feature request: prevent to record same qso on multiple submission

[iddq]

same qso recorded if user pressing the button multiple times or refresh the page in browser with F5

[AndreasK79]

@iddq I've seen this problem before. Not sure how to fix, other than making a call to the database before inserting.

[magicbug]

Yes think so, its been a lurking thing in Cloudlog from the start

[T012m3n7oR]

Should be able to resolve this with an if not exists clause on the insert, I can see if I have time this weekend to review the SQL on how it's inserting.

[AndreasK79]

Add_qso() in logbook_model is the one inserting. It is called from several places. The one used on import, has a basic duplicate check. The ADIF import has an option to skip for duplicate check, so I think the best would be to move the duplicate check (and extend it to check on satellite and sub-mode) into add_qso, with the option to skip it.