# It'd be easy to add a DSL to existing policy frameworks such as pundit or activepolicy.

class MessagePolicy < Policy
  rule("IsAdmin") { |user| user.is_admin? }
  rule("IsPublisher") { |user| user.publisher? }
  rule("IsOwner") { |user, message| message.user_id == user.id }

  permit :read, true
  permit :create, Any(IsAdmin, IsPublisher)
  permit :update, Any(IsAdmin, All(IsPublisher, IsOwner))
  permit :delete, Any(IsAdmin, All(IsPublisher, IsOwner))
end