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perf: AdminSchedule 성능 최적화

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- filteredSchedules useMemo로 불필요한 재계산 방지
- ScheduleItem React.memo 컴포넌트로 분리하여 리렌더링 방지
- categoryCounts useMemo 맵으로 O(1) 카테고리 카운트 조회
- 카테고리 카운트를 선택된 날짜 기준으로 계산
- useDeferredValue로 달력 점 표시 지연 처리하여 UI 응답성 향상
- selectedDate 변경 시 스크롤 맨 위로 초기화
This commit is contained in:
caadiq 2026-01-09 19:26:52 +09:00
parent a2f89644a6
commit fc35a35987
1 changed files with 163 additions and 116 deletions
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277
frontend/src/pages/pc/admin/AdminSchedule.jsx
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@ -1,4 +1,4 @@
import { useState, useEffect, useRef, useMemo } from 'react'; import { useState, useEffect, useRef, useMemo, memo, useDeferredValue } from 'react';
import { useNavigate, Link } from 'react-router-dom'; import { useNavigate, Link } from 'react-router-dom';
import { motion, AnimatePresence } from 'framer-motion'; import { motion, AnimatePresence } from 'framer-motion';
import { import {
@ -13,6 +13,112 @@ import Tooltip from '../../../components/Tooltip';
import useScheduleStore from '../../../stores/useScheduleStore'; import useScheduleStore from '../../../stores/useScheduleStore';
import { getTodayKST, formatDate } from '../../../utils/date'; import { getTodayKST, formatDate } from '../../../utils/date';
// 일정 아이템 컴포넌트 - React.memo로 불필요한 리렌더링 방지
const ScheduleItem = memo(function ScheduleItem({
schedule,
index,
selectedDate,
categories,
getColorStyle,
navigate,
openDeleteDialog
}) {
const scheduleDate = new Date(schedule.date);
const categoryColor = getColorStyle(categories.find(c => c.id === schedule.category_id)?.color)?.style?.backgroundColor || '#6b7280';
const categoryName = categories.find(c => c.id === schedule.category_id)?.name || '미분류';
const memberNames = schedule.member_names || schedule.members?.map(m => m.name).join(',') || '';
const memberList = memberNames.split(',').filter(name => name.trim());
return (
<motion.div
key={`${schedule.id}-${selectedDate || 'all'}`}
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ delay: Math.min(index, 10) * 0.03 }}
className="p-6 hover:bg-gray-50 transition-colors group"
>
<div className="flex items-start gap-4">
<div className="w-20 text-center flex-shrink-0">
<div className="text-2xl font-bold text-gray-900">
{scheduleDate.getDate()}
</div>
<div className="text-sm text-gray-500">
{['일', '월', '화', '수', '목', '금', '토'][scheduleDate.getDay()]}요일
</div>
</div>
<div
className="w-1.5 rounded-full flex-shrink-0 self-stretch"
style={{ backgroundColor: categoryColor }}
/>
<div className="flex-1 min-w-0">
<h3 className="font-semibold text-gray-900 truncate">{schedule.title}</h3>
<div className="flex items-center gap-3 mt-1 text-sm text-gray-500">
{schedule.time && (
<span className="flex items-center gap-1">
<Clock size={14} />
{schedule.time.slice(0, 5)}
</span>
)}
<span className="flex items-center gap-1">
<Tag size={14} />
{categoryName}
</span>
{schedule.source_name && (
<span className="flex items-center gap-1">
<Link2 size={14} />
{schedule.source_name}
</span>
)}
</div>
{memberList.length > 0 && (
<div className="flex flex-wrap gap-1.5 mt-2">
{memberList.length >= 5 ? (
<span className="px-2 py-0.5 bg-primary/10 text-primary text-xs font-medium rounded-full">
프로미스나인
</span>
) : (
memberList.map((name, i) => (
<span key={i} className="px-2 py-0.5 bg-primary/10 text-primary text-xs font-medium rounded-full">
{name.trim()}
</span>
))
)}
</div>
)}
</div>
<div className="flex items-center gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
{schedule.source_url && (
<a
href={schedule.source_url}
target="_blank"
rel="noopener noreferrer"
onClick={(e) => e.stopPropagation()}
className="p-2 hover:bg-blue-100 rounded-lg transition-colors text-blue-500"
>
<ExternalLink size={18} />
</a>
)}
<button
onClick={() => navigate(`/admin/schedule/${schedule.id}/edit`)}
