The Yeoman AngularFire user service encountered an unexpected issue with the userProvider provider, causing it to

I'm facing an issue when trying to inject a service into a controller in a Yeoman AngularFire application.

Below is the controller (generated by Yeoman) where I am attempting to inject user:

angular.module('myYoApp')
      .controller('ChatCtrl', function ($scope, user, Ref, $firebaseArray, $timeout) { ....

This results in an error stating Unknown provider:

angular.js:12798 Error: [$injector:unpr] Unknown provider: userProvider <- user <- ChatCtrl

Interestingly, it works perfectly in my custom controller, allowing me to access the user in the associated view.

angular.module('myYoApp')
  .controller('myCtrl', function ($scope, user, Auth, Ref, $firebaseArray, $firebaseObject, $timeout) { ....

I'm puzzled as to why the user service can be injected in my custom controller but not in the Yeoman-generated ChatCtrl. I've searched throughout the project but couldn't locate where the user service is defined. However, since my custom service can use it, it must exist within the app somewhere.

I also attempted using $user instead of user, but that didn't resolve the issue. Any insights on solving this puzzle would be greatly appreciated!

javascriptangularjsdependency-injectionangularfireyeoman-generator

Answer №1

After some careful investigation, I was able to resolve the issue at hand. Upon reviewing the routes.js file, I discovered that there was an error in the implementation. The Yeoman angularfire-generator includes a feature for routes security/authentication, which allows certain routes to be restricted unless the user is logged in. In order to successfully inject the user service into a controller, it is necessary to use $routeProvider.whenAuthenticated instead of the traditional $routeProvider.when method.

An example of an unsecured route:

$routeProvider
      .when('/', {
        templateUrl: 'views/main.html',
        controller: 'MainCtrl'
      })

Whereas a secured route would look like this:

 $routeProvider
  .whenAuthenticated('/chat', {
        templateUrl: 'views/chat.html',
        controller: 'ChatCtrl'
      })

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