add reason

lib/submissions/generate_result_attachments.rb

@@ -184,7 +184,7 @@ module Submissions
           canvas.font(FONT_NAME, size: font_size)
 
           case field['type']
-          when ->(type) { type == 'signature' && with_signature_id }
+          when ->(type) { type == 'signature' && (with_signature_id || field.dig('preferences', 'reason_field_uuid')) }
             attachment = submitter.attachments.find { |a| a.uuid == value }
 
             attachments_data_cache[attachment.uuid] ||= attachment.download
@@ -207,8 +207,10 @@ module Submissions
               break if id_string.length < 8
             end
 
+            reason_value = submitter.values[field.dig('preferences', 'reason_field_uuid')].presence
+
             reason_string =
-              "#{I18n.t('reason')}: #{I18n.t('digitally_signed_by')} " \
+              "#{I18n.t('reason')}: #{reason_value || I18n.t('digitally_signed_by')} " \
               "#{submitter.name}#{submitter.email.present? ? " <#{submitter.email}>" : ''}\n" \
               "#{I18n.l(attachment.created_at.in_time_zone(submitter.account.timezone),
                         format: :long, locale: submitter.account.locale)} " \

lib/submitters/form_configs.rb

@@ -7,6 +7,7 @@ module Submitters
                     AccountConfig::FORM_WITH_CONFETTI_KEY,
                     AccountConfig::FORM_PREFILL_SIGNATURE_KEY,
                     AccountConfig::WITH_SIGNATURE_ID,
+                    AccountConfig::REQUIRE_SIGNING_REASON_KEY,
                     AccountConfig::ALLOW_TYPED_SIGNATURE].freeze
 
     module_function
@@ -20,11 +21,13 @@ module Submitters
       with_confetti = find_safe_value(configs, AccountConfig::FORM_WITH_CONFETTI_KEY) != false
       prefill_signature = find_safe_value(configs, AccountConfig::FORM_PREFILL_SIGNATURE_KEY) != false
       with_signature_id = find_safe_value(configs, AccountConfig::WITH_SIGNATURE_ID) == true
+      require_signing_reason = find_safe_value(configs, AccountConfig::REQUIRE_SIGNING_REASON_KEY) == true
 
       attrs = { completed_button:,
                 with_typed_signature:,
                 with_confetti:,
                 completed_message:,
+                require_signing_reason:,
                 prefill_signature:,
                 with_signature_id: }
 

lib/submitters/submit_values.rb

@@ -35,6 +35,7 @@ module Submitters
       assign_completed_attributes(submitter, request) if params[:completed] == 'true'
 
       ApplicationRecord.transaction do
+        maybe_set_signature_reason!(values, submitter, params)
         validate_values!(values, submitter, params, request)
 
         SubmissionEvents.create_with_tracking_data(submitter, 'complete_form', request) if params[:completed] == 'true'
@@ -59,6 +60,31 @@ module Submitters
       submitter
     end
 
+    def maybe_set_signature_reason!(values, submitter, params)
+      return if params[:with_reason].blank?
+
+      reason_field_uuid = params[:with_reason]
+      signature_field_uuid = values.except(reason_field_uuid).keys.first
+
+      signature_field = submitter.submission.template_fields.find { |e| e['uuid'] == signature_field_uuid }
+
+      signature_field['preferences'] ||= {}
+      signature_field['preferences']['reason_field_uuid'] = reason_field_uuid
+
+      unless submitter.submission.template_fields.find { |e| e['uuid'] == reason_field_uuid }
+        reason_field = { 'type' => 'text',
+                         'uuid' => reason_field_uuid,
+                         'name' => I18n.t(:reason),
+                         'readonly' => true,
+                         'submitter_uuid' => submitter.uuid }
+
+        submitter.submission.template_fields.insert(submitter.submission.template_fields.index(signature_field) + 1,
+                                                    reason_field)
+      end
+
+      submitter.submission.save!
+    end
+
     def normalized_values(params)
       params.fetch(:values, {}).to_unsafe_h.transform_values do |v|
         if params[:cast_boolean] == 'true'