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https://github.com/karl0ss/ai_image_frame_server.git
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working lazyloading
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@ -2,8 +2,8 @@
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<html lang="en">
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<html lang="en">
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<head>
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<head>
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<meta charset="UTF-8">
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Image Archive</title>
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<title>Image Archive</title>
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<style>
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<style>
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* {
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* {
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@ -129,40 +129,85 @@
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<body>
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<body>
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<h1>Image Archive</h1>
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<h1>Image Archive</h1>
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<div class="gallery">
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{% for image in images %}
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<img src="{{ url_for('images', filename='thumbnails/' + image.filename) }}"
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data-fullsrc="{{ url_for('images', filename=image.filename) }}" data-filename="{{ image.filename }}"
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loading="lazy" onclick="openLightbox(this)">
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{% endfor %}
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<!-- Empty gallery container; images will be loaded incrementally -->
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</div>
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<div class="gallery" id="gallery"></div>
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<div class="button-group">
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<div class="button-group">
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<a href="/" class="button-link">Back</a>
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<a href="/" class="button-link">Back</a>
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</div>
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</div>
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<!-- Lightbox -->
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<!-- Lightbox -->
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<div class="lightbox" id="lightbox">
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<div class="lightbox" id="lightbox">
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<span class="close" onclick="closeLightbox()">×</span>
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<span class="close" onclick="closeLightbox()">×</span>
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<span class="arrow left" onclick="prevImage()">❮</span>
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<span class="arrow left" onclick="prevImage()">❮</span>
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<img id="lightbox-img" src="">
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<img id="lightbox-img" src="" />
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<p id="lightbox-prompt"></p>
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<p id="lightbox-prompt"></p>
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<span class="arrow right" onclick="nextImage()">❯</span>
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<span class="arrow right" onclick="nextImage()">❯</span>
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</div>
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</div>
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<!-- Pass image filenames from Flask to JS -->
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<script>
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<script>
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const images = Array.from(document.querySelectorAll('.gallery img'));
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const allImages = [
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{% for image in images %}
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{ filename: "{{ image.filename }}" },
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{% endfor %}
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];
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</script>
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<script>
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const gallery = document.getElementById('gallery');
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const batchSize = 6; // images to load per batch
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let loadedCount = 0;
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let currentIndex = 0;
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let currentIndex = 0;
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const detailsCache = {}; // Cache object
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const detailsCache = {}; // Cache for image details
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function createImageElement(image) {
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const img = document.createElement('img');
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img.src = `/images/thumbnails/${image.filename}`;
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img.dataset.fullsrc = `/images/${image.filename}`;
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img.dataset.filename = image.filename;
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img.loading = 'lazy';
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img.style.cursor = 'pointer';
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img.style.borderRadius = '10px';
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img.addEventListener('click', () => openLightbox(img));
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return img;
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}
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function loadNextBatch() {
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const nextImages = allImages.slice(loadedCount, loadedCount + batchSize);
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nextImages.forEach(image => {
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const imgEl = createImageElement(image);
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gallery.appendChild(imgEl);
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});
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loadedCount += nextImages.length;
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}
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// Load initial batch
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loadNextBatch();
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// Load more images when scrolling near bottom
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window.addEventListener('scroll', () => {
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if (loadedCount >= allImages.length) return; // all loaded
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if ((window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 100)) {
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loadNextBatch();
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}
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});
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// Get current images in gallery for lightbox navigation
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function getGalleryImages() {
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return Array.from(gallery.querySelectorAll('img'));
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}
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function openLightbox(imgEl) {
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function openLightbox(imgEl) {
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const images = getGalleryImages();
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currentIndex = images.indexOf(imgEl);
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currentIndex = images.indexOf(imgEl);
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showImageAndLoadDetails(currentIndex);
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showImageAndLoadDetails(currentIndex);
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document.getElementById("lightbox").style.display = "flex";
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document.getElementById("lightbox").style.display = "flex";
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}
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}
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function showImageAndLoadDetails(index) {
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function showImageAndLoadDetails(index) {
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const images = getGalleryImages();
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const imgEl = images[index];
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const imgEl = images[index];
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const filename = imgEl.dataset.filename;
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const filename = imgEl.dataset.filename;
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const fullsrc = imgEl.dataset.fullsrc;
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const fullsrc = imgEl.dataset.fullsrc;
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@ -170,11 +215,9 @@
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document.getElementById("lightbox-img").src = fullsrc;
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document.getElementById("lightbox-img").src = fullsrc;
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if (detailsCache[filename]) {
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if (detailsCache[filename]) {
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// If cached, use cached data immediately
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document.getElementById("lightbox-prompt").textContent =
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document.getElementById("lightbox-prompt").textContent =
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`Model: ${detailsCache[filename].model}\n\n${detailsCache[filename].prompt}`;
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`Model: ${detailsCache[filename].model}\n\n${detailsCache[filename].prompt}`;
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} else {
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} else {
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// Otherwise show loading and fetch
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document.getElementById("lightbox-prompt").textContent = "Loading…";
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document.getElementById("lightbox-prompt").textContent = "Loading…";
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fetch(`/image-details/${encodeURIComponent(filename)}`)
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fetch(`/image-details/${encodeURIComponent(filename)}`)
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@ -194,11 +237,13 @@
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}
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}
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function nextImage() {
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function nextImage() {
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const images = getGalleryImages();
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currentIndex = (currentIndex + 1) % images.length;
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currentIndex = (currentIndex + 1) % images.length;
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showImageAndLoadDetails(currentIndex);
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showImageAndLoadDetails(currentIndex);
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}
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}
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function prevImage() {
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function prevImage() {
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const images = getGalleryImages();
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currentIndex = (currentIndex - 1 + images.length) % images.length;
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currentIndex = (currentIndex - 1 + images.length) % images.length;
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showImageAndLoadDetails(currentIndex);
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showImageAndLoadDetails(currentIndex);
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}
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}
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@ -207,8 +252,6 @@
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document.getElementById("lightbox").style.display = "none";
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document.getElementById("lightbox").style.display = "none";
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}
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}
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</script>
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</script>
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</body>
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</body>
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</html>
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</html>
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