Chad and Amanda have already given their ideas on the crash move to online, so here’s my version too, in graphic form.

You can download a PDF version here.
As the others have said, you need to triage your teaching: what absolutely must happen and what’s just nice to have?
If you’re struggling, then ask colleagues, both within your institution and beyond: there are lots of great people on Twitter (start with the @ALPSblog follow list).
