140 lines
4.6 KiB
PHP
140 lines
4.6 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | saiadmin [ saiadmin快速开发框架 ]
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// +----------------------------------------------------------------------
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namespace app\dice\model\reward;
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use plugin\saiadmin\basic\think\BaseModel;
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use support\think\Cache;
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/**
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* 奖励对照模型
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*
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* dice_reward 奖励对照表（主键 id 自增）
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* 唯一约束 (direction, grid_number)，保证每个点数、每个方向各一条；end_index 关联 DiceRewardConfig.id
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*
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* @property $id 主键
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* @property $tier 档位 T1-T5/BIGWIN
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* @property $direction 方向:0=顺时针,1=逆时针
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* @property $end_index 结束索引（DiceRewardConfig.id）
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* @property $weight 权重 1-10000，档位内按权重比抽取
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* @property $grid_number 色子点数(摇取值)
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* @property $start_index 起始索引(DiceRewardConfig.id)
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* @property $ui_text 显示文本(来自config)
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* @property $real_ev 实际中奖金额(来自config)
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* @property $remark 备注(来自config)
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* @property $type 奖励类型(来自config)
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*/
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class DiceReward extends BaseModel
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{
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/** 方向：顺时针 */
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public const DIRECTION_CLOCKWISE = 0;
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/** 方向：逆时针 */
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public const DIRECTION_COUNTERCLOCKWISE = 1;
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/** 缓存键：奖励对照实例 */
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private const CACHE_KEY_INSTANCE = 'dice:reward:instance';
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private const CACHE_TTL = 86400 * 30;
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private static ?array $instance = null;
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protected $table = 'dice_reward';
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/** 主键 id 自增，唯一约束 (direction, grid_number) */
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protected $pk = 'id';
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/**
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* 获取奖励对照实例（按档位+方向索引，用于抽奖与权重配比）
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* @return array{list: array, by_tier_direction: array}
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*/
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public static function getCachedInstance(): array
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{
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if (self::$instance !== null) {
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return self::$instance;
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}
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$instance = Cache::get(self::CACHE_KEY_INSTANCE);
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if ($instance !== null && is_array($instance)) {
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self::$instance = $instance;
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return $instance;
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}
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self::refreshCache();
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$instance = Cache::get(self::CACHE_KEY_INSTANCE);
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self::$instance = is_array($instance) ? $instance : self::buildEmptyInstance();
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return self::$instance;
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}
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/**
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* 按档位+方向取权重列表（用于抽奖：该档位该方向下 end_index => weight）
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* @return array<int, int> end_index => weight
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*/
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public static function getCachedByTierAndDirection(string $tier, int $direction): array
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{
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$inst = self::getCachedInstance();
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$byTierDirection = $inst['by_tier_direction'] ?? [];
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$list = $byTierDirection[$tier][$direction] ?? [];
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$result = [];
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foreach ($list as $row) {
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$endIndex = isset($row['end_index']) ? (int) $row['end_index'] : 0;
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$weight = isset($row['weight']) ? (int) $row['weight'] : 1;
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$result[$endIndex] = $weight;
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}
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return $result;
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}
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/**
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* 重新从数据库加载并写入缓存；修改/新增/删除后需调用以实例化
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*/
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public static function refreshCache(): void
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{
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$list = (new self())->order('tier')->order('direction')->order('end_index')->select()->toArray();
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$byTierDirection = [];
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foreach ($list as $row) {
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$tier = isset($row['tier']) ? (string) $row['tier'] : '';
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$direction = isset($row['direction']) ? (int) $row['direction'] : 0;
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if ($tier !== '') {
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if (!isset($byTierDirection[$tier])) {
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$byTierDirection[$tier] = [0 => [], 1 => []];
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}
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if (!isset($byTierDirection[$tier][$direction])) {
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$byTierDirection[$tier][$direction] = [];
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}
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$byTierDirection[$tier][$direction][] = $row;
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}
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}
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self::$instance = [
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'list' => $list,
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'by_tier_direction' => $byTierDirection,
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];
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Cache::set(self::CACHE_KEY_INSTANCE, self::$instance, self::CACHE_TTL);
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}
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private static function buildEmptyInstance(): array
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{
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return [
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'list' => [],
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'by_tier_direction' => [],
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];
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}
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public static function clearRequestInstance(): void
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{
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self::$instance = null;
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}
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public static function onAfterInsert($model): void
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{
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self::refreshCache();
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}
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public static function onAfterUpdate($model): void
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{
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self::refreshCache();
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}
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public static function onAfterDelete($model): void
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{
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self::refreshCache();
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}
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}
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