Files
notesnook/packages/core/api/sync/auto-sync.js
2022-08-30 16:17:04 +05:00

72 lines
2.1 KiB
JavaScript

/* This file is part of the Notesnook project (https://notesnook.com/)
*
* Copyright (C) 2022 Streetwriters (Private) Limited
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { checkIsUserPremium, CHECK_IDS, EVENTS } from "../../common";
import { logger } from "../../logger";
export class AutoSync {
/**
*
* @param {import("../index").default} db
* @param {number} interval
*/
constructor(db, interval) {
this.db = db;
this.interval = interval;
this.timeout = null;
this.isAutoSyncing = false;
this.logger = logger.scope("AutoSync");
}
async start() {
this.logger.info(`Auto sync requested`);
if (!(await checkIsUserPremium(CHECK_IDS.databaseSync))) return;
if (this.isAutoSyncing) return;
this.isAutoSyncing = true;
this.databaseUpdatedEvent = this.db.eventManager.subscribeSingle(
EVENTS.databaseUpdated,
this.schedule.bind(this)
);
this.logger.info(`Auto sync started`);
}
stop() {
this.isAutoSyncing = false;
clearTimeout(this.timeout);
if (this.databaseUpdatedEvent) this.databaseUpdatedEvent.unsubscribe();
this.logger.info(`Auto sync stopped`);
}
/**
* @private
*/
schedule(id, item) {
if (item && (item.remote || item.localOnly || item.failed)) return;
clearTimeout(this.timeout);
this.timeout = setTimeout(() => {
this.logger.info(`Sync requested by: ${id}`);
this.db.eventManager.publish(EVENTS.databaseSyncRequested, false, false);
}, this.interval);
}
}