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https://github.com/kennethreitz/photos.kennethreitz.org.git
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kennethreitz
48cc7bf8b0
/random/ picks a random public image and redirects to its detail page. Shows as the last nav item after Search. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
281 lines
9.9 KiB
Python
281 lines
9.9 KiB
Python
import json
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import random
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from django.db.models import Count
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from django.db.models.functions import ExtractYear
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from django.http import JsonResponse
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from django.shortcuts import get_object_or_404, redirect, render
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from core.models import ExifData, Image
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PAGE_SIZE = 48
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def random_image(request):
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img = (
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Image.objects.filter(visibility='public', is_processing=False)
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.order_by('?')
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.values_list('id', flat=True)
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.first()
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)
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if img:
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return redirect(f'/images/{img}/')
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return redirect('/')
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def home(request):
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year = request.GET.get('year')
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page = int(request.GET.get('page', 1))
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qs = Image.objects.filter(
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visibility=Image.Visibility.PUBLIC, is_processing=False,
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)
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if year:
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qs = qs.filter(exif__date_taken__year=year)
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# Shuffle with a stable seed per session
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seed = request.session.get('shuffle_seed')
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if not seed or request.GET.get('reshuffle'):
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seed = random.randint(0, 2**31)
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request.session['shuffle_seed'] = seed
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all_ids = list(qs.values_list('id', flat=True))
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rng = random.Random(seed)
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rng.shuffle(all_ids)
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start = (page - 1) * PAGE_SIZE
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page_ids = all_ids[start:start + PAGE_SIZE]
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has_more = start + PAGE_SIZE < len(all_ids)
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images = (
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Image.objects.filter(id__in=page_ids)
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.select_related('user', 'exif', 'exif__camera', 'exif__lens')
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)
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id_order = {uid: i for i, uid in enumerate(page_ids)}
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images = sorted(images, key=lambda img: id_order[img.id])
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years = (
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ExifData.objects.filter(date_taken__isnull=False)
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.annotate(year=ExtractYear('date_taken'))
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.values_list('year', flat=True)
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.distinct()
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.order_by('-year')
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)
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if request.headers.get('HX-Request'):
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return render(request, 'includes/image_grid_page.html', {
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'images': images,
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'page': page,
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'has_more': has_more,
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'selected_year': year,
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})
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return render(request, 'home.html', {
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'images': images,
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'years': list(years),
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'selected_year': year,
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'page': page,
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'has_more': has_more,
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'total_count': len(all_ids),
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})
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from django.views.decorators.clickjacking import xframe_options_exempt
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@xframe_options_exempt
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def embed(request):
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"""Embeddable mini version of the site for iframes."""
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from core.models import SiteConfig
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config = SiteConfig.load()
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year = request.GET.get('year', '')
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return render(request, 'embed.html', {
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'year': year,
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'analytics_code': config.analytics_code,
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})
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def _oembed_grid_item(img, thumb):
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"""Build an oEmbed grid item with EXIF overlay."""
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overlay = ''
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try:
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exif = img.exif
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parts = []
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if exif.camera:
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parts.append(exif.camera.display_name)
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if exif.focal_length:
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parts.append(f'{exif.focal_length}mm')
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if exif.aperture:
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parts.append(f'f/{exif.aperture}')
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if parts:
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overlay = (
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f'<div style="position:absolute;bottom:0;left:0;right:0;padding:4px 6px;'
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f'background:linear-gradient(transparent,rgba(0,0,0,0.8));'
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f'color:rgba(255,255,255,0.75);font-size:0.6em;line-height:1.3;'
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f'font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;">'
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f'{"<br>".join(parts)}</div>'
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)
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except Exception:
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pass
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return (
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f'<a href="https://photos.kennethreitz.org/images/{img.id}/" '
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f'style="display:block;position:relative;aspect-ratio:1;overflow:hidden;border-radius:4px;">'
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f'<img src="{thumb.url}" style="width:100%;height:100%;object-fit:cover;">'
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f'{overlay}</a>'
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)
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def oembed(request):
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"""oEmbed endpoint — returns rich embed data for image URLs."""
