Add reporter

src/index.ts

@@ -31,7 +31,12 @@ kafka.init().then(() => {
     /**
      * pipe the stream from kafka fo neo4j
      */
-    consumer.pipe(new Neo4jStreamWriter({}, driver));
+    consumer
+      .pipe(new Neo4jStreamWriter({}, driver, core));
+
+    consumer.on('data', () => {
+      core.getReporter().setDataIn(1);
+    });
   });
 }, (err) => {
   core.getLogger().error('Error while connecting to kafka');

src/neo4j-stream-writer.ts

@@ -10,13 +10,16 @@
 import {Writable} from 'stream';
 import Session from 'neo4j-driver/types/v1/session';
 import Driver from 'neo4j-driver/types/v1/driver';
+import {InterfaceCore} from 'geolinker-common/dist/core';
 
 class Neo4jStreamWriter extends Writable {
   private neo4j;
   private timeout = 500;
-  constructor(options = {}, neo4j: Driver) {
+  private core;
+  constructor(options = {}, neo4j: Driver, core: InterfaceCore) {
     super(options);
     this.neo4j = neo4j;
+    this.core = core;
   }
 
   public async _write(chunk, encoding, callback) {
@@ -26,6 +29,7 @@ class Neo4jStreamWriter extends Writable {
     try {
       await neo4jSession.run(query);
       neo4jSession.close();
+      this.core.getReporter().setDataOut(1);
       setImmediate(callback);
     } catch (e) {
       neo4jSession.close();