From e97dd392c0835337a775d50e6b7e2fc49454e295 Mon Sep 17 00:00:00 2001
From: smanylov <bio29s@mail.ru>
Date: Tue, 5 May 2026 16:01:08 +0700
Subject: [PATCH] fix download and download name for tracking document

---
 src/app/[locale]/watch-doc/page.tsx |  3 ++-
 src/app/components/PdfViewer.tsx    | 13 ++++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/app/[locale]/watch-doc/page.tsx b/src/app/[locale]/watch-doc/page.tsx
index adcf797..5b10258 100644
--- a/src/app/[locale]/watch-doc/page.tsx
+++ b/src/app/[locale]/watch-doc/page.tsx
@@ -57,7 +57,7 @@ export default async function Page({ searchParams }: PageProps) {
 		error = 'Не удалось загрузить информацию о документе';
 	}
 
-	const documentTitle = title || 'FileName';
+	const documentTitle = response?.fileName || 'FileName';
 
 	if (error || !response) {
 		return (
@@ -132,6 +132,7 @@ export default async function Page({ searchParams }: PageProps) {
 								<PdfViewer
 									fileId={docid}
 									fileName={documentTitle}
+									showDownload={response.permissions?.DOWNLOAD}
 								/>
 							</div>
 						</div>
diff --git a/src/app/components/PdfViewer.tsx b/src/app/components/PdfViewer.tsx
index c32d4ba..22a40e1 100644
--- a/src/app/components/PdfViewer.tsx
+++ b/src/app/components/PdfViewer.tsx
@@ -2,13 +2,15 @@
 
 import { useEffect, useRef, useState } from 'react';
 import { usePdf } from '@/app/contexts/PdfContext';
+import { requestFileAsBuffer } from '@/app/actions/trackingActions';
 
 interface PdfViewerProps {
 	fileId: string;
 	fileName?: string;
+	showDownload?: boolean;
 }
 
-export default function PdfViewer({ fileId, fileName = 'document.pdf' }: PdfViewerProps) {
+export default function PdfViewer({ fileId, fileName = 'document.pdf', showDownload }: PdfViewerProps) {
 	const canvasRef = useRef<HTMLCanvasElement>(null);
 	const [currentPage, setCurrentPage] = useState(1);
 	const [totalPages, setTotalPages] = useState(0);
@@ -26,16 +28,17 @@ export default function PdfViewer({ fileId, fileName = 'document.pdf' }: PdfView
 		const loadAndDisplayPdf = async () => {
 			try {
 				setLoading(true);
-
-				// 1. Получаем данные документа как ArrayBuffer (а не blob URL)
-				const { requestFileAsBuffer } = await import('@/app/actions/trackingActions');
 				const pdfData = await requestFileAsBuffer(fileId);
 
 				if (!pdfData) {
 					throw new Error('Failed to load document');
 				}
 
-				setPdfData(pdfData, fileName);
+				//это нужно для скачивания так-как иначе pdfData теряется для скачивания
+				if (showDownload) {
+					const pdfDataForDownload = pdfData.slice(0);
+					setPdfData(pdfDataForDownload, fileName);
+				}
 
 				if (!isMounted) return;