54 lines
1.6 KiB
TypeScript
54 lines
1.6 KiB
TypeScript
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import { copyFileSync, readdirSync, unlinkSync, mkdirSync, existsSync } from 'fs'
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import { join, dirname } from 'path'
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import { fileURLToPath } from 'url'
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import { logger } from '../lib/logger.js'
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const __dirname = dirname(fileURLToPath(import.meta.url))
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const DB_PATH = process.env.DB_PATH || join(__dirname, '..', '..', 'data', 'botfights.db')
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const BACKUP_DIR = join(dirname(DB_PATH), 'backups')
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const MAX_BACKUPS = 7
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/** Create a timestamped backup of the database */
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export function createBackup(): string {
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mkdirSync(BACKUP_DIR, { recursive: true })
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const timestamp = new Date().toISOString().slice(0, 10)
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const backupPath = join(BACKUP_DIR, `botfights-${timestamp}.db`)
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copyFileSync(DB_PATH, backupPath)
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logger.info('backup', `created backup: ${backupPath}`)
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// Rotate: keep only the latest MAX_BACKUPS
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rotateBackups()
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return backupPath
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}
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/** Remove old backups beyond MAX_BACKUPS */
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function rotateBackups(): void {
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if (!existsSync(BACKUP_DIR)) return
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const files = readdirSync(BACKUP_DIR)
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.filter(f => f.startsWith('botfights-') && f.endsWith('.db'))
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.sort()
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.reverse()
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for (let i = MAX_BACKUPS; i < files.length; i++) {
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const path = join(BACKUP_DIR, files[i])
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try {
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unlinkSync(path)
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logger.info('backup', `rotated out: ${files[i]}`)
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} catch { /* ok */ }
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}
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}
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/** Start daily backup timer */
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export function startDailyBackups(): void {
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// Run first backup after 1 minute, then every 24 hours
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setTimeout(() => {
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createBackup()
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setInterval(() => createBackup(), 24 * 60 * 60 * 1000)
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}, 60_000)
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logger.info('backup', 'daily backups scheduled')
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}
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