EmailUserNameFormHandler.java

/*
 * Copyright (c) 2006-2009 by Dirk Riehle, http://dirkriehle.com
 *
 * This file is part of the Wahlzeit photo rating application.
 *
 * 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.wahlzeit.handlers;

import org.wahlzeit.model.AccessRights;
import org.wahlzeit.model.ModelConfig;
import org.wahlzeit.model.User;
import org.wahlzeit.model.UserManager;
import org.wahlzeit.model.UserSession;
import org.wahlzeit.services.EmailAddress;
import org.wahlzeit.services.LogBuilder;
import org.wahlzeit.services.mailing.EmailService;
import org.wahlzeit.services.mailing.EmailServiceManager;
import org.wahlzeit.utils.StringUtil;
import org.wahlzeit.webparts.WebPart;

import java.util.Map;
import java.util.logging.Logger;

/**
 * A handler class for a specific web form.
 */
public class EmailUserNameFormHandler extends AbstractWebFormHandler {

	private static final Logger log = Logger.getLogger(EmailUserNameFormHandler.class.getName());


	/**
	 *
	 */
	public EmailUserNameFormHandler() {
		initialize(PartUtil.EMAIL_USER_NAME_FORM_FILE, AccessRights.GUEST);
	}

	/**
	 *
	 */
	protected void doMakeWebPart(UserSession us, WebPart part) {
		Map<String, Object> savedArgs = us.getSavedArgs();
		part.addStringFromArgs(savedArgs, UserSession.MESSAGE);
		part.maskAndAddStringFromArgs(savedArgs, User.EMAIL_ADDRESS);
	}

	/**
	 *
	 */
	protected String doHandlePost(UserSession us, Map args) {
		String emailAddress = us.getAndSaveAsString(args, User.EMAIL_ADDRESS);
		ModelConfig config = us.getClient().getLanguageConfiguration();
		if (StringUtil.isNullOrEmptyString(emailAddress)) {
			us.setMessage(config.getFieldIsMissing());
			return PartUtil.EMAIL_PASSWORD_PAGE_NAME;
		} else if (!StringUtil.isValidStrictEmailAddress(emailAddress)) {
			us.setMessage(config.getEmailAddressIsInvalid());
			return PartUtil.EMAIL_PASSWORD_PAGE_NAME;
		}

		UserManager userManager = UserManager.getInstance();
		User user = userManager.getUserByEmailAddress(emailAddress);
		if (user == null) {
			us.setMessage(config.getUnknownEmailAddress());
			return PartUtil.EMAIL_PASSWORD_PAGE_NAME;
		}

		EmailService emailService = EmailServiceManager.getDefaultService();

		EmailAddress to = user.getEmailAddress();
		emailService.sendEmailIgnoreException(to, config.getAuditEmailAddress(), config.getSendUserNameEmailSubject(),
				user.getId());

		log.info(LogBuilder.createUserMessage().
				addAction("Username send per E-Mail").
				addParameter("Target address", to.asString()).toString());

		us.setTwoLineMessage(config.getUserNameWasEmailed(), config.getContinueWithShowPhoto());

		return PartUtil.SHOW_NOTE_PAGE_NAME;
	}

}