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url = request.GET.get('url', '')
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maxwidth = int(request.GET.get('maxwidth', 800))
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maxheight = int(request.GET.get('maxheight', 600))
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fmt = request.GET.get('format', 'json')
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import re
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from core.models import SiteConfig
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config = SiteConfig.load()
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# Homepage embed — grid of random photos
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# Collection embed
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col_match = re.search(r'/collections/([^/]+)/', url)
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if col_match:
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from gallery.models import Collection
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col = Collection.objects.filter(slug=col_match.group(1)).first()
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if not col:
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return JsonResponse({'error': 'Not found'}, status=404)
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photos = list(
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Image.objects.filter(
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collection_entries__collection=col, is_processing=False,
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).exclude(thumbnail_small='')[:44]
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)
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grid_html = f'<div style="max-width:800px;"><p><strong>{col.title}</strong></p>'
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grid_html += '<div style="display:grid;grid-template-columns:repeat(4,1fr);gap:4px;max-width:800px;">'
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for img in photos:
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thumb = img.thumbnail_small or img.thumbnail_medium
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if thumb:
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grid_html += _oembed_grid_item(img, thumb)
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grid_html += '</div>'
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grid_html += f'<p style="text-align:center !important;margin-top:8px;display:block;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;"><a href="https://photos.kennethreitz.org/collections/{col.slug}/" style="color:#888;">See more at photos.kennethreitz.org.</a></p></div>'
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return JsonResponse({
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'version': '1.0',
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'type': 'rich',
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'title': col.title,
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'author_name': config.site_title,
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'author_url': 'https://photos.kennethreitz.org',
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'provider_name': config.site_title,
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'provider_url': 'https://photos.kennethreitz.org',
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'html': grid_html,
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'width': min(maxwidth, 800),
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'height': min(maxheight, 400),
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})
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# Image embed
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match = re.search(r'/images/([0-9a-f-]+)/', url)
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if not match:
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# Assume homepage or non-image URL — return a photo grid
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photos = list(
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Image.objects.filter(visibility='public', is_processing=False)
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.exclude(thumbnail_small='')
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.order_by('?')[:44]
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)
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if not photos:
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return JsonResponse({'error': 'No photos'}, status=404)
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iframe_html = (
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f'<iframe src="https://photos.kennethreitz.org/embed/" '
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f'width="{min(maxwidth, 800)}" height="{min(maxheight, 600)}" '
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f'frameborder="0" allowfullscreen '
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f'style="border:none;border-radius:6px;"></iframe>'
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)
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return JsonResponse({
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'version': '1.0',
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'type': 'rich',
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'title': config.site_title,
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'author_name': config.site_title,
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'author_url': 'https://photos.kennethreitz.org',
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'provider_name': config.site_title,
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'provider_url': 'https://photos.kennethreitz.org',
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'html': iframe_html,
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'width': min(maxwidth, 800),
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'height': min(maxheight, 600),
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})
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image = Image.objects.filter(
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id=match.group(1), visibility=Image.Visibility.PUBLIC,
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).select_related('exif', 'exif__camera', 'exif__lens').first()
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if not image:
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return JsonResponse({'error': 'Not found'}, status=404)
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thumb = image.thumbnail_large or image.thumbnail_medium or image.thumbnail_small
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title = image.ai_title or image.title or 'Photograph'
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# Build EXIF summary with links
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base = 'https://photos.kennethreitz.org'
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exif_parts = []
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if image.exif:
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if image.exif.camera:
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exif_parts.append(f'<a href="{base}/cameras/{image.exif.camera.slug}/" target="_blank" style="color:#888;">{image.exif.camera.display_name}</a>')
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if image.exif.lens:
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exif_parts.append(f'<a href="{base}/lenses/{image.exif.lens.slug}/" target="_blank" style="color:#888;">{image.exif.lens.display_name}</a>')
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if image.exif.focal_length:
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exif_parts.append(f"{image.exif.focal_length}mm")
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if image.exif.aperture:
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exif_parts.append(f"f/{image.exif.aperture}")
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if image.exif.iso:
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exif_parts.append(f"ISO {image.exif.iso}")
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exif_line = ' · '.join(exif_parts)
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data = {
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'version': '1.0',
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'type': 'photo',
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'title': title,
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'author_name': config.site_title,
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'author_url': 'https://photos.kennethreitz.org',
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'provider_name': config.site_title,
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'provider_url': 'https://photos.kennethreitz.org',
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'url': thumb.url if thumb else '',
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'width': min(maxwidth, 1600),
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'height': min(maxheight, 1200),
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}
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# Add rich HTML for consumers that support it
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html_parts = [f'<div style="max-width:800px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;"><a href="https://photos.kennethreitz.org/images/{image.id}/" target="_blank"><img src="{thumb.url}" alt="{title}" style="max-width:100%;border-radius:4px;"></a>']
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if exif_line:
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html_parts.append(f'<p style="color:#888;font-size:0.85em;">{exif_line}</p>')
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html_parts.append('</div>')
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data['html'] = '\n'.join(html_parts)
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data['type'] = 'rich'
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return JsonResponse(data)
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def image_detail(request, image_id):
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image = get_object_or_404(
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Image.objects.select_related('user', 'exif', 'exif__camera', 'exif__lens'),
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id=image_id, visibility=Image.Visibility.PUBLIC,
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)
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from django.db import models as m
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Image.objects.filter(id=image_id).update(view_count=m.F('view_count') + 1)
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image.view_count += 1
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# Prev/next navigation
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base_qs = Image.objects.filter(
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visibility=Image.Visibility.PUBLIC, is_processing=False,
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).order_by('-upload_date')
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prev_image = base_qs.filter(upload_date__gt=image.upload_date).order_by('upload_date').first()
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next_image = base_qs.filter(upload_date__lt=image.upload_date).first()
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return render(request, 'image_detail.html', {
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'image': image,
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'prev_image': prev_image,
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'next_image': next_image,
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})
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