Add new validator for all elements of an array
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27
app/validators/array_validator.rb
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27
app/validators/array_validator.rb
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# frozen_string_literal: true
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class ArrayValidator < ActiveModel::EachValidator
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# Taken from https://gist.github.com/justalever/73a1b36df8468ec101f54381996fb9d1
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def validate_each(record, attribute, values)
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Array(values).each do |value|
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options.each do |key, args|
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validator_options = {attributes: attribute}
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validator_options.merge!(args) if args.is_a?(Hash)
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next if value.nil? && validator_options[:allow_nil]
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next if value.blank? && validator_options[:allow_blank]
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validator_class_name = "#{key.to_s.camelize}Validator"
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validator_class = begin
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validator_class_name.constantize
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rescue NameError
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"ActiveModel::Validations::#{validator_class_name}".constantize
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end
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validator = validator_class.new(validator_options)
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validator.validate_each(record, attribute, value)
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end
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end
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end
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end
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