completed email bcc sending via to address

app/jobs/process_submitter_completion_job.rb

@@ -26,18 +26,24 @@ class ProcessSubmitterCompletionJob < ApplicationJob
 
     if submitter.template.account.users.exists?(id: user.id) &&
        submitter.submission.preferences['send_email'] != false
+      SubmitterMailer.completed_email(submitter, user).deliver_later!
+
       bcc = submitter.submission.template.account.account_configs
-                     .find_by(key: AccountConfig::BCC_EMAILS)&.value
+                     .find_by(key: AccountConfig::BCC_EMAILS)&.value.presence
 
-      SubmitterMailer.completed_email(submitter, user, bcc:).deliver_later!
+      SubmitterMailer.completed_email(submitter, user, to: bcc).deliver_later! if bcc
     end
 
-    to = submitter.submission.submitters.reject { |e| e.preferences['send_email'] == false }
-                  .sort_by(&:completed_at).select(&:email?).map(&:friendly_name).join(', ')
+    to = build_to_addresses(submitter)
 
     SubmitterMailer.documents_copy_email(submitter, to:).deliver_later! if to.present?
   end
 
+  def build_to_addresses(submitter)
+    submitter.submission.submitters.reject { |e| e.preferences['send_email'] == false }
+             .sort_by(&:completed_at).select(&:email?).map(&:friendly_name).join(', ')
+  end
+
   def enqueue_next_submitter_request_notification(submitter)
     next_submitter_item =
       submitter.submission.template_submitters.find do |e|

app/mailers/submitter_mailer.rb

@@ -33,7 +33,7 @@ class SubmitterMailer < ApplicationMailer
     )
   end
 
-  def completed_email(submitter, user, bcc: nil)
+  def completed_email(submitter, user, to: nil)
     @current_account = submitter.submission.template.account
     @submitter = submitter
     @submission = submitter.submission
@@ -55,8 +55,7 @@ class SubmitterMailer < ApplicationMailer
       end
 
     mail(from: from_address_for_submitter(submitter),
-         to: user.role == 'integration' ? user.friendly_name.sub(/\+\w+@/, '@') : user.friendly_name,
-         bcc:,
+         to: to || (user.role == 'integration' ? user.friendly_name.sub(/\+\w+@/, '@') : user.friendly_name),
          subject:)
   end