SaleProspectFilter.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.sale;
 
import java.util.Collection;
import java.util.List;
import org.turro.crm.db.CrmPU;
import org.turro.crm.entity.SaleProspect;
import org.turro.crm.entity.Vendor;
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 SaleProspectFilter extends Filter<SaleProspect> {
 
  private boolean restrict = false;
  
  public SaleProspectFilter() {
  }
 
  public SaleProspectFilter(boolean restrict) {
    this.restrict = restrict;
  }
  
  @Override
  public Collection<SaleProspect> 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 salep from SaleProspect as salep");
    wc.addClause("left join salep.attendees attendee");
    if(restrict) {
      Vendor vendor = VendorUtil.getCurrent();
      wc.addClause("left join salep.vendorProspects vendorp");
      wc.addClause("where vendorp.vendor = :vendorlimp");
      wc.addNamedValue("vendorlimp", vendor);
    } else if(!Application.getApplication().isInRole("sale-prospect:all")) {
      Vendor vendor = VendorUtil.getCurrent();
      wc.addClause("left join salep.vendorProspects vendorp");
      wc.addClause("left join salep.customer.ownedBy vendoro");
      wc.addClause("where (vendorp.vendor = :vendorlimp");
      wc.addClause("or vendoro.vendor = :vendorlimo)");
      wc.addNamedValue("vendorlimp", vendor);
      wc.addNamedValue("vendorlimo", vendor);
    } else {
      wc.addClause("where 1=1");
    }
    for(IFilterValue v : values) {
      v.addConstraint(wc);
    }
    wc.addClause("order by salep.prospectDate");
    return wc;
  }
 
}