Validating the Product Model
Explore how to implement key validation rules in the Product model of a Rails API. Understand how to enforce user association and ensure product prices are non-negative. This lesson guides you through testing these validations via the Rails console to maintain data quality in your application.
We'll cover the following...
We'll cover the following...
Validation is an essential part of building any application and prevents junk data from being saved onto the database.
Create validation rules
In the Product model, we have to ensure that the price is a number and is not negative. Another important validation is that every product should have a user. In this case, we need to validate the presence of the user_id.
We have added the code to ...