Implementing Partial Login and Registration Views using AngularJS in conjunction with MVC5 and ASP.NET Identity

Question

Implementing Partial Login and Registration Views using AngularJS in conjunction with MVC5 and ASP.NET Identity

Embarking on the journey of creating a Single Page Application with log-in/register functionality using MVC5, ASP.NET Identity, and Angular feels like diving into a vast ocean of web development technologies. Despite being new to this realm, I delved into resources on HTML, JavaScript, CSS, and Angular, ultimately choosing the Single Page Application template in Visual Studio as my starting point. This template provided login and register capabilities powered by Knockout for data binding and view routing. However, my task involved implementing these features using AngularJS.

  var config = {
                method: 'POST',
                url: http://localhost:52091/token,
                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
                data: 'grant_type=password&username=' + username + '&password=' + password,
            };

            var userData = {
                isAuthenticated: false,
                username: '',
                bearerToken: '',
                expirationDate: null,
            };

            function setHttpAuthHeader() {
                $http.defaults.headers.common.Authorization = 'Bearer ' + userData.bearerToken;
            }

            $http(config)
                .success(function (data) {
                    userData.isAuthenticated = true;
                    userData.username = data.userName;
                    userData.bearerToken = data.access_token;
                    userData.expirationDate = new Date(data['.expires']);
                    $http.defaults.headers.common.Authorization = 'Bearer ' + userData.bearerToken;
                    if (typeof successCallback === 'function') {
                        successCallback();
                    }
                })
                .error(function (data) {
                    if (typeof failedCallback === 'function') {
                        if (data.error_description) {
                            failedCallback(data.error_description);
                        } else {
                            failedCallback('Unable to contact server; please, try again later.');
                        }
                    }
                });

While my login implementation seemed to work smoothly, I ventured into registering users following a similar structure:

// Registration
        service.register = function (username, password, confirmPassword, successCallback, failedCallback) {

            var config = {
                method: 'POST',
                url: 'api/account/register',
                headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
                data: 'username=' + username + '&password=' + password + '&confirmPassword=' + confirmPassword,
            };

            var userData = {
                isAuthenticated: false,
                username: '',
                bearerToken: '',
                expirationDate: null,
            };

            function setHttpAuthHeader() {
                $http.defaults.headers.common.Authorization = 'Bearer ' + userData.bearerToken;
            }

            $http(config)
                .success(function (data) {
                    userData.isAuthenticated = true;
                    userData.username = data.userName;
                    userData.bearerToken = data.access_token;
                    userData.expirationDate = new Date(data['.expires']);
                    $http.defaults.headers.common.Authorization = 'Bearer ' + userData.bearerToken;
                    if (typeof successCallback === 'function') {
                        successCallback();
                    }
                })
                // Handle errors properly
                .error(function (data) {
                    if (typeof failedCallback === 'function') {
                        if (data.error_description) {
                            failedCallback(data.error_description);
                        } else {
                            failedCallback('Unable to contact server; please, try again later.');
                        }
                    }
                });

        }

Functioning registration flow led me to envision an interconnected system where transitions between the Login and Register views would be seamless, thereby looking into configuring routes within Angular:

angular.module('Authentication', []);
angular.module('Home', []);

angular.module('BasicHttpAuthExample', [
    'Authentication',
    'Home',
    'ngRoute',
    'ngCookies'
])

.config(['$routeProvider', '$locationProvider', function ($routeProvider, $locationProvider) {

    $routeProvider
        .when('/register', {
            controller: 'RegisterController',
            templateUrl: 'Home/Register',
        })
    .when('/login', {
        controller: 'LoginController',
        templateUrl: 'Home/Login',
    });
}])

The route setup appeared to be effective, but navigating around partial views posed a challenge due to the unconventional project structure. As the Single Page Application template offered an empty HomeController with the Register method residing in the Account API controller, integration with Angular's view loading proved perplexing. Seeking insights on handling partial views within Angular spurred my quest for solutions.

javascript angularjs knockout.js asp.net-mvc-5 asp.net-identity

Answer 1

Answer №1

If you haven't already discovered it, there's a method to load partial views through angular. There is one important point to consider with the solution below: it utilizes Ui-router for routing in angular, rather than ngRoute.

To implement this, create a controller that specifically serves partial views and include a route for it in the route config.

Insert the following code into routeconfig.cs (prior to the default route)

//Partial view route
routes.MapRoute(
            name: "PartialViews",
            url: "PartialView/{action}/{id}",
            defaults: new { controller = "PartialView", action = "GetView", id = UrlParameter.Optional }
            );
//Default route
 routes.MapRoute(
         name: "AllElse",
         url: "{*url}",
         defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
       );

This snippet showcases the controller code responsible for serving partial views like login and register.

    public class PartialViewController : Controller
    {
        [AllowAnonymous]
        public ActionResult GetView(string View)
       {
           return PartialView(View);
       }
    }

The next step involves calling it from angular using ui-router instead of ngRoute.

