Module: EnumerizeWithGroups

Defined in:
lib/enumerize_with_groups.rb,
lib/enumerize_with_groups/version.rb

Constant Summary collapse

VERSION =
"0.3.0"

Class Method Summary collapse

Class Method Details

.extended(mod) ⇒ Object



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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"