tencent cloud

// Pull historical one-to-one messages
// Set `lastMsgID` to `null` for the first pull
// `lastMsgID` can be the ID of the last message in the returned message list for the second pull.
TencentImSDKPlugin.v2TIMManager.getMessageManager().getC2CHistoryMessageList(
        userID: "userId",
        count: 10,
        lastMsgID: null,
);

// Pull historical group messages
// Set `lastMsgID` to `null` for the first pull
// `lastMsgID` can be the ID of the last message in the returned message list for the second pull.
TencentImSDKPlugin.v2TIMManager
      .getMessageManager()
      .getGroupHistoryMessageList(
        groupID: "groupID",
        count: 10,
        lastMsgID: null,
      );

    // Pull historical one-to-one messages
    // Set `lastMsgID` to `null` for the first pull
    // `lastMsgID` can be the ID of the last message in the returned message list for the second pull.
    V2TimValueCallback<List<V2TimMessage>> getHistoryMessageListRes =
        await TencentImSDKPlugin.v2TIMManager
            .getMessageManager()
            .getHistoryMessageList(
      getType: HistoryMsgGetTypeEnum.V2TIM_GET_LOCAL_OLDER_MSG, // Source and sequence of the message pull
      userID: "userID", // To pull one-to-one messages with a certain user, you need to specify only the `userID`.
      groupID: "groupID", // To pull group messages from a certain group, you need to specify only the `groupID`.
      count: 10, // Number of messages pulled
      lastMsgID: null, // ID of the first message for pulling
      // This field can be used only for group chats.
      // If `lastMsgSeq` is set as the start point for message, the message will be included in the returned message list.
      // If both `lastMsg` and `lastMsgSeq` are specified, the SDK will use `lastMsg`.
      // If neither `lastMsg` nor `lastMsgSeq` is specified, the start point for pull will be determined based on whether the `getTimeBegin` is set. If yes, the set range will be used as the start point; if no, the latest message will be used as the start point.
      lastMsgSeq: -1,
      messageTypeList: [], // Used to filter historical message information attributes. If this field is left empty, all attributes will be pulled.
    );
    if (getHistoryMessageListRes.code == 0) {
      // Obtained successfully
    }

TencentImSDKPlugin.v2TIMManager.getMessageManager().getHistoryMessageList(
        count: 10,
        getType: HistoryMsgGetTypeEnum.V2TIM_GET_LOCAL_OLDER_MSG,
        userID: "userID",
);

// Get the `sequence` of the group @ message
int atSequence = 1081;

// Pull the group @ message and earlier messages

  TencentImSDKPlugin.v2TIMManager.getMessageManager().getHistoryMessageList(
        count: 20, // Pull 20 messages
        getType: HistoryMsgGetTypeEnum.V2TIM_GET_CLOUD_OLDER_MSG, // Pull messages earlier than the group @ message
        lastMsgSeq: atSequence,// Start the pull from the group @ message, which is included in the pull list
        groupID: "groupID" // Pull group messages
      );



// Pull messages later than the group @ message
TencentImSDKPlugin.v2TIMManager.getMessageManager().getHistoryMessageList(
        count: 20, // Pull 20 messages
        getType: HistoryMsgGetTypeEnum.V2TIM_GET_CLOUD_NEWER_MSG, // Pull messages later than the group @ message
        lastMsgSeq: atSequence,// Start the pull from the group @ message, which is included in the pull list
        groupID: "groupID" // Pull group messages
      );