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Contents
module ActiveModel
module Validations
class BooleanPresenceValidator < ActiveModel::EachValidator
# You can't use validates :presence for boolean attributes!
# You could do this instead:
# validates_inclusion_of :attr, :in => [true, false]
# but the main reason to use this validator instead of is that the error message is better ("not
# in list? what list?") and the meaning is clearer when reading the code (we're validating the
# presence of a boolean attribute -- true or false).
def validate_each(record, attribute, value)
unless [true, false].include? value
record.errors.add attribute, :blank
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems