loadConversationMessagesWithKeyword method

Future<Map<String, List<String>>> loadConversationMessagesWithKeyword({ String? keyword, int timestamp = -1, String? sender, EMSearchDirection direction = EMSearchDirection.Up, MessageSearchScope scope = MessageSearchScope.All, })

~english Loads conversation messages with the specified keyword from the local database.

Returns a map of conversation IDs and their corresponding message ID lists. The message ID list is sorted according to the direction parameter.

Param keyword The search keyword. Set it to null to ignore this parameter.

Param timestamp The starting Unix timestamp for the search, in milliseconds. If the timestamp is negative, the SDK retrieves messages from the latest one.

Param sender The message sender. Set it to null to ignore this parameter.

Param direction The message search direction. See EMSearchDirection.

• (Default) Up: Retrieve messages in the reverse chronological order of the timestamp.
• Down: Retrieve messages in the chronological order of the timestamp.

Param scope The message search scope. See MessageSearchScope.

Return A map where the key is the conversation ID and the value is the list of message IDs.

Throws A description of the exception. See EMError. ~end

~chinese 通过关键词从本地数据库中获取消息，返回会话 ID 及消息 ID 列表的映射关系。

消息ID列表按 direction 设置的方向排列。

Param keyword 搜索关键词，设为 null 表示忽略该参数。

Param timestamp 搜索开始的 Unix 时间戳。单位为毫秒。如果该参数设置的时间戳为负数，则从最新消息向前获取。

Param sender 消息发送方。设为 null 表示忽略该参数。

Param direction 消息搜索方向。详见 EMSearchDirection。

• （默认）Up：按消息时间戳的逆序获取。
• Down：按消息时间戳的顺序获取。

Param scope 消息搜索范围。详见 MessageSearchScope。

Return 会话 ID 及消息 ID 列表的映射关系。键为会话 ID，值为消息 ID 列表。

Throws 如果有异常会在这里抛出，包含错误码和错误描述，详见 EMError。 ~end

Implementation

Future<Map<String, List<String>>> loadConversationMessagesWithKeyword({
  String? keyword,
  int timestamp = -1,
  String? sender,
  EMSearchDirection direction = EMSearchDirection.Up,
  MessageSearchScope scope = MessageSearchScope.All,
}) async {
  return Client.instance.chatManager.loadConversationMessagesWithKeyword(
    keyword: keyword,
    timestamp: timestamp,
    sender: sender,
    direction: direction,
    scope: scope,
  );
}