Module: Minidoc::Associations::ClassMethods

Defined in:
lib/minidoc/associations.rb

Instance Method Summary collapse

Instance Method Details

#associations ⇒ Object 



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# File 'lib/minidoc/associations.rb', line 7

def associations
  @associations ||= {}
end

#belongs_to(association_name, options = {}) ⇒ Object 



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# File 'lib/minidoc/associations.rb', line 11

def belongs_to(association_name, options = {})
  options[:class_name] ||= "#{self.parent.name}::#{association_name.to_s.camelize}"

  association_name = association_name.to_sym
  associations[association_name] = options

  attribute "#{association_name}_id", BSON::ObjectId

  define_method("#{association_name}=") do |value|
    write_association(association_name, value)
  end

  define_method("#{association_name}_id=") do |value|
    instance_variable_set("@#{association_name}", nil)
    super(value)
  end

  define_method(association_name) do
    read_association(association_name)
  end

  define_method("#{association_name}!") do
    read_association(association_name) or
      raise Minidoc::DocumentNotFoundError
  end
end