fixed ignore

.gitignore

@@ -101,4 +101,5 @@ backend/migrationStats.txt
 dep-graph.png
 
 # TypeScript
-build/
+build/
+backend/worker.*

backend/.gitignore

@@ -2,4 +2,4 @@ lastId.txt
 log_success.txt
 log_failed.txt
 build
-worker
+worker.*

backend/worker.js

@@ -1,85 +0,0 @@
-const { config } = require("dotenv");
-const path = require("path");
-config({ path: path.join(__dirname, ".env") });
-
-const admin = require("firebase-admin");
-const serviceAccount = require("./credentials/serviceAccountKey.json");
-
-const { MongoClient } = require("mongodb");
-
-class DatabaseClient {
-  static mongoClient = null;
-  static db = null;
-  static collections = {};
-  static connected = false;
-  static async connect() {
-    const {
-      DB_USERNAME,
-      DB_PASSWORD,
-      DB_AUTH_MECHANISM,
-      DB_AUTH_SOURCE,
-      DB_URI,
-      DB_NAME,
-    } = process.env;
-    const connectionOptions = {
-      useNewUrlParser: true,
-      useUnifiedTopology: true,
-      connectTimeoutMS: 2000,
-      serverSelectionTimeoutMS: 2000,
-    };
-    if (DB_USERNAME && DB_PASSWORD) {
-      connectionOptions.auth = {
-        username: DB_USERNAME,
-        password: DB_PASSWORD,
-      };
-    }
-    if (DB_AUTH_MECHANISM) {
-      connectionOptions.authMechanism = DB_AUTH_MECHANISM;
-    }
-    if (DB_AUTH_SOURCE) {
-      connectionOptions.authSource = DB_AUTH_SOURCE;
-    }
-    this.mongoClient = new MongoClient(DB_URI, connectionOptions);
-    try {
-      await this.mongoClient.connect();
-      this.db = this.mongoClient.db(DB_NAME);
-      this.connected = true;
-    } catch (error) {
-      console.error(error.message);
-      console.error(
-        "Failed to connect to database. Exiting with exit status code 1."
-      );
-      process.exit(1);
-    }
-  }
-  static async close() {
-    if (this.connected) {
-      await this.mongoClient.close();
-    }
-  }
-  static collection(collectionName) {
-    if (!this.connected) {
-      return null;
-    }
-    if (!(collectionName in this.collections)) {
-      this.collections[collectionName] = this.db.collection(collectionName);
-    }
-    return this.collections[collectionName];
-  }
-}
-
-async function main() {
-  await DatabaseClient.connect();
-  await admin.initializeApp({
-    credential: admin.credential.cert(serviceAccount),
-  });
-  console.log("Database Connected!!");
-  run();
-}
-
-main();
-
-function run() {
-  //
-  console.log("test");
-}