Login Username AngularJS

I have a login form where I enter username and password. I am using service and will set the current user.
Then I go to next page  and it shows username from the service. All good till I refresh the page using browser
which clears that username. How do store that information?
rbhargawFounderAsked:
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leakim971PluritechnicianCommented:
each time you star your application check status o the user (look for a valid session)

app.controller("mainCtrl", ["$scope", "User", "$location", function($scope, UserService, $location) {
       UserService.checkStatus().then(function(user) {
               if(user.isConnected) {
                   $scope.user = user.infos;
               }
               else {
                   $location.path("/signin"); // not signed, "redirect/open" signin page/view
               }
       });

       // Do other initialization, checking, ....

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rbhargawFounderAuthor Commented:
The service is like these

appRoot.service('sharedUser', function () {

    return {
        getCurrentUser: function () {
            return currentUser;
        },
        setCurrentUser: function (value) {
            currentUser = value;
        }
    };
});

What shall I put in checkStatus?
0
leakim971PluritechnicianCommented:
checkStatus do an http request to the server to check the state, return something like :

{ isConnected:true, data : { "nickname":"rbhargaw", "lastname":"bhargaw", ... } }
or if not connected :
{ isConnected:false, data : {} }

each time your user submit a valid username/password, you create a server session ID and store it in the database
so when someone request the homepage you check for the session ID in the database to see if valid or not
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