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General Tech Bugs & Fixes 2 years ago
Posted on 16 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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I'm writing a small AngularJS app that has a login view and a main view, configured like so:
$routeProvider .when('/main' , {templateUrl: 'partials/main.html', controller: MainController}) .when('/login', {templateUrl: 'partials/login.html', controller: LoginController}) .otherwise({redirectTo: '/login'});
My LoginController checks the user/pass combination and sets a property on the $rootScope reflecting this:
function LoginController($scope, $location, $rootScope) { $scope.attemptLogin = function() { if ( $scope.username == $scope.password ) { // test $rootScope.loggedUser = $scope.username; $location.path( "/main" ); } else { $scope.loginError = "Invalid user/pass."; } }
Everything works, but if I access http://localhost/#/main I end up bypassing the login screen. I wanted to write something like "whenever the route changes, if $rootScope.loggedUser is null then redirect to /login"
http://localhost/#/main
...
... wait. Can I listen to route changes somehow? I'll post this question anyway and keep looking.
angular.module(...) .config( ['$routeProvider', function($routeProvider) {...}] ) .run( function($rootScope, $location) { // register listener to watch route changes $rootScope.$on( "$routeChangeStart", function(event, next, current) { if ( $rootScope.loggedUser == null ) { // no logged user, we should be going to #login if ( next.templateUrl != "partials/login.html" ) { // not going to #login, we should redirect now $location.path( "/login" ); } } }); })
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