JavaScript OOP examples w

OOP2.js

//Coffie machine constructor
//===================================================================

function CoffeMachine(power, capacity){
	
	//Define private vars //Сохранение контекста для обрращения к нему из внутренних функций
	const WATER_HEAT_CAPACITY = 4200;
	const POWER = power;
	var timerId;
	
	var isRunning = false;
	
	//Define default water amount
	var waterAmount = 0;
	
	//Set water amount (setter in action)
	this.setWaterAmount = function(amount){
		if (amount < 0) {
			throw new Error ('Значение должно быть положительным');
		}
		
		if (amount > capacity) {
			throw new Error (`Воды должно быть меньше ${capacity}`);
		}
		
		waterAmount = amount;
	};
	
	//Public method for showing water amount
	this.getWaterAmount = function(){
		return waterAmount;	
	};
	
	var _this = this;
	console.log(_this);
	
	//Count time to boil water
	var getBoiledTime = function () {
		
		var time = waterAmount * WATER_HEAT_CAPACITY * 80 / power;
	
		return time;
		
	}; 
	
	this.getBoiledTime = function (){
		return getBoiledTime();
	}
	
	//Run coffie machine
	this.run = function(){
		isRunning = true;
		timerId = setTimeout(function(){
			onReady();
		}, getBoiledTime());
	};
	
	this.stop = function () {
		clearTimeout(timerId);
	};
	
	this.getPower = function(){
		return POWER;
	};
	
	this.isRunning = function(){
		return isRunning;	
	};
	
	var onReady;
	//Action when coffie is ready
	this.setOnReady = function(func){
		
		if (typeof func != 'function') {throw new Error ('Укажите функцию')};
		
		onReady = func;
	}
	
}

var machine1 = new CoffeMachine(1000, 500);
machine1.setWaterAmount(10);

console.log(machine1.isRunning()); //False

machine1.run();
machine1.setOnReady(function(){
	var time = machine1.getBoiledTime();
	var amount = machine1.getWaterAmount();
 	console.log( `Кофе готов: ${amount} мл за ${time / 1000} секунд` );
});

console.log(machine1.isRunning()); //True

//User constructor
//=====================================================================================

const User = function (){
	//Define private methods
	var firstName = null;
	var surName = null;
	
	//Define setters for name and surname
	
	this.setName = function(name){
		//Check if no string
		if (typeof name != 'string') {
			
			throw new Error('Значение должно быть строчным');
		} 
		else {
			
			if (name.length <= 1) { throw new Error('Слишком короткое имя') }
		
			if (name.length >= 20) { throw new Error('Слишклм длинное имя') }
			
			firstName = name;
			
		}
	};
	
	this.setSurname = function(surname){
		//Check in not string
		if (typeof surname != 'string') {
			
			throw new Error('Фамиля должна быть строкой');
		} 
		else {
			//Check length
			if (surname.length <= 2) { throw new Error('Слишком короткая фамилия') }
			if(surname.length >= 25) { throw new Error('слишком длинная фамилия') }
			
			surName = surname;
		}
	};
	
	this.getFullName = function(){
		
		return `Имя:${firstName}\nФамилия:${surName}`;	
	};
}

var user1 = new User();

user1.setName('Коля');
user1.setSurname('Васильев');
console.log(user1.getFullName());