from method
Given a double, will return the correct TautulliWatchedStatus
object.
Implementation
TautulliWatchedStatus? from(num? watched) {
// Have to use if statements here because Dart doesn't like switch statements with dobules :/
if(watched == 0) return TautulliWatchedStatus.UNWATCHED;
if(watched == 0.5) return TautulliWatchedStatus.PARTIALLY_WATCHED;
if(watched == 1) return TautulliWatchedStatus.WATCHED;
return null;
}