![HttpContext](/img/1/context_1697770135031.png?w=800)
![HttpContext](/img/1/context_1697770135031.png?w=192)
HttpContext
The AdonisJS HttpContext is unique to each request. It contains information about a specific request like the request body, matched route, headers, cookies, the authenticated user, and much more.
Series.
Lessons.
![Organizing your AdonisJS Logic](/img/1/organizing-business-logic-operations_1721419785966.jpeg?w=650)
Three Approaches for Organizing your AdonisJS Business Logic Operations
In this lesson, we'll dive deep into three different ways we can organize our code; fat controllers, services, and actions. We'll also discuss circular dependencies, static and non-static service methods, and dependency injection.
![Video preview](https://videos.adocasts.com/4e59a1e8-3e50-43f8-bfee-ee50dfc1d930/preview.webp)
![Posting an Array of Objects with HTML Forms](/img/1/posting-an-array-of-objects-with-html-forms_1719352308432.jpeg?w=650)
Posting Objects, Arrays, and an Array of Objects in HTML Forms
In this lesson, we'll learn how we can use form field names to send an array of objects with our HTML form submission. We'll discuss pitfalls to watch out for and how we use AlpineJS to simplify index syncing within our field names.
![Video preview](https://videos.adocasts.com/2b46194a-5849-4216-9498-689e375ace71/preview.webp)
![Download Storage Images](/img/1/using-a-wildcard-route-param-to-download-storage-images_1718819858520.jpeg?w=650)
Using A Wildcard Route Param to Download Storage Images
In this lesson, we'll learn how we can utilize a wildcard route parameter to dynamically download images that've been uploaded and stored within our application storage.
![Video preview](https://videos.adocasts.com/08eeb95a-57e5-499e-a5fe-014494656798/preview.webp)
![Allowing Users To Edit Their Profile](/img/1/allowing-users-to-edit-their-profile_1716938760865.jpeg?w=650)
Using Dependency Injection to Update A User's Profile
In this lesson, we'll learn how to allow users to edit their profiles. We'll also cover how we can inject the HttpContext into a service instance using Dependency Injection (DI).
![Video preview](https://videos.adocasts.com/fab3ed6f-2d0d-4d3e-8a16-a787d02274ce/preview.webp)
![Validating Query String Filter Values](/img/1/validating-query-string-filter-values_1714943830507.jpeg?w=650)
Validating Query String Filter Values
In this lesson, we'll learn how to use VineJS, AdonisJS' Validator, to validate the filter properties and values we have within our query string.
![Video preview](https://videos.adocasts.com/32c92812-4568-444c-a5ae-bd33b7adb5d4/preview.webp)
![Checking For and Populating an Authenticated User](/img/1/checking-for-and-populating-an-authenticated-user_1713558061741.jpeg?w=650)
Checking For and Populating an Authenticated User
In this lesson, we'll create a silent auth middleware that will automatically check whether a request has an authenticated user attached to it, and populate that user's details if one is found.
![Video preview](https://videos.adocasts.com/0236fb26-92a4-4f33-8d46-7f9c5ee2ec2f/preview.webp)
![Authenticating A Newly Registered User](/img/1/authenticating-a-newly-registered-user_1713557940626.jpeg?w=650)
Authenticating A Newly Registered User
In this lesson, we'll learn how we can authenticate, or login, a new user who just registered with our application. We'll then see how we can populate the authenticated user's details on subsequent requests.
![Video preview](https://videos.adocasts.com/5e47e382-b604-47ef-8700-ce5ba2bd250b/preview.webp)
![The Flow of Middleware](/img/1/the-flow-of-middleware_1713557920719.jpeg?w=650)
The Flow of Middleware
In this lesson, we'll learn about the middleware that comes preinstalled within AdonisJS and the flow of this middleware during an HTTP Request at both a global and route-specific scale.
![Video preview](https://videos.adocasts.com/b5a90412-ec8a-44a1-ae56-e797f502aba3/preview.webp)
![AdonisJS 6 Session Authentication in 15 Minutes](/img/1/adonisjs-6-session-auth-in-15-minutes_1713397471654.jpeg?w=650)
AdonisJS 6 Session Authentication in 15 Minutes
In this lesson, we'll learn how to add authentication to a new AdonisJS 6 application using the session guard. In these 15 minutes, you'll learn how to register a user, logout a user, verify a user's credentials and log them in, and more.
