1 files changed, 118 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/notification/NotificationFormatter.java b/src/main/java/org/traccar/notification/NotificationFormatter.java
new file mode 100644
index 000000000..2f8100226
--- /dev/null
+++ b/src/main/java/org/traccar/notification/NotificationFormatter.java
@@ -0,0 +1,118 @@
+/*
+ * 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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.Context;
+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 static final Logger LOGGER = LoggerFactory.getLogger(NotificationFormatter.class);
+
+    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) {
+            LOGGER.warn("Notification template error", error);
+            templateFilePath = Paths.get(path, "unknown.vm").toString();
+            template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
+        }
+        return template;
+    }
+
+    public static FullMessage formatFullMessage(long userId, Event event, Position position) {
+        VelocityContext velocityContext = prepareContext(userId, event, position);
+        String formattedMessage = formatMessage(velocityContext, userId, event, position, "full");
+
+        return new FullMessage((String) velocityContext.get("subject"), formattedMessage);
+    }
+
+    public static String formatShortMessage(long userId, Event event, Position position) {
+        return formatMessage(null, userId, event, position, "short");
+    }
+
+    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();
+    }
+
+}