Add android data support

Author: rikardwissing

android/src/main/java/com/b8ne/RNPusherPushNotifications/PusherWrapper.java

@@ -14,6 +14,8 @@
 import com.pusher.pushnotifications.SubscriptionsChangedListener;
 import com.pusher.pushnotifications.PushNotificationReceivedListener;
 
+import java.util.Map.Entry;
+
 //
 // TODO: verify the android manifest after https://docs.pusher.com/beams/reference/android
 /**
@@ -57,18 +59,24 @@ public void onResume(final Activity activity) {
             public void onMessageReceived(RemoteMessage remoteMessage) {
                 // Arguments.createMap seems to be for testing
                 // see: https://github.com/facebook/react-native/blob/master/ReactAndroid/src/main/java/com/facebook/react/bridge/WritableNativeMap.java#L16
-                //WritableMap map = Arguments.createMap();
+                // WritableMap map = Arguments.createMap();
                 final WritableMap map = new WritableNativeMap();
                 RemoteMessage.Notification notification = remoteMessage.getNotification();
 
+                final WritableMap data = new WritableNativeMap();
+                for (Entry<String, String> entry : remoteMessage.getData().entrySet()) {
+                    data.putString(entry.getKey(), entry.getValue());
+                }
+
                 if(notification != null) {
                     map.putString("body", notification.getBody());
                     map.putString("title", notification.getTitle());
                     map.putString("tag", notification.getTag());
                     map.putString("click_action", notification.getClickAction());
                     map.putString("icon", notification.getIcon());
                     map.putString("color", notification.getColor());
-                    //map.putString("link", notification.getLink());
+                    map.putMap("data", data);
+                    // map.putString("link", notification.getLink());
 
                     context.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class).emit(notificationEvent, map);
                     //System.out.print(remoteMessage.toString());

index.js

@@ -61,7 +61,23 @@ export default {
     if (Platform.OS === 'ios') {
       rnPusherPushNotificationsEmitter.addListener(eventName, payload => callback(payload));
     } else {
-      DeviceEventEmitter.addListener(eventName, payload => callback(payload));
+      DeviceEventEmitter.addListener(eventName, payload => {
+        if (eventName === "notification") {
+          for (var key in payload.data) {
+            if (payload.data.hasOwnProperty(key)) {
+              try {
+                payload.data[key] = JSON.parse(payload.data[key]);
+              } catch (err) {
+                console.log(
+                  "could not convert data in " + key + " to json",
+                  err
+                );
+              }
+            }
+          }
+        }
+        callback(payload);
+      });
     }
-  },
+  }
 };