解决超出发放礼物问题-盲盒转盘
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@@ -47,8 +47,9 @@ class BlindBoxTurntableGiftDraw extends Model
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$availableGiftss = $precomputeResult['data']['availableGifts'];
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$currentXlhPeriodsNum = $precomputeResult['data']['current_xlh_periods_num'];
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$xlhIsPiaoPing = $precomputeResult['data']['xlh_is_piao_ping'];
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if(count($precomputedResults) != count(explode(',', $gift_user_ids)) * $num){
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Log::record('抽奖结果数量与预期数量不一致，请重试！ ('.count($precomputedResults).'): ' . $room_id."【数据】".var_export($precomputedResults, true),"infos-mhzp");
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$expectedCount = count(explode(',', $gift_user_ids)) * $num;
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if(count($precomputedResults) != $expectedCount){
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Log::record('抽奖结果数量与预期数量不一致，请重试！预期: '.$expectedCount.', 实际: '.count($precomputedResults).': ' . $room_id."【数据】".var_export($precomputedResults, true),"infos-mhzp");
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return ['code' => 0, 'msg' => '抽奖结果数量与预期数量不一致，请重试！ ', 'data' => null];
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}
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@@ -210,7 +211,7 @@ class BlindBoxTurntableGiftDraw extends Model
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// 4. 处理奖池重置逻辑
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$needGiftNum = count($toarray) * $num;
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$remaining_available_gifts=[];
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$remaining_available_gifts = [];
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if ($totalRemaining - $needGiftNum <= 0) {
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$remaining_available_gifts = $availableGifts;
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$availableGifts = $this->resetPoolAndReload($bag_data['id'], $room_id, $periods + 1, 0);
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@@ -218,7 +219,7 @@ class BlindBoxTurntableGiftDraw extends Model
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return ['code' => 0, 'msg' => '重置奖池后仍无可用礼物', 'data' => null];
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}
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$totalDrawTimes = 0;
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$num = abs($totalRemaining - $num);
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// 不要修改$num的值，保持原始请求数量
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}
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// 5. 使用Alias Method预计算抽奖结果（O(1)复杂度）
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@@ -267,26 +268,47 @@ class BlindBoxTurntableGiftDraw extends Model
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$roomId,
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$remaining_available_gifts
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) {
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//计算$remaining_available_gifts 里面 remaining_number 的累加
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// 计算剩余礼物总数量
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$remaining_num = 0;
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foreach ($remaining_available_gifts as $key=>$value) {
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foreach ($remaining_available_gifts as $value) {
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$remaining_num += $value['remaining_number'];
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}
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if($remaining_num > $num){
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$availableGifts = $remaining_available_gifts;
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$remaining_available_gifts = [];
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// 如果剩余礼物数量大于请求数量，只使用部分剩余礼物
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if($remaining_num > count($toarray) * $num){
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// 重新构建剩余礼物数组，只取需要的数量
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$temp_remaining = [];
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$need_total = count($toarray) * $num;
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$current_total = 0;
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foreach ($remaining_available_gifts as $key => $value) {
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if ($current_total >= $need_total) break;
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$can_take = min($value['remaining_number'], $need_total - $current_total);
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$temp_remaining[] = [
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'id' => $value['id'],
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'quantity' => $value['quantity'],
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'remaining_number' => $can_take,
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'weight' => $value['weight'],
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'foreign_id' => $value['foreign_id'],
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'gift_bag_id' => $value['gift_bag_id'],
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'gift_bag_detail_id' => $value['gift_bag_detail_id']
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];
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$current_total += $can_take;
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}
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$remaining_available_gifts = $temp_remaining;
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}
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$precomputedResults = [];
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$precomputedResultss = [];
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$giftBagIdToGift = [];
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// 构建Alias表
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$aliasTable = $this->buildAliasTable($availableGifts);
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$remaining_num = 0;
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foreach ($toarray as $giftUserId) {
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// 处理剩余礼物
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if (!empty($remaining_available_gifts)) {
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foreach ($remaining_available_gifts as $key=>$value) {
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$remaining_num += $value['remaining_number'];
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foreach ($remaining_available_gifts as $key => $value) {
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$gift = $giftInfoMap[$value['foreign_id']] ?? null;
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for ($j = 0; $j < $value['remaining_number']; $j++) {
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$precomputedResults[] = [
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@@ -299,27 +321,24 @@ class BlindBoxTurntableGiftDraw extends Model
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];
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$totalDrawTimes++;
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$currentXlhPeriodsNum++;
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}
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unset($remaining_available_gifts[$key]);
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}
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$numm = $num;
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}else{
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$numm = $num+$remaining_num;
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$remaining_available_gifts = []; // 清空剩余礼物
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$numm = $num; // 使用原始请求数量
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} else {
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$numm = $num; // 使用原始请求数量
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}
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// 正常抽奖逻辑
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for ($i = 0; $i < $numm; $i++) {
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// 使用Alias Method选择礼物（O(1)复杂度）
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// 使用Alias Method选择礼物
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$selectedGift = $this->selectGiftWithAliasMethod($aliasTable);
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if (!$selectedGift) {
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return [];
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}
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// 获取礼物信息（从预加载的map中获取，避免查询）
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$giftId = $selectedGift['foreign_id'];
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$gift = $giftInfoMap[$giftId] ?? null;
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// if (!$gift) {
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// continue;
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// }
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$precomputedResults[] = [
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'gift_user_id' => $giftUserId,
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@@ -341,22 +360,12 @@ class BlindBoxTurntableGiftDraw extends Model
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$totalDrawTimes++;
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$currentXlhPeriodsNum++;
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// 更新Alias表（模拟库存减少）
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// 更新Alias表
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$this->updateAliasTable($aliasTable, $selectedGift['id']);
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// 检查巡乐会状态
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if (!empty($xlhExt) && $xlhExt['inlet_bag_id'] == $giftBagId) {
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if ($currentXlhPeriodsNum == $xlhExt['open_condition']['waiting_start_num']) {
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$xlh_is_piao_ping = 1;
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}
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if ($currentXlhPeriodsNum == $xlhExt['open_condition']['start_num']) {
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$xlh_is_piao_ping = 2;
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}
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}
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}
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}
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return ['precomputedResults' => $precomputedResults,'precomputedResultss' => $precomputedResultss];
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return ['precomputedResults' => $precomputedResults, 'precomputedResultss' => $precomputedResultss];
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}
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/**
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