/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kew.mail.service.impl;

 import java.util.Collection;

 import org.apache.log4j.Logger;

 import org.kuali.rice.core.mail.EmailBody;

 import org.kuali.rice.core.mail.EmailContent;

 import org.kuali.rice.core.mail.EmailSubject;

 import org.kuali.rice.kew.api.action.ActionItem;

 import org.kuali.rice.kew.mail.service.EmailContentService;

 import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.api.KewApiConstants;

 import org.kuali.rice.kim.api.identity.Person;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 /**

  * ActionListEmailService implementation whose content is configurable/parameterizable

  * via a pluggable EmailContentService

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class CustomizableActionListEmailServiceImpl extends ActionListEmailServiceImpl {

     private static final Logger LOG = Logger.getLogger(CustomizableActionListEmailServiceImpl.class);

     private EmailContentService contentService;

     // ---- Spring property

     public void setEmailContentGenerator(EmailContentService contentService) {

         this.contentService = contentService;

     }

     protected EmailContentService getEmailContentGenerator() {

         return contentService;

     }

     public void sendImmediateReminder(ActionItem actionItem, Boolean skipOnApprovals) {

         if (actionItem == null) {

             LOG.warn("Request to send immediate reminder to recipient of a null action item... aborting.");

             return;

         }

         if (actionItem.getPrincipalId() == null) {

             LOG.warn("Request to send immediate reminder to null recipient of an action item... aborting.");

             return;

         }

         if (skipOnApprovals != null && skipOnApprovals.booleanValue()

                 && actionItem.getActionRequestCd().equals(KewApiConstants.ACTION_REQUEST_APPROVE_REQ)) {

             LOG.debug("As requested, skipping immediate reminder notification on action item approval for " + actionItem.getPrincipalId());

             return;

         }

         if(suppressImmediateReminder(actionItem, actionItem.getPrincipalId())) {

             LOG.debug("Email suppressed due to the user's preferences");

             return;

         }

         if (!sendActionListEmailNotification()) {

             LOG.debug("not sending immediate reminder");

             return;

         }

         // since this is a message for a single document, we can customize the from

         // line based on DocumentType

         DocumentRouteHeaderValue document = KEWServiceLocator.getRouteHeaderService().getRouteHeader(actionItem.getDocumentId());

         Person person = KimApiServiceLocator.getPersonService().getPerson(actionItem.getPrincipalId());

         EmailContent content = getEmailContentGenerator().generateImmediateReminder(person, actionItem, document.getDocumentType());

         sendEmail(person, new EmailSubject(content.getSubject()),

                         new EmailBody(content.getBody()), document.getDocumentType());

     }

     @Override

     protected void sendPeriodicReminder(Person person, Collection<ActionItem> actionItems, String emailSetting) {

         actionItems = filterActionItemsToNotify(person.getPrincipalId(), actionItems);

         // if there are no action items after being filtered, there's no

         // reason to send the email

         if (actionItems.isEmpty()) {

             return;

         }

         EmailContent content;

         if (KewApiConstants.EMAIL_RMNDR_DAY_VAL.equals(emailSetting)) {

             content = getEmailContentGenerator().generateDailyReminder(person, actionItems);

         } else if (KewApiConstants.EMAIL_RMNDR_WEEK_VAL.equals(emailSetting)) {

             content = getEmailContentGenerator().generateWeeklyReminder(person, actionItems);

         } else {

             // else...refactor this...

             throw new RuntimeException("invalid email setting. this code needs refactoring");

         }

         sendEmail(person, new EmailSubject(content.getSubject()), new EmailBody(content.getBody()));

     }

 }