AngularJS / Updating the URL only after the template's resolve property has been successfully resolved

Resolve plays a crucial role in preventing a template from being displayed based on certain conditional logic that deals with the result of a promise (whether it is solved or rejected).

In my application, I implement it like this:

.config(['$routeProvider', 'securityAuthorizationProvider',
        function ($routeProvider, securityAuthorizationProvider) {
              $routeProvider.when('/test', {
                  templateUrl: '/myCorrespondingView.tpl.html',
                  controller: 'MyCorrespondingCtrl',
                  resolve: securityAuthorizationProvider.requireAuthenticatedUser
              });
        }])

Therefore, this code will only display the content of /myCorrespondingView.tpl.html if and only if

securityAuthorizationProvider.requireAuthenticatedUser
is resolved.

My goal is to avoid changing the URL to http://myApp.com/test if the promise in the resolve section is rejected. This is because I do not want to unnecessarily reload the previous controller if the rejection logic is to keep the user on their current page (which would require a redirection to that page).

Is there an efficient method to achieve this using the resolve property without moving the conditional logic to the previous controller?

Answer №1

A situation like this arose for me in the past. I resolved it by directing the user to a login page, where you can specify the source page in the authentication provider (such as

securityAuthorizationProvider.requireAuthenticatedUser
) if the user was not already authenticated.

Answer №2

Although this question may be dated, I want to offer my solution for anyone still seeking an answer.

I have implemented a popup/modal/alert that appears over the entire page, complete with a browsing history feature that allows users to navigate between different views. Additionally, I have added functionality that enables users to go back using either their mouse or browser back button.

Here is my JavaScript code snippet:

SYSTEM.execute( [ "$rootScope", "Popup", function( $rootScope, Popup ) {
    $rootScope.$on( "$routeChangeStart", function ( e ) {
        if ( $rootScope.popup ) {
            Popup.goBack();
            e.preventDefault();
            return;
        }
    } );
} );

To implement a similar solution, you can access the upcoming route in $routeChangeStart event and verify if the URL is secure before executing your service. Once your service has been resolved, redirect to the new URL and toggle a variable to indicate whether the service has already been checked.

I hope this explanation proves helpful.

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