babcia

package projectgrandmother;

public class Product {
    private String name;
    private int amount;
    private float price;
    private float value;

    public Product(String name, int amount, float price) {
        this.name = name;
        this.amount = amount;
        this.price = price;

    }

    public Product() {

    }

    public float getValue() {
        return amount * price;
    }

    public void setValue(float value){
        this.value = value;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAmount() {
        return amount;
    }

    public void setAmount(int amount) {
        this.amount = amount;
    }

    public float getPrice() {
        return price;
    }

    public void setPrice(float price) {
        this.price = price;
    }

    @Override
    public String toString() {
        return "Product{" +
                "name='" + name + '\'' +
                ", amount=" + amount +
                ", price=" + price +
                ", value=" + value +
                '}';
    }
}
/////////////////////////////

import java.util.ArrayList;
import java.util.List;


public class ListGrandpa {
    private String listString;
    private List<Product> products;

    public ListGrandpa(String listString) {
        this.listString = listString;
        products = new ArrayList<>();
        splitList();
    }

    public void splitList() {
        String[] list = listString.split("/");
        for(String s : list) {
            String[] properties  = s.split(":");
            Product product = new Product();
            product.setName(properties[0]);
            product.setAmount(Integer.valueOf(properties[1]));
            product.setPrice(Float.valueOf(properties[2]));
            float value = product.getPrice() * product.getAmount();
            product.setValue(value);
            if(isExist(product.getName())){
                System.out.println("Produkt: " + product.getName() + " już był kupiony");
            }else{
                products.add(product);
            }
        }
    }

    public Product maxAmount() {
        int max = 0;
        Product product = null;

        for(Product p : products) {
            if(p.getAmount() > max) {
                max = p.getAmount();
                product = p;
            }
        }
        return product;
    }



    public boolean isExist(String name){
        for(Product p : products){
            if(p.getName().equals(name)) {
                return true;
            }
        }
        return false;
    }

    public float valueOfShopping(){
        float value = 0;
        for(Product p : products){
            value += p.getValue();
        }

        return value;
    }





    public List<Product> getProducts() {
        return products;
    }

    public void setProducts(List<Product> products) {
        this.products = products;
    }

    @Override
    public String toString() {
        return "ListGrandpa{" +
                "products=" + products +
                '}';
    }
}

///////////////////////////

public class Main {
    public static void main(String[] args) {

        try {
        StringBuilder shoppingList = new StringBuilder();

            FileInputStream fileInputStream = new FileInputStream("C:\\Bootcamp\\babcia.txt");
            int read;
            while ((read = fileInputStream.read()) != -1) {
                shoppingList.append((char)  read);
            }



        ListGrandpa listGrandpa = new ListGrandpa(shoppingList.toString());
        System.out.println("Najwięcej kupionych " + listGrandpa.maxAmount().getName() + " wartość to: " + listGrandpa.maxAmount().getAmount());
        System.out.println("Wartość zakupów" + listGrandpa.valueOfShopping());

        } catch (IOException e) {
            e.printStackTrace();
        }


    }
}