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kaiwa/clientapp/storage/disco.js
2013-08-29 22:37:24 -07:00

47 lines
1.0 KiB
JavaScript

"use strict";
function DiscoStorage(storage) {
this.storage = storage;
}
DiscoStorage.prototype = {
constructor: {
value: DiscoStorage
},
setup: function (db) {
db.createObjectStore('disco', {
keyPath: 'ver'
});
},
transaction: function (mode) {
var trans = this.storage.db.transaction('disco', mode);
return trans.objectStore('disco');
},
add: function (ver, disco, cb) {
cb = cb || function () {};
var data = {
ver: ver,
disco: disco
};
},
get: function (ver, cb) {
cb = cb || function () {};
if (!ver) {
return cb('not-found');
}
var request = this.transaction('readonly').get(ver);
request.onsuccess = function (e) {
var res = request.result;
if (res === undefined) {
return cb('not-found');
}
cb(false, res.disco);
};
request.onerror = cb;
}
};
module.exports = DiscoStorage;