146 lines
4.3 KiB
JavaScript
146 lines
4.3 KiB
JavaScript
/**
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* 缓存管理工具
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*/
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const REWARD_CACHE_KEY = 'reward_cache_v2' // v2: 修复概率精度问题
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const MATCHING_GAME_CACHE_KEY = 'matching_game_cache_v1'
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/**
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* 判断缓存是否新鲜
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* @param {number} timestamp - 缓存时间戳
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* @param {number} ttl - 有效期（毫秒），默认24小时
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* @returns {boolean}
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*/
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export function isFresh(timestamp, ttl = 24 * 60 * 60 * 1000) {
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const now = Date.now()
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const v = Number(timestamp || 0)
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return now - v < ttl
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}
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/**
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* 获取奖励缓存
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* @returns {Object}
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*/
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export function getRewardCache() {
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const obj = uni.getStorageSync(REWARD_CACHE_KEY) || {}
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return typeof obj === 'object' && obj ? obj : {}
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}
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/**
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* 设置奖励缓存
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* @param {string} activityId - 活动ID
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* @param {string} issueId - 期ID
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* @param {any} value - 缓存值
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*/
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export function setRewardCache(activityId, issueId, value) {
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const cache = getRewardCache()
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const act = cache[activityId] || {}
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act[issueId] = { value, ts: Date.now() }
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cache[activityId] = act
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uni.setStorageSync(REWARD_CACHE_KEY, cache)
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}
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/**
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* 获取奖励缓存项
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* @param {string} activityId - 活动ID
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* @param {string} issueId - 期ID
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* @returns {any|null}
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*/
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export function getRewardCacheItem(activityId, issueId) {
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const cache = getRewardCache()
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const act = cache[activityId] || {}
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const c = act[issueId]
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if (c && isFresh(c.ts) && Array.isArray(c.value)) {
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return c.value
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}
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return null
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}
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/**
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* 获取对对碰游戏缓存
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* @returns {Object}
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*/
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export function getMatchingGameCache() {
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const obj = uni.getStorageSync(MATCHING_GAME_CACHE_KEY) || {}
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return typeof obj === 'object' && obj ? obj : {}
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}
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/**
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* 读取对对碰游戏缓存项
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* @param {string} activityId - 活动ID
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* @param {string} issueId - 期ID
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* @returns {Object|null}
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*/
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export function readMatchingGameCacheEntry(activityId, issueId) {
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const activityKey = String(activityId || '')
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const issueKey = String(issueId || '')
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if (!activityKey || !issueKey) return null
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const cache = getMatchingGameCache()
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const act = cache[activityKey] || {}
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const entry = act && act[issueKey]
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const ok = entry && typeof entry === 'object' && entry.game_id
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return ok ? entry : null
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}
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/**
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* 写入对对碰游戏缓存项
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* @param {string} activityId - 活动ID
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* @param {string} issueId - 期ID
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* @param {Object} entry - 缓存数据
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*/
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export function writeMatchingGameCacheEntry(activityId, issueId, entry) {
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const activityKey = String(activityId || '')
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const issueKey = String(issueId || '')
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if (!activityKey || !issueKey) return
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const cache = getMatchingGameCache()
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const act = (cache[activityKey] && typeof cache[activityKey] === 'object') ? cache[activityKey] : {}
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act[issueKey] = entry
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cache[activityKey] = act
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uni.setStorageSync(MATCHING_GAME_CACHE_KEY, cache)
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}
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/**
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* 清除对对碰游戏缓存项
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* @param {string} activityId - 活动ID
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* @param {string} issueId - 期ID
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*/
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export function clearMatchingGameCacheEntry(activityId, issueId) {
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const activityKey = String(activityId || '')
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const issueKey = String(issueId || '')
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const cache = getMatchingGameCache()
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const act = cache[activityKey]
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if (!act || typeof act !== 'object') return
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if (act[issueKey] !== undefined) delete act[issueKey]
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if (Object.keys(act).length === 0) delete cache[activityKey]
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else cache[activityKey] = act
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uni.setStorageSync(MATCHING_GAME_CACHE_KEY, cache)
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}
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/**
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* 查找最新的对对碰游戏缓存
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* @param {string} activityId - 活动ID
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* @returns {Object|null}
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*/
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export function findLatestMatchingGameCacheEntry(activityId) {
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const activityKey = String(activityId || '')
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if (!activityKey) return null
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const cache = getMatchingGameCache()
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const act = cache[activityKey]
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if (!act || typeof act !== 'object') return null
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let bestIssueId = ''
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let bestEntry = null
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let bestTs = -Infinity
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Object.keys(act).forEach(issueId => {
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const entry = act[issueId]
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if (!entry || typeof entry !== 'object' || !entry.game_id) return
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const ts = Number(entry.ts || 0)
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if (!bestEntry || ts > bestTs) {
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bestTs = ts
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bestIssueId = issueId
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bestEntry = entry
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}
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})
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if (!bestEntry) return null
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return { issue_id: bestIssueId, entry: bestEntry }
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}
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