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