+ def protected_managed_properties_updates
+ managed_properties = Rails.configuration.Collections.ManagedProperties.with_indifferent_access
+ if managed_properties.empty? || !properties_changed? || current_user.is_admin
+ return true
+ end
+ protected_props = managed_properties.keys.select do |p|
+ Rails.configuration.Collections.ManagedProperties[p]['Protected']
+ end
+ # Pre-existent protected properties can't be updated
+ invalid_updates = properties_was.keys.select{|p| properties_was[p] != properties[p]} & protected_props
+ if !invalid_updates.empty?
+ invalid_updates.each do |p|
+ errors.add("protected property cannot be updated:", p)
+ end
+ raise PermissionDeniedError.new
+ end
+ true
+ end
+