angular js access variable in a service but same app

Question

How can I access a property of a controller in a service?

In my case it is an array, which I want to change in my service.

My controller:

myApp.controller('MainController', function ($scope, $interval, externalDataService, AnalyzeService) {
    $scope.myArray = [];
    var size = 10;

    var analyze = function () {
       if($scope.myArray .length > size) {
          AnalyzeService.doSomething();
       }
    };

    var analyzeData = function () {
        externalDataService.getData().then(function (data) {
            $scope.faceReaderData.push(data);
            analyze();
         });
     };

    $interval(analyzeData , 2000);
});

My service:

myApp.service('AnalyzeService', function () {
    this.doSomething = function () {
        //here i want array access
    }
});

Answer 1

You do not want to do that, as it would make your service depend on your controller, which is very undesireable. Instead, add the array as a parameter to your doSomething :

//Appending 1,2,3 to the given array
function doSomething(someArray) {
    return someArray.concat(['1', '2', '3']);
}

This way, your service does not depend on your controller at all, seperating your business logic from your controller.