Auto delete subtask when change tracker from User Story to Support

app/controllers/issues_controller.rb

@@ -192,6 +192,9 @@ class IssuesController < ApplicationController
       if original_tracker_id != 12
       if original_tracker_id != 12
         auto_create_subtasks(@issue)
         auto_create_subtasks(@issue)
       end
       end
+      if original_tracker_id == 12
+        auto_delete_subtasks(@issue)
+      end
 
 
     else
     else
       respond_to do |format|
       respond_to do |format|
@@ -622,5 +625,14 @@ class IssuesController < ApplicationController
       subtask.save!
       subtask.save!
     end
     end
   end
   end
+  # Auto delete 8 subtasks (13/08/2018)
+  def auto_delete_subtasks(issue)
+    exclude_project_ids = [106, 107, 108, 109, 110, 111] #2zigexn
+    return if exclude_project_ids.include?(issue.project_id)
+
+    return if @issue.tracker_id != 3 #Support
+    #Remove subtasks when change from User Story to Support
+    Issue.where(tracker_id: 8, parent_id: @issue.id).delete_all
+  end
 end
 end