hi guys,
I am trying to show supplier a button in a list view of requests, based on the fact whether he/she has sent offer(s) to this request. What i do now is calculating for each listitem whether a helper object should be made by checking in MF whether the supplier has sent offers to this request. I think this is unnecessarily cpu heavy process and I am wondering whether you can advice a smarter, less cpu consuming solution.
Domain model (edit many to many relation from supplier to request):
List view: