updateWebhookMessage method

Implementation

Future<Message> updateWebhookMessage(
  Snowflake webhookId,
  Snowflake messageId,
  MessageUpdateBuilder builder, {
  required String token,
  Snowflake? threadId,
}) async {
  final route = HttpRoute()
    ..webhooks(id: webhookId.toString(), token: token)
    ..messages(id: messageId.toString());

  final queryParameters = {if (threadId != null) 'thread_id': threadId.toString()};
  final HttpRequest request;
  if (!identical(builder.attachments, sentinelList) && builder.attachments?.isNotEmpty == true) {
    final attachments = builder.attachments!;
    final payload = builder.build();

    final files = <MultipartFile>[];
    for (int i = 0; i < attachments.length; i++) {
      files.add(MultipartFile.fromBytes(
        'files[$i]',
        attachments[i].data,
        filename: attachments[i].fileName,
      ));

      ((payload['attachments'] as List)[i] as Map)['id'] = i.toString();
    }

    request = MultipartRequest(
      route,
      method: 'PATCH',
      jsonPayload: jsonEncode(payload),
      files: files,
      queryParameters: queryParameters,
      authenticated: false,
    );
  } else {
    request = BasicRequest(
      route,
      method: 'PATCH',
      body: jsonEncode(builder.build()),
      queryParameters: queryParameters,
      authenticated: false,
    );
  }

  final response = await client.httpHandler.executeSafe(request);
  final channelId = Snowflake.parse((response.jsonBody as Map<String, Object?>)['channel_id']!);
  final messageManager = (client.channels[channelId] as PartialTextChannel).messages;
  final message = messageManager.parse(response.jsonBody as Map<String, Object?>);

  client.updateCacheWith(message);
  return message;
}