createForwardMessageListFileDetail static method

Future<NIMResult<String>> createForwardMessageListFileDetail(List<NIMMessage> messages)

Implementation

static Future<NIMResult<String>> createForwardMessageListFileDetail(
    List<NIMMessage> messages) async {
  if (messages.isEmpty) {
    return NIMResult.failure(message: 'message is empty');
  }
  var sessionId = messages.first.sessionId;
  if (sessionId == null) {
    return NIMResult.failure(message: 'sessionId is null');
  }
  var forwardMsgList = messages.where((msg) {
    //不是来自同一会话，不添加
    //不是可以转发的类型，不添加,通知，语音，话单，机器人等不可转发
    return msg.sessionId == sessionId &&
        (msg.messageType != NIMMessageType.notification &&
            msg.messageType != NIMMessageType.avchat &&
            msg.messageType != NIMMessageType.robot);
  }).toList();
  String header = _buildHeader(0, forwardMsgList.length);
  var bodyResult = await _buildBody(forwardMsgList);
  if (bodyResult.isSuccess) {
    return NIMResult.success(data: '$header\n${bodyResult.data}');
  } else {
    return NIMResult.failure(message: bodyResult.errorDetails);
  }
}