AngularJS passing variable to service - angularjs

Question

I start with angularJS and I don't understant how you can push a variable from the controller to a service.
I try with $rootScope but the value of the variable was undefined
here is my service :
technoServices.factory('Config',['$rootScope','$resource',
function($rootScope,$resource,token){
return $resource('../../rest/config',null,{
get: {
method:'GET',
headers:{'X-Token':""+$rootScope.headers},
isArray:false}
});
}]);
and here is my controller :
var technoControllers = angular.module('technoControllers', []);
technoControllers.controller('loginCtrl', ['$scope','$rootScope', 'Techno',function($scope,$rootScope, Techno) {
$scope.getXtoken = function (user,psw){
$scope.config = Techno.post({username:user,password:psw},function(response,headers){
$scope.status= response.status;
$rootScope.headers = headers('X-Token');
if($rootScope.headers != null){
$scope.log = true;
}else{
$scope.log = false;
}
})};
}
]);
technoControllers.controller('configCtrl', ['$scope', 'Config', function($scope, Config) {
$scope.getConfig = function (){
$scope.maConfig = Config.get();
}
So as you can see , I need the variable from the response header of my first service in the header request of my seconde service. How can I do it ?

Answer 1

You can just use another service as shared service which will have the value and inject in both the controller and service.
Code snippet would be like this.
technoServices.factory('Shared',
function(){
var Shared={};
Shared.setValue=function(header){
Shared.header = header;
}
Shared.getValue=function(){
return Shared.header;
}
return Shared;
});
And in controller you can use as
technoControllers.controller('loginCtrl', ['$scope','$rootScope', 'Techno',function($scope,$rootScope, Techno, Shared) {
$scope.getXtoken = function (user,psw){
$scope.config = Techno.post({username:user,password:psw},function(response,headers){
$scope.status= response.status;
Shared.setValue(headers('X-Token'));
//$rootScope.headers = headers('X-Token');
if($rootScope.headers != null){
$scope.log = true;
}else{
$scope.log = false;
}
})};
}
]);
You can inject Shared service in Config to get data
technoServices.factory('Config',['$rootScope','$resource','Shared'
function($rootScope,$resource,token,Shared){
return $resource('../../rest/config',null,{
get: {
method:'GET',
//headers:{'X-Token':""+$rootScope.headers},
headers:{'X-Token':""+Shared.getValue()},
isArray:false}
});
}]);