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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var UserStore = require('../stores/user_store.jsx');
// Also change model/utils.go ETAG_ROOT_VERSION
var BROWSER_STORE_VERSION = '.1';
var _initialized = false;
function _initialize() {
var currentVersion = localStorage.getItem("local_storage_version");
if (currentVersion !== BROWSER_STORE_VERSION) {
localStorage.clear();
sessionStorage.clear();
localStorage.setItem("local_storage_version", BROWSER_STORE_VERSION);
}
_initialized = true;
}
module.exports.setItem = function(name, value) {
if (!_initialized) _initialize();
var user_id = UserStore.getCurrentId();
localStorage.setItem(user_id + "_" + name, value);
};
module.exports.getItem = function(name) {
if (!_initialized) _initialize();
var user_id = UserStore.getCurrentId();
return localStorage.getItem(user_id + "_" + name);
};
module.exports.removeItem = function(name) {
if (!_initialized) _initialize();
var user_id = UserStore.getCurrentId();
localStorage.removeItem(user_id + "_" + name);
};
module.exports.setGlobalItem = function(name, value) {
if (!_initialized) _initialize();
localStorage.setItem(name, value);
};
module.exports.getGlobalItem = function(name) {
if (!_initialized) _initialize();
return localStorage.getItem(name);
};
module.exports.removeGlobalItem = function(name) {
if (!_initialized) _initialize();
localStorage.removeItem(name);
};
module.exports.clear = function() {
localStorage.clear();
sessionStorage.clear();
};
// Preforms the given action on each item that has the given prefix
// Signiture for action is action(key, value)
module.exports.actionOnItemsWithPrefix = function (prefix, action) {
var user_id = UserStore.getCurrentId();
var id_len = user_id.length;
var prefix_len = prefix.length;
for (var key in localStorage) {
if (key.substring(id_len, id_len + prefix_len) === prefix) {
var userkey = key.substring(id_len);
action(userkey, BrowserStore.getItem(key));
}
}
};
module.exports.isLocalStorageSupported = function() {
try {
sessionStorage.setItem("testSession", '1');
sessionStorage.removeItem("testSession");
localStorage.setItem("testLocal", '1');
localStorage.removeItem("testLocal", '1');
return true;
}
catch (e) {
return false;
}
};
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