providers

angular.controller('Test', function(MyProvider, MyService, MyFactory){

	// returnerer akkurat det samme:
	MyProvider.sayHello();
	MyService.sayHello();
	MyFactory.sayHello();

	MyProvider.saySomethingElse(); // 'I might be a string from some configuration or whatevs' 
	
});

angular.config(function(MyProviderProvider){
	MyProviderProvider.configureWhatElseToSay ('I might be a string from some configuration or whatevs')
});


angular.provider('MyProvider', function(){
	var data = {
		whatElseToSay = '';
	}

	// can be called from angular.config
	this.configureWhatElseToSay = function(whatToSay){
		data.whatElseToSay = whatToSay;
	}

	function saySomethingElse(){
		return data.whatElseToSay;
	}

	function sayHello(){
		return 'Hello!';
	}

	function sayGoodbye(){
		return 'Buhbye!';
	}


	// only stuff exposed by calling $get will be available in application runtime
	this.$get = function(){
		return {
			sayHello: sayHello,
			sayGoodbye: sayGoodbye,
			saySomethingElse: saySomethingElse
		}		
	}
});

angular.service('MyService', function(){
	// only stuff on 'this.' will be exposed at runtime
	this.sayHello = sayHello;
	this.sayGoodbye = sayGoodbye;

	function sayHello(){
		return 'Hello!';
	}

	function sayGoodbye(){
		return 'Buhbye!';
	}
});

angular.factory('MyFactory', function(){

	function sayHello(){
		return 'Hello!';
	}

	function sayGoodbye(){
		return 'Buhbye!';
	}

	// only stuff returned will be exposed at runtime
	return {
		sayHello: sayHello,
		sayGoodbye: sayGoodbye
	}
});