caadiq
ae898d01ad
- AlbumGallery.jsx: useEffect 의존성 버그 수정 (id→name) - AlbumGallery.jsx: 미사용 useMemo import 제거 - albums.js: 중복 코드를 getAlbumDetails 헬퍼 함수로 추출 - albums.js: 163줄 → 115줄 (48줄 감소)
316 lines
12 KiB
JavaScript
316 lines
12 KiB
JavaScript
import { useState, useEffect, useCallback } from 'react';
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import { useParams, useNavigate } from 'react-router-dom';
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import { motion, AnimatePresence } from 'framer-motion';
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import { X, ChevronLeft, ChevronRight, Download } from 'lucide-react';
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import { RowsPhotoAlbum } from 'react-photo-album';
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import 'react-photo-album/rows.css';
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function AlbumGallery() {
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const { name } = useParams();
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const navigate = useNavigate();
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const [album, setAlbum] = useState(null);
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const [photos, setPhotos] = useState([]);
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const [loading, setLoading] = useState(true);
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const [lightbox, setLightbox] = useState({ open: false, index: 0 });
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const [imageLoaded, setImageLoaded] = useState(false);
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const [slideDirection, setSlideDirection] = useState(0);
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// URL을 썸네일/원본 버전으로 변환하는 헬퍼
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const getThumbUrl = (url) => {
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// https://s3.../photo/01.webp → https://s3.../photo/thumb_400/01.webp
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const parts = url.split('/');
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const filename = parts.pop();
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return [...parts, 'thumb_400', filename].join('/');
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};
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const getOriginalUrl = (url) => {
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const parts = url.split('/');
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const filename = parts.pop();
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return [...parts, 'original', filename].join('/');
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};
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// 이미지 dimensions 로드
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const loadImageDimensions = (url) => {
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return new Promise((resolve) => {
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const img = new Image();
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img.onload = () => resolve({ width: img.naturalWidth, height: img.naturalHeight });
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img.onerror = () => resolve({ width: 3, height: 4 }); // 기본 3:4 비율
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img.src = url;
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});
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};
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useEffect(() => {
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fetch(`/api/albums/by-name/${name}`)
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.then(res => res.json())
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.then(async data => {
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setAlbum(data);
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const allPhotos = [];
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if (data.conceptPhotos && typeof data.conceptPhotos === 'object') {
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Object.entries(data.conceptPhotos).forEach(([concept, photos]) => {
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photos.forEach(p => allPhotos.push({
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thumbUrl: getThumbUrl(p.url),
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originalUrl: getOriginalUrl(p.url),
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title: concept,
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members: p.members ? p.members.split(', ') : []
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}));
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});
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}
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// 모든 이미지 dimensions 로드
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const photosWithDimensions = await Promise.all(
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allPhotos.map(async (photo) => {
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const dims = await loadImageDimensions(photo.thumbUrl);
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return { ...photo, width: dims.width, height: dims.height };
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})
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);
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setPhotos(photosWithDimensions);
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setLoading(false);
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})
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.catch(error => {
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console.error('앨범 데이터 로드 오류:', error);
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setLoading(false);
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});
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}, [name]);
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// 라이트박스 열기
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const openLightbox = (index) => {
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setImageLoaded(false);
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setLightbox({ open: true, index });
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};
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// 라이트박스 닫기
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const closeLightbox = useCallback(() => {
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setLightbox(prev => ({ ...prev, open: false }));
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}, []);
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// 이전/다음 이미지
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const goToPrev = useCallback(() => {
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if (photos.length <= 1) return;
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setImageLoaded(false);
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setSlideDirection(-1);
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setLightbox(prev => ({
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...prev,
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index: (prev.index - 1 + photos.length) % photos.length
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}));
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}, [photos.length]);
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const goToNext = useCallback(() => {
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if (photos.length <= 1) return;
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setImageLoaded(false);
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setSlideDirection(1);
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setLightbox(prev => ({
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...prev,
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index: (prev.index + 1) % photos.length
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}));
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}, [photos.length]);
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// 다운로드
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const downloadImage = useCallback(async () => {
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const photo = photos[lightbox.index];
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if (!photo) return;
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try {
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const response = await fetch(photo.originalUrl);
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const blob = await response.blob();
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const url = window.URL.createObjectURL(blob);
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const link = document.createElement('a');
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link.href = url;
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link.download = `fromis9_${album?.title || 'photo'}_${String(lightbox.index + 1).padStart(2, '0')}.webp`;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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window.URL.revokeObjectURL(url);
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} catch (error) {
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console.error('다운로드 오류:', error);
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}
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}, [photos, lightbox.index, album?.title]);
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// 키보드 이벤트
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useEffect(() => {
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if (!lightbox.open) return;
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const handleKeyDown = (e) => {
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switch (e.key) {
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case 'ArrowLeft': goToPrev(); break;
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case 'ArrowRight': goToNext(); break;
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case 'Escape': closeLightbox(); break;
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default: break;
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}
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};
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window.addEventListener('keydown', handleKeyDown);
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return () => window.removeEventListener('keydown', handleKeyDown);
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}, [lightbox.open, goToPrev, goToNext, closeLightbox]);
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// 프리로딩
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useEffect(() => {
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if (!lightbox.open || photos.length <= 1) return;
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const prevIdx = (lightbox.index - 1 + photos.length) % photos.length;
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const nextIdx = (lightbox.index + 1) % photos.length;
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[prevIdx, nextIdx].forEach(idx => {
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const img = new Image();
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img.src = photos[idx].originalUrl;
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});
