Java tutorial
/** * This file is part of lavagna. * * lavagna is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * lavagna 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with lavagna. If not, see <http://www.gnu.org/licenses/>. */ package io.lavagna.service.calendarutils; import io.lavagna.model.*; import io.lavagna.service.CardDataService; import io.lavagna.service.UserRepository; import net.fortuna.ical4j.model.*; import net.fortuna.ical4j.model.component.VAlarm; import net.fortuna.ical4j.model.component.VEvent; import net.fortuna.ical4j.model.parameter.Cn; import net.fortuna.ical4j.model.parameter.Value; import net.fortuna.ical4j.model.property.*; import java.net.URI; import java.net.URISyntaxException; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.UUID; import static org.apache.commons.lang3.ObjectUtils.firstNonNull; public class CalendarVEventHandler implements CalendarEventHandler { private final Map<Integer, UserDescription> usersCache = new HashMap<>(); private final String applicationUrl; private final CardDataService cardDataService; private final UserRepository userRepository; private final List<VEvent> events; public CalendarVEventHandler(String applicationUrl, CardDataService cardDataService, UserRepository userRepository, List<VEvent> events) { this.applicationUrl = applicationUrl; this.cardDataService = cardDataService; this.userRepository = userRepository; this.events = events; } private long getLong(int x, int y) { return (((long) x) << 32) | (y & 0xffffffffL); } private String getEventName(CardFullWithCounts card) { return String.format("%s-%s %s (%s)", card.getBoardShortName(), card.getSequence(), card.getName(), card.getColumnDefinition()); } private UserDescription getUserDescription(int userId, Map<Integer, UserDescription> cache) { if (!cache.containsKey(userId)) { User u = userRepository.findById(userId); String name = firstNonNull(u.getDisplayName(), u.getEmail(), u.getUsername()); String email = String.format("MAILTO:%s", firstNonNull(u.getEmail(), "unknown@unknown.com")); cache.put(userId, new UserDescription(name, email)); } return cache.get(userId); } private VAlarm createReminder(String name) { final VAlarm reminder = new VAlarm(new Dur(0, 0, 0, 0)); reminder.getProperties().add(Action.DISPLAY); reminder.getProperties().add(new Description(name)); return reminder; } public void addMilestoneEvent(String projectShortName, java.util.Date date, LabelListValueWithMetadata m, SearchResults cards) throws URISyntaxException { URI uri = new URI(String.format("%s%s/milestones/", applicationUrl, projectShortName)); double closed = 0; double total = 0; StringBuilder descBuilder = new StringBuilder(); for (CardFullWithCounts card : cards.getFound()) { if (card.getColumnDefinition() == ColumnDefinition.CLOSED) { closed++; } total++; descBuilder.append(getEventName(card)); descBuilder.append("\n"); } final String name = String.format("%s - %s (%.0f%%)", projectShortName, m.getValue(), total > 0 ? 100 * closed / total : 100); final UUID id = new UUID(getLong(m.getCardLabelId(), m.getId()), getLong(m.getOrder(), 0)); DateTime dueDate = new DateTime(date.getTime()); dueDate.setUtc(true); final VEvent event = new VEvent(dueDate, name); event.getProperties().getProperty(Property.DTSTART).getParameters().add(Value.DATE_TIME); event.getProperties().add(new Description(descBuilder.toString())); event.getProperties().add(new Uid(id.toString())); // Reminder on milestone's date if (!m.getMetadata().containsKey("status") || !m.getMetadata().get("status").equals("CLOSED")) { event.getAlarms().add(createReminder(name)); } // Url event.getProperties().add(new Url(uri)); events.add(event); } public void addCardEvent(CardFullWithCounts card, LabelAndValue lav) throws URISyntaxException { URI uri = new URI(String.format("%s%s/%s-%s", applicationUrl, card.getProjectShortName(), card.getBoardShortName(), card.getSequence())); CardDataHistory cardDesc = cardDataService.findLatestDescriptionByCardId(card.getId()); String name = getEventName(card); final UUID id = new UUID(getLong(card.getColumnId(), card.getId()), getLong(lav.getLabelId(), lav.getLabelValueId())); // Organizer UserDescription ud = getUserDescription(card.getCreationUser(), usersCache); DateTime dueDate = new DateTime(lav.getLabelValueTimestamp()); dueDate.setUtc(true); final VEvent event = new VEvent(dueDate, name); event.getProperties().getProperty(Property.DTSTART).getParameters().add(Value.DATE_TIME); event.getProperties().add(new Created(new DateTime(card.getCreationDate()))); event.getProperties().add(new LastModified(new DateTime(card.getLastUpdateTime()))); event.getProperties().add(new Uid(id.toString())); // Reminder on label's date if (card.getColumnDefinition() != ColumnDefinition.CLOSED) { event.getAlarms().add(createReminder(name)); } // Organizer Organizer organizer = new Organizer(URI.create(ud.getEmail())); organizer.getParameters().add(new Cn(ud.getName())); event.getProperties().add(organizer); // Url event.getProperties().add(new Url(uri)); // Description if (cardDesc != null) { event.getProperties().add(new Description(cardDesc.getContent())); } events.add(event); } private class UserDescription { private String name; private String email; @java.beans.ConstructorProperties({ "name", "email" }) public UserDescription(String name, String email) { this.name = name; this.email = email; } public String getName() { return this.name; } public String getEmail() { return this.email; } } }