How to redirect to previous page in Ruby On Rails?

🚀 How to Redirect to Previous Page in Ruby On Rails?

So, you're trying to redirect back to the previous page in your Ruby on Rails application? You want to ensure that after updating some data, you're redirected to the exact same page with the same sorting and filters. Well, you're in luck! We've got the solution for you.

📌 The Challenge

Let's understand the problem you're facing. You have a page that lists projects with sortable headers and pagination. When you choose to edit one of the projects, you're taken to a new page where you can make your changes. After updating the project, you want to be redirected back to the previous page with the same sorting and pagination intact.

🔍 The Solution

The redirect_back method comes to the rescue! This method allows you to redirect the user back to the page from which they came. In your case, it will take you back to the project list page with the same sorting and pagination.

Here's how you can use it in your Ruby on Rails application:

def update
  # Your update logic here

  redirect_back(fallback_location: root_path)
end

🔎 Understanding the Code

• The redirect_back method takes an optional fallback_location parameter, which specifies the default URL to redirect to if the previous URL is unknown. In this example, we're using root_path as the fallback location, but you can replace it with any URL of your choice.

• By default, redirect_back uses the request.referrer value to determine the previous URL. It looks for the Referer header in the HTTP request, which is usually set by the client. If the Referer header is missing or invalid, the fallback_location will be used.

💡 Pro Tips

1. Handling Different Controllers or Actions: If you want to redirect to a specific controller or action other than the previous one, you can use the redirect_to method with the desired URL. For example:

   def update # Your update logic here redirect_to projects_url(order: 'asc', page: 3, sort: 'code') end

2. Dealing with AJAX Requests: If you're using AJAX to update your data, redirect_back may not be applicable. In such cases, you can send a JSON response from your controller and handle redirection on the client-side using JavaScript.

🎯 Call-to-Action

Now that you know how to redirect back to the previous page in your Ruby on Rails application, it's time to implement it and save yourself from the hassle of manually tracking and redirecting. Give it a try and let us know how it works for you!

Have any other Ruby on Rails questions or challenges? Let us know in the comments below. Happy coding! 💻🚀