toMap method
Converts ChatRoom to a Map object
Implementation
Map<String, dynamic> toMap() {
return {
'userId': userId,
'username': username,
'latestMessage': latestMessage,
'latestMessageTime': latestMessageTime.toIso8601String(),
'unreadCount': unreadCount,
'latestMessageStatus': latestMessageStatus,
'avatarUrl': avatarUrl,
};
}