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Angular ui-router resolve inheritance

I would like to create an abstract parent state, that has only one job: to resolve the current user through an ajax server call, and then pass this object to the child state. The problem is that the child state never gets loaded. Please have a look at this plunker: Example
a state
angular.module('test', ['ui.router'])
.config(function($stateProvider, $urlRouterProvider){
// Parent route
$stateProvider.state('main', {
abstract:true,
resolve: {
user: function(UserService){
return UserService.getUser();
}
}
});
// Child route
$stateProvider.state('home', {
parent: 'main',
url: '/',
controller: 'HomeController',
controllerAs: '$ctrl',
template: '<h1>{{$ctrl.user.name}}</h1>'
});
$urlRouterProvider.otherwise('/');
});
a factory
angular.module('test').factory('UserService', function($q){
function getUser() {
var deferred = $q.defer();
// Immediately resolve it
deferred.resolve({
name: 'Anonymous'
});
return deferred.promise;
}
return {
getUser: getUser
};
});
a controller
angular.module('test').controller('HomeController', function(user){
this.user = user;
});
In this example, the home state will never display the template, I don't really understand why. If I remove the parent: 'main' line, then it displays the template, but of course I get an error because it cannot find the user dependency in the HomeController.
What am I missing? I did everything like it is described in ui-router's documentation, I think this should work.

Every parent must have a target ui-view in template for its child
$stateProvider.state('main', {
abstract:true,
resolve: {
user: function(UserService){
return UserService.getUser();
}
}
template: '<div ui-view=""></div>'
});
NOTE: Another option is to use absolute names and target index.html .. but in this case the above is the way to go (Angularjs ui-router not reaching child controller)

Pass Json data to another route template in angular js

After login I want to pass the user details to dashboard?How it possible in angular js?
Login.js
mySchoolApp.controller('loginController', ['$scope', '$http', function($scope, $http) {
this.loginForm = function() {
let encodedString = 'uname=' +this.username +'&pwrd=' +this.password;
sessionStorage.user = encodedString;
console.log(sessionStorage.user)
window.location.href = 'dashboard.html';
}
}]);
In console I'm getting the value.
How to get the user details in dashboard.html page?

You should use ng-route to achieve this.Angular isn't designed to work like this
Here is sample
$stateProvider
.state('app', {
abstract: true,
url: "",
template: '<ui-view/>'
})
.state('app.home', {
url: "/",
templateUrl: "partials/main_page.html",
resolve: {
skipIfLoggedIn: skipIfLoggedIn
}
}).state('app.dashboard', {
url: "/dashboard",
templateUrl: "partials/dashboard.html",
controller: 'DashboardCtrl',
activePage:'dashboard',
resolve: {
loginRequired: loginRequired
}

You can store it in a localstorage.So you can use angular-local-storage Angular module for that.
How to set :
myApp.controller('MainCtrl', function($scope, localStorageService) {
//...
function submit(key, val) {
return localStorageService.set(key, val);
}
//...
});
How to Get :
myApp.controller('MainCtrl', function($scope, localStorageService) {
//...
function getItem(key) {
return localStorageService.get(key);
}
//...
});

You should use router module ui-router or ng-router in order to use angualrjs logic in that sense but then your pages are going to be loaded via ajax and regular session http authentication can not be applied.
If that's the case then use angular service provider and let me know to edit my answer.
If you'd like to keep data across pages and not using database or server.
Then what is left as options are: sessionStorage and localStorage.
The localStorage keeps data permanently until browser cache deletes it while the other one obviously for the session.
sessionStorage.setItem('myCat', 'Tom');
If you want to keep js collection like object or array first stringify it:
var user = {pass:'moo', name: 'boo'};
sessionStorage.setItem('userDetais', JSON.stringify(user));

AngularJS ui-router: how to resolve typical data globally for all routes?

