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-rw-r--r--src/main/java/org/traccar/helper/model/UserUtil.java11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/model/UserUtil.java b/src/main/java/org/traccar/helper/model/UserUtil.java
index 9919e1d95..9f93afeae 100644
--- a/src/main/java/org/traccar/helper/model/UserUtil.java
+++ b/src/main/java/org/traccar/helper/model/UserUtil.java
@@ -17,6 +17,11 @@ package org.traccar.helper.model;
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.TimeZone;
@@ -25,6 +30,12 @@ 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");
}