CustomerFilter.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 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.crm.zul.customer;
 
import java.util.Collection;
import java.util.List;
import org.turro.crm.db.CrmPU;
import org.turro.crm.entity.Customer;
import org.turro.elephant.context.Application;
import org.turro.elephant.db.WhereClause;
import org.turro.jpa.Dao;
import org.turro.plugin.filter.IFilterValue;
import org.turro.vendor.VendorUtil;
import org.turro.zkoss.filter.Filter;
 
public class CustomerFilter extends Filter<Customer> {
 
  public CustomerFilter() {
  }
 
  @Override
  public Collection<Customer> getObjectValues(List<IFilterValue> values) {
    Dao dao = new CrmPU();
    WhereClause wc = createCriteria(values);
    return dao.getResultList(wc);
  }
 
  private WhereClause createCriteria(List<IFilterValue> values) {
    WhereClause wc = new WhereClause();
    wc.addClause("select distinct cust from Customer as cust");
    wc.addClause("left join cust.activitySectors actsec");
    wc.addClause("left join cust.technologies tech");
    wc.addClause("left join cust.customerSectors cussec");
    if(!Application.getApplication().isInRole("customer:all")) {
      wc.addClause("left join cust.customerOwners custown");
      wc.addClause("where custown.vendor = :vendorlim");
      wc.addNamedValue("vendorlim", VendorUtil.getCurrent());
    } else {
      wc.addClause("where 1=1");
    }
    for(IFilterValue v : values) {
      v.addConstraint(wc);
    }
    wc.addClause("order by cust.name");
    return wc;
  }
 
}