From 22436a2434faa8912c8a352e65306d0dc0669b5c Mon Sep 17 00:00:00 2001
From: Leonhard Heizinger <leonhard.heizinger@ur.de>
Date: Wed, 10 Apr 2019 09:54:06 +0200
Subject: added Telegram Notification support

---
 .../traccar/notification/NotificatorManager.java   |  4 ++
 .../traccar/notificators/NotificatorTelegram.java  | 79 ++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 src/main/java/org/traccar/notificators/NotificatorTelegram.java

diff --git a/src/main/java/org/traccar/notification/NotificatorManager.java b/src/main/java/org/traccar/notification/NotificatorManager.java
index a4080a38d..191748379 100644
--- a/src/main/java/org/traccar/notification/NotificatorManager.java
+++ b/src/main/java/org/traccar/notification/NotificatorManager.java
@@ -31,6 +31,7 @@ import org.traccar.notificators.NotificatorNull;
 import org.traccar.notificators.Notificator;
 import org.traccar.notificators.NotificatorSms;
 import org.traccar.notificators.NotificatorWeb;
+import org.traccar.notificators.NotificatorTelegram;
 
 public final class NotificatorManager {
 
@@ -57,6 +58,9 @@ public final class NotificatorManager {
                 case "firebase":
                     defaultNotificator = NotificatorFirebase.class.getCanonicalName();
                     break;
+                case "telegram":
+                    defaultNotificator = NotificatorTelegram.class.getCanonicalName();
+                    break;
                 default:
                     break;
             }
diff --git a/src/main/java/org/traccar/notificators/NotificatorTelegram.java b/src/main/java/org/traccar/notificators/NotificatorTelegram.java
new file mode 100644
index 000000000..34e9f9c9d
--- /dev/null
+++ b/src/main/java/org/traccar/notificators/NotificatorTelegram.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 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.notificators;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.Context;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+import org.traccar.notification.NotificationFormatter;
+
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.InvocationCallback;
+
+public class NotificatorTelegram extends Notificator {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(NotificatorTelegram.class);
+
+    private String urlString = "https://api.telegram.org/bot%s/sendMessage";
+    private String apikey;
+    private String chatid;
+
+    public static class Message {
+        @JsonProperty("chat_id")
+        private String chatid;
+        @JsonProperty("text")
+        private String text;
+        @JsonProperty("parse_mode")
+        private String parsemode;
+
+    }
+
+    public NotificatorTelegram() {
+        apikey = Context.getConfig().getString("notificator.Telegram.apikey");
+        chatid = Context.getConfig().getString("notificator.Telegram.chatid");
+    }
+
+    @Override
+    public void sendSync(long userId, Event event, Position position) {
+
+        Message message = new Message();
+        message.chatid = chatid;
+        message.parsemode = "html";
+        message.text = NotificationFormatter.formatShortMessage(userId, event, position);
+
+        urlString =  String.format(urlString, apikey);
+        Context.getClient().target(urlString).request()
+                .async().post(Entity.json(message), new InvocationCallback<Object>() {
+            @Override
+            public void completed(Object o) {
+            }
+
+            @Override
+            public void failed(Throwable throwable) {
+                LOGGER.warn("Telegram API error", throwable);
+            }
+        });
+    }
+
+    @Override
+    public void sendAsync(long userId, Event event, Position position) {
+        sendSync(userId, event, position);
+    }
+
+}
-- 
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