feat(home): kompakter Hero und Community-Galerie
Startseite "/" mit kompaktem Hero (grosse schwebende Karte rechts: neueste sichtbare Community-Karte, sonst das eigene Beispielmotiv hero-beispiel.png) und direkt darunter der Galerie #community, damit Ueberschrift und Oberkante der ersten Kartenreihe bei 1440x900 und 390x844 im ersten Bildschirm stehen. - mountHomePage(root, deps): Suche ?q= und Tag ?tag= aus der Adresse (aktiver Begriff mit "x"), Suchfeld der Kopfzeile per .value gefuellt, Mehr laden per Cursor, Leer-/Kein-Treffer-/Fehlertexte, Admin-Filter Alle/Gemeldet/ Ausgeblendet (reagiert auf Anmelden/Abmelden), Anker nach dem Laden erneut angesprungen (router.scrollToHash exportiert), Object-URLs beim Verlassen frei. - mountGalleryGrid: Kacheln mit Vorschau (Object-URL, max. 6 parallel), Titel, Herausgeber, bis 3 Tag-Knoepfe (Tag-Klick -> /?tag=<tag>#community), Link auf /community/<id>; Moderations-Marken nur in den Admin-Ansichten. - Hero hoechstens 60vh auf breiten, hohen Fenstern; Schwebe-Animation nur ohne prefers-reduced-motion. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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@@ -1,10 +1,341 @@
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// Startseite „/“: Hero + Community-Galerie. Platzhalter – Task 5 füllt sie.
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// Startseite „/“: kompakter Hero mit großer Karte und direkt darunter die Community-Galerie (Anker #community).
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// Suche (`?q=`) und Tag (`?tag=`) kommen aus der Adresse; Label-Admins sehen zusätzlich die Filter Alle/Gemeldet/Ausgeblendet.
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import '../community/community.css';
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import { currentUser, isAdmin, onAuthChange, type User } from '../account/auth';
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import { mountGalleryGrid, type GalleryGrid } from '../community/gallery-grid';
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import { listGallery, loadGalleryImage, type GalleryCard, type GalleryFilter, type GalleryOptions } from '../community/gallery';
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import { el } from '../editor/dom';
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import { navigate, scrollToHash } from './router';
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export function mountHomePage(root: HTMLElement): () => void {
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root.replaceChildren(
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el('h1', {}, 'Kartendesigns für Apple Wallet'),
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el('section', { id: 'community', class: 'home-community' }, el('h2', {}, 'Community-Karten')),
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type Page = { cards: GalleryCard[]; nextCursor: string | null };
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/** Alles, was die Seite von außen braucht (für Tests austauschbar). */
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export interface HomeDeps {
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listGallery(opts: GalleryOptions): Promise<Page>;
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loadImage(card: GalleryCard, size: 'full' | 'preview'): Promise<Blob>;
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currentUser(): User | null;
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onAuthChange(fn: (user: User | null) => void): () => void;
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navigate(path: string): void;
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scrollToHash(hash: string): void;
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}
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export const defaultDeps: HomeDeps = {
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listGallery,
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loadImage: loadGalleryImage,
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currentUser,
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onAuthChange,
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navigate,
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scrollToHash,
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};
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const EXAMPLE_IMAGE = '/hero-beispiel.png';
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const EXAMPLE_ALT = 'Beispielmotiv: violetter Verlauf mit Wellen und dem AirCard-IOS-Symbol';
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const CARD_W = 1536;
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const CARD_H = 969;
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const LOADING = 'Karten werden geladen …';
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const LOAD_ERROR = 'Die Community-Karten konnten gerade nicht geladen werden.';
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const MORE_ERROR = 'Weitere Karten konnten nicht geladen werden. Bitte nochmal versuchen.';
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const EMPTY = 'Noch keine Community-Karten – sei die erste!';
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const EMPTY_VIEW = 'Keine Karten in dieser Ansicht.';
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const FILTERS: ReadonlyArray<readonly [GalleryFilter, string]> = [
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['all', 'Alle'],
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['reported', 'Gemeldet'],
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['hidden', 'Ausgeblendet'],
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];
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/** `/` plus Suche und/oder Tag, mit Anker auf die Galerie. */
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function communityPath(next: { q?: string; tag?: string }): string {
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const parts: string[] = [];
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if (next.q) parts.push(`q=${encodeURIComponent(next.q)}`);
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if (next.tag) parts.push(`tag=${encodeURIComponent(next.tag)}`);
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return `/${parts.length > 0 ? `?${parts.join('&')}` : ''}#community`;
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}
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export function mountHomePage(root: HTMLElement, deps: HomeDeps = defaultDeps): () => void {
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const params = new URLSearchParams(location.search);
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const query = (params.get('q') ?? '').trim();
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const tag = (params.get('tag') ?? '').trim();
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let disposed = false;
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let filter: GalleryFilter = 'all';
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let loadToken = 0;
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let cursor: string | null = null;
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let loadingMore = false;
