getStats method
Get statistics
Implementation
Map<String, dynamic> getStats() {
return {
'sendAttempts': _sendAttempts,
'successfulSends': _successfulSends,
'failedSends': _failedSends,
'directDeliveries': _directDeliveries,
'storedMessages': _storedMessages,
'successRate': _sendAttempts > 0
? '${((_successfulSends / _sendAttempts) * 100).toStringAsFixed(1)}%'
: '0.0%',
};
}