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[Fix] 댓글 기능 버그 수정 #415

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[Fix] 댓글 기능 버그 수정 #415

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107 changes: 43 additions & 64 deletions front/src/component/postDetail/comment/CommentWrite.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@ import {
import CommentMore from './CommentMore';
import { loginModalActions } from '../../../redux/loginModalSlice';
import useInput from '../../../hooks/useInput';
import debounce from '../../../util/debounce';
import LoadingSpinner from '../../common/LoadingSpinner';

const WriteWrapper = styled.article`
Expand Down Expand Up @@ -110,47 +109,47 @@ const LoadingWrapper = styled.div`
function CommentWrite() {
const [commentList, setCommentList] = useState([]);
const [comment, setComment, resetComment] = useInput('');
const [page, setPage] = useState(1);
const [hasNext, setHasNext] = useState(false);
const [hasNext, setHasNext] = useState(true);
const [commentLoading, setCommentLoading] = useState(false);
const login = useSelector(state => state.login.isLogin);
const dispatch = useDispatch();
const boardId = useParams();
const endPointRef = useRef(null);
const [lastData, setLastData] = useState('');

// 무한 스크롤 데이터 요청 핸들러
const commentListGetHandler = useCallback(async (board, last) => {
await postDetailCommentApi(board, last)
.then(res => {
console.log(`In : ${last}`);
const lastContent = res.content[res.content.length - 1];

setCommentList(prev => {
return [...prev, ...res.content];
});
setHasNext(res.hasNext);
if (res.hasNext) {
setLastData(
`lastCommentId=${lastContent.commentId}&lastCommentCreatedAt=${lastContent.createdAt}`,
);
}
setCommentLoading(false);
})
.catch(err => {
console.log(err);
});
}, []);

// 무한 스크롤 옵저버
const obsHandler = entries => {
const target = entries[0];

console.log(commentList);
if (target.isIntersecting && hasNext) {
setPage(prev => prev + 1);
console.log(`lastData :${lastData}`);
commentListGetHandler(boardId.id, lastData);
}
};
// 무한 스크롤 데이터 요청 핸들러
const commentListGetHandler = useCallback(
board => {
setCommentLoading(true);
postDetailCommentApi(board, lastData)
.then(res => {
const lastContent = res.content[res.content.length - 1];

setCommentList(prev => {
return [...prev, ...res.content];
});
setHasNext(res.hasNext);
if (res.hasNext) {
setLastData(
`lastCommentId=${lastContent.commentId}&lastCommentCreatedAt=${lastContent.createdAt}`,
);
}
})
.catch(err => {
console.log(err);
});
setCommentLoading(false);
},
[lastData],
);
// 무한 스크롤 useEffect
useEffect(() => {
const observer = new IntersectionObserver(obsHandler, {
Expand All @@ -162,24 +161,20 @@ function CommentWrite() {
return () => {
observer.disconnect();
};
}, [hasNext]);

// 페이지 증가에 따른 데이터 요청
useEffect(() => {
if (page !== 0) {
commentListGetHandler(boardId.id);
}
}, [page]);
}, [hasNext, lastData]);

// 댓글 삭제 및 수정 wather핸들러
const deleteModifyWatcherHandler = () => {
postDetailCommentApi(boardId.id, '', commentList.length)
.then(res => {
const lastContent = res.content[res.content.length - 1];
setCommentList(res.content);
setLastData(
`lastCommentId=${lastContent.commentId}&lastCommentCreatedAt=${lastContent.createdAt}`,
);
setLastData(() => {
if (lastContent) {
return `lastCommentId=${lastContent.commentId}&lastCommentCreatedAt=${lastContent.createdAt}`;
}
return '';
});
})
.catch(err => {
console.log(err);
Expand All @@ -196,18 +191,16 @@ function CommentWrite() {
};

// 댓글 작성 핸들러
const commentSendHandler = () => {
const commentSendHandler = e => {
e.preventDefault();
if (modalOpenHandler() && comment !== '') {
setCommentLoading(true);
setHasNext(false);
postDetailCommentSubmitApi(boardId.id, comment)
.then(() => {
setHasNext(true);
setPage(0);
setCommentList([]);
setLastData('');
setCommentList(prev => {
console.log(prev);
return [];
});
resetComment('');

toast('댓글 입력 성공!', {
Expand All @@ -222,16 +215,10 @@ function CommentWrite() {
});
})
.catch(err => {
// toast
console.log(err);
});
setCommentLoading(false);
}
};
// 디바운스 적용 댓글 등록 핸들러
const debounceSendHandler = debounce(() => {
commentSendHandler();
}, 200);

return (
<WriteWrapper className="comment__write">
Expand All @@ -243,30 +230,22 @@ function CommentWrite() {
>
{comment.length}/250
</div>
<div className="comment__form">
<form className="comment__form" onSubmit={commentSendHandler}>
<input
className="comment__input"
placeholder="댓글을 입력 해주세요"
maxLength="250"
value={comment}
onChange={setComment}
onKeyUp={e => {
if (e.code === 'Enter' && !commentLoading) {
debounceSendHandler();
}
}}
/>
<button
type="submit"
className="comment__button"
onClick={() => {
if (!commentLoading) {
commentSendHandler();
}
}}
disabled={commentLoading}
>
등록
</button>
</div>
</form>
</div>
{commentLoading ? (
<LoadingWrapper>
Expand Down