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}, [lightbox.open, lightbox.index, photos]);
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if (loading) {
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return (
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<motion.div
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initial={{ opacity: 0 }}
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animate={{ opacity: 1 }}
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className="py-16 flex justify-center items-center min-h-[60vh]"
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>
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<div className="animate-spin rounded-full h-12 w-12 border-4 border-primary border-t-transparent"></div>
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</motion.div>
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);
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}
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return (
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<>
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<motion.div
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initial={{ opacity: 0 }}
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animate={{ opacity: 1 }}
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transition={{ duration: 0.3 }}
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className="py-16"
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>
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<div className="container mx-auto px-4">
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{/* 브레드크럼 스타일 헤더 */}
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<div className="mb-8">
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<div className="flex items-center gap-2 text-sm text-gray-500 mb-2">
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<button
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onClick={() => navigate('/album')}
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className="hover:text-primary transition-colors"
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>
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앨범
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</button>
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<span>/</span>
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<button
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onClick={() => navigate(`/album/${name}`)}
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className="hover:text-primary transition-colors"
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>
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{album?.title}
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</button>
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<span>/</span>
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<span className="text-gray-700">컨셉 포토</span>
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</div>
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<h1 className="text-3xl font-bold">컨셉 포토</h1>
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<p className="text-gray-500 mt-1">{photos.length}장의 사진</p>
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</div>
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{/* Justified 갤러리 - react-photo-album */}
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<RowsPhotoAlbum
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photos={photos.map((photo, idx) => ({
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src: photo.thumbUrl,
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width: photo.width || 300,
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height: photo.height || 400,
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key: idx.toString()
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}))}
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targetRowHeight={300}
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spacing={8}
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onClick={({ index }) => openLightbox(index)}
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componentsProps={{
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container: { style: { cursor: 'pointer' } },
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image: {
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loading: 'lazy',
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style: { borderRadius: '8px', transition: 'transform 0.3s' }
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}
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}}
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/>
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</div>
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</motion.div>
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{/* 라이트박스 */}
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<AnimatePresence>
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{lightbox.open && (
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<motion.div
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initial={{ opacity: 0 }}
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animate={{ opacity: 1 }}
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exit={{ opacity: 0 }}
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transition={{ duration: 0.2 }}
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className="fixed inset-0 bg-black/95 z-50 flex items-center justify-center"
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>
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{/* 상단 버튼들 */}
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<div className="absolute top-6 right-6 flex gap-3 z-10">
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<button
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className="text-white/70 hover:text-white transition-colors"
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onClick={downloadImage}
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>
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<Download size={28} />
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</button>
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<button
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className="text-white/70 hover:text-white transition-colors"
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onClick={closeLightbox}
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>
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<X size={32} />
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</button>
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</div>
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{/* 카운터 */}
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<div className="absolute top-6 left-6 text-white/70 text-sm z-10">
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{lightbox.index + 1} / {photos.length}
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</div>
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{/* 이전 버튼 */}
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{photos.length > 1 && (
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<button
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className="absolute left-6 text-white/70 hover:text-white transition-colors z-10"
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onClick={goToPrev}
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>
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<ChevronLeft size={48} />
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</button>
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)}
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{/* 로딩 스피너 */}
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{!imageLoaded && (
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<div className="absolute inset-0 flex items-center justify-center">
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<div className="animate-spin rounded-full h-12 w-12 border-4 border-white border-t-transparent"></div>
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</div>
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)}
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{/* 이미지 */}
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<motion.img
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key={lightbox.index}
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src={photos[lightbox.index]?.originalUrl}
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alt="확대 이미지"
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className={`max-w-[90vw] max-h-[85vh] object-contain rounded-lg transition-opacity duration-200 ${imageLoaded ? 'opacity-100' : 'opacity-0'}`}
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onLoad={() => setImageLoaded(true)}
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initial={{ x: slideDirection * 100 }}
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animate={{ x: 0 }}
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transition={{ duration: 0.25, ease: 'easeOut' }}
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/>
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{/* 다음 버튼 */}
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{photos.length > 1 && (
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<button
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className="absolute right-6 text-white/70 hover:text-white transition-colors z-10"
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onClick={goToNext}
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>
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<ChevronRight size={48} />
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</button>
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)}
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{/* 하단 점 인디케이터 */}
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<div className="absolute bottom-6 flex gap-1.5 flex-wrap justify-center max-w-[80vw]">
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{photos.map((_, i) => (
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<button
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key={i}
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className={`w-2 h-2 rounded-full transition-colors ${i === lightbox.index ? 'bg-white' : 'bg-white/40'}`}
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onClick={() => {
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setImageLoaded(false);
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setLightbox({ ...lightbox, index: i });
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}}
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/>
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))}
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</div>
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</motion.div>
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)}
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</AnimatePresence>
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</>
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);
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}
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export default AlbumGallery;
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