Module: N::Scaffolding::SingletonMethods

Defined in:
lib/nitro/scaffold.rb

Instance Method Summary collapse

Instance Method Details

#scaffold(klass, options = {}) ⇒ Object

Enchant the caller with a number of default methods. Override the automatically generated methods as needed.



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# File 'lib/nitro/scaffold.rb', line 24

def scaffold(klass, options = {})
	
	oid = options[:oid] || 'oid'
	name = options[:name] || N::Inflector.name(klass.name)
	list_name = options[:list_name] || N::Inflector.plural_name(name)
	suffix = "_#{name}"

	# Add methods to the scaffolded class.
	
	klass.module_eval <<-"end_eval", __FILE__, __LINE__
		
		def view_uri
			"view#{suffix}?oid=\#\{@oid\}"
		end
		
	end_eval
	
	# Add methods to the service.
	
	if options[:index]
		module_eval <<-"end_eval", __FILE__, __LINE__
			
			def index
				list#{suffix}
			end
			
		end_eval
	end

	module_eval <<-"end_eval", __FILE__, __LINE__
		
		# TODO: add pager support here!

		def list#{suffix}
			@#{list_name} = #{klass}.all('ORDER BY oid')
		end
		
		def view#{suffix}
			@#{name} = #{klass}[@context['#{oid}']]
		end
		
		def save#{suffix}
		end
		
		def del#{suffix}
			#{klass}.delete(@context['#{oid}'])
		end
		alias_method :delete#{suffix}, :del#{suffix}
		
	end_eval
	
end