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Validator

The AdonisJS Validator is a first-party package that's included with every AdonisJS application. It allows you to easily validate information directly off the request and in a standalone fashion. You can create custom validation rules as well.

5 Series
38 Lessons
Validation dials

Lessons

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Managed Transactions and Syncing Movie Cast Members
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Managed Transactions and Syncing Movie Cast Members

In this lesson, we'll learn how we can use what we learned in the last lesson to also sync our cast members. We'll then extract this functionality into a service and wrap it within a managed database transactions.

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Posting an Array of Objects with HTML Forms
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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.

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Uploading Movie Cover Images
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Uploading Movie Cover Images in our Create or Edit Form

In this lesson, we'll learn how to upload movie cover images when either creating or editing a movie via our create or edit form.

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Allowing Admins to Update Movies and Clear Values
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Allowing Admins to Update Movies and Clear Values

In this lesson, we'll recreate our movie form for the purpose of updating our movies. We'll also add the ability to clear values and discuss the difference between VineJS' optional and nullable chain options.

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Allowing Admins to Create Movies
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Allowing Admins to Create Movies

In this lesson, we'll allow our administrators to create movies via our admin panel. We'll walk through getting the form set up, validated, and our movies created.

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Uploading and Displaying User Avatars
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Uploading and Displaying User Avatars

In this lesson, we'll learn how to validate and upload avatar images into our project's storage. We'll then learn how we can easily display images we have contained within our app's storage

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Allowing Users To Edit Their Profile
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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).

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Validating Query String Filter Values
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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.

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AdonisJS 6 Session Authentication in 15 Minutes
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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.

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How To Create A Custom VineJS Validation Rule
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How To Create A Custom VineJS Validation Rule

In this lesson, we'll learn how to make a custom validation rule with VineJS that requires a value to be unique for the provided table and column. We'll learn how we can register this rule for both strings and number types.

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Creating A Login Form and Validator
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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.

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Creating An EdgeJS Form Input Component
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Creating An EdgeJS Form Input Component

In this lesson, we'll create a form input component with EdgeJS to simplify adding inputs throughout our application and to extract away old value and validation error logic.

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Reusing Old Form Value After A Validation Error
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Reusing Old Form Values After A Validation Error

In this lesson, we'll learn how we can easily repopulate our form input values with their previously submitted values when our VineJS validator finds and sends back an error.

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Displaying Validation Errors
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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.

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Validating Form Data with VineJS
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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.

AdonisJS Authentication in 15 Minutes

We'll be creating a new AdonisJS project and adding authentication to it within 15 minutes. You'll be able to logout, register, and login with either your username or email.

Rebuilding Jagr.Co, Password Reset & Account Locking

In this livestream, we'll add a system to lock users' accounts after so many bad login attempts and we'll also add in the password reset flow.

Rebuilding Jagr.Co, Username Sign In & Post CRUD

In this livestream we cover adding the ability to sign in using either a username or email address. We also dig into setting up the ability to create, read, update, and delete our posts.

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