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# File 'lib/enumerize_with_groups.rb', line 5
def self.extended(mod)
unless mod.respond_to?(:enumerize)
fail <<-MESSAGE
You have to `extend Enumerize` before `extend EnumerizeWithGroups`.
MESSAGE
end
mod.module_eval do
def self.enumerize(name, options = {})
super
self.define_singleton_method("#{name}_groups") do
options[:groups]
end
if options[:groups]
options[:groups].each do |key, items|
scope_name = "enumerize_with_groups_#{name}_#{key}_group"
self.define_singleton_method("#{name}_#{key}") do
items
end
define_method("in_#{name}_#{key}?") do
values = options[:groups][key]
fail "You have to define #{key} as group" unless values.is_a?(Array)
values.map(&:to_s).include?(self.public_send(name))
end
if self.ancestors.include?(ActiveRecord::Base)
scope scope_name, ->{ where(name => items) }
self.define_singleton_method("#{name}_#{key}_scope") do
self.send(scope_name)
end
end
end
end
end
end
end
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