How can I customize error messages for validations in Ruby on Rails?
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How can I customize error messages for validations in Ruby on Rails?
In Ruby on Rails, you can customize error messages by using the errors.add method in your model. For example, you can add a custom message for a specific validation like this: errors.add(:attribute, 'custom message').
Can I use I18n for error messages?
Yes, you can use I18n for error messages. You can define custom messages in your locale files, like this: en.activerecord.errors.models.model_name.attributes.attribute_name.invalid: 'Your custom message'.
What if I want to add multiple error messages?
You can add multiple error messages by calling errors.add multiple times for the same attribute, or by using an array of messages.
Is there a way to display these messages in the view?
Yes, you can display error messages in your views using @model.errors.full_messages to show all error messages for a model.
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