services/api/lib/whitelist_update.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 module WhitelistUpdate
   6   def check_update_whitelist permitted_fields
   7     attribute_names.each do |field|
   8       if !permitted_fields.include?(field.to_sym) && really_changed(field)
   9         errors.add field, "cannot be modified in state '#{self.state}' (#{send(field+"_was").inspect}, #{send(field).inspect})"
  10       end
  11     end
  12   end
  13
  14   def really_changed(attr)
  15     return false if !send(attr+"_changed?")
  16     old = send(attr+"_was")
  17     new = send(attr)
  18     if (old.nil? || old == [] || old == {}) && (new.nil? || new == [] || new == {})
  19       false
  20     else
  21       old != new
  22     end
  23   end
  24
  25   def validate_state_change
  26     if self.state_changed?
  27       unless state_transitions[self.state_was].andand.include? self.state
  28         errors.add :state, "cannot change from #{self.state_was} to #{self.state}"
  29         return false
  30       end
  31     end
  32   end
  33 end