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All LessonsFree Lessons (4)

Introduction

Overview Introduction to the Course

Getting Started

What Is NestJS?Start Building a NestJS Application The Default Dependencies Understanding Modules Services in NestJS Controllers in NestJS Quiz on NestJS Building Blocks

NestJS CLI

Installing the NestJS CLI Creating a NestJS Application Start a NestJS Application Generating Controllers, Services, and Module From the CLI Quiz on NestJS CLI

Building a REST API

API Design Generating Modules, Controllers, and Services Entity Definition Getting a List of Resources Creating DTOs Creating Resources Getting Resources by ID Updating Resources by ID Deleting Resources by ID Adding Search Functionality Quiz on RESTful API Development with NestJS

Validation and Error Handling

Overview of Pipes in NestJS Custom Pipe Adding Validation Rules to the DTO Class Quiz on NestJS Data Validation and Security Fundamentals

Working with Databases

Connecting to PostgreSQL using TypeORM Implementing CRUD Operations with the TypeORM Repository Advanced Queries with TypeORM QueryBuilder Introduction to Relationships in TypeORM Quiz on TypeORM

App Configuration

Setting Up Environment Variables in a NestJS Application Configuration Validation with Joi Quiz on App Configuration

Authentication

Setting Up the Auth Module, Controller, Service, and Repository

Implementing Sign-Up

Implementing Sign-In

Using JSON Web Tokens (JWTs) for User Authorization

Adding Route Protections with Guards

Getting the Current User with a Custom Decorator

Quiz on Authentication

Authorization

Defining User Roles Understanding Role Retrieval in Guards Implementing Role-Based Authorization Quiz on Authorization

Testing

Testing Authentication Services Unit Testing for the signUp Method of AuthService Unit Testing for the Unregistered Email Scenario During Sign-In Unit Testing for the Invalid Password Scenario During Sign-In Unit Testing for the Valid Credentials Scenario During Sign-In Setting Up End-to-End Testing for Authentication E2E Tests for a Sign-Up Scenario E2E Tests for a Sign-In Scenario Quiz on Testing in NestJS

Logging

Introduction to Logging Quiz

Wrapping Up

Project

Build a Rest API for an Image-Sharing App With Node.js

Building a Back-End Application with NestJS/

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Implementing Sign-Up

Implementing Sign-Up

Learn how to implement sign-up in NestJS.

We'll cover the following...

Having successfully set up all the essential user and authentication (auth) files, we’re ready to delve deeper. In this lesson, we will learn the sign-up process, ensuring users experience a seamless registration for our virtual library.

Sign-up form

Defining `SignUpDto`

To register in our virtual library, users will need two essential pieces of information: email and password. To maintain the integrity of our system, we must ensure users provide both fields during the registration process.

Here are the requirements:

The value provided for email should be a valid email address.
The password should have a minimum length of 8 characters and a maximum length of 32 characters.

Based on these requirements, try to complete the SignUpDto:

Defining SignUpDto

Defining the `signUp` method in `AuthService`

The next step is to define the signUp method responsible for registration logic in AuthService.

Defining the signUp method in AuthService

Within the signUp method, we extract the email and password from SignUpDto and use the save method of this.userRepository to persist the user in our database.

If a user tries ...