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Gain insights into AdonisJs fundamentals. Delve into routes, controllers, middleware, and hooks. Discover practical examples, illustrations, and quizzes to confidently build your full-stack applications.

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This course is a detailed guide to AdonisJs. AdonisJs, inspired by Laravel, is a Node.js framework that allows developers to build full-stack web applications and micro-API servers. 

In this course, you will cover the fundamentals: routes, controllers, middleware, hooks, and more. Each chapter contains code examples and illustrations to enhance your learning, and you will also be able to quiz yourself on the materials covered. 

By the time you are done with the course, you'll have plenty of hands-on practice, and will be able to confidently write your full-stack applications in AdonisJs.

Building Full-Stack Web Applications with AdonisJs

# Redirecting requests

Let's say we want to redirect requests to different URLs. This will probably be based on an action or the user’s permission level. The following code shows the various methods you can use to do so:

HOST=0.0.0.0
PORT=3333
NODE_ENV=development
APP_URL=http://${HOST}:${PORT}
CACHE_VIEWS=false
APP_KEY=
DB_CONNECTION=mysql
DB_HOST=mysql
DB_PORT=3306
DB_USER=root
DB_PASSWORD=root
DB_DATABASE=newsletter
DB_SOCKETPATH=
SESSION_DRIVER=cookie
HASH_DRIVER=bcrypt

'use strict'

/*
|--------------------------------------------------------------------------
| Ace Commands
|--------------------------------------------------------------------------
|
| The ace file is just a regular Javascript file but with no extension. You
| can call `node ace` followed by the command name and it just works.
|
| Also you can use `adonis` followed by the command name, since the adonis
| global proxy all the ace commands.
|
*/

const { Ignitor } = require('@adonisjs/ignitor')

new Ignitor(require('@adonisjs/fold'))
  .appRoot(__dirname)
  .fireAce()
  .catch(console.error)


'use strict'

/*
|--------------------------------------------------------------------------
| Http server
|--------------------------------------------------------------------------
|
| This file bootstrap Adonisjs to start the HTTP server. You are free to
| customize the process of booting the http server.
|
| """ Loading ace commands """
|     At times you may want to load ace commands when starting the HTTP server.
|     Same can be done by chaining `loadCommands()` method after
|
| """ Preloading files """
|     Also you can preload files by calling `preLoad('path/to/file')` method.
|     Make sure to pass relative path from the project root.
*/

const { Ignitor } = require('@adonisjs/ignitor')

new Ignitor(require('@adonisjs/fold'))
  .appRoot(__dirname)
  .fireHttpServer()
  .catch(console.error)


React

Dart

GoJS React

Typescript React

Vue.js

> Press Run and wait for the welcome page to be displayed in the Output tab. Then, click on the link under the Run button and append **/enter** to it. You will be redirected to **/product/add**. You can also append **/macbook** to the link under the run button to get redirected to **/products/1**.

## Explanation

Look at line 9 of **app/Controllers/Http/TestController.js**. Here, we use the `response.redirect()` method to redirect the request to the URL `/product/add`. Notice that in line 20 of **start/routes.js**, we bind the route to the `enter()` method of `TestController`.

We can also redirect to a route via a route name. Take a look at line 20 of **app/Controllers/Http/TestController.js**. Here, `product.info` is the name of a route. We give this name to the `products/:product_id` route in line 23 of **start/routes.js** using the `as()` method. We bind the route to the `macbook()` method `TestController` in line 24 of the same file.

We can also redirect to a route via a controller method. Line 21 of **app/Controllers/Http/TestController.js** demonstrates this. 

# Setting a header

In the following code snippet, we use the `response.header()` method to set a header such that we get the response in XML format:

**app/Controllers/Http/TestController.js**

```
thinkpad({ response }) {
  response.header('Content-type','application/xml')
  return `<product>
  <id>1100</id>
  <name>Thinkpad X1</name> </product>`
}
```
Next, we define a route to the URL `/thinkpad`:

**start/routes.js**

```
Route.get('/thinkpad', 'TestController.thinkpad')
```

We encourage you to try this out yourself. The output should look something like this:

Look at how we can use the response methods to redirect requests and set a header.

Introduction

Routing and Middleware

Controllers and Views

Request and Response

Session, Validator, and Logger

Database

Hooks, Mail, and Events

Tests

Conclusion

Appendix

Using Response Methods

Redirecting requests