refactor code

plugins/workflow_report/app/models/workflow_report_issue.rb

@@ -38,10 +38,4 @@ class WorkflowReportIssue < Issue
       .where.not(issues: { tracker_id: 1 })
       .order(:root_id)
   }
-  scope :find_journal, ->(issue_ids) {
-    Journal.joins(:details)
-           .where(journals: { journalized_id: issue_ids }, journal_details: { prop_key: 'estimated_hours' })
-           .order(:journalized_id, :id)
-           .pluck(:journalized_id, :old_value, :value, :created_on, :notes)
-  }
 end

plugins/workflow_report/app/models/workflow_report_journal.rb

+class WorkflowReportJournal < Journal
+  scope :find_journal_by_issue_ids, ->(issue_ids) {
+    joins(:details)
+      .where(journals: { journalized_id: issue_ids }, journal_details: { prop_key: 'estimated_hours' })
+      .order(:journalized_id, :id)
+      .pluck(:journalized_id, :old_value, :value, :created_on, :notes)
+  }
+end

plugins/workflow_report/lib/workflow_report.rb

@@ -20,7 +20,7 @@ module WorkflowReport
         sum_hours_record = sum_hours_records.find { |hr| hr.root_id == root_id }
 
         issue_ids = record.map(&:id)
-        journals = WorkflowReportIssue.find_journal(issue_ids).to_a
+        journals = WorkflowReportJournal.find_journal_by_issue_ids(issue_ids).to_a
 
         result[0] << root_id
         result[1] << record.first[:project].gsub(/[^[:print:]]/, '')