Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ package com.liferay.calendar.notification.impl; import com.liferay.calendar.model.Calendar; import com.liferay.calendar.model.CalendarBooking; import com.liferay.calendar.model.CalendarNotificationTemplate; import com.liferay.calendar.model.CalendarResource; import com.liferay.calendar.notification.NotificationField; import com.liferay.calendar.notification.NotificationTemplateType; import com.liferay.calendar.notification.NotificationType; import com.liferay.calendar.service.configuration.CalendarServiceConfigurationKeys; import com.liferay.calendar.service.configuration.CalendarServiceConfigurationUtil; import com.liferay.calendar.service.configuration.CalendarServiceConfigurationValues; import com.liferay.petra.content.ContentUtil; import com.liferay.portal.kernel.bean.BeanPropertiesUtil; import com.liferay.portal.kernel.configuration.Filter; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.model.Group; import com.liferay.portal.kernel.model.User; import com.liferay.portal.kernel.service.GroupLocalServiceUtil; import com.liferay.portal.kernel.service.UserLocalServiceUtil; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Time; import com.liferay.portal.kernel.util.UnicodeProperties; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; /** * @author Eduardo Lundgren * @author Marcellus Tavares */ public class NotificationUtil { public static User getDefaultSenderUser(Calendar calendar) throws Exception { CalendarResource calendarResource = calendar.getCalendarResource(); User user = UserLocalServiceUtil.getUser(calendarResource.getUserId()); if (calendarResource.isGroup()) { Group group = GroupLocalServiceUtil.getGroup(calendarResource.getClassPK()); user = UserLocalServiceUtil.getUser(group.getCreatorUserId()); } else if (calendarResource.isUser()) { user = UserLocalServiceUtil.getUser(calendarResource.getClassPK()); } return user; } public static String getDefaultTemplate(NotificationType notificationType, NotificationTemplateType notificationTemplateType, NotificationField notificationField) throws Exception { Filter filter = new Filter(notificationType.toString(), notificationTemplateType.toString()); String propertyName = CalendarServiceConfigurationKeys.CALENDAR_NOTIFICATION_PREFIX + StringPool.PERIOD + notificationField.toString(); String templatePath = CalendarServiceConfigurationUtil.get(propertyName, filter); return ContentUtil.get(NotificationUtil.class.getClassLoader(), templatePath); } public static String getTemplate(CalendarNotificationTemplate calendarNotificationTemplate, NotificationType notificationType, NotificationTemplateType notificationTemplateType, NotificationField notificationField) throws Exception { String defaultTemplate = getDefaultTemplate(notificationType, notificationTemplateType, notificationField); return BeanPropertiesUtil.getString(calendarNotificationTemplate, notificationField.toString(), defaultTemplate); } public static String getTemplatePropertyValue(CalendarNotificationTemplate calendarNotificationTemplate, String propertyName) { return getTemplatePropertyValue(calendarNotificationTemplate, propertyName, StringPool.BLANK); } public static String getTemplatePropertyValue(CalendarNotificationTemplate calendarNotificationTemplate, String propertyName, String defaultValue) { if (calendarNotificationTemplate == null) { return defaultValue; } UnicodeProperties notificationTypeSettingsProperties = calendarNotificationTemplate .getNotificationTypeSettingsProperties(); return notificationTypeSettingsProperties.get(propertyName); } public static void notifyCalendarBookingRecipients(CalendarBooking calendarBooking, NotificationType notificationType, NotificationTemplateType notificationTemplateType, User sender) throws Exception { NotificationSender notificationSender = NotificationSenderFactory .getNotificationSender(notificationType.toString()); List<NotificationRecipient> notificationRecipients = _getNotificationRecipients(calendarBooking); for (NotificationRecipient notificationRecipient : notificationRecipients) { User user = notificationRecipient.getUser(); if (user.equals(sender)) { continue; } NotificationTemplateContext notificationTemplateContext = NotificationTemplateContextFactory .getInstance(notificationType, notificationTemplateType, calendarBooking, user); notificationSender.sendNotification(sender.getEmailAddress(), sender.getFullName(), notificationRecipient, notificationTemplateContext); } } public static void notifyCalendarBookingReminders(CalendarBooking calendarBooking, long nowTime) throws Exception { List<NotificationRecipient> notificationRecipients = _getNotificationRecipients(calendarBooking); for (NotificationRecipient notificationRecipient : notificationRecipients) { User user = notificationRecipient.getUser(); long startTime = calendarBooking.getStartTime(); if (nowTime > startTime) { return; } NotificationType notificationType = null; long deltaTime = startTime - nowTime; if (_isInCheckInterval(deltaTime, calendarBooking.getFirstReminder())) { notificationType = calendarBooking.getFirstReminderNotificationType(); } else if (_isInCheckInterval(deltaTime, calendarBooking.getSecondReminder())) { notificationType = calendarBooking.getSecondReminderNotificationType(); } if (notificationType == null) { continue; } NotificationSender notificationSender = NotificationSenderFactory .getNotificationSender(notificationType.toString()); NotificationTemplateContext notificationTemplateContext = NotificationTemplateContextFactory .getInstance(notificationType, NotificationTemplateType.REMINDER, calendarBooking, user); notificationSender.sendNotification(user.getEmailAddress(), user.getFullName(), notificationRecipient, notificationTemplateContext); } } private static List<NotificationRecipient> _getNotificationRecipients(CalendarBooking calendarBooking) throws Exception { List<NotificationRecipient> notificationRecipients = new ArrayList<>(); CalendarResource calendarResource = calendarBooking.getCalendarResource(); Set<User> users = new HashSet<>(); if (calendarBooking.isMasterBooking()) { users.add(UserLocalServiceUtil.fetchUser(calendarBooking.getUserId())); } users.add(UserLocalServiceUtil.fetchUser(calendarResource.getUserId())); for (User user : users) { if (user == null) { continue; } if (!user.isActive()) { if (_log.isDebugEnabled()) { _log.debug("Skip inactive user " + user.getUserId()); } continue; } notificationRecipients.add(new NotificationRecipient(user)); } return notificationRecipients; } private static boolean _isInCheckInterval(long deltaTime, long intervalStart) { long intervalEnd = intervalStart + _CHECK_INTERVAL; if ((intervalStart <= deltaTime) && (deltaTime < intervalEnd)) { return true; } return false; } private static final long _CHECK_INTERVAL = CalendarServiceConfigurationValues.CALENDAR_NOTIFICATION_CHECK_INTERVAL * Time.MINUTE; private static final Log _log = LogFactoryUtil.getLog(NotificationUtil.class); }