TagManager.java

/**
 * TNTConcept Easy Enterprise Management by Autentia Real Bussiness Solution S.L.
 * Copyright (C) 2007 Autentia Real Bussiness Solution S.L.
 * <p>
 * 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.
 * <p>
 * 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.
 * <p>
 * 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.tags;

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.Position;
import com.autentia.tnt.businessobject.Tag;
import com.autentia.tnt.dao.SortCriteria;
import com.autentia.tnt.dao.hibernate.ContactDAO;
import com.autentia.tnt.dao.hibernate.TagDAO;
import com.autentia.tnt.dao.search.TagSearch;
import com.autentia.tnt.manager.contacts.ContactManager;
import com.autentia.tnt.manager.contacts.PositionManager;
import com.autentia.tnt.tracking.EntityChange;
import com.autentia.tnt.tracking.hibernate.dao.EntityChangeDAO;
import com.autentia.tnt.util.SpringUtils;

public class TagManager {

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

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

    /** Tag DAO **/
    private TagDAO tagDAO;

    private EntityChangeDAO entityChangeDAO;


    public void setEntityChangeDAO(EntityChangeDAO entityChangeDAO) {
        this.entityChangeDAO = entityChangeDAO;
    }

    private ContactDAO contactDAO;

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

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

    /**
     * Empty constructor needed by CGLIB (Spring AOP)
     */
    protected TagManager() {
    }

    /**
     * Default constructor
     * @deprecated do not construct managers alone: use Spring's declared beans
     */
    public TagManager(TagDAO tagDAO) {
        this.tagDAO = tagDAO;
    }

    /**
     * List tags.
     * @param search search filter to apply
     * @param sort sorting criteria
     * @return the list of all tags sorted by requested criterion
     */
    public List<Tag> getAllEntities(TagSearch search, SortCriteria sort) {
        return tagDAO.search(search, sort);
    }

    /**
     * Get tag by primary key.
     * @return tag selected by id.
     */
    public Tag getEntityById(int id) {
        final Tag tag = tagDAO.getById(id);
        //tag.initChanges();
        return tag;
    }

    /**
     * Insert tag.
     */
    public void insertEntity(Tag tag) {
        // tracking positions
        trackPositionChanges(tag);

        tagDAO.insert(tag);

        this.trackContactChanges(tag);

    }

    /**
     * Update tag.
     */
    public void updateEntity(Tag tag) {
        // tracking positions
        trackPositionChanges(tag);
        this.trackContactChanges(tag);
        tagDAO.update(tag);
    }

    private void trackContactChanges(Tag tag) {
        // tracking associated Contacts
        for (Contact contact : tag.getContactTags()) {
            final Contact contactBD = ContactManager.getDefault().getEntityById(contact.getId());
            if (!contactBD.getTags().contains(tag)) {
                //FIXME aqui debería bastar con añadir el cambio o el tag al contacto y salvar el contacto
                //para que se actualizase con los listener de hibernate. Por algún motivo, sólo cuando se da de alta
                //una nueva clave y se asocia a un contacto antes de guardar no funciona correctamente.
                EntityChange entityChange = contactBD.getEntityChange(Contact.FIELD_TAGS, "", tag.getName(), tag.getId().toString());
                contactBD.addEntityChange(Contact.FIELD_TAGS, "", tag.getName(), tag.getId().toString());
//					contactDAO.update(contactBD);

                if (entityChange != null) {
                    entityChangeDAO.insert(entityChange);
                }

            }
        }
        // tracking deassociated Contacts
        if (tag.getId() != null) {
            Tag tagDB = getEntityById(tag.getId());
            for (Contact contactDB : tagDB.getContactTags()) {
                if (!tag.getContactTags().contains(contactDB)) {
                    contactDB.addEntityChange(Contact.FIELD_TAGS, tag.getName(), "", tag.getId().toString());
                    contactDAO.update(contactDB);
                }
            }
        }
    }

    private void trackPositionChanges(Tag tag) {
        // tracking associated Positions
        for (Position position : tag.getPositionTags()) {
            Position positionDB = PositionManager.getDefault().getEntityById(position.getId());
            if (!positionDB.getTags().contains(tag)) {
                positionDB.getHistory().add(
                        PositionManager.getDefault().getChange(positionDB, PositionManager.FIELD_TAGS, "",
                                tag.getName()));
            }
        }
        // tracking deassociated Positions
        if (tag.getId() != null) {
            Tag tagDB = getEntityById(tag.getId());
            for (Position positionDB : tagDB.getPositionTags()) {
                if (!tag.getPositionTags().contains(positionDB)) {
                    positionDB.getHistory().add(
                            PositionManager.getDefault().getChange(positionDB, PositionManager.FIELD_TAGS,
                                    tag.getName(), ""));
                }
            }
        }
    }

    /**
     * Delete tag.
     */
    public void deleteEntity(Tag tag) {
        // for Position tracking
        tag.getPositionTags().clear();
        tag.getContactTags().clear();
        trackPositionChanges(tag);
        trackContactChanges(tag);

        tagDAO.delete(tag);
    }

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