Module: ResourcefulController::ClassMethods

Defined in:
lib/authorized/resourceful_controller.rb

Instance Method Summary collapse

Instance Method Details

#resourceful(*args) ⇒ Object 



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# File 'lib/authorized/resourceful_controller.rb', line 6

def resourceful(*args)
	options = args.extract_options!
	resource = options[:resource] || ActiveSupport::ModelName.new(
		self.model_name.split('::').last.gsub(/Controller$/,'').singularize)
#				self.model_name.gsub(/Controller$/,'').singularize)

	permissive

	before_filter :valid_id_required, 
		:only => [:show,:edit,:update,:destroy]

	#	by using before filters, the user
	#	can still add stuff to the action.
	before_filter :get_all, :only => :index
	before_filter :get_new, :only => :new

	define_method :destroy do
		instance_variable_get("@#{resource.singular}").send(:destroy)
		redirect_to send("#{resource.plural}_path")
	end

	define_method :create do
	begin
		instance_variable_set("@#{resource.singular}",
			resource.constantize.send(:new,params[resource.singular]))
		instance_variable_get("@#{resource.singular}").send(:save!)
		flash[:notice] = 'Success!'
		redirect_to instance_variable_get("@#{resource.singular}")
	rescue ActiveRecord::RecordNotSaved, ActiveRecord::RecordInvalid
		flash.now[:error] = "There was a problem creating " <<
			"the #{resource.singular}"
		render :action => "new"
	end
	end 

	define_method :update do
	begin
		instance_variable_get("@#{resource.singular}").send(
			:update_attributes!,params[resource.singular])
		flash[:notice] = 'Success!'
		redirect_to send(options[:update_redirect]||
			"#{resource.plural}_path")
	rescue ActiveRecord::RecordNotSaved, ActiveRecord::RecordInvalid
		flash.now[:error] = "There was a problem updating " <<
			"the #{resource.singular}"
		render :action => "edit"
	end
	end

protected

	define_method :get_all do
		instance_variable_set("@#{resource.plural}",
			resource.constantize.send(:all) )
	end

	define_method :get_new do
		instance_variable_set("@#{resource.singular}",
			resource.constantize.send(:new) )
	end

	define_method :valid_id_required do
		if( !params[:id].blank? && 
				resource.constantize.send(:exists?,params[:id]) )
			instance_variable_set("@#{resource.singular}",
				resource.constantize.send(:find,params[:id]) )
		else
			access_denied("Valid id required!",
				send("#{resource.plural}_path") )
		end
	end
end