ProductFilter.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.product;
 
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.turro.string.Strings;
import org.turro.elephant.db.WhereClause;
import org.turro.financials.db.FinancialsPU;
import org.turro.financials.entity.Product;
import org.turro.jpa.Dao;
import org.turro.plugin.filter.IFilterValue;
 
public class ProductFilter {
 
  public ProductFilter() {
  }
 
  public Collection<Product> getProducts(List<IFilterValue> values) {
    Dao dao = new FinancialsPU();
    try {
      WhereClause wc = createCriteria(values);
      if(!Strings.isEmpty(wc.getClause())) {
        return dao.getResultList(wc, 300);
      } else {
        return Collections.EMPTY_LIST;
      }
    } finally {
      dao.close();
    }
  }
 
//  public void checkGroup(Grid grid, Contract contract) {
//    if("ctc.contractDefinition.id".equals(mainOrderField)) {
//      if(lastContract == 0 || lastContract != contract.getContractDefinition().getId()) {
//        lastContract = contract.getContractDefinition().getId();
//        Group group = new GroupExtended(contract.getContractDefinition().getName());
//        group.setOpen(false);
//        grid.getRows().appendChild(group);
//      }
//    } else if("ctc.contractor".equals(mainOrderField)) {
//      if(lastContact == null || !lastContact.equals(contract.getContractor())) {
//        lastContact = contract.getContractor();
//        Group group = new GroupExtended(contract.getIContractor().getName());
//        group.setOpen(false);
//        grid.getRows().appendChild(group);
//      }
//    }
//  }
 
  private WhereClause createCriteria(List<IFilterValue> values) {
    WhereClause wc = new WhereClause();
    wc.addClause("select prod from Product as prod");
    wc.addClause("where 1=1");
    for(IFilterValue v : values) {
      v.addConstraint(wc);
    }
    wc.addClause("order by prod.description, prod.productCode, prod.id");
    return wc;
  }
 
}