92 lines
3.3 KiB
TypeScript
92 lines
3.3 KiB
TypeScript
/**
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* Système d'invitations
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*/
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import fs from 'fs'
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import path from 'path'
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import crypto from 'crypto'
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import { DATA_DIR } from './config.js'
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import { logger } from './logger.js'
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export interface Invite {
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code : string
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createdBy: string // userId de l'admin
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createdAt: string
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expiresAt: string | null // null = pas d'expiration
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maxUses : number | null // null = utilisations illimitées
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uses : number
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note? : string
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}
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const INVITES_PATH = path.join(DATA_DIR, 'invites.json')
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// ── Helpers fichier ───────────────────────────────────────────
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export function readInvites(): Invite[] {
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try {
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if (!fs.existsSync(INVITES_PATH)) return []
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return JSON.parse(fs.readFileSync(INVITES_PATH, 'utf-8')) as Invite[]
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} catch { return [] }
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}
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function writeInvites(invites: Invite[]): void {
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fs.mkdirSync(path.dirname(INVITES_PATH), { recursive: true })
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fs.writeFileSync(INVITES_PATH, JSON.stringify(invites, null, 2))
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}
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// ── CRUD ──────────────────────────────────────────────────────
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export function createInvite(opts: {
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createdBy: string
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expiresInHours?: number | null
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maxUses?: number | null
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note?: string
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}): Invite {
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const invite: Invite = {
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code : crypto.randomBytes(16).toString('hex'),
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createdBy: opts.createdBy,
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createdAt: new Date().toISOString(),
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expiresAt: opts.expiresInHours
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? new Date(Date.now() + opts.expiresInHours * 3_600_000).toISOString()
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: null,
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maxUses : opts.maxUses === undefined ? 1 : opts.maxUses, // null = illimité
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uses : 0,
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note : opts.note,
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}
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writeInvites([...readInvites(), invite])
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logger.info('invites', `Invitation créée : ${invite.code.slice(0, 8)}… (maxUses: ${invite.maxUses ?? '∞'}, expire: ${invite.expiresAt ?? 'jamais'})`)
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return invite
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}
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export function deleteInvite(code: string): void {
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const invites = readInvites()
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if (!invites.find(i => i.code === code)) throw new Error('Invitation introuvable')
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writeInvites(invites.filter(i => i.code !== code))
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}
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export function findInvite(code: string): Invite | undefined {
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return readInvites().find(i => i.code === code)
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}
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/** Vérifie si un code est valide (non expiré, non épuisé) */
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export function validateInvite(code: string): { valid: true; invite: Invite } | { valid: false; reason: string } {
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const invite = findInvite(code)
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if (!invite) return { valid: false, reason: 'Code d\'invitation invalide' }
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if (invite.expiresAt && new Date(invite.expiresAt) < new Date()) {
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return { valid: false, reason: 'Ce lien d\'invitation a expiré' }
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}
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if (invite.maxUses !== null && invite.uses >= invite.maxUses) {
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return { valid: false, reason: 'Ce lien d\'invitation a atteint son nombre maximum d\'utilisations' }
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}
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return { valid: true, invite }
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}
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/** Incrémente le compteur d'utilisations */
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export function consumeInvite(code: string): void {
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const invites = readInvites()
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const invite = invites.find(i => i.code === code)
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if (!invite) return
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invite.uses++
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writeInvites(invites)
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}
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