services/api/lib/whitelist_update.rb

   1 module WhitelistUpdate
   2   def check_update_whitelist permitted_fields
   3     attribute_names.each do |field|
   4       if !permitted_fields.include?(field.to_sym) && really_changed(field)
   5         errors.add field, "cannot be modified in this state (#{send(field+"_was").inspect}, #{send(field).inspect})"
   6       end
   7     end
   8   end
   9
  10   def really_changed(attr)
  11     return false if !send(attr+"_changed?")
  12     old = send(attr+"_was")
  13     new = send(attr)
  14     if (old.nil? || old == [] || old == {}) && (new.nil? || new == [] || new == {})
  15       false
  16     else
  17       old != new
  18     end
  19   end
  20
  21   def validate_state_change
  22     if self.state_changed?
  23       unless state_transitions[self.state_was].andand.include? self.state
  24         errors.add :state, "cannot change from #{self.state_was} to #{self.state}"
  25         return false
  26       end
  27     end
  28   end
  29 end