    $stateProvider
    .state('app', {
        url: '/app',
        templateUrl: 'home/app',
        controller: 'AppController'
    })
    .state('login', {
        url: '/login',
        templateUrl: 'partialview/getview?view=login',
        controller: 'LoginController'
    })
    .state('register', {
        url: '/register',
        templateUrl: 'partialview/getview?view=register',
        controller: 'RegisterController'
    });

Below is an example of the HomeController:

public class HomeController : Controller
{

    public ActionResult Index()
    {
        ViewBag.Title = "Home Page";

        return View();
    }

    [Authorize]
    public ActionResult App()
    {
        return PartialView();
    }
}

What does the Index view (home/index.cshtml) contain?

<div ui-view>   </div>

Answer 2

If you haven't already discovered it, there's a method to load partial views through angular. There is one important point to consider with the solution below: it utilizes Ui-router for routing in angular, rather than ngRoute.

To implement this, create a controller that specifically serves partial views and include a route for it in the route config.

Insert the following code into routeconfig.cs (prior to the default route)

//Partial view route
routes.MapRoute(
            name: "PartialViews",
            url: "PartialView/{action}/{id}",
            defaults: new { controller = "PartialView", action = "GetView", id = UrlParameter.Optional }
            );
//Default route
 routes.MapRoute(
         name: "AllElse",
         url: "{*url}",
         defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
       );

This snippet showcases the controller code responsible for serving partial views like login and register.

    public class PartialViewController : Controller
    {
        [AllowAnonymous]
        public ActionResult GetView(string View)
       {
           return PartialView(View);
       }
    }

The next step involves calling it from angular using ui-router instead of ngRoute.

    $stateProvider
    .state('app', {
        url: '/app',
        templateUrl: 'home/app',
        controller: 'AppController'
    })
    .state('login', {
        url: '/login',
        templateUrl: 'partialview/getview?view=login',
        controller: 'LoginController'
    })
    .state('register', {
        url: '/register',
        templateUrl: 'partialview/getview?view=register',
        controller: 'RegisterController'
    });

Below is an example of the HomeController:

public class HomeController : Controller
{

    public ActionResult Index()
    {
        ViewBag.Title = "Home Page";

        return View();
    }

    [Authorize]
    public ActionResult App()
    {
        return PartialView();
    }
}

What does the Index view (home/index.cshtml) contain?

<div ui-view>   </div>

Answer 3

Answer №2

Big thanks to roshankar! The solution you provided works like a charm. Just wanted to point out that I'm not utilizing UI-Router, yet the method still works flawlessly for me. Below is how I set up my routes using $routeProvider in place of $stateProvider:

$routeProvider
            .when('/', {
                controller: 'LoginController',
                templateUrl: 'partials/getview?view=login',
            })
            .when('/login', {
                controller: 'LoginController',
                templateUrl: 'partials/getview?view=login',
            })
            .when('/register', {
                controller: 'RegisterController',
                templateUrl: 'partials/getview?view=register',
            })
            .when('/orders', {
                controller: 'HomeController',
                templateUrl: 'Home/Orders',
            })
            .otherwise({ redirectTo: '/login' });

This is my current approach to configure routes. However, if anyone is curious about how I made it work before receiving roshankar's answer, I managed to do it with plain HTML files. Here is how I got it done, inspired by this post from Taiseer Joudeh: Link.

When using the HTML-only method, configuring routes looked like this:

$routeProvider
            .when('/', {
                controller: 'LoginController',
                templateUrl: '/views/login.html',
            })
            .when('/login', {
                controller: 'LoginController',
                templateUrl: '/views/login.html',
            })
            .when('/register', {
                controller: 'RegisterController',
                templateUrl: '/views/register.html',
            })
            .when('/orders', {
                controller: 'HomeController',
                templateUrl: '/views/orders.html',
            })
            .otherwise({ redirectTo: '/login' });

If MVC isn't necessary, this method works perfectly fine.

Answer 4

Big thanks to roshankar! The solution you provided works like a charm. Just wanted to point out that I'm not utilizing UI-Router, yet the method still works flawlessly for me. Below is how I set up my routes using $routeProvider in place of $stateProvider:

$routeProvider
            .when('/', {
                controller: 'LoginController',
                templateUrl: 'partials/getview?view=login',
            })
            .when('/login', {
                controller: 'LoginController',
                templateUrl: 'partials/getview?view=login',
            })
            .when('/register', {
                controller: 'RegisterController',
                templateUrl: 'partials/getview?view=register',
            })
            .when('/orders', {
                controller: 'HomeController',
                templateUrl: 'Home/Orders',
            })
            .otherwise({ redirectTo: '/login' });

This is my current approach to configure routes. However, if anyone is curious about how I made it work before receiving roshankar's answer, I managed to do it with plain HTML files. Here is how I got it done, inspired by this post from Taiseer Joudeh: Link.

When using the HTML-only method, configuring routes looked like this:

$routeProvider
            .when('/', {
                controller: 'LoginController',
                templateUrl: '/views/login.html',
            })
            .when('/login', {
                controller: 'LoginController',
                templateUrl: '/views/login.html',
            })
            .when('/register', {
                controller: 'RegisterController',
                templateUrl: '/views/register.html',
            })
            .when('/orders', {
                controller: 'HomeController',
                templateUrl: '/views/orders.html',
            })
            .otherwise({ redirectTo: '/login' });

If MVC isn't necessary, this method works perfectly fine.

Implementing Partial Login and Registration Views using AngularJS in conjunction with MVC5 and ASP.NET Identity

Answer №1

Answer №2

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