75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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;(function() {
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'use strict';
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window.Whisper = window.Whisper || {};
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var 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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var 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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var ready = false;
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var items = new ItemCollection();
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items.on('reset', function() { ready = true; });
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window.storage = {
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/*****************************
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*** Base Storage Routines ***
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*****************************/
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put: function(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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console.log('Called storage.put before storage is ready. key:', key);
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}
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var item = items.add({id: key, value: value}, {merge: true});
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return new Promise(function(resolve, reject) {
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item.save().then(resolve, reject);
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});
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},
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get: function(key, defaultValue) {
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var 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: function(key) {
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var item = items.get("" + key);
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if (item) {
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items.remove(item);
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return new Promise(function(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: function(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: function() {
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return new Promise(function(resolve) {
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items.fetch({reset: true}).fail(function() {
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console.log('Failed to fetch from storage');
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}).always(resolve);
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});
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}
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};
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window.textsecure = window.textsecure || {};
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window.textsecure.storage = window.textsecure.storage || {};
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window.textsecure.storage.impl = window.storage;
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})();
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