@Controller("thing")
@VirtualAction("new", "create", Protect(Role("admin")))
@VirtualAction("edit", "update", Protect(OwnerRelation))
class ThingController : ApplicationController {

	@Action
	@Protect(Role("admin"))
    void create ( Request req, Response res ) {...}

    @Action
    void index ( Request req, Response res ) {...}

	@Action
	@Protect(Role("member"))
    void show ( Request req, Response res ) {...}

	@Action
	@Protect(OwnerRelation)
    void update ( Request req, Response res ) {...}

	@Action("delete")
	@Protect(Role("admin"))
    void remove ( Request req, Response res ) {...}

}

@Model("thing")
@ForbidMassAssignment
class Thing : Model {

	@Attr
	@Shallow
	@Validate(Present, Unique, Length("<=", 128))
    A!string name;
	
	@Attr
	@Shallow
	@Validate(Length("[]", 16, 256))
    A!string description;

	@Attr(BelongsTo, User)
	@Shallow
	@Validate(Present)
    A!User user;

	@Attr(HasMany, Tag, Through(Tagging))
	@Validate(NoDuplicate)
    A!(Tagging[]) tags;

	@Attr
	@Validate(Present)
    A!ulong size;

	@Attr
	@Validate(Present)
    A!ulong weight;

    @property
    ulong ratio () {...}

}