setVar method
Implementation
Future<void> setVar(String key, dynamic val) async {
await db.query(
'INSERT INTO "variables" VALUES (?,?,?)',
[
key,
(val is String) ? val : '',
(val is int) ? val : 0,
],
);
final frac = StoredFrac.map[key];
frac?.value = val;
frac?.notifyListeners();
}