For a school project I need to make a backend app. I use mysql database with two tables, one for products and one for rent information. @Post(‘:id/rent’) async rent(@Param(‘id’) id: number){ const carRepo= this.dataSource.getRepository(Car); const rentalRepo = this.dataSource.getRepository(Rental); const rental= new Rental; rental.start_date= new Date(); rental.end_date=new Date(); rental.end_date.setDate(rental.start_date.getDate() + 7) const car = await carRepo.findOneBy({id});… Read More In Nest js I need to write an endpoint which makes a new "rent", is this a valid code?

I want to install NestJS with the npm i -g @nestjs/cli command. npm ERR! code ENOTEMPTY npm ERR! syscall rename npm ERR! path /usr/local/lib/node_modules/@nestjs/cli npm ERR! dest /usr/local/lib/node_modules/@nestjs/.cli-seuz8ewr npm ERR! errno -39 npm ERR! ENOTEMPTY: directory not empty, rename ‘/usr/local/lib/node_modules/@nestjs/cli’ -> ‘/usr/local/lib/node_modules/@nestjs/.cli-seuz8ewr’ npm ERR! A complete log of this run can be found in: npm… Read More Problems to install NestJS

I have the following NgrokService here: @Injectable() export class NgrokService implements OnApplicationBootstrap, OnApplicationShutdown { port: string ngrokToken: string ngrok: typeof import(‘ngrok’) | null = null constructor(private readonly configService: ConfigService) { this.port = this.configService.get(‘API_PORT’) ?? ‘3001’ this.ngrokToken = this.configService.getOrThrow(‘NGROK_TOKEN’) if (process.env.NODE_ENV === ‘development’) this.ngrok = require(‘ngrok’) } async onApplicationBootstrap() { if (process.env.NODE_ENV !== ‘development’) { return… Read More Why is my Nestjs Service being instantiated twice?

I have the following NgrokService here: @Injectable() export class NgrokService implements OnApplicationBootstrap, OnApplicationShutdown { port: string ngrokToken: string ngrok: typeof import(‘ngrok’) | null = null constructor(private readonly configService: ConfigService) { this.port = this.configService.get(‘API_PORT’) ?? ‘3001’ this.ngrokToken = this.configService.getOrThrow(‘NGROK_TOKEN’) if (process.env.NODE_ENV === ‘development’) this.ngrok = require(‘ngrok’) } async onApplicationBootstrap() { if (process.env.NODE_ENV !== ‘development’) { return… Read More Why is my Nestjs Service being instantiated twice?

I need your help. I recently started learning the nestjs framework. I am currently trying to do CRUD operations without a database. I have 2 methods: getAllUsers and getDifferentUser. I manage to get all users, but I can’t get a user by id. I don’t get any error, 200 response, but my response is empty.… Read More NestJS – No response getById request

I ran into a problem with NestJS dependencies, I just started learning Nest and still don’t quite understand how to build the structure correctly. Nest can’t resolve dependencies of the ChatGateway (?). Please make sure that the argument ChatAuth at index [0] is available in the ChatGateway context. My error in terminal chat.module.ts ` import… Read More Nest can't resolve dependencies

I am building backend API with Nestjs and I want to access exeptions from frontend this is a simple example from login endpoint when user enters non-existent email : const user = await this.userModel.findOne({ email }); if (!user) { throw new NotFoundException(’email does not exist .’); } now when I send request from my Nextjs… Read More how to access exceptions thrown by Nestjs from frontend?

I am trying to loop through an array and for each id, update the model, then push the result in another array this is my code : async function getSortedAnimals() { var i = 0; var sortedAnimals = []; ids.forEch(async (id) => { i++; const animal = await this.animalModel.findOneAndUpdate( { _id: id }, { $set:… Read More Async await does not await

I am reading Modules in NestJS official documentation and I wanted to try shared modules. So, I have the following structure for my application: src ├── cats │ ├── cats.controller.ts | ├── cats.module.ts | └── cats.service.ts ├── users │ ├── users.controller.ts | ├── users.module.ts | └── users.service.ts ├── app.controller.ts ├── app.module.ts ├── app.service.ts └── main.ts… Read More NestJS Shared Modules

I’m learning NestJS and now I’m working in a simple authentication application, at this point I configured global pipes to validations and I’m using dto classes for example to validate @Body() fields. I don’t know if I can use DTO to validate @Request fields sent from login endpoint. import { Controller, Post, Request, UseGuards }… Read More NestJS Is a good aproach using DTO classes in request object?