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/*
* Copyright 2016 - 2021 Anton Tananaev (anton@traccar.org)
* Copyright 2016 - 2018 Andrey Kunitsyn (andrey@traccar.org)
*
* Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* 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.traccar.database;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.Context;
import org.traccar.config.Keys;
import org.traccar.model.Calendar;
import org.traccar.model.Event;
import org.traccar.model.Notification;
import org.traccar.model.Position;
import org.traccar.model.Typed;
import org.traccar.model.User;
import org.traccar.notification.MessageException;
import org.traccar.notification.NotificatorManager;
import org.traccar.session.cache.CacheManager;
import org.traccar.storage.StorageException;
public class NotificationManager extends ExtendedObjectManager<Notification> {
private static final Logger LOGGER = LoggerFactory.getLogger(NotificationManager.class);
private final CacheManager cacheManager;
private final NotificatorManager notificatorManager;
private final boolean geocodeOnRequest;
public NotificationManager(
DataManager dataManager, CacheManager cacheManager, NotificatorManager notificatorManager) {
super(dataManager, Notification.class);
this.cacheManager = cacheManager;
this.notificatorManager = notificatorManager;
geocodeOnRequest = Context.getConfig().getBoolean(Keys.GEOCODER_ON_REQUEST);
}
private Set<Long> getEffectiveNotifications(long userId, long deviceId, Date time) {
Set<Long> result = new HashSet<>();
Set<Long> deviceNotifications = getAllDeviceItems(deviceId);
for (long itemId : getUserItems(userId)) {
if (getById(itemId).getAlways() || deviceNotifications.contains(itemId)) {
long calendarId = getById(itemId).getCalendarId();
Calendar calendar = calendarId != 0 ? cacheManager.getObject(Calendar.class, calendarId) : null;
if (calendar == null || calendar.checkMoment(time)) {
result.add(itemId);
}
}
}
return result;
}
public void updateEvent(Event event, Position position) {
try {
getDataManager().addObject(event);
} catch (StorageException error) {
LOGGER.warn("Event save error", error);
}
long deviceId = event.getDeviceId();
Set<Long> users = Context.getPermissionsManager().getDeviceUsers(deviceId);
Set<Long> usersToForward = null;
if (Context.getEventForwarder() != null) {
usersToForward = new HashSet<>();
}
for (long userId : users) {
if (usersToForward != null) {
usersToForward.add(userId);
}
final Set<String> notificators = new HashSet<>();
for (long notificationId : getEffectiveNotifications(userId, deviceId, event.getEventTime())) {
Notification notification = getById(notificationId);
if (getById(notificationId).getType().equals(event.getType())) {
boolean filter = false;
if (event.getType().equals(Event.TYPE_ALARM)) {
String alarmsAttribute = notification.getString("alarms");
if (alarmsAttribute == null) {
filter = true;
} else {
List<String> alarms = Arrays.asList(alarmsAttribute.split(","));
filter = !alarms.contains(event.getString(Position.KEY_ALARM));
}
}
if (!filter) {
notificators.addAll(notification.getNotificatorsTypes());
}
}
}
if (position != null && position.getAddress() == null
&& geocodeOnRequest && Context.getGeocoder() != null) {
position.setAddress(Context.getGeocoder()
.getAddress(position.getLatitude(), position.getLongitude(), null));
}
User user = Context.getUsersManager().getById(userId);
new Thread(() -> {
for (String notificator : notificators) {
try {
notificatorManager.getNotificator(notificator).send(user, event, position);
} catch (MessageException | InterruptedException exception) {
LOGGER.warn("Notification failed", exception);
}
}
}).start();
}
if (Context.getEventForwarder() != null) {
Context.getEventForwarder().forwardEvent(event, position, usersToForward);
}
}
public void updateEvents(Map<Event, Position> events) {
for (Entry<Event, Position> event : events.entrySet()) {
updateEvent(event.getKey(), event.getValue());
}
}
public Set<Typed> getAllNotificationTypes() {
Set<Typed> types = new HashSet<>();
Field[] fields = Event.class.getDeclaredFields();
for (Field field : fields) {
if (Modifier.isStatic(field.getModifiers()) && field.getName().startsWith("TYPE_")) {
try {
types.add(new Typed(field.get(null).toString()));
} catch (IllegalArgumentException | IllegalAccessException error) {
LOGGER.warn("Get event types error", error);
}
}
}
return types;
}
}
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