Files
dyolink/frontend/src/components/ui/lab/LabCaseAttachmentPreview.tsx

68 lines
2.1 KiB
TypeScript

'use client';
import { useEffect, useState } from 'react';
import { FileText } from 'lucide-react';
import type { LabCaseAttachmentMeta } from '@/types/cases';
interface LabCaseAttachmentPreviewProps {
caseId: string;
attachment: LabCaseAttachmentMeta;
loadBlob: (caseId: string, attachmentId: string) => Promise<Blob>;
className?: string;
}
export function LabCaseAttachmentPreview({
caseId,
attachment,
loadBlob,
className = 'aspect-square w-full max-w-[11rem]',
}: LabCaseAttachmentPreviewProps) {
const [url, setUrl] = useState<string | null>(null);
const [failed, setFailed] = useState(false);
useEffect(() => {
let cancelled = false;
let objectUrl: string | null = null;
void (async () => {
try {
const blob = await loadBlob(caseId, attachment.id);
if (cancelled) return;
objectUrl = URL.createObjectURL(blob);
setUrl(objectUrl);
setFailed(false);
} catch {
if (!cancelled) setFailed(true);
}
})();
return () => {
cancelled = true;
if (objectUrl) URL.revokeObjectURL(objectUrl);
};
}, [caseId, attachment.id, loadBlob]);
const isImage = attachment.mimeType.startsWith('image/');
const isPdf = attachment.mimeType === 'application/pdf';
return (
<div
className={`${className} rounded-[var(--radius-md)] border border-border/60 bg-background-secondary overflow-hidden`}
title={attachment.fileName}
>
{url && isImage ? (
<img src={url} alt={attachment.fileName} className="h-full w-full object-cover" />
) : url && isPdf ? (
<iframe src={url} title={attachment.fileName} className="h-full w-full border-0" />
) : (
<div className="flex h-full w-full flex-col items-center justify-center gap-1.5 p-2 text-text-muted">
<FileText className="h-8 w-8 shrink-0 icon-flat" aria-hidden />
<span className="line-clamp-2 text-center text-[10px] leading-tight">
{failed ? 'Preview unavailable' : attachment.fileName}
</span>
</div>
)}
</div>
);
}