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