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Rails 3 HOW TO remove attribute prefix from validation error messages

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Traditional Chinese version is at RailsFun.


First, in most cases, you should translate displayed attribute name by i18n. Here are some solutions, including i18n way:

in Ruby Forum

in stackoverflow

But in my case, I just want to remove it from displaying. And if you want it too. This is my solution (thought a little bit ugly):

put it in initializers/override_human_attribute_name.rb

    class ActiveRecord::Base  
     def self.human_attribute_name(*attribute)  
     return ""  

And restart the rails server.

By the way, in in Ruby Forum. There is a solution that override human_attribute_name too with a custom mapping HUMANIZED_COLUMNS hash. But the solution doesn't work straightly. It's because in ActiveModel::Errors have it's own count method. Which need some calculate in human_attribute_name. And if you don't provide it in your override. It will fail on calling model_instance.errors.count

That's why i call super before returning empty string. Maybe you got better solution. Welcome provide in follow. I will appreciate your sharing!


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