Module: PriceHubble::EntityConcern::Attributes::Range

Extended by:
ActiveSupport::Concern
Included in:
PriceHubble::EntityConcern::Attributes
Defined in:
lib/price_hubble/entity/concern/attributes/range.rb

Overview

A separated range typed attribute helper.

Class Method Summary collapse

Class Method Details

.typed_attr_range(name, **_args) ⇒ Object

Register a range attribute.

Parameters:

  • name (Symbol, String) —

    the name of the attribute

  • _args (Hash{Symbol => Mixed}) —

    additional options



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# File 'lib/price_hubble/entity/concern/attributes/range.rb', line 15

def typed_attr_range(name, **_args)
  class_eval <<-RUBY, __FILE__, __LINE__ + 1
    def #{name}
      # We cannot handle nil values
      return unless @#{name}

      # Otherwise we assume the hash contains a +lower+ and +upper+
      # key from which we assemble the range
      hash = @#{name}
      hash[:lower]..hash[:upper]
    end
  RUBY
end