Using a Helper to Format the Price

Explore how to create and use helper methods to format prices in Rails views for better code maintainability and internationalization readiness. Learn to replace inline formatting with Rails' number_to_currency helper to improve your e-commerce application's presentation.

We'll cover the following...

A running application with a better price format

Ruby provides a sprintf() function that can be used to format prices. We could place logic that makes use of this function directly in the view. For example, we could say this:

<%= sprintf("$%0.02f", product.price)

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1.Getting Started

2.Instant Gratification

3.The Architecture of Rails Application

4.Introduction to Ruby

5.The Depot Application

6.Creating the Application

7.Validation and Unit Testing

8.Catalog Display

9.Cart Creation

10.A Smarter Cart

11.Adding a Dash of Ajax

12.Check Out

13.Entering Additional Payment Details

14.Sending Emails and Processing Payments Efficiently

15.Logging In

Project

16.Internationalization

17.Receive Emails and Respond with Rich Text

18.Finding Your Ways Around Rails

19.Active Record

20.Action Dispatch and Action Controller

21.Action View

22.Migrations

23.Customizing and Extending Rails

24.Conclusion

25.Appendix

Using a Helper to Format the Price