[Rails] Re: Customise message for validates_uniqueness_of

Ruby on Rails Monday, July 28, 2014

This is along the lines of what Matt is referring to.

class DayValidator < ActiveRecord::Validator
  def validate()
    if YOUR_TEST_FOR_INVALIDITY(record.day)
      date = Date::DAYNAMES[record.day]
      record.errors[:day] << "already has a target #{date}"
    end
  end
end

class YourClass < ActiveRecord::Base
  validates_with DayValidator
end




On Friday, July 25, 2014 9:21:08 PM UTC-6, Ricky Hopkins wrote:
I am trying to convert an integer to a DAYNAME in my validation message

validates_uniqueness_of :day, scope: :store, :message => "already has a target for #{Date::DAYNAMES[self.day]}."

This does not seem to work, I cannot access the day value.
The following displays the correct value

validates_uniqueness_of :day, scope: :store, :message => "already has a target for %{value}."

This throws an error:

validates_uniqueness_of :day, scope: :store, :message => "already has a target for #{Date::DAYNAMES[%{value}]}."


Any help would be Amazing!

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Posted by Ruby on Rails at 1:55 PM

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