className="p-2 hover:bg-gray-200 rounded-lg transition-colors text-gray-500"
>
<Edit2 size={18} />
</button>
<button
onClick={() => openDeleteDialog(schedule)}
className="p-2 hover:bg-red-100 rounded-lg transition-colors text-red-500"
>
<Trash2 size={18} />
</button>
</div>
</div>
</motion.div>
);
});
function AdminSchedule() { function AdminSchedule() {
const navigate = useNavigate(); const navigate = useNavigate();
@ -166,17 +272,20 @@ function AdminSchedule() {
return colors[color] || 'bg-gray-100 text-gray-700'; return colors[color] || 'bg-gray-100 text-gray-700';
}; };
// 일정 날짜별 맵 (O(1) 조회용) - 성능 최적화 // 일정 데이터를 지연 처리하여 달력 UI 응답성 향상
const deferredSchedules = useDeferredValue(schedules);
// 일정 날짜별 맵 (O(1) 조회용) - 지연된 데이터로 점 표시
const scheduleDateMap = useMemo(() => { const scheduleDateMap = useMemo(() => {
const map = new Map(); const map = new Map();
schedules.forEach(s => { deferredSchedules.forEach(s => {
const dateStr = formatDate(s.date); const dateStr = formatDate(s.date);
if (!map.has(dateStr)) { if (!map.has(dateStr)) {
map.set(dateStr, s); map.set(dateStr, s);
} }
}); });
return map; return map;
}, [schedules]); }, [deferredSchedules]);
// 해당 날짜에 일정이 있는지 확인 (O(1)) // 해당 날짜에 일정이 있는지 확인 (O(1))
const hasSchedule = (day) => { const hasSchedule = (day) => {
@ -245,6 +354,13 @@ function AdminSchedule() {
} }
}, [loading]); // 로딩이 끝나면 스크롤 복원 }, [loading]); // 로딩이 끝나면 스크롤 복원
// 날짜 변경 시 스크롤 맨 위로 초기화
useEffect(() => {
if (scrollContainerRef.current) {
scrollContainerRef.current.scrollTop = 0;
}
}, [selectedDate]);
// 스크롤 위치 저장 // 스크롤 위치 저장
const handleScroll = (e) => { const handleScroll = (e) => {
setScrollPosition(e.target.scrollTop); setScrollPosition(e.target.scrollTop);
@ -415,38 +531,50 @@ function AdminSchedule() {
return (str || '').toLowerCase().replace(/[\s\-_.,!?#@]/g, ''); return (str || '').toLowerCase().replace(/[\s\-_.,!?#@]/g, '');
}; };
// 일정 목록 (검색 모드일 때 searchResults, 일반 모드일 때 로컬 필터링) // 일정 목록 (검색 모드일 때 searchResults, 일반 모드일 때 로컬 필터링) - useMemo로 최적화
const filteredSchedules = isSearchMode const filteredSchedules = useMemo(() => {
? (searchTerm ? searchResults : []) // 검색 모드: 검색 전엔 빈 목록, 검색 후엔 API 결과 if (isSearchMode) {
: schedules.filter(schedule => { // 일반 모드: 로컬 필터링 return searchTerm ? searchResults : [];
}
// 일반 모드: 로컬 필터링
return schedules.filter(schedule => {
const matchesCategory = selectedCategories.length === 0 || selectedCategories.includes(schedule.category_id); const matchesCategory = selectedCategories.length === 0 || selectedCategories.includes(schedule.category_id);
const scheduleDate = formatDate(schedule.date); const scheduleDate = formatDate(schedule.date);
const matchesDate = !selectedDate || scheduleDate === selectedDate; const matchesDate = !selectedDate || scheduleDate === selectedDate;
return matchesCategory && matchesDate; return matchesCategory && matchesDate;
}); });
}, [isSearchMode, searchTerm, searchResults, schedules, selectedCategories, selectedDate]);
// 검색 모드일 때 카테고리별 검색 결과 카운트 계산 // 카테고리별 카운트 맵 (useMemo로 미리 계산) - 선택된 날짜 기준
const getSearchCategoryCount = (categoryId) => { const categoryCounts = useMemo(() => {
if (!isSearchMode || !searchTerm) { const source = (isSearchMode && searchTerm) ? searchResults : schedules;
return schedules.filter(s => s.category_id === categoryId).length; const counts = new Map();
} let total = 0;
return searchResults.filter(s => s.category_id === categoryId).length;
};
// 검색 모드일 때 전체 일정 수 source.forEach(s => {
const getTotalCount = () => { // 선택된 날짜가 있으면 해당 날짜만 카운트
if (!isSearchMode || !searchTerm) { if (selectedDate) {
return schedules.length; const scheduleDate = formatDate(s.date);
} if (scheduleDate !== selectedDate) return;
return searchResults.length; }
};
const catId = s.category_id;
counts.set(catId, (counts.get(catId) || 0) + 1);
total++;
});
counts.set('total', total);
return counts;
}, [schedules, searchResults, isSearchMode, searchTerm, selectedDate]);
// 정렬된 카테고리 목록 (메모이제이션으로 깜빡임 방지) // 정렬된 카테고리 목록 (메모이제이션으로 깜빡임 방지)
const sortedCategories = useMemo(() => { const sortedCategories = useMemo(() => {
