92 lines
2 KiB
JavaScript
92 lines
2 KiB
JavaScript
/* global Backbone, Whisper */
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/* eslint-disable more/no-then */
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// eslint-disable-next-line func-names
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(function() {
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'use strict';
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window.Whisper = window.Whisper || {};
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const Item = Backbone.Model.extend({
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database: Whisper.Database,
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storeName: 'items',
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});
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const ItemCollection = Backbone.Collection.extend({
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model: Item,
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storeName: 'items',
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database: Whisper.Database,
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});
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let ready = false;
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const items = new ItemCollection();
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items.on('reset', () => {
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ready = true;
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});
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window.legacyStorage = {
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/** ***************************
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*** Base Storage Routines ***
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**************************** */
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put(key, value) {
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if (value === undefined) {
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throw new Error('Tried to store undefined');
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}
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if (!ready) {
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window.log.warn(
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'Called storage.put before storage is ready. key:',
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key
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);
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}
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const item = items.add({ id: key, value }, { merge: true });
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return new Promise((resolve, reject) => {
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item.save().then(resolve, reject);
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});
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},
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get(key, defaultValue) {
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const item = items.get(`${key}`);
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if (!item) {
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return defaultValue;
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}
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return item.get('value');
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},
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remove(key) {
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const item = items.get(`${key}`);
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if (item) {
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items.remove(item);
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return new Promise((resolve, reject) => {
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item.destroy().then(resolve, reject);
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});
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}
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return Promise.resolve();
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},
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onready(callback) {
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if (ready) {
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callback();
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} else {
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items.on('reset', callback);
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}
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},
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fetch() {
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return new Promise((resolve, reject) => {
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items
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.fetch({ reset: true })
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.fail(() =>
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reject(
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new Error(
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'Failed to fetch from storage.' +
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' This may be due to an unexpected database version.'
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)
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)
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)
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.always(resolve);
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});
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},
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reset() {
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items.reset();
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},
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};
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})();
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