refactor: rm unused resources from hub backend

hub-resources/db.js

@@ -1,5 +1,4 @@
 const MongoClient = require('mongodb').MongoClient;
-const ObjectId = require('mongodb').ObjectID;
 
 let db;
 
@@ -27,22 +26,6 @@ async function findAndModify(collection, param, data) {
   return db.collection(collection).findOneAndUpdate(param, data, { upsert: true, returnNewDocument: true });
 }
 
-async function insertMany(collection, data) {
-  return db.collection(collection).insertMany(data);
-}
-
-async function update(collection, params, data) {
-  return db.collection(collection).findOneAndUpdate(params, data, { returnOriginal: false });
-}
-
-async function remove(collection, params) {
-  return db.collection(collection).deleteOne(params);
-}
-
-async function removeMany(collection, params) {
-  return db.collection(collection).deleteMany(params);
-}
-
 module.exports = {
   async initMongo(MONGO_URL) {
     const mongo = await MongoClient.connect(MONGO_URL, { useUnifiedTopology: true });

hub-resources/hubAPI.js

@@ -1,5 +1,4 @@
 const express = require('express')
-const fs = require('fs');
 const axios = require('axios');
 const cors = require('cors');
 const db = require('./db');
@@ -323,22 +322,4 @@ async function getImageDetails(image, id) {
 	imageData.readmeHTML = readmeRendered;
 
 	return imageData;
-}
-
-function promisify(inner) {
-	return new Promise((resolve, reject) =>
-		inner((err, res) => {
-			if (err) { reject(err) }
-
-			resolve(res);
-		})
-	);
-}
-
-function readFile(filename) {
-	return promisify(cb => fs.readFile(filename, cb));
-}
-
-function writeFile(filename, data) {
-	return promisify(cb => fs.writeFile(filename, data, cb));
 }