const total = categoryCounts.get('total') || 0;
return categories return categories
.map(category => ({ .map(category => ({
...category, ...category,
count: category.id === 'all' ? getTotalCount() : getSearchCategoryCount(category.id) count: category.id === 'all' ? total : (categoryCounts.get(category.id) || 0)
})) }))
.filter(category => category.id === 'all' || category.count > 0) .filter(category => category.id === 'all' || category.count > 0)
.sort((a, b) => { .sort((a, b) => {
@ -456,7 +584,7 @@ function AdminSchedule() {
if (b.name === '기타') return -1; if (b.name === '기타') return -1;
return b.count - a.count; return b.count - a.count;
}); });
}, [categories, schedules, searchResults, isSearchMode, searchTerm]); }, [categories, categoryCounts]);
return ( return (
<div className="min-h-screen bg-gray-50"> <div className="min-h-screen bg-gray-50">
@ -1154,99 +1282,18 @@ function AdminSchedule() {
</div> </div>
</> </>
) : ( ) : (
/* 일반 모드: 기존 렌더링 */ /* 일반 모드: ScheduleItem 컴포넌트 사용 */
filteredSchedules.map((schedule, index) => ( filteredSchedules.map((schedule, index) => (
<motion.div <ScheduleItem
key={`${schedule.id}-${selectedDate || 'all'}`} key={`${schedule.id}-${selectedDate || 'all'}`}
initial={{ opacity: 0 }} schedule={schedule}
animate={{ opacity: 1 }} index={index}
transition={{ delay: Math.min(index, 10) * 0.03 }} selectedDate={selectedDate}
className="p-6 hover:bg-gray-50 transition-colors group" categories={categories}
> getColorStyle={getColorStyle}
<div className="flex items-start gap-4"> navigate={navigate}
<div className="w-20 text-center flex-shrink-0"> openDeleteDialog={openDeleteDialog}
<div className="text-2xl font-bold text-gray-900"> />
{new Date(schedule.date).getDate()}
</div>
<div className="text-sm text-gray-500">
{['일', '월', '화', '수', '목', '금', '토'][new Date(schedule.date).getDay()]}요일
</div>
</div>
<div
className="w-1.5 rounded-full flex-shrink-0 self-stretch"
style={{ backgroundColor: getColorStyle(categories.find(c => c.id === schedule.category_id)?.color)?.style?.backgroundColor || '#6b7280' }}
/>
<div className="flex-1 min-w-0">
<h3 className="font-semibold text-gray-900 truncate">{schedule.title}</h3>
<div className="flex items-center gap-3 mt-1 text-sm text-gray-500">
{schedule.time && (
<span className="flex items-center gap-1">
<Clock size={14} />
{schedule.time.slice(0, 5)}
</span>
)}
<span className="flex items-center gap-1">
<Tag size={14} />
{categories.find(c => c.id === schedule.category_id)?.name || '미분류'}
</span>
{schedule.source_name && (
<span className="flex items-center gap-1">
<Link2 size={14} />
{schedule.source_name}
</span>
)}
</div>
{(() => {
const memberNames = schedule.member_names || schedule.members?.map(m => m.name).join(',') || '';
const memberList = memberNames.split(',').filter(name => name.trim());
if (memberList.length === 0) return null;
return (
<div className="flex flex-wrap gap-1.5 mt-2">
{memberList.length >= 5 ? (
<span className="px-2 py-0.5 bg-primary/10 text-primary text-xs font-medium rounded-full">
프로미스나인
</span>
) : (
memberList.map((name, i) => (
<span key={i} className="px-2 py-0.5 bg-primary/10 text-primary text-xs font-medium rounded-full">
{name.trim()}
</span>
))
)}
</div>
);
})()}
</div>
<div className="flex items-center gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
{schedule.source_url && (
<a
href={schedule.source_url}
target="_blank"
rel="noopener noreferrer"
onClick={(e) => e.stopPropagation()}
className="p-2 hover:bg-blue-100 rounded-lg transition-colors text-blue-500"
>
<ExternalLink size={18} />
</a>
)}
<button
onClick={() => navigate(`/admin/schedule/${schedule.id}/edit`)}
className="p-2 hover:bg-gray-200 rounded-lg transition-colors text-gray-500"
>
<Edit2 size={18} />
</button>
<button
onClick={() => openDeleteDialog(schedule)}
className="p-2 hover:bg-red-100 rounded-lg transition-colors text-red-500"
>
<Trash2 size={18} />
</button>
</div>
</div>
</motion.div>
)) ))
)} )}
</div> </div>