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Code Issues Activity

fix: correct return type of try lock

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This commit is contained in:
Jonathan Jogenfors 2024-02-29 20:50:17 +01:00
parent e7f2c25a1d
commit 1764f8cf15
2 changed files with 8 additions and 4 deletions
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9
server/src/domain/library/library.service.ts
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@ -45,6 +45,7 @@ export class LibraryService extends EventEmitter {
private access: AccessCore;
private configCore: SystemConfigCore;
private watchLibraries = false;
private watchLock = false;
private watchers: Record<string, () => void> = {};
constructor(
@ -73,11 +74,13 @@ export class LibraryService extends EventEmitter {
const config = await this.configCore.getConfig();
const { watch, scan } = config.library;
this.watchLibraries = false;
if (watch.enabled) {
// This ensures that library watching only occurs in one microservice
// TODO: we could make the lock be per-library instead of global
this.watchLibraries = await this.databaseRepository.tryLock(DatabaseLock.LibraryWatch);
this.watchLock = await this.databaseRepository.tryLock(DatabaseLock.LibraryWatch);
this.watchLibraries = this.watchLock;
}
this.jobRepository.addCronJob(
'libraryScan',
@ -93,7 +96,7 @@ export class LibraryService extends EventEmitter {
this.configCore.config$.subscribe(async ({ library }) => {
this.jobRepository.updateCronJob('libraryScan', library.scan.cronExpression, library.scan.enabled);
if (library.watch.enabled !== this.watchLibraries) {
if (this.watchLock && library.watch.enabled !== this.watchLibraries) {
this.watchLibraries = library.watch.enabled;
await (this.watchLibraries ? this.watchAll() : this.unwatchAll());
}

3
server/src/infra/repositories/database.repository.ts
View file

@ -228,7 +228,8 @@ export class DatabaseRepository implements IDatabaseRepository {
}
private async acquireTryLock(lock: DatabaseLock, queryRunner: QueryRunner): Promise<boolean> {
return queryRunner.query('SELECT pg_try_advisory_lock($1)', [lock]);
const lockResult = await queryRunner.query('SELECT pg_try_advisory_lock($1)', [lock]);
return lockResult[0].pg_try_advisory_lock;
}
private async releaseLock(lock: DatabaseLock, queryRunner: QueryRunner): Promise<void> {