initial

2026-04-18 23:11:35 +02:00
commit f7cfd2a86e
196 changed files with 35538 additions and 0 deletions
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+import { type AttachmentHandle, downloadAndDecryptAttachment } from '@chat-app/shared/chat';
+import { useEffect, useState } from 'react';
+
+import { supabase } from '../lib/supabase';
+import { AlertIcon, SpinnerIcon, XIcon } from './icons';
+
+interface Props {
+  handle: AttachmentHandle;
+}
+
+export function AttachmentImage({ handle }: Props) {
+  const [blobUrl, setBlobUrl] = useState<string | null>(null);
+  const [error, setError] = useState<string | null>(null);
+  const [lightboxOpen, setLightboxOpen] = useState(false);
+
+  useEffect(() => {
+    let cancelled = false;
+    let url: string | null = null;
+    setError(null);
+    setBlobUrl(null);
+
+    downloadAndDecryptAttachment({ client: supabase, handle })
+      .then((blob) => {
+        if (cancelled) return;
+        url = URL.createObjectURL(blob);
+        setBlobUrl(url);
+      })
+      .catch((err: unknown) => {
+        if (!cancelled) {
+          setError(err instanceof Error ? err.message : 'download failed');
+        }
+      });
+
+    return () => {
+      cancelled = true;
+      if (url) URL.revokeObjectURL(url);
+    };
+  }, [handle.id, handle.storagePath, handle.keyB64, handle.nonceB64]);
+
+  if (error) {
+    return (
+      <div className="mt-2 inline-flex items-center gap-2 rounded-lg border border-rose-500/20 bg-rose-500/10 px-3 py-2 text-xs text-rose-200">
+        <AlertIcon className="h-4 w-4" />
+        <span>{error}</span>
+      </div>
+    );
+  }
+
+  if (!blobUrl) {
+    return (
+      <div className="mt-2 flex h-28 w-28 items-center justify-center rounded-lg border border-white/10 bg-ink-800/60">
+        <SpinnerIcon className="h-5 w-5 text-brand-400" />
+      </div>
+    );
+  }
+
+  return (
+    <>
+      <button
+        type="button"
+        onClick={() => setLightboxOpen(true)}
+        aria-label="Bild öffnen"
+        className="mt-2 block w-fit max-w-full cursor-pointer overflow-hidden rounded-lg border border-white/10 bg-ink-800/40 transition hover:border-white/20 focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-400/40"
+      >
+        <img
+          src={blobUrl}
+          alt="attachment"
+          loading="lazy"
+          className="block h-auto max-h-80 w-auto max-w-full object-contain"
+        />
+      </button>
+      {lightboxOpen && <Lightbox url={blobUrl} onClose={() => setLightboxOpen(false)} />}
+    </>
+  );
+}
+
+function Lightbox({ url, onClose }: { url: string; onClose: () => void }) {
+  useEffect(() => {
+    function onKey(e: KeyboardEvent) {
+      if (e.key === 'Escape') onClose();
+    }
+    document.addEventListener('keydown', onKey);
+    const prevOverflow = document.body.style.overflow;
+    document.body.style.overflow = 'hidden';
+    return () => {
+      document.removeEventListener('keydown', onKey);
+      document.body.style.overflow = prevOverflow;
+    };
+  }, [onClose]);
+
+  return (
+    <div
+      role="dialog"
+      aria-modal="true"
+      aria-label="Bildansicht"
+      onClick={onClose}
+      className="fixed inset-0 z-50 flex items-center justify-center bg-ink-950/90 p-6 backdrop-blur-sm animate-fade-in"
+    >
+      <button
+        type="button"
+        onClick={onClose}
+        aria-label="Schließen"
+        className="absolute right-4 top-4 flex h-10 w-10 cursor-pointer items-center justify-center rounded-full border border-white/10 bg-ink-900/80 text-neutral-200 transition hover:bg-white/10 focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-400/40"
+      >
+        <XIcon className="h-5 w-5" />
+      </button>
+      <img
+        src={url}
+        alt="attachment full"
+        onClick={(e) => e.stopPropagation()}
+        className="max-h-[92vh] max-w-[92vw] rounded-xl object-contain shadow-2xl"
+      />
+    </div>
+  );
+}