67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
"use strict";
|
|
|
|
// SCHEMA
|
|
// jid: 'string',
|
|
// ver: 'string'
|
|
|
|
|
|
function RosterVerStorage(storage) {
|
|
this.storage = storage;
|
|
}
|
|
|
|
RosterVerStorage.prototype = {
|
|
constructor: {
|
|
value: RosterVerStorage
|
|
},
|
|
setup: function (db) {
|
|
if (db.objectStoreNames.contains('rosterver')) {
|
|
db.deleteObjectStore('rosterver');
|
|
}
|
|
db.createObjectStore('rosterver', {
|
|
keyPath: 'jid'
|
|
});
|
|
},
|
|
transaction: function (mode) {
|
|
var trans = this.storage.db.transaction('rosterver', mode);
|
|
return trans.objectStore('rosterver');
|
|
},
|
|
set: function (jid, ver, cb) {
|
|
cb = cb || function () {};
|
|
var data = {
|
|
jid: jid,
|
|
ver: ver
|
|
};
|
|
var request = this.transaction('readwrite').put(data);
|
|
request.onsuccess = function () {
|
|
cb(false, data);
|
|
};
|
|
request.onerror = cb;
|
|
},
|
|
get: function (jid, cb) {
|
|
cb = cb || function () {};
|
|
if (!jid) {
|
|
return cb('not-found');
|
|
}
|
|
var request = this.transaction('readonly').get(jid);
|
|
request.onsuccess = function (e) {
|
|
var res = request.result;
|
|
if (res === undefined) {
|
|
return cb('not-found');
|
|
}
|
|
cb(false, request.result);
|
|
};
|
|
request.onerror = cb;
|
|
},
|
|
remove: function (jid, cb) {
|
|
cb = cb || function () {};
|
|
var request = this.transaction('readwrite')['delete'](id);
|
|
request.onsuccess = function (e) {
|
|
cb(false, request.result);
|
|
};
|
|
request.onerror = cb;
|
|
}
|
|
};
|
|
|
|
|
|
module.exports = RosterVerStorage;
|