Offline login caching
- Ray Pearce (Unlicensed)
Owned by Ray Pearce (Unlicensed)
This sample code demonstrates how to achieve offline login caching in an answerSpace.
Script Tag in Logout Interaction Message
goBackToHome();
if (navigator && navigator.bgcachereset && navigator.onLine) {
navigator.bgcachereset.resetCache();
}
Script Tag inside HTML Head
$(document).ready(function() {
var oldRequestLoginStatus = requestLoginStatus;
var newRequestLoginStatus = function() {
if (window && window.device) {
var deferred = new $.Deferred();
if(navigator.connection.type === Connection.NONE || navigator.connection.type === Connection.UNKNOWN){
var deferred = new $.Deferred();
//get the account details from device storage
$.when(MyAnswers.store.get('offline_loggedinUser'), MyAnswers.store.get('offline_isLoggedIn'))
.done(function(value, val2) {
var loggedinUser = JSON.parse(value);
var isLoggedIn = JSON.parse(val2);
if (loggedinUser != null) {
MyAnswers.loginAccount = loggedinUser;
MyAnswers.isLoggedIn = isLoggedIn;
}
updateLoginButtons();
deferred.resolve();
});
}
else {
$.ajax({
url: siteVars.serverAppPath + '/xhr/GetLogin.php',
dataType: 'json',
complete: function(xhr, xhrStatus) {
if (isAJAXError(xhrStatus) || xhr.status !== 200) {
deferred.reject();
return;
}
var data = $.parseJSON(xhr.responseText);
if (data) {
if (data.status === 'LOGGED IN') {
MyAnswers.loginAccount = data;
MyAnswers.isLoggedIn = true;
//store the cached response
MyAnswers.store.set('offline_loggedinUser', JSON.stringify(data));
MyAnswers.store.set('offline_isLoggedIn', JSON.stringify(true));
} else {
MyAnswers.isLoggedIn = false;
delete MyAnswers.loginAccount;
//store the cached response
MyAnswers.store.remove('offline_loggedinUser');
MyAnswers.store.remove('offline_isLoggedIn');
}
}
updateLoginButtons();
deferred.resolve();
},
timeout: Math.max(currentConfig.downloadTimeout * 1000, computeTimeout(500))
});
}
return deferred.promise();
}
return oldRequestLoginStatus();
};
requestLoginStatus = newRequestLoginStatus;
});