I have an AngularJS service which communicates with the server and returns
translations of different sections of the application:
angular
.module('utils')
.service('Translations', ['$q','$http',function($q, $http) {
translationsService = {
get: function(section) {
if (!promise) {
var q = $q.defer();
promise = $http
.get(
'/api/translations',
{
section: section
})
.success(function(data,status,headers,config) {
q.resolve(result.data);
})
.error(function(data,status,headers,config){
q.reject(status);
});
return q.promise;
}
}
};
return translationsService;
}]);
The name of the section is passed as the section parameter of the get function.
I'm using AngularJS ui-router module and following design pattern described here
So I have the following states config:
angular.module('app')
.config(['$stateProvider', function($stateProvider) {
$stateProvider
.state('users', {
url: '/users',
resolve: {
translations: ['Translations',
function(Translations) {
return Translations.get('users');
}
]
},
templateUrl: '/app/users/list.html',
controller: 'usersController',
controllerAs: 'vm'
})
.state('shifts', {
url: '/shifts',
resolve: {
translations: ['Translations',
function(Translations) {
return Translations.get('shifts');
}
]
},
templateUrl: '/app/shifts/list.html',
controller: 'shiftsController',
controllerAs: 'vm'
})
This works fine but as you may notice I have to explicitly specify translations in the resolve parameter. I think that's not good enough as this duplicates the logic.
Is there any way to resolve translations globally and avoid the code duplicates. I mean some kind of middleware.
I was thinking about listening for the $stateChangeStart, then get translations specific to the new state and bind them to controllers, but I have not found the way to do it.
Any advice will be appreciated greatly.
Important note:
In my case the resolved translations object must contain the translations data, not service/factory/whatever.
Kind regards.

Let me show you my approach. There is a working plunker
Let's have a translation.json like this:
{
"home" : "trans for home",
"parent" : "trans for parent",
"parent.child" : "trans for child"
}
Now, let's introduce the super parent state root
$stateProvider
.state('root', {
abstract: true,
template: '<div ui-view=""></div>',
resolve: ['Translations'
, function(Translations){return Translations.loadAll();}]
});
This super root state is not having any url (not effecting any child url). Now, we will silently inject that into every state:
$stateProvider
.state('home', {
parent: 'root',
url: "/home",
templateUrl: 'tpl.html',
})
.state('parent', {
parent: 'root',
url: "/parent",
templateUrl: 'tpl.html',
})
As we can see, we use setting parent - and do not effect/extend the original state name.
The root state is loading the translations at one shot via new method loadAll():
.service('Translations', ['$http'
,function($http) {
translationsService = {
data : {},
loadAll : function(){
return $http
.get("translations.json")
.then(function(response){
this.data = response.data;
return this.data;
})
},
get: function(section) {
return data[section];
}
};
return translationsService;
}])
We do not need $q at all. Our super root state just resolves that once... via $http and loadAll() method. All these are now loaded, and we can even place that service into $rootScope:
.run(['$rootScope', '$state', '$stateParams', 'Translations',
function ($rootScope, $state, $stateParams, Translations) {
$rootScope.$state = $state;
$rootScope.$stateParams = $stateParams;
$rootScope.Translations = Translations;
}])
And we can access it anyhwere like this:
<h5>Translation</h5>
<pre>{{Translations.get($state.current.name) | json}}</pre>
Wow... that is solution profiting almost from each feature coming with UI-Router... I'd say. All loaded once. All inherited because of $rootScope and view inheritance... all available in any child state...
Check that all here.

Though this is a very old question, I'd like to post solution which I'm using now. Hope it will help somebody in the future.
After using some different approaches I came up with a beautiful angularjs pattern by John Papa
He suggest using a special service routerHelperProvider and configure states as a regular JS object. I'm not going to copy-paste the entire provider here. See the link above for details. But I'm going to show how I solved my problem by the means of that service.
Here is the part of code of that provider which takes the JS object and transforms it to the states configuration:
function configureStates(states, otherwisePath) {
states.forEach(function(state) {
$stateProvider.state(state.state, state.config);
});
I transformed it as follows:
function configureStates(states, otherwisePath) {
states.forEach(function(state) {
var resolveAlways = {
translations: ['Translations', function(Translations) {
if (state.translationCategory) {
return Translations.get(state.translationCategory);
} else {
return {};
}
}],
};
state.config.resolve =
angular.extend(state.config.resolve || {}, resolveAlways || {});
$stateProvider.state(state.state, state.config);
});
});
And my route configuration object now looks as follows:
{
state: ‘users’,
translationsCategory: ‘users’,
config: {
controller: ‘usersController’
controllerAs: ‘vm’,
url: ‘/users’.
templateUrl: ‘users.html'
}
So what I did:
I implemented the resolveAlways object which takes the custom translationsCategory property, injects the Translations service and resolves the necessary data. Now no need to do it everytime.

