HandshakeProduct.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2015 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.handshake;
 
import com.google.gson.Gson;
import org.turro.financials.db.FinancialsPU;
import org.turro.financials.entity.Contract;
import org.turro.financials.entity.Product;
import org.turro.financials.entity.ProductByContractor;
import org.turro.jpa.Dao;
 
public class HandshakeProduct {
 
  public String code;
  public String description;
  public double price;
  public double tax;
 
  public transient Contract contract;
  public transient String petitioner;
  
  public static String createJsonFromProduct(Product product) {
    HandshakeProduct hp = createHandshakeFromProduct(product);
    if(hp != null) {
      return new Gson().toJson(hp);
    }
    return null;
  }
  
  public static HandshakeProduct createHandshakeFromProduct(Product product) {
    HandshakeProduct hp = new HandshakeProduct();
    hp.code = product.getProductCode();
    hp.description = product.getDescription();
    hp.price = product.getPrice();
    hp.tax = product.getTax();
    return hp;
  }
 
  public static Product getProductFromHandshake(HandshakeProduct hp) {
    ProductByContractor pbc = getProductByContractorFromHandshake(hp);
    if(pbc != null) {
      return pbc.getProduct();
    }
    return null;
  }
  
  public static ProductByContractor getProductByContractorFromHandshake(HandshakeProduct hp) {
    Dao dao = new FinancialsPU();
    return (ProductByContractor) dao.getSingleResultOrNull(
            "select pbc from ProductByContractor pbc " +
            "where pbc.contract = ? " +
            "and pbc.contractorCode = ?",
            new Object[] {
              hp.contract,
              hp.code
            });
  }
 
}