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/*
* Copyright 2016 - 2022 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.forward.EventData;
import org.traccar.forward.EventForwarder;
import org.traccar.geocoder.Geocoder;
import org.traccar.helper.DateUtil;
import org.traccar.model.Calendar;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Geofence;
import org.traccar.model.Maintenance;
import org.traccar.model.Position;
import org.traccar.notification.MessageException;
import org.traccar.notification.NotificatorManager;
import org.traccar.session.cache.CacheManager;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Request;
import jakarta.annotation.Nullable;
import jakarta.inject.Inject;
import jakarta.inject.Singleton;
import java.util.Arrays;
import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.Collectors;
@Singleton
public class NotificationManager {
private static final Logger LOGGER = LoggerFactory.getLogger(NotificationManager.class);
private final Storage storage;
private final CacheManager cacheManager;
private final EventForwarder eventForwarder;
private final NotificatorManager notificatorManager;
private final Geocoder geocoder;
private final boolean geocodeOnRequest;
private final long timeThreshold;
@Inject
public NotificationManager(
Config config, Storage storage, CacheManager cacheManager, @Nullable EventForwarder eventForwarder,
NotificatorManager notificatorManager, @Nullable Geocoder geocoder) {
this.storage = storage;
this.cacheManager = cacheManager;
this.eventForwarder = eventForwarder;
this.notificatorManager = notificatorManager;
this.geocoder = geocoder;
geocodeOnRequest = config.getBoolean(Keys.GEOCODER_ON_REQUEST);
timeThreshold = config.getLong(Keys.NOTIFICATOR_TIME_THRESHOLD);
}
private void updateEvent(Event event, Position position) {
try {
event.setId(storage.addObject(event, new Request(new Columns.Exclude("id"))));
} catch (StorageException error) {
LOGGER.warn("Event save error", error);
}
forwardEvent(event, position);
if (System.currentTimeMillis() - event.getEventTime().getTime() > timeThreshold) {
LOGGER.info("Skipping notifications for old event");
return;
}
var notifications = cacheManager.getDeviceNotifications(event.getDeviceId())
.filter(notification -> notification.getType().equals(event.getType()))
.filter(notification -> {
if (event.getType().equals(Event.TYPE_ALARM)) {
String alarmsAttribute = notification.getString("alarms");
if (alarmsAttribute != null) {
return Arrays.asList(alarmsAttribute.split(","))
.contains(event.getString(Position.KEY_ALARM));
}
return false;
}
return true;
})
.filter(notification -> {
long calendarId = notification.getCalendarId();
Calendar calendar = calendarId != 0 ? cacheManager.getObject(Calendar.class, calendarId) : null;
return calendar == null || calendar.checkMoment(event.getEventTime());
})
.collect(Collectors.toUnmodifiableList());
Device device = cacheManager.getObject(Device.class, event.getDeviceId());
LOGGER.info(
"Event id: {}, time: {}, type: {}, notifications: {}",
device.getUniqueId(),
DateUtil.formatDate(event.getEventTime(), false),
event.getType(),
notifications.size());
if (!notifications.isEmpty()) {
if (position != null && position.getAddress() == null && geocodeOnRequest && geocoder != null) {
position.setAddress(geocoder.getAddress(position.getLatitude(), position.getLongitude(), null));
}
notifications.forEach(notification -> {
cacheManager.getNotificationUsers(notification.getId(), event.getDeviceId()).forEach(user -> {
for (String notificator : notification.getNotificatorsTypes()) {
try {
notificatorManager.getNotificator(notificator).send(notification, user, event, position);
} catch (MessageException exception) {
LOGGER.warn("Notification failed", exception);
}
}
});
});
}
}
private void forwardEvent(Event event, Position position) {
if (eventForwarder != null) {
EventData eventData = new EventData();
eventData.setEvent(event);
eventData.setPosition(position);
eventData.setDevice(cacheManager.getObject(Device.class, event.getDeviceId()));
if (event.getGeofenceId() != 0) {
eventData.setGeofence(cacheManager.getObject(Geofence.class, event.getGeofenceId()));
}
if (event.getMaintenanceId() != 0) {
eventData.setMaintenance(cacheManager.getObject(Maintenance.class, event.getMaintenanceId()));
}
eventForwarder.forward(eventData, (success, throwable) -> {
if (!success) {
LOGGER.warn("Event forwarding failed", throwable);
}
});
}
}
public void updateEvents(Map<Event, Position> events) {
for (Entry<Event, Position> entry : events.entrySet()) {
Event event = entry.getKey();
Position position = entry.getValue();
try {
cacheManager.addDevice(event.getDeviceId());
updateEvent(event, position);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
cacheManager.removeDevice(event.getDeviceId());
}
}
}
}
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