Angular one resolve for all states

I got a routeProvider for my states.
$routeProvider.
when("/register",{
templateUrl: "templates/register.html",
controller: "RegisterCtrl",
resolve: {
user: function(Auth) {
return Auth.resolveUser();
}
}
}).
when("/home",{
templateUrl: "templates/home.html",
controller: "HomeCtrl",
resolve: {
user: function(Auth) {
return Auth.resolveUser();
}
}
}). .... [.....]
Every state got a promise which resolves, when user-state is loggedIn. Then the code of the different controllers is executed. Now I want to have a mainController for the navigation bar, which should be present on all sites. The controller needs the userdata for checking for new messages etc.
Now: how is it possible to define the resolve globally in a root state (so i can access the userdata in the root controller for all sites) and all the other controllers execute their code only, if the promise from this roote state is resolved?
I hope I formulated my question understandable...

I think you're looking for something like $routeChangeStart, that is a way to execute something you want everytime the user changes his route inside your web app. Take a look at Route and this other question from stackoverflow. Hope it helps.

You can do this by defining your routes outside of the $routeProvider.when statements:
var routes = [
{
url: "/register",
config: {
templateUrl: "templates/register.html",
controller: "RegisterCtrl"
}
},
{
url: "/home",
config: {
templateUrl: "templates/home.html",
controller: "HomeCtrl"
}
}
];
Then iterating through your routes to extend the resolve property before registering them with the $routeProvider:
angular.forEach(routes, function (route) {
var url = route.url;
var routeConfig = route.config;
routeConfig.resolve = angular.extend(routeConfig.resolve || {}, {
// add your global resolves here
user: function(Auth) {
return Auth.resolveUser();
}
});
$routeProvider.when(url, routeConfig);
});
Your Auth.resolveUser() should be responsible for returning the fulfilled promise if it was already resolved previously.

AngularJS, resolve data before showing view

This subject has been already asked but I couldn't figure out what to do in my case.
Using AngularJS 1.0.5:
Before showing the view "login", I want to get some data and delay the view rendering while the data isn't loaded from an AJAX request.
Here is the main code. Is it the good way?
angular.module('tfc', ['tfc.config', 'tfc.services', 'tfc.controllers']).config([
'$routeProvider', '$locationProvider', '$httpProvider',
function($routeProvider, $locationProvider, $httpProvider) {
$routeProvider.when('/login', {
templateUrl: 'views/login.html',
controller: "RouteController",
resolve: {
data: function(DataResolver) {
return DataResolver();
}
}
});
}
]);
module_services = angular.module("tfc.services", []);
module_services.factory("DataResolver", [
"$route", function($route) {
console.log("init");
return function() {
// Tabletop is a lib to get data from google spreadsheets
// basically this is an ajax request
return Tabletop.init({
key: "xxxxx",
callback: function(data, tabletop) {
console.log("[Debug][DataResolver] Data received!");
return data;
}
});
};
}
]);

The point of AngularJS is that you can load up the templates and everything and then wait for the data to load, it's meant to be asynchronous.
Your view should be using ng-hide, ng-show to check the scope of the controller so that when the data in the scope is updated, the view will display. You can also display a spinner so that the user doesn't feel like the website has crashed.

Answering the question, the way you are loading data explicitly before the view is rendered seems right. Remember that it may not give the best experience as there will be some time to resolve that, maybe giving an impression that your app stopped for some moments.
See an example from John Pappa's blog to load some data before the route is resolved using angular's default router:
// route-config.js
angular
.module('app')
.config(config);
function config($routeProvider) {
$routeProvider
.when('/avengers', {
templateUrl: 'avengers.html',
controller: 'Avengers',
controllerAs: 'vm',
resolve: {
moviesPrepService: function(movieService) {
return movieService.getMovies();
}
}
});
}
// avengers.js
angular
.module('app')
.controller('Avengers', Avengers);
Avengers.$inject = ['moviesPrepService'];
function Avengers(moviesPrepService) {
var vm = this;
vm.movies = moviesPrepService.movies;
}
You basically use the resolve parameters on the route, so that routeProvider waits for all promises to be resolved before instantiating the controller. See the docs for extra info.