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let moreError = '';
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let grid: GalleryGrid | null = null;
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let heroUrl: string | null = null;
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const options = (): GalleryOptions => ({ q: query || undefined, tag: tag || undefined, filter });
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// Das Suchfeld der Kopfzeile gehört zu main.ts; hier bekommt es den Suchbegriff der Adresse (per .value, nie als HTML).
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const headerInput = document.querySelector<HTMLInputElement>('.header-search-input');
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if (headerInput) headerInput.value = query;
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// ---- Hero ----
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const heroCard = el('div', { class: 'hero-card is-loading' });
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const hero = el(
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'section',
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{ class: 'home-hero', 'aria-label': 'Willkommen' },
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el(
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'div',
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{ class: 'home-hero-copy' },
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el('p', { class: 'home-hero-eyebrow' }, 'Ein bisschen Kunst für dein Wallet'),
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el('h1', { class: 'home-hero-title' }, 'Kartendesigns für Apple Wallet'),
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el('p', { class: 'home-hero-lead' }, 'Entdecke Motive der Community, gestalte dein eigenes und lade es als PNG herunter.'),
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el(
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'div',
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{ class: 'home-hero-actions' },
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el('a', { class: 'home-btn home-btn-primary', href: '#community', 'data-link': true }, 'Karten entdecken ↓'),
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el('a', { class: 'home-btn', href: '/gestalten', 'data-link': true }, 'Gestalten'),
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),
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),
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el('div', { class: 'home-hero-visual' }, heroCard),
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);
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return () => {};
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function setHeroImage(src: string, alt: string, card: GalleryCard | null): void {
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const img = el('img', { src, alt, width: CARD_W, height: CARD_H });
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heroCard.classList.remove('is-loading');
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heroCard.replaceChildren(
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card ? el('a', { class: 'hero-card-link', href: `/community/${encodeURIComponent(card.id)}`, 'data-link': true }, img) : img,
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);
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}
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const showExample = () => setHeroImage(EXAMPLE_IMAGE, EXAMPLE_ALT, null);
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/** Die große Karte: Vollbild der neuesten sichtbaren Karte; ohne Karte oder bei Fehlern das Beispielmotiv. */
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function showHero(newest: Promise<GalleryCard | null>): void {
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newest.then(
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async (card) => {
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if (disposed) return;
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if (!card) return showExample();
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try {
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const blob = await deps.loadImage(card, 'full');
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if (disposed) return;
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heroUrl = URL.createObjectURL(blob);
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setHeroImage(heroUrl, `Community-Karte „${card.title}“`, card);
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} catch {
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if (!disposed) showExample();
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}
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},
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() => {
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if (!disposed) showExample();
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},
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);
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}
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// ---- Galerie-Abschnitt ----
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const filterSlot = el('div', { class: 'community-filter-slot' });
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const activeSlot = el('div', { class: 'community-active-slot' });
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const statusSlot = el('div', { class: 'community-status-slot' });
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const gridHost = el('div', { class: 'community-grid-host' });
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const moreSlot = el('div', { class: 'community-more' });
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const section = el(
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'section',
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{ id: 'community', class: 'home-community', 'aria-labelledby': 'community-title' },
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el(
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'div',
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{ class: 'community-head' },
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el(
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'div',
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{ class: 'community-head-text' },
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el('h2', { id: 'community-title', class: 'community-title' }, 'Community-Karten'),
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el('p', { class: 'community-sub' }, 'Entdecke Motive der Community – und veröffentliche deine eigenen.'),
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),
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el('a', { class: 'home-btn home-btn-primary community-publish', href: '/gestalten', 'data-link': true }, 'Gestalten & veröffentlichen'),
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),
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el('div', { class: 'community-toolbar' }, activeSlot, filterSlot),
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statusSlot,
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gridHost,
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moreSlot,
