updateMessage method
Updates a message in the Firestore. Accepts any message and a room ID. Message will probably be taken from the messages stream.
Implementation
void updateMessage(types.Message message, String roomId) async {
if (firebaseUser == null) return;
if (message.author.id != firebaseUser!.uid) return;
final messageMap = message.toJson();
messageMap.removeWhere(
(key, value) => key == 'author' || key == 'createdAt' || key == 'id',
);
messageMap['authorId'] = message.author.id;
messageMap['updatedAt'] = FieldValue.serverTimestamp();
await getFirebaseFirestore()
.collection('${config.roomsCollectionName}/$roomId/messages')
.doc(message.id)
.update(messageMap);
}