Tricking PaperTrail into saving attributes that didn't change - solution

hie-solution.rb

patient_preferences = create(
  :patient_preferences,
  health_information_exchange_opt_in: true,
  health_information_exchange_legal_text_version: 1
)

patient_preferences.reload

# Add the following two lines
patient_preferences.health_information_exchange_opt_in_will_change!
patient_preferences.health_information_exchange_legal_text_version_will_change!

patient_preferences.health_information_exchange_opt_in = true
patient_preferences.health_information_exchange_legal_text_version = 2

puts patient_preferences.changes
#=> {"health_information_exchange_opt_in"=>[true, true], "health_information_exchange_legal_text_version"=>[1, 2]}

patient_preferences.save!

puts patient_preferences.versions.last.object_changes
#=> ---
#=> health_information_exchange_opt_in:
#=> - true
#=> - true
#=> health_information_exchange_legal_text_version:
#=> - 1
#=> - 2