org.sigmah.server.handler.DeactivateUsersHandler.java Source code

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Here is the source code for org.sigmah.server.handler.DeactivateUsersHandler.java

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package org.sigmah.server.handler;

/*
 * #%L
 * Sigmah
 * %%
 * Copyright (C) 2010 - 2016 URD
 * %%
 * 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, 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 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/gpl-3.0.html>.
 * #L%
 */

import org.apache.commons.collections4.CollectionUtils;
import org.sigmah.server.dao.UserDAO;
import org.sigmah.server.dispatch.impl.UserDispatch.UserExecutionContext;
import org.sigmah.server.domain.User;
import org.sigmah.server.handler.base.AbstractCommandHandler;
import org.sigmah.shared.command.DeactivateUsers;
import org.sigmah.shared.command.result.VoidResult;
import org.sigmah.shared.dispatch.CommandException;
import org.sigmah.shared.dto.UserDTO;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.inject.Inject;
import com.google.inject.persist.Transactional;
import java.util.List;

/**
 * Deactivates or activates the given users.
 * 
 * @author Maxime Lombard (mlombard@ideia.fr) (v2.0)
 * @author Denis Colliot (dcolliot@ideia.fr) (v2.0)
 * @author Raphal Calabro (rcalabro@ideia.fr)
 */
public class DeactivateUsersHandler extends AbstractCommandHandler<DeactivateUsers, VoidResult> {

    /**
     * Logger.
     */
    private final static Logger LOG = LoggerFactory.getLogger(DeactivateUsersHandler.class);

    private final UserDAO userDAO;

    @Inject
    public DeactivateUsersHandler(final UserDAO userDAO) {
        this.userDAO = userDAO;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public VoidResult execute(final DeactivateUsers cmd, final UserExecutionContext context)
            throws CommandException {

        if (CollectionUtils.isEmpty(cmd.getUsers())) {
            return new VoidResult();
        }

        performDeactivation(cmd.getUsers(), context);

        return new VoidResult();
    }

    /**
     * Deactivate the given users in a transaction.
     * 
     * @param users List of users to deactivate. 
     * @param context Execution context.
     */
    @Transactional
    protected void performDeactivation(final List<UserDTO> users, final UserExecutionContext context) {
        for (final UserDTO userDTO : users) {
            LOG.debug("Updating activated state of the following user : {}", userDTO);

            User user = userDAO.findById(userDTO.getId());
            if (user == null) {
                user = userDAO.findUserByEmail(userDTO.getEmail());
            }

            user.setActive(!userDTO.getActive());
            userDAO.persist(user, context.getUser());
        }
    }

}