24 lines
697 B
Ruby
24 lines
697 B
Ruby
# encoding: UTF-8
|
|
# frozen_string_literal: true
|
|
|
|
class PrecisionValidator < ActiveModel::EachValidator
|
|
def validate_each(record, attribute, value)
|
|
return unless options.key?(:less_than_or_eq_to) && value.present?
|
|
|
|
precision = if options[:less_than_or_eq_to].respond_to?(:call)
|
|
options[:less_than_or_eq_to].call(record)
|
|
else
|
|
options[:less_than_or_eq_to]
|
|
end
|
|
|
|
unless value.is_a?(Numeric)
|
|
record.errors.add(attribute, 'must be a number')
|
|
return
|
|
end
|
|
|
|
unless value.round(precision) == value
|
|
record.errors.add(attribute, "precision must be less than or equal to #{precision}")
|
|
end
|
|
end
|
|
end
|