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# frozen_string_literal: true
require "active_support/core_ext/range"
module ActiveModel
module Validations
module Clusivity #:nodoc:
ERROR_MESSAGE = "An object with the method #include? or a proc, lambda or symbol is required, " \
"and must be supplied as the :in (or :within) option of the configuration hash"
def check_validity!
unless delimiter.respond_to?(:include?) || delimiter.respond_to?(:call) || delimiter.respond_to?(:to_sym)
raise ArgumentError, ERROR_MESSAGE
end
end
private
def include?(record, value)
members = if delimiter.respond_to?(:call)
delimiter.call(record)
elsif delimiter.respond_to?(:to_sym)
record.send(delimiter)
else
delimiter
end
members.send(inclusion_method(members), value)
end
def delimiter
@delimiter ||= options[:in] || options[:within]
end
# After Ruby 2.2, <tt>Range#include?</tt> on non-number-or-time-ish ranges checks all
# possible values in the range for equality, which is slower but more accurate.
# <tt>Range#cover?</tt> uses the previous logic of comparing a value with the range
# endpoints, which is fast but is only accurate on Numeric, Time, Date,
# or DateTime ranges.
def inclusion_method(enumerable)
if enumerable.is_a? Range
case enumerable.first
when Numeric, Time, DateTime, Date
:cover?
else
:include?
end
else
:include?
end
end
end
end
end
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