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/*
* Copyright 2022 Anton Tananaev (anton@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.helper.model;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.model.Server;
import org.traccar.model.User;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Order;
import org.traccar.storage.query.Request;
import java.util.Date;
import java.util.TimeZone;
public final class UserUtil {
private UserUtil() {
}
public static boolean isEmpty(Storage storage) throws StorageException {
return storage.getObjects(User.class, new Request(
new Columns.Include("id"),
new Order("id", false, 1))).isEmpty();
}
public static String getDistanceUnit(Server server, User user) {
return lookupStringAttribute(server, user, "distanceUnit", "km");
}
public static String getSpeedUnit(Server server, User user) {
return lookupStringAttribute(server, user, "speedUnit", "kn");
}
public static String getVolumeUnit(Server server, User user) {
return lookupStringAttribute(server, user, "volumeUnit", "ltr");
}
public static TimeZone getTimezone(Server server, User user) {
String timezone = lookupStringAttribute(server, user, "timezone", null);
return timezone != null ? TimeZone.getTimeZone(timezone) : TimeZone.getDefault();
}
private static String lookupStringAttribute(Server server, User user, String key, String defaultValue) {
String preference;
String serverPreference = server.getString(key);
String userPreference = user.getString(key);
if (server.getForceSettings()) {
preference = serverPreference != null ? serverPreference : userPreference;
} else {
preference = userPreference != null ? userPreference : serverPreference;
}
return preference != null ? preference : defaultValue;
}
public static void setUserDefaults(User user, Config config) {
user.setDeviceLimit(config.getInteger(Keys.USERS_DEFAULT_DEVICE_LIMIT));
int expirationDays = config.getInteger(Keys.USERS_DEFAULT_EXPIRATION_DAYS);
if (expirationDays > 0) {
user.setExpirationTime(new Date(System.currentTimeMillis() + expirationDays * 86400000L));
}
}
}
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