Module: CastingAttributes::ClassMethods

Defined in:
lib/casting_attributes.rb

Instance Method Summary collapse

Instance Method Details

#casting_attr_accessor(attr, type_name, options = {}) ⇒ Object 



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# File 'lib/casting_attributes.rb', line 34

def casting_attr_accessor(attr, type_name, options = {})
  casting_attr_reader(attr, type_name, options)
  casting_attr_writer(attr, type_name)
end

#casting_attr_reader(attr, type_name, options = {}) ⇒ Object 



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# File 'lib/casting_attributes.rb', line 7

def casting_attr_reader(attr, type_name, options = {})
  default_value = options[:default] 

  caster = _caster_by_type_name(type_name).new(self, attr)
  caster.readers.each do |reader|
    define_method reader do
      value = instance_variable_get(caster.storage_var)
      if !value and default_value
        instance_variable_set(caster.storage_var, default_value)
        value = default_value
      end
      value
    end
  end
  true
end

#casting_attr_writer(attr, type_name) ⇒ Object 



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# File 'lib/casting_attributes.rb', line 24

def casting_attr_writer(attr, type_name)
  caster = _caster_by_type_name(type_name).new(self, attr)
  caster.writers.each do |writer|
    define_method writer do |value|
      instance_variable_set(caster.storage_var, caster.typecast(value))
    end
  end
  true
end