![Video preview](https://videos.adocasts.com/d8a6d8c3-98c6-4940-90f7-abc47a845746/preview.webp)
![Creating A Login Form and Validator](/img/1/creating-a-login-form_1712872122576.jpeg?w=650)
Creating A Login Form and Validator
In this lesson, we'll apply what we've learned to create a login page as well as a validator for our login form.
![Video preview](https://videos.adocasts.com/27d49160-30ef-4d46-aa34-b7126d70e9b6/preview.webp)
![Displaying Validation Errors](/img/1/displaying-validation-errors_1712609894830.jpeg?w=650)
Displaying Validation Errors and Validating from our Request
In this lesson, we'll learn how we can display feedback for invalid fields noted by errors from our VineJS validators. We'll also see how we can validate directly from our request using request data.
![Video preview](https://videos.adocasts.com/527be4b0-6f13-421d-ba9f-3dc511bd5c96/preview.webp)
![Validating Form Data with VineJS](/img/1/form-validation_1712609716349.jpeg?w=650)
Validating Form Data with VineJS
In this lesson, we'll learn how to validate form data using AdonisJS homegrown validation library, VineJS. With VineJS we can easily ensure our request body consists of properties we need, in the types we need them, with valid values.
![Video preview](https://videos.adocasts.com/3f5d245d-1904-4002-8c56-58686b8c7659/preview.webp)
![Form Basics and CSRF Protection](/img/1/form-basics-and-csrf-protection_1708124848643.jpeg?w=650)
Form Basics and CSRF Protection
In this lesson, we'll cover the basics of working with HTML forms in AdonisJS and how they incorporate Cross-Site Request Forgery (CSRF) protection via AdonisJS Shield.
![Video preview](https://videos.adocasts.com/63c00363-8f86-4b8c-a51d-617e839ec71a/preview.webp)
![Share vs Global Data Flow](/img/1/share-vs-global-data-flow_1708124615958.jpeg?w=650)
Share vs Global Data Flow
In this lesson, we'll compare the difference between sharing information with an EdgeJS instance and defining a Global within EdgeJS.
![Video preview](https://videos.adocasts.com/3b16bab6-e09f-40b2-b35b-0a19e6c5bf5f/preview.webp)
![State vs Share Data Flow](/img/1/state-vs-share-data-flow_1708124440883.jpeg?w=650)
State vs Share Data Flow
In this lesson, we'll learn about the difference between passing information directly into EdgeJS' state and sharing information with EdgeJS.
![Video preview](https://videos.adocasts.com/7862dc23-bcde-4e60-9b99-20b8eeacf355/preview.webp)
![Singleton Services and the Idea of Caching](/img/1/singleton-services-and-the-idea-of-caching_1706651373039.jpeg?w=650)
Singleton Services and the Idea of Caching
In this lesson, we'll learn about singleton services and how to use them as a store to hold temporary information throughout our server's life by building a simple in-memory caching service.
![Video preview](https://videos.adocasts.com/72a360c1-f533-4aef-980a-8dfc5446772f/preview.webp)
![Cleaning Up Routes with Controllers](/img/1/cleaning-routes-with-controllers-02_1706711861915.jpeg?w=650)
Cleaning Up Routes with Controllers
In this lesson, we'll learn what controllers are and how they can be used to drastically simplify our route definitions by allowing us to move our route handlers off the route definition and into the controller.
![Video preview](https://videos.adocasts.com/b83afd27-bb3f-4a07-9d57-1defb7a81db6/preview.webp)
![Adocasts Plus Exclusive](/imgs/plus-badge-100.png)
![Location from user IP address](/img/1/2023-location-from-ip_1698965604824.jpeg?w=650)
How To Get City and State Info from User’s IP Address using IP2Location
In this lesson, we'll learn how to get our user's city, region, and country location information using their IP address.
![](/img/1/2022-LLA5-4_1644679623460.jpeg?w=650)
Service Providers & The IoC Container
We'll learn about Service Providers and how they interact with the IoC Container. We'll then put this to practice by wrapping a NodeJS package so it's easy to use within AdonisJS
![](/img/1/2021-LB-JAGR-04_1660688045349.jpeg?w=650)
Rebuilding Jagr.Co, Social Auth & Image Management
In this stream, we work on finishing up social authentication using AdonisJS Ally. Then, we'll add project and permission settings and image uploading to Digital Ocean Spaces.
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