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/*
* Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
* Copyright 2017 - 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.notification;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import java.nio.file.Paths;
import java.util.Locale;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.tools.generic.DateTool;
import org.apache.velocity.tools.generic.NumberTool;
import org.traccar.Context;
import org.traccar.helper.Log;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Position;
import org.traccar.model.User;
import org.traccar.reports.ReportUtils;
public final class NotificationFormatter {
private NotificationFormatter() {
}
public static VelocityContext prepareContext(long userId, Event event, Position position) {
User user = Context.getPermissionsManager().getUser(userId);
Device device = Context.getIdentityManager().getById(event.getDeviceId());
VelocityContext velocityContext = new VelocityContext();
velocityContext.put("user", user);
velocityContext.put("device", device);
velocityContext.put("event", event);
if (position != null) {
velocityContext.put("position", position);
velocityContext.put("speedUnit", ReportUtils.getSpeedUnit(userId));
velocityContext.put("distanceUnit", ReportUtils.getDistanceUnit(userId));
velocityContext.put("volumeUnit", ReportUtils.getVolumeUnit(userId));
}
if (event.getGeofenceId() != 0) {
velocityContext.put("geofence", Context.getGeofenceManager().getById(event.getGeofenceId()));
}
if (event.getMaintenanceId() != 0) {
velocityContext.put("maintenance", Context.getMaintenancesManager().getById(event.getMaintenanceId()));
}
String driverUniqueId = event.getString(Position.KEY_DRIVER_UNIQUE_ID);
if (driverUniqueId != null) {
velocityContext.put("driver", Context.getDriversManager().getDriverByUniqueId(driverUniqueId));
}
velocityContext.put("webUrl", Context.getVelocityEngine().getProperty("web.url"));
velocityContext.put("dateTool", new DateTool());
velocityContext.put("numberTool", new NumberTool());
velocityContext.put("timezone", ReportUtils.getTimezone(userId));
velocityContext.put("locale", Locale.getDefault());
return velocityContext;
}
public static Template getTemplate(Event event, String path) {
String templateFilePath;
Template template;
try {
templateFilePath = Paths.get(path, event.getType() + ".vm").toString();
template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
} catch (ResourceNotFoundException error) {
Log.warning(error);
templateFilePath = Paths.get(path, "unknown.vm").toString();
template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
}
return template;
}
public static MailMessage formatFullMessage(long userId, Event event, Position position) {
String templatePath = Context.getConfig().getString("message.full.templatesPath", "full");
VelocityContext velocityContext = prepareContext(userId, event, position);
String formattedMessage = formatMessage(velocityContext, userId, event, position, templatePath);
return new MailMessage((String) velocityContext.get("subject"), formattedMessage);
}
public static String formatShortMessage(long userId, Event event, Position position) {
String templatePath = Context.getConfig().getString("message.short.templatesPath", "short");
return formatMessage(null, userId, event, position, templatePath);
}
private static String formatMessage(VelocityContext vc, Long userId, Event event, Position position,
String templatePath) {
VelocityContext velocityContext = vc;
if (velocityContext == null) {
velocityContext = prepareContext(userId, event, position);
}
StringWriter writer = new StringWriter();
getTemplate(event, templatePath).merge(velocityContext, writer);
return writer.toString();
}
}
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