Controller structure

gistfile1.js

app.controller('DemoController', function ($scope, MyService) {
    var _count = 0;
    
    function _privateUtil() { // function decomposition
        _count += _count + 1;
    }
    
    function _handleClick(data) {
        _privateUtil();
        $scope.answer = MyService.doSomething({
            data: data,
            count: _count
        });
    }
    
    function _init() {
        // expose "data" to the view
        $scope.data = 10; 
        
        // expose _handleClick as a "public" method on the $scope
        $scope.handleClick = _handleClick; 
    }
    
    _init();
}