Form helpers (form_with) in Ruby on Rails - Mini Project: Build & Apply

Building a Simple User Registration Form with Rails form_with Helper

📖 Scenario: You are creating a simple user registration page for a website. Users will enter their name and email to sign up.We will build a form using Rails' form_with helper to make this easy and clean.

🎯 Goal: Build a user registration form using the Rails form_with helper that includes fields for name and email, and a submit button.

📋 What You'll Learn

Create a User model instance variable called @user

Use form_with helper with model: @user and local: true

Add text fields for name and email

Add a submit button labeled Register

💡 Why This Matters

🌍 Real World

Forms are everywhere on websites for user input like signups, logins, and feedback. Using Rails form helpers makes building these forms easier and consistent.

💼 Career

Understanding Rails form helpers is essential for backend and full-stack developers working with Rails to build user-friendly and maintainable web applications.

1

Set up the User instance variable

In the controller action, create an instance variable called @user and set it to a new User object using User.new.

Ruby on Rails

# Your code here

Need a hint?

This prepares a new user object for the form to use.

2

Start the form_with helper

In the view file, start a form_with block using model: @user and local: true to create a form tied to the user model.

Ruby on Rails

Need a hint?

This creates a form that Rails will link to the user model for submission.

3

Add text fields for name and email

Inside the form_with block, add a text field for name using form.text_field :name and a text field for email using form.text_field :email.

Ruby on Rails

Need a hint?

These fields let users enter their name and email.

4

Add a submit button

Inside the form_with block, add a submit button labeled Register using form.submit "Register".

Ruby on Rails

Need a hint?

The submit button sends the form data to the server.