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# File 'lib/activerecord/sti/enum.rb', line 25
def add_enum definitions
klass = self
definitions.each do |name, values|
enum_values = defined_enums[name.to_s] ||= ActiveSupport::HashWithIndifferentAccess.new
name = name.to_sym
klass.singleton_class.send(:define_method, name.to_s.pluralize) { enum_values }
_enum_methods_module.module_eval do
pairs = values.respond_to?(:each_pair) ? values.each_pair : values.each_with_index
pairs.each do |value, i|
enum_values[value] = i
define_method("#{value}?") { self[name] == i }
define_method("#{value}!") { update! name => value }
klass.scope value, -> { klass.where name => i }
end
end
defined_enums[name.to_s] = enum_values
end
end
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