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https://github.com/hicccc77/WeFlow.git
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feat(export): improve count accuracy and include pending updates
This commit is contained in:
tisonhuang
204
electron/services/groupMyMessageCountCacheService.ts
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204
electron/services/groupMyMessageCountCacheService.ts
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@@ -0,0 +1,204 @@
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import { join, dirname } from 'path'
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import { existsSync, mkdirSync, readFileSync, writeFileSync, rmSync } from 'fs'
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import { ConfigService } from './config'
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const CACHE_VERSION = 1
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const MAX_GROUP_ENTRIES_PER_SCOPE = 3000
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const MAX_SCOPE_ENTRIES = 12
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export interface GroupMyMessageCountCacheEntry {
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updatedAt: number
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messageCount: number
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}
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interface GroupMyMessageCountScopeMap {
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[chatroomId: string]: GroupMyMessageCountCacheEntry
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}
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interface GroupMyMessageCountCacheStore {
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version: number
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scopes: Record<string, GroupMyMessageCountScopeMap>
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}
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function toNonNegativeInt(value: unknown): number | undefined {
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if (typeof value !== 'number' || !Number.isFinite(value)) return undefined
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return Math.max(0, Math.floor(value))
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}
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function normalizeEntry(raw: unknown): GroupMyMessageCountCacheEntry | null {
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if (!raw || typeof raw !== 'object') return null
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const source = raw as Record<string, unknown>
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const updatedAt = toNonNegativeInt(source.updatedAt)
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const messageCount = toNonNegativeInt(source.messageCount)
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if (updatedAt === undefined || messageCount === undefined) return null
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return {
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updatedAt,
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messageCount
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}
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}
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export class GroupMyMessageCountCacheService {
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private readonly cacheFilePath: string
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private store: GroupMyMessageCountCacheStore = {
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version: CACHE_VERSION,
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scopes: {}
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}
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constructor(cacheBasePath?: string) {
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const basePath = cacheBasePath && cacheBasePath.trim().length > 0
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? cacheBasePath
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: ConfigService.getInstance().getCacheBasePath()
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this.cacheFilePath = join(basePath, 'group-my-message-counts.json')
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this.ensureCacheDir()
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this.load()
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}
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private ensureCacheDir(): void {
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const dir = dirname(this.cacheFilePath)
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if (!existsSync(dir)) {
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mkdirSync(dir, { recursive: true })
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}
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}
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private load(): void {
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if (!existsSync(this.cacheFilePath)) return
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try {
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const raw = readFileSync(this.cacheFilePath, 'utf8')
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const parsed = JSON.parse(raw) as unknown
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if (!parsed || typeof parsed !== 'object') {
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this.store = { version: CACHE_VERSION, scopes: {} }
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return
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}
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const payload = parsed as Record<string, unknown>
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const scopesRaw = payload.scopes
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if (!scopesRaw || typeof scopesRaw !== 'object') {
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this.store = { version: CACHE_VERSION, scopes: {} }
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return
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}
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const scopes: Record<string, GroupMyMessageCountScopeMap> = {}
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for (const [scopeKey, scopeValue] of Object.entries(scopesRaw as Record<string, unknown>)) {
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if (!scopeValue || typeof scopeValue !== 'object') continue
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const normalizedScope: GroupMyMessageCountScopeMap = {}
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for (const [chatroomId, entryRaw] of Object.entries(scopeValue as Record<string, unknown>)) {
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const entry = normalizeEntry(entryRaw)
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if (!entry) continue
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normalizedScope[chatroomId] = entry
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}
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if (Object.keys(normalizedScope).length > 0) {
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scopes[scopeKey] = normalizedScope
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}
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}
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this.store = {
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version: CACHE_VERSION,
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scopes
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}
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} catch (error) {
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console.error('GroupMyMessageCountCacheService: 载入缓存失败', error)
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this.store = { version: CACHE_VERSION, scopes: {} }
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}
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}
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get(scopeKey: string, chatroomId: string): GroupMyMessageCountCacheEntry | undefined {
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if (!scopeKey || !chatroomId) return undefined
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const scope = this.store.scopes[scopeKey]
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if (!scope) return undefined
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const entry = normalizeEntry(scope[chatroomId])
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if (!entry) {
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delete scope[chatroomId]
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if (Object.keys(scope).length === 0) {
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delete this.store.scopes[scopeKey]
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}
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this.persist()
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return undefined
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}
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return entry
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}
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set(scopeKey: string, chatroomId: string, entry: GroupMyMessageCountCacheEntry): void {
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if (!scopeKey || !chatroomId) return
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const normalized = normalizeEntry(entry)
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if (!normalized) return
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if (!this.store.scopes[scopeKey]) {
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this.store.scopes[scopeKey] = {}
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}
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const existing = this.store.scopes[scopeKey][chatroomId]
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if (existing && existing.updatedAt > normalized.updatedAt) {
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return
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}
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this.store.scopes[scopeKey][chatroomId] = normalized
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this.trimScope(scopeKey)
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this.trimScopes()
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this.persist()
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}
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delete(scopeKey: string, chatroomId: string): void {
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if (!scopeKey || !chatroomId) return
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const scope = this.store.scopes[scopeKey]
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if (!scope) return
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if (!(chatroomId in scope)) return
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delete scope[chatroomId]
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if (Object.keys(scope).length === 0) {
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delete this.store.scopes[scopeKey]
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}
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this.persist()
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}
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clearScope(scopeKey: string): void {
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if (!scopeKey) return
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if (!this.store.scopes[scopeKey]) return
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delete this.store.scopes[scopeKey]
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this.persist()
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}
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clearAll(): void {
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this.store = { version: CACHE_VERSION, scopes: {} }
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try {
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rmSync(this.cacheFilePath, { force: true })
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} catch (error) {
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console.error('GroupMyMessageCountCacheService: 清理缓存失败', error)
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}
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}
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private trimScope(scopeKey: string): void {
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const scope = this.store.scopes[scopeKey]
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if (!scope) return
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const entries = Object.entries(scope)
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if (entries.length <= MAX_GROUP_ENTRIES_PER_SCOPE) return
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entries.sort((a, b) => b[1].updatedAt - a[1].updatedAt)
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const trimmed: GroupMyMessageCountScopeMap = {}
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for (const [chatroomId, entry] of entries.slice(0, MAX_GROUP_ENTRIES_PER_SCOPE)) {
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trimmed[chatroomId] = entry
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}
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this.store.scopes[scopeKey] = trimmed
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}
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private trimScopes(): void {
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const scopeEntries = Object.entries(this.store.scopes)
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if (scopeEntries.length <= MAX_SCOPE_ENTRIES) return
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scopeEntries.sort((a, b) => {
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const aUpdatedAt = Math.max(...Object.values(a[1]).map((entry) => entry.updatedAt), 0)
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const bUpdatedAt = Math.max(...Object.values(b[1]).map((entry) => entry.updatedAt), 0)
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return bUpdatedAt - aUpdatedAt
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})
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const trimmedScopes: Record<string, GroupMyMessageCountScopeMap> = {}
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for (const [scopeKey, scopeMap] of scopeEntries.slice(0, MAX_SCOPE_ENTRIES)) {
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trimmedScopes[scopeKey] = scopeMap
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}
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this.store.scopes = trimmedScopes
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}
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private persist(): void {
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try {
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writeFileSync(this.cacheFilePath, JSON.stringify(this.store), 'utf8')
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} catch (error) {
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console.error('GroupMyMessageCountCacheService: 保存缓存失败', error)
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}
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}
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}
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