class ProcessConsentFormJob

# File app/jobs/process_consent_form_job.rb, line 24
def perform(consent_form_id)
  @consent_form =
    ConsentForm.includes(:consent_form_programmes).find(consent_form_id)

  if already_matched?
    # This covers the case where the job is re-run
    # after the ethnicity flow is completed.
    if (patient = @consent_form.matched_patient)
      patient.assign_ethnicity_from!(@consent_form)
    end

    return
  end

  begin
    if match_with_exact_nhs_number
      # Match if we find a patient with the PDS NHS number
    elsif location_patients.count == 1
      # If we found exactly one, match the consent form to this patient
      match_to_only_patient(location_patients.first)
    elsif pds_patient && matching_patients.empty?
      # If no patients are found, store the PDS NHS number in the consent form.
      # A nurse may then create a patient record and we can try this job again
      update_consent_form_nhs_number
    end

    # If we found:
    # - No patients with the NHS number from the PDS record
    # - 2 or more patients in the original session, matching with no NHS number
    # - 1 or more patients in any session, matching with no NHS number
    # Then do nothing; the nurse needs to match manually or create a new patient
  rescue NHS::PDS::InvalidSearchData, NHS::PDS::TooManyMatches => e
    Sentry.capture_exception(e, level: "warning")
  ensure
    send_confirmation_notification
  end
end