TellFriendFormHandler.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.Photo;
import org.wahlzeit.model.PhotoManager;
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 TellFriendFormHandler extends AbstractWebFormHandler {

	/**
	 *
	 */
	public static final String EMAIL_FROM = "emailFrom";
	public static final String EMAIL_TO = "emailTo";
	public static final String EMAIL_SUBJECT = "emailSubject";
	public static final String EMAIL_BODY = "emailBody";

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

	/**
	 *
	 */
	public TellFriendFormHandler() {
		initialize(PartUtil.TELL_FRIEND_FORM_FILE, AccessRights.GUEST);
	}

	/**
	 * @methodtype command
	 */
	protected void doMakeWebPart(UserSession us, WebPart part) {
		Map args = us.getSavedArgs();
		ModelConfig config = us.getClient().getLanguageConfiguration();
		part.addStringFromArgs(args, UserSession.MESSAGE);

		part.maskAndAddStringFromArgs(args, EMAIL_TO);
		part.maskAndAddStringFromArgsWithDefault(args, EMAIL_SUBJECT, config.getTellFriendEmailSubject());

		String emailText = config.getTellFriendEmailWebsite() + "\n\n" + us.getSiteUrl() + "\n\n";

		String id = us.getAsString(args, Photo.ID);
		if (!StringUtil.isNullOrEmptyString(id) && PhotoManager.getInstance().hasPhoto(id)) {
			emailText += (config.getTellFriendEmailPhoto() + "\n\n" + us.getSiteUrl() + id + ".html" + "\n\n");
		}

		part.addString(Photo.ID, id);
		Photo photo = PhotoManager.getInstance().getPhoto(id);
		part.addString(Photo.THUMB, getPhotoThumb(us, photo));

		part.maskAndAddStringFromArgsWithDefault(args, EMAIL_BODY, emailText);
	}

	/**
	 *
	 */
	protected String doHandlePost(UserSession us, Map args) {
		String friendsEmailAddress = us.getAndSaveAsString(args, EMAIL_TO);
		String emailSubject = us.getAndSaveAsString(args, EMAIL_SUBJECT);
		String emailBody = us.getAndSaveAsString(args, EMAIL_BODY);
		ModelConfig config = us.getClient().getLanguageConfiguration();

		if (StringUtil.isNullOrEmptyString(friendsEmailAddress)) {
			us.setMessage(config.getEmailAddressIsMissing());
			return PartUtil.TELL_FRIEND_PAGE_NAME;
		} else if (!StringUtil.isValidStrictEmailAddress(friendsEmailAddress)) {
			us.setMessage(config.getEmailAddressIsInvalid());
			return PartUtil.TELL_FRIEND_PAGE_NAME;
		}
		if ((emailSubject.length() > 128) || (emailBody.length() > 1024)) {
			us.setMessage(config.getInputIsTooLong());
			return PartUtil.TELL_FRIEND_PAGE_NAME;
		}

		EmailAddress to = EmailAddress.getFromString(friendsEmailAddress);

		EmailService emailService = EmailServiceManager.getDefaultService();
		emailService.sendEmailIgnoreException(to, config.getAuditEmailAddress(), emailSubject, emailBody);

		log.info(LogBuilder.createUserMessage().
				addAction("TellFriend").
				addParameter("recipient", to.asString()).toString());


		us.setTwoLineMessage(config.getEmailWasSent() + friendsEmailAddress + "! ", config.getKeepGoing());

		return PartUtil.SHOW_NOTE_PAGE_NAME;
	}

}