize_amount, $pool_amount)
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{
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return intval(round($prize_amount / $pool_amount * 100));
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}
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/**
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* 计算大奖中奖比例
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* @param float $prize_amount 中奖金额
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* @param float $pool_amount 奖池金额
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* @return int 比例（%）
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*/
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private function getBigRatio($prize_amount, $pool_amount)
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{
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return intval(round($prize_amount / $pool_amount * 100));
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}
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/**
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* 统计中奖数据
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* @param array $where 筛选条件（如uid、prize_type、time）
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* @return array 统计结果
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*/
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public function statWinner($where = [])
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{
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$query = Db::name('bb_lottery_winner_record');
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if (!empty($where['uid'])) {
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$query->where('uid', $where['uid']);
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}
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if (!empty($where['prize_type'])) {
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$query->where('prize_type', $where['prize_type']);
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}
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if (!empty($where['start_time']) && !empty($where['end_time'])) {
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$query->whereBetween('create_time', [$where['start_time'], $where['end_time']]);
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}
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// 总中奖金额、总释放金额、中奖次数
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$stat = $query->field([
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'SUM(prize_amount) as total_prize',
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'SUM(release_amount) as total_release',
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'COUNT(id) as total_times'
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])->find();
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return [
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'total_prize' => $stat['total_prize'] ?? 0,
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'total_release' => $stat['total_release'] ?? 0,
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'total_times' => $stat['total_times'] ?? 0
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];
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}
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}
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