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);
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root.replaceChildren(hero, section);
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// Aktiver Suchbegriff / Tag mit „ד (zurück zur Galerie ohne diesen Begriff)
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function chip(label: string, value: string, clearLabel: string, target: string): HTMLElement {
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const clear = el('button', { type: 'button', class: 'community-chip-clear', 'aria-label': clearLabel }, '×');
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clear.addEventListener('click', () => deps.navigate(target));
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return el(
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'span',
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{ class: 'community-chip' },
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el('span', { class: 'community-chip-label' }, `${label}:`),
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el('strong', { class: 'community-chip-value' }, value),
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clear,
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);
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}
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if (query || tag) {
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const active = el('div', { class: 'community-active' });
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if (query) active.append(chip('Suche', query, 'Suche zurücksetzen', communityPath({ tag })));
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if (tag) active.append(chip('Tag', tag, 'Tag-Filter zurücksetzen', communityPath({ q: query })));
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activeSlot.append(active);
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}
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// Admin-Filter
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const filterButtons = new Map<GalleryFilter, HTMLButtonElement>();
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function syncFilterButtons(): void {
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for (const [value, button] of filterButtons) button.setAttribute('aria-pressed', String(value === filter));
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}
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function renderFilter(user: User | null): void {
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filterButtons.clear();
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if (!isAdmin(user)) {
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filterSlot.replaceChildren();
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return;
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}
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const group = el('div', { class: 'community-filter', role: 'group', 'aria-label': 'Ansicht' });
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for (const [value, label] of FILTERS) {
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const button = el('button', { type: 'button', class: 'community-filter-btn' }, label);
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button.addEventListener('click', () => setFilter(value));
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filterButtons.set(value, button);
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group.append(button);
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}
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filterSlot.replaceChildren(group);
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syncFilterButtons();
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}
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function setFilter(next: GalleryFilter): void {
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if (next === filter) return;
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filter = next;
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syncFilterButtons();
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loadFirst(deps.listGallery(options()));
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}
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// ---- Laden ----
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function showStatus(text: string, role: 'status' | 'alert', retry = false): void {
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const message = el('p', { class: `community-status${role === 'alert' ? ' is-error' : ''}`, role }, text);
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const nodes: Node[] = [message];
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if (retry) {
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const button = el('button', { type: 'button', class: 'home-btn home-btn-primary' }, 'Nochmal versuchen');
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button.addEventListener('click', () => loadFirst(deps.listGallery(options())));
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nodes.push(button);
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}
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statusSlot.replaceChildren(...nodes);
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}
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function showEmpty(): void {
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const nodes: Node[] = [];
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if (filter !== 'all') {
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nodes.push(el('p', {}, EMPTY_VIEW));
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} else if (query || tag) {
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nodes.push(el('p', {}, `Nichts gefunden für „${[query, tag].filter(Boolean).join(' · ')}“`));
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} else {
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nodes.push(
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el('p', {}, EMPTY),
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el('a', { class: 'home-btn home-btn-primary', href: '/gestalten', 'data-link': true }, 'Gestalten'),
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);
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}
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statusSlot.replaceChildren(el('div', { class: 'community-empty' }, ...nodes));
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}
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function renderMore(): void {
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if (!cursor) {
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moreSlot.replaceChildren();
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return;
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}
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const button = el('button', { type: 'button', class: 'home-btn community-more-btn' }, 'Mehr laden');
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if (loadingMore) {
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button.disabled = true;
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button.setAttribute('aria-busy', 'true');
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}
