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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)
exclusions = if delimiter.respond_to?(:call)
delimiter.call(record)
elsif delimiter.respond_to?(:to_sym)
record.send(delimiter)
else
delimiter
end
exclusions.send(inclusion_method(exclusions), value)
end
def delimiter
@delimiter ||= options[:in] || options[:within]
end
# In Ruby 1.9 <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, or DateTime ranges.
def inclusion_method(enumerable)
return :include? unless enumerable.is_a?(Range)
case enumerable.first
when Numeric, Time, DateTime
:cover?
else
:include?
end
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems