mirror of
https://github.com/streetwriters/notesnook.git
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577d50b512
this is better design wise as we won't have to keep checking if the indices have been migrated or not. We'll just check the database version and do the appropriate migrations based on that.
99 lines
2.3 KiB
JavaScript
99 lines
2.3 KiB
JavaScript
/*
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This file is part of the Notesnook project (https://notesnook.com/)
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Copyright (C) 2022 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 Storage from "./storage";
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export default class Indexer extends Storage {
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constructor(storage, type) {
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super(storage);
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this.type = type;
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this.indices = [];
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}
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async init() {
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this.indices = (await super.read(this.type, true)) || [];
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}
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exists(key) {
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return this.indices.includes(key);
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}
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async index(key) {
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if (this.exists(key)) return;
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this.indices.push(key);
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await super.write(this.type, this.indices);
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}
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getIndices() {
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return this.indices;
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}
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async deindex(key) {
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if (!this.exists(key)) return;
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this.indices.splice(this.indices.indexOf(key), 1);
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await super.write(this.type, this.indices);
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}
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async clear() {
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this.indices = [];
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await super.clear();
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}
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read(key, isArray = false) {
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return super.read(this.makeId(key), isArray);
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}
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write(key, data) {
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return super.write(this.makeId(key), data);
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}
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remove(key) {
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return super.remove(this.makeId(key));
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}
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async readMulti(keys) {
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const entries = await super.readMulti(keys.map(this.makeId));
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entries.forEach((entry) => {
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entry[0] = entry[0].replace(`_${this.type}`, "");
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});
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return entries;
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}
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async migrateIndices() {
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const keys = (await super.getAllKeys()).filter(
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(key) => !key.endsWith(`_${this.type}`) && this.exists(key)
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);
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for (const id of keys) {
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const item = await super.read(id);
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if (!item) continue;
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await this.write(id, item);
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}
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// remove old ids once they have been moved
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for (const id of keys) {
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await super.remove(id);
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}
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}
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makeId = (id) => {
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return `${id}_${this.type}`;
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};
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}
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