replacing the example of migration file

src/handlers.ts

@@ -2,7 +2,7 @@ import { Request, Response } from 'express';
 import dateModule from 'date-and-time';
 
 import { resolveAddress } from './geocoding';
-import { Address, AvailableTimeslots } from './types';
+import { Address, AvailableTimeslots, Orders } from './types';
 import { randomUUID } from 'crypto';
 import { getAvailableTimeSlots } from './services/timeslotsService';
 import { getHolidays } from './services/holidaysService';
@@ -28,7 +28,7 @@ export const resolveAddressHandler = (req: Request, res: Response) => {
   })
 };
 
-export const timeslotsHandler = async (req: Request, res: Response) => {
+export const timeslotsHandler = async (req: Request, res: Response): Promise<void> => {
   if (!req.body.address) {
     res.status(400).json({ error: 'Missing address' });
     return;
@@ -46,7 +46,7 @@ export const timeslotsHandler = async (req: Request, res: Response) => {
   return;
 };
 
-export const deliveriesHandler = (req: Request, res: Response) => {
+export const deliveriesHandler = (req: Request, res: Response): void => {
   const userId = req.body.userId;
   const slotId = req.body.timeslotId;
 
@@ -107,7 +107,7 @@ export const deliveriesHandler = (req: Request, res: Response) => {
 };
 
 
-export const cancelDeliveryHandler = (req: Request, res: Response) => {
+export const cancelDeliveryHandler = (req: Request, res: Response): void => {
   // TODO: Implement cancel delivery functionality
   // DELETE /deliveries/:deliveryId
   const deliveryId = req.params.deliveryId;
@@ -136,11 +136,11 @@ export const cancelDeliveryHandler = (req: Request, res: Response) => {
   return;
 };
 
-export const dailyDeliveriesHandler = (req: Request, res: Response) => {
+export const dailyDeliveriesHandler = (req: Request, res: Response): void => {
   // TODO: Implement daily deliveries functionality
   // GET /deliveries/daily - retrieve all today’s deliveries - by today in ordersByDates
   const date = dateModule.format(new Date(), dateFormat).split(' ')[0];
-  const todaysOrders = [];
+  const todaysOrders: Orders[] = [];
   if (ordersByDates.has(date)) {
     ordersByDates.get(date).forEach((orderId) => {
       todaysOrders.push(deliveriesCache.get(orderId));
@@ -151,13 +151,13 @@ export const dailyDeliveriesHandler = (req: Request, res: Response) => {
   return;
 };
 
-export const weeklyDeliveriesHandler = (req: Request, res: Response) => {
+export const weeklyDeliveriesHandler = (req: Request, res: Response): void => {
   // TODO: Implement weekly deliveries functionality
   // GET /deliveries/weekly - retrieve all week deliveries - from today to 7 days later in ordersByDates
   // this array will contain 7 elements - each element will be dates in the next 7 days
   // ["today", "tomorrow" ... ]
   const today = new Date();
-  const weeklyOrders = [];
+  const weeklyOrders: Orders [] = [];
   for (let i = 0; i < 7; i++) {
     const date = dateModule.format(new Date(today.setDate(today.getDate() + i)), dateFormat).split(' ')[0];
     if (ordersByDates.has(date)) {

src/migrations/20230424234230_create_timeslots_table.js

@@ -1,13 +1,13 @@
 exports.up = function(knex) {
-  return knex.schema.createTable('timeslots', function(table) {
-    table.increments('id').primary();
-    table.timestamp('start_time').notNullable();
-    table.timestamp('end_time').notNullable();
-    table.boolean('is_reserved').notNullable().defaultTo(false);
-    table.timestamps(true, true);
+  return knex.schema.createTable('orders', function(table) {
+    table.string('_id', 36).primary();
+    table.string('userId', 36).notNullable();
+    table.string('slotId', 36).notNullable();
+    table.string('deliveryCreatedDate', 255).notNullable();
   });
 };
 
+
 exports.down = function(knex) {
-  return knex.schema.dropTable('timeslots');
+  return knex.schema.dropTable('orders');
 };

src/types/index.js

@@ -1,2 +0,0 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });

src/types/index.ts

@@ -11,4 +11,11 @@ export interface AvailableTimeslots {
   id: string;
   start_time: string;
   end_time: string;
+}
+
+export interface Orders {
+  _id: string;
+  userId: string;
+  slotId: string;
+  deliveryCreatedDate: string;
 }