Refactor image handling in Photo Gallery
- Update Java version in pom.xml from 21 to 17. - Modify PageController to retrieve image file names instead of HTML. - Implement getImageFileNames method in PhotoService and ImageHtmlBuilder. - Update index.html to display images using Thymeleaf with new data structure.
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3
pom.xml
3
pom.xml
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@ -27,7 +27,7 @@
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<url/>
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</scm>
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<properties>
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<java.version>21</java.version>
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<java.version>17</java.version>
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</properties>
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<dependencies>
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<dependency>
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@ -85,6 +85,7 @@
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<release>${java.version}</release>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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@ -1,6 +1,7 @@
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package com.example.PhotoGallery.Controller;
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import org.springframework.beans.factory.annotation.Autowired;
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import java.util.List;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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@ -15,8 +16,8 @@ public class PageController {
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@GetMapping("/")
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public String index(Model model) {
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String imagesHtml = photoService.buildImageHtml(model);
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model.addAttribute("images", imagesHtml);
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List<String> imageFileNames = photoService.getImageFileNames();
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model.addAttribute("imageFileNames", imageFileNames);
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return "index";
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}
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@ -1,8 +1,8 @@
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package com.example.PhotoGallery.Services;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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@ -16,36 +16,17 @@ public class ImageHtmlBuilder {
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@Autowired
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private PhotoRepo photoRepo;
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public String htmlImageBuilder() {
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String html = "";
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public List<String> getImageFileNames() {
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List<String> fileNames = new ArrayList<>();
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List<Photo> allPhotos = photoRepo.findAll();
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for (Photo photo : allPhotos) {
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String thumbnailPath = photo.getThumbnail_path();
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String filename = new File(thumbnailPath).getName();
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// if (metaData.getDate is before x and after y)
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html = createHtml(filename);
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//if searching && is search in tag
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//html createHtml(filename);
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fileNames.add(filename);
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}
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return html;
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return fileNames;
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}
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private String createHtml(String fileName) {
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StringBuilder html = new StringBuilder();
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html.append("<div class=\"masonry-item\">")
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.append("<img data-src=\"/thumbnails/").append(fileName).append("\" ")
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.append("data-full=\"/images/").append(fileName).append("\" ")
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.append("class=\"lazy-img\" loading=\"lazy\" />")
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.append("</div>");
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return html.toString();
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}
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}
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@ -25,8 +25,8 @@ public class PhotoService {
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databasePopulation.populateDatabase();
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}
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public String buildImageHtml(Model model) {
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return imageHtmlBuilder.htmlImageBuilder();
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public List<String> getImageFileNames() {
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return imageHtmlBuilder.getImageFileNames();
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}
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@ -1,5 +1,6 @@
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<!DOCTYPE html>
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<html lang="en" xmlns:th="http://www.thymeleaf.org">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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@ -14,8 +15,16 @@ body {
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font-family: 'Segoe UI', sans-serif;
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color: #333;
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}
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h2 { font-weight: 700; color: #1b1f3b; }
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.navbar-brand { font-weight: 600; font-size: 1.5rem; }
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h2 {
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font-weight: 700;
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color: #1b1f3b;
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}
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.navbar-brand {
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font-weight: 600;
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font-size: 1.5rem;
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}
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/* Masonry Grid */
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.gallery-container {
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@ -24,6 +33,7 @@ h2 { font-weight: 700; color: #1b1f3b; }
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grid-auto-rows: 10px;
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gap: 10px;
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}
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.masonry-item img {
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width: 100%;
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height: auto;
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@ -32,14 +42,24 @@ h2 { font-weight: 700; color: #1b1f3b; }
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cursor: pointer;
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transition: transform 0.3s ease, box-shadow 0.3s ease;
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}
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.masonry-item img:hover {
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transform: scale(1.03);
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box-shadow: 0 16px 30px rgba(0, 0, 0, 0.25);
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}
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/* Modal styling */
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.modal-content { background-color: rgba(0,0,0,0.95); border: none; border-radius: 10px; }
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.modal-body img { max-height: 85vh; border-radius: 10px; }
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.modal-content {
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background-color: rgba(0, 0, 0, 0.95);
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border: none;
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border-radius: 10px;
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}
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.modal-body img {
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max-height: 85vh;
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border-radius: 10px;
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}
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.modal-navigation {
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position: absolute;
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top: 50%;
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@ -49,6 +69,7 @@ h2 { font-weight: 700; color: #1b1f3b; }
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transform: translateY(-50%);
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padding: 0 1rem;
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}
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.modal-navigation button {
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background: rgba(0, 0, 0, 0.5);
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border: none;
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@ -60,7 +81,10 @@ h2 { font-weight: 700; color: #1b1f3b; }
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cursor: pointer;
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transition: background 0.2s;
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}
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.modal-navigation button:hover { background: rgba(0,0,0,0.8); }
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.modal-navigation button:hover {
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background: rgba(0, 0, 0, 0.8);
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}
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</style>
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</head>
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@ -75,13 +99,13 @@ h2 { font-weight: 700; color: #1b1f3b; }
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</button>
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<div class="collapse navbar-collapse" id="navbarNav">
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<ul class="navbar-nav me-auto mb-2 mb-lg-0">
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<li class="nav-item"><a class="nav-link active" href="#">All</a></li>
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<li class="nav-item"><a class="nav-link" href="#">Favorites</a></li>
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<li class="nav-item"><a class="nav-link" href="#">Recent</a></li>
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<li class="nav-item"><a class="nav-link active disabled" href="#">All</a></li>
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<li class="nav-item"><a class="nav-link disabled" href="#">Favorites</a></li>
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<li class="nav-item"><a class="nav-link disabled" href="#">Recent</a></li>
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</ul>
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<form class="d-flex" role="search">
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<input class="form-control me-2" type="search" placeholder="Search">
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<button class="btn btn-outline-light" type="submit">Search</button>
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<input class="form-control me-2 disabled" type="search" placeholder="Search">
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<button class="btn btn-outline-light disabled" type="submit">Search</button>
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</form>
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</div>
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</div>
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@ -94,7 +118,13 @@ h2 { font-weight: 700; color: #1b1f3b; }
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</div>
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<!-- Gallery Container -->
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<div class="container gallery-container" th:utext="${images}"></div>
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<div class="container gallery-container" id="gallery-container">
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<!--/* Thymeleaf loop to generate image elements */-->
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<div class="masonry-item" th:each="fileName : ${imageFileNames}">
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<img th:data-src="@{/thumbnails/{name}(name=${fileName})}"
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th:data-full="@{/images/{name}(name=${fileName})}" class="lazy-img" loading="lazy" />
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</div>
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</div>
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<!-- Image Modal -->
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<div class="modal fade" id="imageModal" tabindex="-1" aria-hidden="true">
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@ -115,7 +145,7 @@ h2 { font-weight: 700; color: #1b1f3b; }
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<script>
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document.addEventListener('DOMContentLoaded', () => {
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const galleryContainer = document.querySelector('.gallery-container');
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const galleryContainer = document.getElementById('gallery-container');
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const lazyImages = galleryContainer.querySelectorAll('img.lazy-img');
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function resizeMasonryItem(img) {
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@ -167,4 +197,5 @@ document.addEventListener('DOMContentLoaded', () => {
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});
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</script>
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</body>
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</html>
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