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Media-Previews: _preview.jpg bei Upload, alle Listenansichten — SW by-v437, APP_VER 416

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- media_utils: generate_preview() (Pillow, max 800px, JPEG q72) + preview_url_from()
- diary.py: Preview beim Bild-Upload, preview_url in media_items + cover_preview_url
  in Kalender-, Karten- und Listenabfragen
- forum.py: Preview in _save_upload(), foto_preview_url in Thread-Listen
- Frontend diary.js: cover_preview_url in Listenansicht, Mediengalerie, Kalender,
  Karten-Marker + Popup; onerror-Fallback auf Original
- Frontend forum.js: foto_preview_url in Thread-Karten-Thumbnails
- Admin: 'Previews generieren (Bestand)' Button → POST /admin/media/generate-previews
This commit is contained in:
rene 2026-04-26 17:30:00 +02:00
parent faf433f4cf
commit 5bd07d9598
9 changed files with 145 additions and 17 deletions
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22
backend/static/js/pages/admin.js
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@ -870,6 +870,13 @@ window.Page_admin = (() => {
</div>
<div id="adm-sys-cards">Lade…</div>
<div class="card" style="margin-top:var(--space-4);padding:var(--space-4)">
<div style="font-size:var(--text-sm);font-weight:var(--weight-semibold);
color:var(--c-text);margin-bottom:var(--space-3)">Medien</div>
<div style="display:flex;flex-wrap:wrap;gap:var(--space-2);margin-bottom:var(--space-3)">
<button class="btn btn-secondary btn-sm" id="adm-generate-previews">
${UI.icon('images')} Previews generieren (Bestand)
</button>
</div>
<div style="font-size:var(--text-sm);font-weight:var(--weight-semibold);
color:var(--c-text);margin-bottom:var(--space-3)">Wiki-Daten</div>
<div style="display:flex;flex-wrap:wrap;gap:var(--space-2)">
@ -926,6 +933,21 @@ window.Page_admin = (() => {
});
el.querySelector('#adm-log-refresh').addEventListener('click', loadLogs);
el.querySelector('#adm-log-level').addEventListener('change', loadLogs);
el.querySelector('#adm-generate-previews').addEventListener('click', async (e) => {
const btn = e.currentTarget;
const res = el.querySelector('#adm-maint-result');
btn.disabled = true;
res.textContent = 'Generiere Previews… (kann 1–2 Minuten dauern)';
try {
const d = await API.post('/admin/media/generate-previews', {});
res.textContent = `✓ ${d.generated} neu generiert · ${d.skipped} bereits vorhanden · ${d.errors} Fehler`;
} catch (err) {
res.textContent = '✗ Fehler: ' + (err.message || err);
} finally {
btn.disabled = false;
}
});
el.querySelector('#adm-enrichment-status').addEventListener('click', async (e) => {
const btn = e.currentTarget;
const res = el.querySelector('#adm-maint-result');