33 lines
996 B
TypeScript
33 lines
996 B
TypeScript
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import { useAppSelector } from './useAppSelector';
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import { useAckInfoChecker } from './useAckInfo';
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import { useEffect } from 'react';
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/**
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* 返回某些会话是否有未读信息
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*/
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export function useUnread(converseIds: string[]) {
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const ack = useAppSelector((state) => state.chat.ack);
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const lastMessageMap = useAppSelector((state) => state.chat.lastMessageMap);
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const { ensureAckInfo } = useAckInfoChecker();
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useEffect(() => {
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converseIds.forEach((converseId) => ensureAckInfo(converseId));
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}, [converseIds]);
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const unreadList = converseIds.map((converseId) => {
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if (
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ack[converseId] === undefined &&
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lastMessageMap[converseId] !== undefined
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) {
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// 远程没有已读记录且获取到了最后一条消息
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return true;
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}
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// 当远端最后一条消息的id > 本地已读状态的最后一条消息id,
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// 则返回true(有未读消息)
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return lastMessageMap[converseId] > ack[converseId];
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});
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return unreadList;
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}
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