/**
 * TNTConcept Easy Enterprise Management by Autentia Real Bussiness Solution S.L.
 * Copyright (C) 2007 Autentia Real Bussiness Solution S.L.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.autentia.tnt.manager.admin;


import com.autentia.tnt.businessobject.Contact;

import java.util.List;



import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;



import com.autentia.tnt.businessobject.Department;
import com.autentia.tnt.dao.DataAccException;
import com.autentia.tnt.dao.SortCriteria;
import com.autentia.tnt.dao.hibernate.ContactDAO;
import com.autentia.tnt.dao.hibernate.DepartmentDAO;
import com.autentia.tnt.dao.search.DepartmentSearch;
import com.autentia.tnt.tracking.EntityChange;
import com.autentia.tnt.tracking.hibernate.dao.EntityChangeDAO;
import com.autentia.tnt.util.SpringUtils;


public class DepartmentManager {
	
	
/* Department - generated by stajanov (do not edit/delete) */



  /** Logger */
  private static final Log log = LogFactory.getLog(DepartmentManager.class);

  /** Department DAO **/
  private DepartmentDAO departmentDAO;
  
  private ContactDAO contactDAO;

	public void setContactDAO(ContactDAO contactDAO) {
		this.contactDAO = contactDAO;
	}



/**
   * Get default DepartmentManager as defined in Spring's configuration file.
   * @return the default singleton DepartmentManager
   */
  public static DepartmentManager getDefault()
  {
    return (DepartmentManager)SpringUtils.getSpringBean("managerDepartment");
  }

  /** 
   * Empty constructor needed by CGLIB (Spring AOP)
   */
  protected DepartmentManager()
  {
  }
	
  /** 
   * Default constructor 
   * @deprecated do not construct managers alone: use Spring's declared beans
   */
  public DepartmentManager( DepartmentDAO departmentDAO )
  {
    this.departmentDAO = departmentDAO;
  }

  /**
   * List departments. 
   * @param search search filter to apply
   * @param sort sorting criteria
   * @return the list of all departments sorted by requested criterion
   */
  public List<Department> getAllEntities(DepartmentSearch search, SortCriteria sort){
    return departmentDAO.search( search, sort );
  }
  
  /**
   * Get department by primary key.
   * @return department selected by id.
   */
  public Department getEntityById(int id){
		final Department department = departmentDAO.getById(id);
		department.initChanges();
		return department;
  }
	
  /**
   * Insert department. 
   */
  public void insertEntity(Department department) {
    departmentDAO.insert(department);
  }
	 
  /**
   * Update department. 
   */
  public void updateEntity(Department department) {
	  updateEntityWithoutTrack(department);
    this.trackContactChanges(department);
  }

  public void updateEntityWithoutTrack(Department department) {
	    departmentDAO.update(department);
	  }

  /**
   * Delete department. 
   */
  public void deleteEntity(Department department) throws DataAccException {
		List<Contact> contacts = departmentDAO.getContactsForDepartment(department);
		if (contacts != null && !contacts.isEmpty()) {
			throw new DataAccException("Can't delete departments wiht contacts.");
		}
		List<Department> children = departmentDAO.getChildrenDepartments(department);
		if (children != null && !children.isEmpty()) {
			throw new DataAccException("Can't delete department with children departments");
		}
		departmentDAO.delete(department);
  }

    private void trackContactChanges(Department department) {
        if (!department.getName().equals(department.getChanges().getName()))
        {
            final List<Contact> contacts = departmentDAO.getContactsForDepartment(department);
            for (Contact contact : contacts) {
            	contact.addEntityChange(Contact.FIELD_DEPARTMENT,
                        department.getChanges().getName(), department.getName(),department.getId().toString());
                contactDAO.update(contact);
            }
        }
    }

/* Department - generated by stajanov (do not edit/delete) */
	
	
}