NestJS Zero to Hero - Modern TypeScript Back-end Development

Creating a TasksModule that will encapsulate any components and files related to tasks.

Creating a TasksController that handles incoming HTTP requests for the tasks resource.

Creating the TaskService and injecting it into the controller.

I also explain some design decisions, such as defining the tasks array as private and naming of methods.

Adding the functionality of retrieving all tasks.

Applying what we learned about Data Transfer Objects and creating a DTO for when creating a new task.

Adding support for getting a single task by ID.

This is my solution to deleting a task.

Here's my solution to the challenge of updating an existing task's status.

Implementing the feature of searching and filtering tasks.

Introduction to NestJS Pipes.

Using the NestJS built-in ValidationPipe and the class-validator NPM package, we will validate the "title" and "description" parameters when creating a task.

Handling a case where a task with a given ID does not exist.

Handling a case where attempting to delete a task that does not exist.

Creating a custom pipe to validate that the provided status is valid when updating the status.

Using the NestJS built-in ValidationPipe and the class-validator NPM package, we will add validation when applying filters to tasks or searching for tasks by term.

Using pgAdmin as an interface to create a new database.

Introduction to the TypeORM object-relational-mapping library.

Connecting the NestJS application to our database, using TyepOrmModule.

Creating a TypeORM Entity for tasks.

Creating a custom repository for handling task-related database operations.

Small changes to our application that will make our persistence refactoring easier.

Refactoring the "get task by ID" feature, retrieving the tasks from the database.

Refactoring the "create task by ID" feature, saving the new task in the database.

Challenge: Refactoring the "delete task by ID" feature, deleting the task from the database table.

Solution to the challenge fo refactoring the task deletion logic to introduce data persistence.

Persistence support for the operation of updating a task's status.

Persistence support for getting tasks (with or without filters).

Setting up NestJS' JwtModule and PassportModule to help us with authentication and authorization.

Signing a JWT token with the relevant payload upon successful authentication.

Setting up the JWT-based strategy to be used by Passport.js for authorizing users.

Creating a custom @GetUser() decorator to retrieve the user from the request object.

Applying an authorization guard on the Tasks routes.