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button.addEventListener('click', () => void loadMore());
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moreSlot.replaceChildren(
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...(moreError ? [el('p', { class: 'community-more-msg is-error', role: 'alert' }, moreError)] : []),
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button,
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);
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}
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/** Beginnt die Liste neu (andere Ansicht, Wiederholen); `pending` ist die schon laufende Abfrage der ersten Seite. */
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function loadFirst(pending: Promise<Page>): void {
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const token = ++loadToken;
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grid?.dispose();
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grid = mountGalleryGrid(gridHost, {
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load: (card) => deps.loadImage(card, 'preview'),
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onTag: (name) => deps.navigate(communityPath({ tag: name })),
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showStatus: filter !== 'all', // Moderations-Marken nur in den Admin-Ansichten
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});
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cursor = null;
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loadingMore = false;
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moreError = '';
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moreSlot.replaceChildren();
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showStatus(LOADING, 'status');
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pending.then(
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(res) => {
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if (disposed || token !== loadToken) return;
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statusSlot.replaceChildren();
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if (res.cards.length === 0) showEmpty();
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else grid?.append(res.cards);
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cursor = res.nextCursor;
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renderMore();
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},
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() => {
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if (disposed || token !== loadToken) return;
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showStatus(LOAD_ERROR, 'alert', true);
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},
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);
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}
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async function loadMore(): Promise<void> {
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if (!cursor || loadingMore) return;
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const token = loadToken;
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loadingMore = true;
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moreError = '';
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renderMore();
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try {
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const res = await deps.listGallery({ ...options(), cursor });
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if (disposed || token !== loadToken) return;
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loadingMore = false;
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grid?.append(res.cards);
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cursor = res.nextCursor;
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} catch {
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if (disposed || token !== loadToken) return;
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loadingMore = false;
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moreError = MORE_ERROR;
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}
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renderMore();
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}
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// ---- Start ----
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renderFilter(deps.currentUser());
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const stopAuth = deps.onAuthChange((user) => {
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if (disposed) return;
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renderFilter(user);
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// Wer keine Admin-Rechte (mehr) hat, kann keine Admin-Ansicht offen haben.
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if (!isAdmin(user) && filter !== 'all') {
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filter = 'all';
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loadFirst(deps.listGallery(options()));
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}
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});
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const first = deps.listGallery(options());
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loadFirst(first);
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// Die Hero-Karte zeigt immer die neueste sichtbare Karte, auch bei Suche/Tag: dann braucht sie eine eigene Abfrage.
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const unfiltered = !query && !tag;
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showHero((unfiltered ? first : deps.listGallery({})).then((res) => res.cards[0] ?? null));
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// Der Anker (z. B. /#community) existiert erst jetzt; nach dem ersten Laden noch einmal, weil die Seite dann länger ist.
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if (location.hash) {
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deps.scrollToHash(location.hash);
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const hash = location.hash;
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const again = () => {
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if (!disposed) deps.scrollToHash(hash);
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};
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first.then(again, again);
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}
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return () => {
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disposed = true;
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stopAuth();
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grid?.dispose();
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grid = null;
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if (heroUrl) URL.revokeObjectURL(heroUrl);
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heroUrl = null;
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};
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}
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Reference in new issue
Block a user