approvePairing method
Approves the pending pairing showing code (operator action); returns false when none.
Implementation
bool approvePairing(String code, {String role = 'operator'}) {
for (final p in _pairings.values) {
if (p['code'] == code && p['status'] == 'pending') {
_approve(p, role);
return true;
}
}
return false;
}