/*

  * Copyright 2005-2007 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.feedback.web;

 import java.util.Date;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.apache.commons.lang.StringUtils;

 import org.apache.struts.action.ActionForm;

 import org.apache.struts.action.ActionForward;

 import org.apache.struts.action.ActionMapping;

 import org.kuali.rice.core.config.ConfigContext;

 import org.kuali.rice.kew.doctype.bo.DocumentType;

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

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

 import org.kuali.rice.kew.mail.EmailFrom;

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

 import org.kuali.rice.kew.mail.EmailTo;

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

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

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

 import org.kuali.rice.kew.web.KewKualiAction;

 import org.kuali.rice.kew.web.session.UserSession;

 import org.kuali.rice.kim.bo.Person;

 /**

  * Struts action which handles the Feedback screen.

  *

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

  */

 public class FeedbackAction extends KewKualiAction {

         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(FeedbackAction.class);

     public ActionForward start(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {

         // load fixed properties in Form elements

         FeedbackForm feedbackForm = (FeedbackForm) form;

         feedbackForm.setTimeDate(new Date().toString());

         // load User properties in Form elements

         feedbackForm.setComments("");

         // load application properties from Request in Form elements

         String documentType = request.getParameter("docType");

         if (documentType == null) {

             documentType = "";

         }

         feedbackForm.setDocumentType(documentType);

         String pageUrl = request.getParameter("pageUrl");

         if (pageUrl == null) {

             pageUrl = "";

         }

         feedbackForm.setPageUrl(pageUrl);

         String routeHeaderId = request.getParameter("routeHeaderId");

         if (routeHeaderId == null) {

             routeHeaderId = "";

         }

         feedbackForm.setRouteHeaderId(routeHeaderId);

         String exception = request.getParameter("exception");

         if (exception == null) {

             feedbackForm.setException("");

             feedbackForm.setCategory("");

         } else {

             feedbackForm.setCategory("problem");

             feedbackForm.setException(exception);

         }

         UserSession uSession = getUserSession(request);

         Person        workflowUser = uSession.getPerson();

         if (workflowUser != null) {

             feedbackForm.setNetworkId(workflowUser.getPrincipalName());

             feedbackForm.setUserEmail(workflowUser.getEmailAddress());

             String name = workflowUser.getName().trim();

             feedbackForm.setUserName(name);

             String firstName = name.substring(0, name.indexOf(" "));

             String lastName = name.substring(name.lastIndexOf(" ") + 1, name.length());

             feedbackForm.setFirstName(firstName);

             feedbackForm.setLastName(lastName);

         } else {

             feedbackForm.setNetworkId("");

             feedbackForm.setUserEmail("");

             feedbackForm.setUserName("");

             feedbackForm.setFirstName("");

             feedbackForm.setLastName("");

         }

         return mapping.findForward("start");

     }

     public ActionForward sendFeedback(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {

             FeedbackForm feedbackForm = (FeedbackForm)form;

             EmailService emailService = KEWServiceLocator.getEmailService();

         EmailContentService emailContentService = KEWServiceLocator.getEmailContentService();

         String fromAddress = determineFromAddress(emailContentService, feedbackForm);

             String toAddress = emailContentService.getApplicationEmailAddress();

         EmailContent content = emailContentService.generateFeedback(feedbackForm);

             emailService.sendEmail(new EmailFrom(fromAddress), new EmailTo(toAddress), new EmailSubject(content.getSubject()), new EmailBody(content.getBody()), content.isHtml());

             return mapping.findForward("sent");

     }

     private String determineFromAddress(EmailContentService emailContentService, FeedbackForm form) {

             DocumentType docType = null;

             if (!StringUtils.isEmpty(form.getDocumentType())) {

                     docType = KEWServiceLocator.getDocumentTypeService().findByName(form.getDocumentType());

                     if (docType == null) {

                             LOG.warn("Couldn't locate document type for the given name to determine feedback from address! " + form.getDocumentType());

                     }

             }

             // if we pass null to this method it will return us the application email address

             return emailContentService.getDocumentTypeEmailAddress(docType);

     }

     private String constructSubject(FeedbackForm form) {

             String subject = "Feedback from " + form.getNetworkId();

             if (form.getRouteHeaderId() != null) {

                     subject += (" for document " + form.getRouteHeaderId());

             }

             return subject;

     }

     private String constructEmailBody(FeedbackForm form) {

             StringBuffer buffer = new StringBuffer();

             buffer.append("\n");

             buffer.append("Network ID: " + form.getNetworkId()).append("\n");

             buffer.append("Name: " + form.getUserName()).append("\n");

             buffer.append("Email: " + form.getUserEmail()).append("\n");

             buffer.append("Phone: " + form.getPhone()).append("\n");

             buffer.append("Time: " + form.getTimeDate()).append("\n");

             buffer.append("Environment: " + ConfigContext.getCurrentContextConfig().getEnvironment()).append("\n\n");

             buffer.append("Document type: " + form.getDocumentType()).append("\n");

             buffer.append("Document id: " + form.getRouteHeaderId()).append("\n\n");

             buffer.append("Category: " + form.getCategory()).append("\n");

             buffer.append("Comments: \n" + form.getComments()).append("\n\n");

             buffer.append("Exception: \n" + form.getException());

             return buffer.toString();

     }

     private static UserSession getUserSession(HttpServletRequest request) {

         return UserSession.getAuthenticatedUser();

     }

 }