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notesnook/packages/core/collections/collection.js
2023-01-16 13:48:28 +05:00

76 lines
2.1 KiB
JavaScript

/*
This file is part of the Notesnook project (https://notesnook.com/)
Copyright (C) 2023 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 { EV, EVENTS } from "../common";
import CachedCollection from "../database/cached-collection";
import IndexedCollection from "../database/indexed-collection";
class Collection {
static async new(db, name, cached = true, deferred = false) {
const collection = new this(db, name, cached);
if (!deferred) await collection.init();
else await collection._collection.indexer.init();
if (collection._collection.clear)
EV.subscribe(
EVENTS.userLoggedOut,
async () => await collection._collection.clear()
);
return collection;
}
async init() {
if (this.initialized) return;
await this._collection.init();
EV.publish(EVENTS.databaseCollectionInitiated, this.collectionName);
this.initialized = true;
}
/**
*
* @param {import("../api").default} db
*/
constructor(db, name, cached) {
this._db = db;
this.collectionName = name;
if (cached)
this._collection = new CachedCollection(
this._db.storage,
name,
this._db.eventManager
);
else
this._collection = new IndexedCollection(
this._db.storage,
name,
this._db.eventManager
);
}
async encrypted() {
const data = await this._collection.indexer.readMulti(
this._collection.indexer.getIndices()
);
return data.map((d) => d[1]);
}
}
export default Collection;