Files
FanKarr/server/lib/github-cache.ts
T

66 lines
2.1 KiB
TypeScript

import { DATA_DIR } from '../config.js'
import path from 'path'
import fs from 'fs'
const GITHUB_BASE = process.env.GITHUB_BASE
?? 'https://raw.githubusercontent.com/masutayunikon/fankarr-scraper/main'
const CACHE_TTL_MS = 6 * 60 * 60 * 1000
interface CacheEntry<T> { data: T; expiresAt: number }
const _cache = new Map<string, CacheEntry<any>>()
export function cacheGet<T>(key: string): T | null {
const entry = _cache.get(key)
if (!entry) return null
if (Date.now() > entry.expiresAt) { _cache.delete(key); return null }
return entry.data as T
}
export function cacheSet<T>(key: string, data: T): void {
_cache.set(key, { data, expiresAt: Date.now() + CACHE_TTL_MS })
}
export function cacheClear(): void { _cache.clear() }
export function cacheSize(): number { return _cache.size }
export async function githubGet(urlPath: string): Promise<any> {
const cached = cacheGet(urlPath)
if (cached) return cached
const res = await fetch(`${GITHUB_BASE}/${urlPath}`)
if (!res.ok) throw new Error(`GitHub ${res.status}: ${urlPath}`)
const data = await res.json()
cacheSet(urlPath, data)
return data
}
export async function readAvailable(): Promise<number[]> {
try { return await githubGet('available.json') as number[] }
catch { return [] }
}
export async function readInfohashMap(): Promise<Record<string, string>> {
try { return await githubGet('infohash_map.json') as Record<string, string> }
catch { return {} }
}
export async function readSerieData(serieId: number): Promise<any | null> {
try { return await githubGet(`series/${serieId}.json`) }
catch { return null }
}
export async function loadEnrichedSeriesData(): Promise<any[]> {
const ids = await readAvailable()
const allSd = await Promise.all(ids.map(id => readSerieData(id)))
return allSd.filter(Boolean)
}
export function loadOrganized(): Record<string, Record<string, any>> {
try {
const p = path.join(DATA_DIR, 'organized.json')
if (fs.existsSync(p)) return JSON.parse(fs.readFileSync(p, 'utf-8'))
} catch {}
return {}
}