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-rw-r--r--src/main/java/org/traccar/helper/UserUtil.java57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/UserUtil.java b/src/main/java/org/traccar/helper/UserUtil.java
new file mode 100644
index 000000000..6050ad349
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+++ b/src/main/java/org/traccar/helper/UserUtil.java
@@ -0,0 +1,57 @@
+/*
+ * 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;
+
+import org.traccar.model.Server;
+import org.traccar.model.User;
+
+import java.util.TimeZone;
+
+public final class UserUtil {
+
+ private UserUtil() {
+ }
+
+ 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;
+ }
+
+}