Firebase profile integrations - firebase

Question

What I am trying to do here is to implement a functionality on the start-up. I want my user's firebase authentication email variable to set a variable that represents the current user logged into my app?
With the following code the line that sets the user variable works after I click log in but not on page load! The console logs work perfectly on start-up but not the setting of user to the email...
crossfitApp.controller('globalIdCtrl', ["$scope", 'defautProfileData',
function ($scope, defautProfileData) {
var dataRef = new Firebase("https://glowing-fire-5401.firebaseIO.com");
//defautProfileData.country;
$scope.authenticated = {
currentUser: 10007,
emailAddress: "",
settings: "",
};
$scope.auth = new FirebaseSimpleLogin(dataRef, function (error, user) {
if (error) {
// an error occurred while attempting login
console.log(error);
} else if (user) {
//Not working
$scope.authenticated.currentUser = user.id;
console.log('User ID: ' + user.id + ', ProvideFr: ' + user.provider + user);
console.log(user);
} else {
console.log($scope.auth);
alert('deuces');
//!Trigger not logged in
}
});
}
]); //GlobaldCtrl

Answer 1

The callback to FirebaseSimpleLogin is not invoked inside the scope of Angular's HTML compiler. Normally, whenever you invoke ng-click, ng-submit, et al, Angular fires $scope.$apply(), which checks for any changes to the bound JavaScript variables and applies those to the DOM elements.
When an event outside of Angular changes a variable, you need to let Angular know by manually triggering a $apply event. The safest way to accomplish this is to use $timeout:
angular.controller('MyCtrl', function($scope, $timeout) {
$scope.auth = new FirebaseSimpleLogin(dataRef, function (error, user) {
if (error) {
// an error occurred while attempting login
console.log(error);
} else if (user) {
$timeout(function() {
$scope.currentUser = user.uid;
});
} else {
console.log('not logged in');
}
});
In general, prefer user.uid to user.id, as it is unique across providers.
A library like AngularFire can save you a lot of trouble, as it abstracts a lot of the complexities of integrating Firebase and Angular.