add lock events

app/controllers/api/submissions_controller.rb

@@ -43,7 +43,7 @@ module Api
       end
 
       if @submission.audit_trail_attachment.blank? && submitters.all?(&:completed_at?)
-        @submission.audit_trail_attachment = Submissions::GenerateAuditTrail.call(@submission)
+        @submission.audit_trail_attachment = Submissions::EnsureAuditGenerated.call(@submission)
       end
 
       render json: Submissions::SerializeForApi.call(@submission, submitters, params)

app/controllers/submissions_download_controller.rb

@@ -70,7 +70,7 @@ class SubmissionsDownloadController < ApplicationController
     return if submitter.submission.submitters.order(:completed_at).last != submitter
 
     attachment = submitter.submission.combined_document_attachment
-    attachment ||= Submissions::GenerateCombinedAttachment.call(submitter)
+    attachment ||= Submissions::EnsureCombinedGenerated.call(submitter)
 
     filename_format = AccountConfig.find_or_initialize_by(account_id: submitter.account_id,
                                                           key: AccountConfig::DOCUMENT_FILENAME_FORMAT_KEY)&.value

app/jobs/process_submitter_completion_job.rb

@@ -14,10 +14,10 @@ class ProcessSubmitterCompletionJob
 
     if is_all_completed && submitter.completed_at == submitter.submission.submitters.maximum(:completed_at)
       if submitter.submission.account.account_configs.exists?(key: AccountConfig::COMBINE_PDF_RESULT_KEY, value: true)
-        Submissions::GenerateCombinedAttachment.call(submitter)
+        Submissions::EnsureCombinedGenerated.call(submitter)
       end
 
-      Submissions::GenerateAuditTrail.call(submitter.submission)
+      Submissions::EnsureAuditGenerated.call(submitter.submission)
 
       enqueue_completed_emails(submitter)
     end

app/models/lock_event.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: lock_events
+#
+#  id         :bigint           not null, primary key
+#  event_name :string           not null
+#  key        :string           not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+# Indexes
+#
+#  index_lock_events_on_event_name_and_key  (event_name,key) UNIQUE WHERE ((event_name)::text = ANY ((ARRAY['start'::character varying, 'complete'::character varying])::text[]))
+#  index_lock_events_on_key                 (key)
+#
+class LockEvent < ApplicationRecord
+  enum :event_name, {
+    complete: 'complete',
+    fail: 'fail',
+    start: 'start',
+    retry: 'retry'
+  }, scope: false
+end