Checkpoint to get feedback on approach

app/services/audit_results.rb

@@ -152,7 +152,7 @@ def report_results(logger=Rails.logger)
     candidate_workflow_results = []
     result_array.each do |r|
       log_result(r, logger)
-      if r.key?(INVALID_MOAB)
+      if r.key?(INVALID_MOAB) || r.key?(MOAB_NOT_FOUND)
         msg = "#{workflows_msg_prefix} || #{r.values.first}"
         WorkflowReporter.report_error(druid, actual_version, 'moab-valid', msg)
       elsif status_changed_to_ok?(r)

app/services/moab_validation_handler.rb

@@ -36,7 +36,7 @@ def moab_validation_errors
         if moab_errors.any?
           moab_error_msgs = []
           moab_errors.each do |error_hash|
-            error_hash.each_value { |msg| moab_error_msgs << msg }
+            moab_error_msgs += error_hash.values
           end
           results.add_result(AuditResults::INVALID_MOAB, moab_error_msgs)
         end
@@ -68,7 +68,15 @@ def update_status(new_status)
   # @param [Boolean] found_expected_version
   # @return [void]
   def set_status_as_seen_on_disk(found_expected_version)
-    return update_status('invalid_moab') if moab_validation_errors.any?
+    begin
+      return update_status('invalid_moab') if moab_validation_errors.any?
+    rescue Errno::ENOENT
+      results.add_result(AuditResults::MOAB_NOT_FOUND,
+                         db_created_at: complete_moab.created_at.iso8601,
+                         db_updated_at: complete_moab.updated_at.iso8601)
+      return update_status('online_moab_not_found')
+    end
+
     return update_status('unexpected_version_on_storage') unless found_expected_version
 
     # NOTE: subclasses which override this method should NOT perform checksum validation inside of this method!