CartAmounts.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2016 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.financials.cart;
 
public class CartAmounts {
 
  private final Cart cart;
  private CartTaxableSet taxables;
 
  public CartAmounts(Cart cart) {
    this.cart = cart;
    createAmounts();
  }
 
  public CartTaxableSet getTaxables() {
    return taxables;
  }
 
  public double getAmount() {
    double amount = 0.0;
    for(CartTaxable at : taxables) {
      amount += at.getAmount();
    }
    return amount;
  }
  
  public double getDiscount() {
    double amount = 0.0;
    for(CartTaxable at : taxables) {
      amount += at.getDiscount();
    }
    return amount;
  }
  
  public double getTotal() {
    double amount = 0.0;
    for(CartTaxable at : taxables) {
      if(at.isPerCent(0.0)) {
        amount += at.getTaxable();
      } else {
        amount += at.getTotal();
      }
    }
    return amount;
  }
  
  private void createAmounts() {
    taxables = new CartTaxableSet();
    for(CartItem dl : cart.getItems()) {
      double tax = dl.getTax();
      taxables.add(tax, dl.getTax(), dl.getTaxAmount(), dl.getAmount(), dl.getTaxable());
    }
    taxables.clearEmpty();
  }  
 
}