Module: PayPal::ExpressCheckout::Fields::ClassMethods

Defined in:
lib/paypal/express_checkout/fields.rb

Instance Method Summary collapse

Instance Method Details

#associations ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 372

def associations
  @associations ||= []
end

#field_groups ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 368

def field_groups
  @field_groups ||= []
end

#field_map ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 376

def field_map
  @field_map ||= field_groups.inject({}) do |memo, group|
    memo.merge(ATTRIBUTES[group])
  end.merge(ASSOCIATIONS.select{ |k,v| associations.include?(k) })
end

#has_fields(*args) ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 386

def has_fields(*args)
  @field_groups += (args & ATTRIBUTES.keys)
  @field_groups.each do |group|
    ATTRIBUTES[group].each_key do |field|
      attr_accessor field
    end
  end
end

#has_many(*args) ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 395

def has_many(*args)
  @associations += (args & ASSOCIATIONS.keys)
  @associations.each do |many|
    attr_accessor many
    class_eval %(
      def #{many}; @#{many} ||= [] end
    )
  end
end

#inheritable_attributes(*args) ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 405

def inheritable_attributes(*args)
  @inheritable_attributes ||= [:inheritable_attributes]
  @inheritable_attributes += args
  args.each do |arg|
    class_eval %(
      class << self; attr_accessor :#{arg} end
    )
  end
  @inheritable_attributes
end

#inherited(subclass) ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 416

def inherited(subclass)
  @inheritable_attributes.each do |inheritable_attribute|
    instance_var = "@#{inheritable_attribute}"
    subclass.instance_variable_set(instance_var, instance_variable_get(instance_var))
  end
end

#inverted_field_map ⇒ Object 



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# File 'lib/paypal/express_checkout/fields.rb', line 382

def inverted_field_map
  @inverted_field_map ||= field_map.invert
end