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78 lines
2.4 KiB
JavaScript
78 lines
2.4 KiB
JavaScript
/*
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This file is part of the Notesnook project (https://notesnook.com/)
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Copyright (C) 2023 Streetwriters (Private) Limited
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { EVENTS } from "../../common";
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import { logger } from "../../logger";
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export class AutoSync {
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/**
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*
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* @param {import("../index").default} db
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* @param {number} interval
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*/
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constructor(db, interval) {
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this.db = db;
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this.interval = interval;
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this.timeout = null;
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this.isAutoSyncing = false;
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this.logger = logger.scope("AutoSync");
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}
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async start() {
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this.logger.info(`Auto sync requested`);
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if (this.isAutoSyncing) return;
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this.isAutoSyncing = true;
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this.databaseUpdatedEvent = this.db.eventManager.subscribeSingle(
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EVENTS.databaseUpdated,
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this.schedule.bind(this)
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);
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this.logger.info(`Auto sync started`);
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}
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stop() {
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this.isAutoSyncing = false;
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clearTimeout(this.timeout);
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if (this.databaseUpdatedEvent) this.databaseUpdatedEvent.unsubscribe();
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this.logger.info(`Auto sync stopped`);
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}
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/**
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* @private
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*/
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schedule(id, item) {
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if (item && (item.remote || item.localOnly || item.failed)) return;
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clearTimeout(this.timeout);
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// auto sync interval must not be 0 to avoid issues
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// during data collection which works based on Date.now().
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// It is required that the dateModified of an item should
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// be a few milliseconds less than Date.now(). Setting sync
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// interval to 0 causes a conflict where Date.now() & dateModified
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// are equal causing the item to not be synced.
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const interval = item && item.type === "tiptap" ? 100 : this.interval;
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this.timeout = setTimeout(() => {
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this.logger.info(`Sync requested by: ${id}`);
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this.db.eventManager.publish(EVENTS.databaseSyncRequested, false, false);
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}, interval);
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}
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}
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