Conversation.fromMap constructor
Implementation
factory Conversation.fromMap(Map<String, dynamic> map) {
int createdAt = map['created_at'];
Map<String, dynamic> matadata = map['metadata'] ?? {};
return Conversation(
id: map['id'],
createdAt: DateTime.fromMillisecondsSinceEpoch(createdAt * 1000),
metadata: Map<String, String>.from(matadata),
);
}