add submitter metadata

lib/params/submission_create_validator.rb

@@ -69,6 +69,7 @@ module Params
       format(submitter_params, :phone, /\A\+\d+\z/,
              message: 'phone should start with +<country code> and contain only digits')
       type(submitter_params, :values, Hash)
+      type(submitter_params, :metadata, Hash)
       boolean(submitter_params, :send_email)
       boolean(submitter_params, :send_sms)
       type(submitter_params, :completed_redirect_url, String)

lib/submissions/create_from_submitters.rb

@@ -139,6 +139,7 @@ module Submissions
         completed_at: attrs[:completed] ? Time.current : nil,
         sent_at: mark_as_sent && email.present? && is_order_sent ? Time.current : nil,
         values: attrs[:values] || {},
+        metadata: attrs[:metadata] || {},
         preferences: preferences.merge(submitter_preferences)
                                 .merge({ default_values: attrs[:values] }.compact_blank)
                                 .except('bcc_completed'),

lib/submitters/create_stamp_attachment.rb

@@ -30,7 +30,6 @@ module Submitters
       )
     end
 
-    # rubocop:disable Metrics
     def generate_stamp_image(submitter)
       logo = Vips::Image.new_from_buffer(load_logo(submitter).read, '')
 
@@ -82,7 +81,6 @@ module Submitters
 
       Vips::Image.text(text, width: WIDTH, height: HEIGHT)
     end
-    # rubocop:enable Metrics
 
     def load_logo(_submitter)
       PdfIcons.logo_io

lib/submitters/serialize_for_api.rb

@@ -19,7 +19,7 @@ module Submitters
       serialize_params = {
         include: {},
         only: %i[id slug uuid name email phone completed_at external_id
-                 opened_at sent_at created_at updated_at],
+                 metadata opened_at sent_at created_at updated_at],
         methods: %i[status application_key]
       }