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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
function getPrefix() {
if (global.window.mm_user) {
return global.window.mm_user.id + '_';
}
return 'unknown_';
}
class BrowserStoreClass {
constructor() {
this.getItem = this.getItem.bind(this);
this.setItem = this.setItem.bind(this);
this.removeItem = this.removeItem.bind(this);
this.setGlobalItem = this.setGlobalItem.bind(this);
this.getGlobalItem = this.getGlobalItem.bind(this);
this.removeGlobalItem = this.removeGlobalItem.bind(this);
this.actionOnItemsWithPrefix = this.actionOnItemsWithPrefix.bind(this);
this.actionOnGlobalItemsWithPrefix = this.actionOnGlobalItemsWithPrefix.bind(this);
this.isLocalStorageSupported = this.isLocalStorageSupported.bind(this);
this.getLastServerVersion = this.getLastServerVersion.bind(this);
this.setLastServerVersion = this.setLastServerVersion.bind(this);
this.clear = this.clear.bind(this);
var currentVersion = sessionStorage.getItem('storage_version');
if (currentVersion !== global.window.mm_config.Version) {
sessionStorage.clear();
sessionStorage.setItem('storage_version', global.window.mm_config.Version);
}
}
getItem(name, defaultValue) {
var result = null;
try {
result = JSON.parse(sessionStorage.getItem(getPrefix() + name));
} catch (err) {
result = null;
}
if (result === null && typeof defaultValue !== 'undefined') {
result = defaultValue;
}
return result;
}
setItem(name, value) {
sessionStorage.setItem(getPrefix() + name, JSON.stringify(value));
}
removeItem(name) {
sessionStorage.removeItem(getPrefix() + name);
}
setGlobalItem(name, value) {
try {
if (this.isLocalStorageSupported()) {
localStorage.setItem(name, JSON.stringify(value));
} else {
sessionStorage.setItem(name, JSON.stringify(value));
}
} catch (err) {
console.log('An error occurred while setting local storage, clearing all props'); //eslint-disable-line no-console
localStorage.clear();
window.location.href = window.location.href;
}
}
getGlobalItem(name, defaultValue) {
var result = null;
try {
if (this.isLocalStorageSupported()) {
result = JSON.parse(localStorage.getItem(name));
} else {
result = JSON.parse(sessionStorage.getItem(name));
}
} catch (err) {
result = null;
}
if (result === null && typeof defaultValue !== 'undefined') {
result = defaultValue;
}
return result;
}
removeGlobalItem(name) {
if (this.isLocalStorageSupported()) {
localStorage.removeItem(name);
} else {
sessionStorage.removeItem(name);
}
}
getLastServerVersion() {
return sessionStorage.getItem('last_server_version');
}
setLastServerVersion(version) {
sessionStorage.setItem('last_server_version', version);
}
/**
* Preforms the given action on each item that has the given prefix
* Signature for action is action(key, value)
*/
actionOnGlobalItemsWithPrefix(prefix, action) {
var globalPrefix = getPrefix();
var globalPrefixiLen = globalPrefix.length;
for (var key in localStorage) {
if (key.lastIndexOf(globalPrefix + prefix, 0) === 0) {
var userkey = key.substring(globalPrefixiLen);
action(userkey, this.getGlobalItem(key));
}
}
}
actionOnItemsWithPrefix(prefix, action) {
var globalPrefix = getPrefix();
var globalPrefixiLen = globalPrefix.length;
for (var key in sessionStorage) {
if (key.lastIndexOf(globalPrefix + prefix, 0) === 0) {
var userkey = key.substring(globalPrefixiLen);
action(userkey, this.getGlobalItem(key));
}
}
}
clear() {
sessionStorage.clear();
}
isLocalStorageSupported() {
try {
sessionStorage.setItem('testSession', '1');
sessionStorage.removeItem('testSession');
localStorage.setItem('testLocal', '1');
if (localStorage.getItem('testLocal') !== '1') {
return false;
}
localStorage.removeItem('testLocal', '1');
return true;
} catch (e) {
return false;
}
}
}
var BrowserStore = new BrowserStoreClass();
export default BrowserStore;
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