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/**
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* Copyright (C) 2018 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.view.registration;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Stack;
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import java.util.UUID;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.Scope;
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import com.vaadin.spring.annotation.SpringComponent;
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import eu.etaxonomy.cdm.api.service.IRegistrationService;
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import eu.etaxonomy.cdm.ext.common.ExternalServiceException;
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import eu.etaxonomy.cdm.ext.registration.messages.IRegistrationMessageService;
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import eu.etaxonomy.cdm.ext.registration.messages.Message;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.model.name.Registration;
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import eu.etaxonomy.cdm.vaadin.event.error.ExternalServiceExceptionHandler;
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import eu.etaxonomy.cdm.vaadin.permission.UserHelper;
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import eu.etaxonomy.vaadin.mvp.AbstractPresenter;
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/**
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* @author a.kohlbecker
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* @since Feb 27, 2018
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*
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*/
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@SpringComponent
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@Scope("prototype")
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public class RegistrationMessagesPresenter extends AbstractPresenter<RegistrationMessagesView> {
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private static final long serialVersionUID = -1069755744585623770L;
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@Autowired
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IRegistrationMessageService messageService;
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@Autowired
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IRegistrationService registrationService;
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Registration registration;
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@Override
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public void onPresenterReady() {
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getView().getErrrorHandler().registerHandler(
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new ExternalServiceExceptionHandler("The external messages service reported an error")
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);
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}
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/**
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* @param identifier
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*/
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public void loadMessagesFor(UUID uuid) {
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if(registration == null){
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registration = registrationService.load(uuid, Arrays.asList("submitter"));
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}
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try {
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List<Message> messages = messageService.listMessages(registration);
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getView().showMessages("On Registration " + registration.getIdentifier(), messages);
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} catch (ExternalServiceException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* @param value
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*/
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public void postMessage(String message) {
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User user = UserHelper.fromSession().user();
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List<Message> activeMessages;
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try {
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activeMessages = messageService.listActiveMessagesFor(registration, user);
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} catch (ExternalServiceException e) {
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throw new RuntimeException(e);
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}
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User toUser = null;
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if(UserHelper.fromSession().userIsRegistrationCurator()){
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toUser = registration.getSubmitter();
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} else {
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Stack<Message> stack = new Stack<>();
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stack.addAll(activeMessages);
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while(!stack.empty()){
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toUser = stack.pop().getFrom();
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if(!toUser.equals(user)){
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break;
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}
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}
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if(toUser == null){
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throw new RuntimeException("Only a curator can initiate a communication");
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}
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}
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try {
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messageService.postMessage(registration, message, user, toUser);
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loadMessagesFor(registration.getUuid());
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} catch (ExternalServiceException e) {
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logger.error(e);
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throw new RuntimeException(e);
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}
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}
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}
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