Module: YiffSpace::Concerns::AttributeMethods::ClassMethods

Defined in:
lib/yiffspace/concerns/attribute_methods.rb

Instance Method Summary collapse

Instance Method Details

#array_attribute(name, parse: /[^[:space:]]+/, join_character: " ", cast: :itself) ⇒ Object

Defines <attribute>_string, <attribute>_string=, and <attribute>= methods for converting an array attribute to or from a string.

The <attribute>= setter parses strings into an array using the parse regex. The resulting strings can be converted to another type with the cast option.



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# File 'lib/yiffspace/concerns/attribute_methods.rb', line 15

def array_attribute(name, parse: /[^[:space:]]+/, join_character: " ", cast: :itself)
  define_method("#{name}_string") do
    send(name).join(join_character)
  end

  define_method("#{name}_string=") do |value|
    raise(ArgumentError, "#{name} must be a String") unless value.respond_to?(:to_str)

    send("#{name}=", value)
  end

  define_method("#{name}=") do |value|
    if value.respond_to?(:to_str)
      super(value.to_str.scan(parse).flatten.map(&cast))
    elsif value.respond_to?(:to_a)
      super(value.to_a)
    else
      raise(ArgumentError, "#{name} must be a String or an Array")
    end
  end
end