fetchReactionList method

Future<Map<String, List<ChatMessageReaction>>> fetchReactionList({
  1. required List<String> messageIds,
  2. required ChatType chatType,
  3. String? groupId,
})

~english Gets the list of Reactions.

Param messageIds The message IDs.

Param chatType The chat type. Only one-to-one chat ChatType.Chat and group chat ChatType.GroupChat are allowed.

Param groupId The group ID. This parameter is valid only when the chat type is group chat.

Return The Reaction list under the specified message ID（ChatMessageReaction.userList is the summary data, which only contains the information of the first three users）.

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

~chinese 获取 Reaction 列表。

Param messageIds 消息 ID 列表。

Param chatType 会话类型。

Param groupId 群组 ID，该参数仅在会话类型为群聊时有效。

Return 若调用成功，返回 Reaction 列表；失败则抛出异常。

Throws 如果有异常会在此抛出，包括错误码和错误信息，详见 ChatError。 ~end

Implementation

Future<Map<String, List<ChatMessageReaction>>> fetchReactionList({
  required List<String> messageIds,
  required ChatType chatType,
  String? groupId,
}) async {
  Map req = {
    "msgIds": messageIds,
    "chatType": chatTypeToInt(chatType),
  };
  req.putIfNotNull("groupId", groupId);
  Map result = await ChatChannel.invokeMethod(
    ChatMethodKeys.fetchReactionList,
    req,
  );

  try {
    ChatError.hasErrorFromResult(result);
    Map<String, List<ChatMessageReaction>> ret = {};
    for (var info in result[ChatMethodKeys.fetchReactionList].entries) {
      List<ChatMessageReaction> reactions = [];
      for (var item in info.value) {
        reactions.add(ChatMessageReaction.fromJson(item));
      }
      ret[info.key] = reactions;
    }
    return ret;
  } on ChatError catch (e) {
    throw e;
  }
}