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Added scanner log purging.

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It'll use whatever value is set in the database/default to 2.

I noticed this was making sure the scan dir exists, but `LogManager.js`
should already do that. Since it's not hurting anything I'll flip it to
use `fs.ensureDir`.
This commit is contained in:
sir-wilhelm 2026-01-27 22:16:12 -06:00
parent 122fc34a75
commit 8f8acc2271
1 changed files with 39 additions and 3 deletions
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42
server/scanner/LibraryScan.js
View file

@ -30,6 +30,10 @@ class LibraryScan {
this.logs = []
}
get loggerScannerLogsToKeep() {
return global.ServerSettings?.loggerScannerLogsToKeep || 2
}
get libraryId() {
return this.library.id
}
@ -125,9 +129,7 @@ class LibraryScan {
async saveLog() {
const scanLogDir = Path.join(global.MetadataPath, 'logs', 'scans')
if (!(await fs.pathExists(scanLogDir))) {
await fs.mkdir(scanLogDir)
}
await fs.ensureDir(scanLogDir)
const outputPath = Path.join(scanLogDir, this.logFilename)
const logLines = [JSON.stringify(this.toJSON())]
@ -137,6 +139,40 @@ class LibraryScan {
await fs.writeFile(outputPath, logLines.join('\n') + '\n')
Logger.info(`[LibraryScan] Scan log saved "${outputPath}"`)
await this.purgeOldScanLogs(scanLogDir)
}
/**
* Keep the most recent N scan logs in metadata/logs/scans.
* Where N is the server setting `loggerScannerLogsToKeep`.
*
* @param {string} scanLogDir
*/
async purgeOldScanLogs(scanLogDir) {
const scanLogsToKeep = this.loggerScannerLogsToKeep
let scanFiles
try {
scanFiles = await fs.readdir(scanLogDir)
} catch (error) {
Logger.warn(`[LibraryScan] Failed to read scan log dir "${scanLogDir}": ${error.message}`)
return
}
const scanLogFiles = (scanFiles || []).filter((f) => Path.extname(f) === '.txt').sort()
if (scanLogFiles.length <= scanLogsToKeep) return
const filesToRemove = scanLogFiles.slice(0, scanLogFiles.length - scanLogsToKeep)
for (const file of filesToRemove) {
const fullPath = Path.join(scanLogDir, file)
try {
await fs.unlink(fullPath)
Logger.info(`[LibraryScan] Removed scan log "${fullPath}"`)
} catch (error) {
Logger.warn(`[LibraryScan] Failed to remove scan log "${fullPath}": ${error.message}`)
}
}
}
}
module.exports = LibraryScan