angularjs - Localize URL's with ui-router and angular-translate

Question

I am using ui-router for routing and angular-translate for translations. What i would like to achieve is having the selected language bind to the url like so:

www.mydomain.com/en/
www.mydomain.com/ru/
www.mydomain.com/en/about
www.mydomain.com/ru/about

and it will respond accordingly.

Tried to look for examples, but did not find anything. If someone implemented similar solution, i would love to hear how you did it.

Thanks

Answer 1

I use something along these lines:

CoffeeScript

angular.module('app')
.config([
  '$stateProvider'
  ($stateProvider) ->
    $stateProvider.state 'app',
      abstract: true
      url: '/{locale}'
    $stateProvider.state 'app.root',
      url: ''
    $stateProvider.state 'app.root.about',
      url: '/about'
])

JavaScript

angular.module('app').config([
  '$stateProvider', function($stateProvider) {
    $stateProvider.state('app', {
      abstract: true,
      url: '/{locale}'
    });
    $stateProvider.state('app.root', {
      url: ''
    });
    return $stateProvider.state('app.root.about', {
      url: '/about'
    });
  }
]);

With this, you can inject $stateParams into your controller and get access to the locale there:

CoffeeScript

angular.module('app')
.controller('appCtrl', [
  '$scope', '$stateParams'
  ($scope, $stateParams) ->
    $scope.locale = $stateParams.locale
])

JavaScript

angular.module('app').controller('appCtrl', [
  '$scope', '$stateParams', function($scope, $stateParams) {
    return $scope.locale = $stateParams.locale;
  }
]);

Or, if you want to affect the whole page automatically, use the $stateChangeStart event in an application controller or similar:

CoffeeScript

$scope.$on '$stateChangeStart', (event, toState, toParams, fromState, fromParams) ->
  $translate.use(toParams.locale)

JavaScript

$scope.$on('$stateChangeStart', function(event, toState, toParams, fromState, fromParams) {
  $translate.use(toParams.locale);
});

Note that if you're using angular-translate v1.x you should use $translate.uses instead of $translate.use.