Frontend authentication working.

frontend/app/js/controllers/login-controller.js

@@ -0,0 +1,51 @@
+'use strict';
+app.controller("loginController", function($scope, $routeParams, Auth, $rootScope) {
+    $scope.credentials = {
+        email: '',
+        password: ''
+    };
+    
+    var config = {
+        headers: {
+            'X-HTTP-Method-Override': 'POST'
+        }
+    };
+    
+    
+    $scope.login = function(){
+      Auth.login($scope.credentials, config).then(function(user) {
+            console.log(user); // => {id: 1, ect: '...'}
+            $rootScope.user = user;
+            $rootScope.alertClass = "alert alert-success";
+            $rootScope.alertMessage = "Logged in successfully";
+        }, function(error) {
+            console.log(error);
+            $rootScope.alertClass = "alert alert-danger";
+            $rootScope.alertMessage = "Username and/or password is incorrect";
+        });
+    };
+    
+    $scope.logout = function(){
+      Auth.logout(config).then(function(oldUser) {
+            // alert(oldUser.name + "you're signed out now.");
+            $rootScope.user = null;
+            $rootScope.alertClass = "alert alert-success";
+            $rootScope.alertMessage = "Logged out successfully";
+      }, function(error) {
+            // An error occurred logging out.
+            $rootScope.alertClass = "alert alert-danger";
+            $rootScope.alertMessage = "There was an error logging out";
+      });  
+    };
+    
+    Auth.currentUser().then(function(user) {
+        // User was logged in, or Devise returned
+        // previously authenticated session.
+        $rootScope.user = user;
+    }, function(error) {
+        // unauthenticated error
+        $rootScope.user = null;
+    });
+    
+  
+});