diff --git a/src/client/actions/fileops.actions.tsx b/src/client/actions/fileops.actions.tsx
index 3c8ce8c..7bb334a 100644
--- a/src/client/actions/fileops.actions.tsx
+++ b/src/client/actions/fileops.actions.tsx
@@ -1,8 +1,14 @@
 import axios from "axios";
-import { IFolderData } from "../../server/interfaces/folder.interface";
-import { API_BASE_URI } from "../constants/endpoints";
+import {
+  IFolderData,
+  IExtractedComicBookCoverFile,
+} from "../../server/interfaces/folder.interface";
+import { API_BASE_URI, SOCKET_BASE_URI } from "../constants/endpoints";
 import { io } from "socket.io-client";
-import { IMS_SOCKET_DATA_FETCHED } from "../constants/action-types";
+import {
+  IMS_SOCKET_DATA_FETCHED,
+  IMS_SOCKET_CONNECTION_CONNECTED,
+} from "../constants/action-types";
 
 export async function walkFolder(path: string): Promise<Array<IFolderData>> {
   return axios
@@ -33,12 +39,15 @@ export const fetchComicBookMetadata = (options) => async (dispatch) => {
   };
   const walkedFolders = await walkFolder("./comics");
 
-  const socket = io("ws://localhost:3000/", {
+  const socket = io(SOCKET_BASE_URI, {
     reconnectionDelayMax: 10000,
   });
 
   socket.on("connect", () => {
     console.log(`connect ${socket.id}`);
+    dispatch({
+      type: IMS_SOCKET_CONNECTION_CONNECTED,
+    });
   });
 
   socket.on("disconnect", () => {
@@ -53,7 +62,7 @@ export const fetchComicBookMetadata = (options) => async (dispatch) => {
     opts: { garam: "pasha" },
   });
 
-  socket.on("comicBookCoverMetadata", (data) => {
+  socket.on("comicBookCoverMetadata", (data: IExtractedComicBookCoverFile) => {
     dispatch({
       type: IMS_SOCKET_DATA_FETCHED,
       data,
@@ -61,5 +70,3 @@ export const fetchComicBookMetadata = (options) => async (dispatch) => {
     });
   });
 };
-
-export const validate = (object) => {};
diff --git a/src/client/constants/endpoints.ts b/src/client/constants/endpoints.ts
index 507b144..d0f7506 100644
--- a/src/client/constants/endpoints.ts
+++ b/src/client/constants/endpoints.ts
@@ -1,3 +1,4 @@
 export const COMICBOOKINFO_SERVICE_URI =
   "http://localhost:6050/api/comicbookinfo/";
 export const API_BASE_URI = "http://localhost:8050/api/";
+export const SOCKET_BASE_URI = "ws://localhost:3000/";
diff --git a/src/client/shared/utils/nlp.utils.ts b/src/client/shared/utils/nlp.utils.ts
index 98e4837..757e526 100644
--- a/src/client/shared/utils/nlp.utils.ts
+++ b/src/client/shared/utils/nlp.utils.ts
@@ -44,8 +44,8 @@ export function tokenize(inputString) {
 }
 
 export function refineQuery(queryString) {
-  let queryObj = tokenize(queryString);
-  let removedYears = _.xor(
+  const queryObj = tokenize(queryString);
+  const removedYears = _.xor(
     queryObj.sentences.normalized,
     queryObj.years.yearMatches,
   );
diff --git a/src/client/workers/extractCovers.worker.ts b/src/client/workers/extractCovers.worker.ts
deleted file mode 100644
index cab062d..0000000
--- a/src/client/workers/extractCovers.worker.ts
+++ /dev/null
@@ -1,52 +0,0 @@
-import { walkFolder } from "../actions/fileops.actions";
-import { io } from "socket.io-client";
-import { IMS_SOCKET_DATA_FETCHED } from "../constants/action-types";
-
-export const fetchComicBookMetadata = (options) => async (dispatch) => {
-  console.log(options);
-  const targetOptions = {
-    sourceFolder: options,
-    extractTarget: "cover",
-    targetExtractionFolder: "./userdata/covers",
-    extractionMode: "bulk",
-  };
-
-  const pagingConfig = {
-    pageLimit: 25,
-    page: 1,
-  };
-  const extractionOptions = {
-    ...targetOptions,
-    paginationOptions: pagingConfig,
-  };
-  const walkedFolders = await walkFolder("./comics");
-
-  const socket = io("ws://localhost:3000/", {
-    reconnectionDelayMax: 10000,
-  });
-
-  socket.on("connect", () => {
-    console.log(`connect ${socket.id}`);
-  });
-
-  socket.on("disconnect", () => {
-    console.log(`disconnect`);
-  });
-  socket.emit("call", {
-    action: "getComicCovers",
-    params: {
-      extractionOptions,
-      walkedFolders,
-    },
-    opts: { garam: "pasha" },
-  });
-
-  socket.on("comicBookCoverMetadata", (data) => {
-    console.log(data);
-    dispatch({
-      type: IMS_SOCKET_DATA_FETCHED,
-      comicBookMetadata: data,
-      dataTransferred: true,
-    });
-  });
-};
diff --git a/src/client/workers/test.worker.ts b/src/client/workers/test.worker.ts
new file mode 100644
index 0000000..e69de29