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fix: file viewers blocked on mobile — open blank window before async fetch

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Mobile browsers block window.open() after async operations. Changed all
file viewers to open a blank window synchronously in the click handler,
then set location.href after fetch completes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
BOHA
2026-03-27 10:47:45 +01:00
parent 495fdf6da2
commit e6198e1b67
4 changed files with 24 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/admin/pages/InvoiceDetail.tsx
View File

@@ -975,18 +975,21 @@ export default function InvoiceDetail() {
// ─── Edit mode: PDF export ───
const handleViewPdf = async (_lang = "cs") => {
const newWindow = window.open("", "_blank");
setPdfLoading(true);
try {
const response = await apiFetch(`${API_BASE}/invoices/${id}/file`);
if (!response.ok) {
newWindow?.close();
alert.error("PDF soubor nenalezen — uložte fakturu pro vygenerování");
return;
}
const blob = await response.blob();
const url = URL.createObjectURL(blob);
window.open(url, "_blank");
if (newWindow) newWindow.location.href = url;
setTimeout(() => URL.revokeObjectURL(url), 60000);
} catch {
newWindow?.close();
alert.error("Chyba připojení");
} finally {
setPdfLoading(false);

10
src/admin/pages/OfferDetail.tsx
View File

@@ -768,19 +768,25 @@ export default function OfferDetail() {
const handlePdf = async () => {
if (!isEdit || pdfLoading) return;
const newWindow = window.open("", "_blank");
setPdfLoading(true);
try {
const response = await apiFetch(`${API_BASE}/offers/${id}/file`);
if (response.status === 401) return;
if (response.status === 401) {
newWindow?.close();
return;
}
if (!response.ok) {
newWindow?.close();
alert.error("PDF soubor nenalezen — uložte nabídku pro vygenerování");
return;
}
const blob = await response.blob();
const url = URL.createObjectURL(blob);
window.open(url, "_blank");
if (newWindow) newWindow.location.href = url;
setTimeout(() => URL.revokeObjectURL(url), 60000);
} catch {
newWindow?.close();
alert.error("Chyba při generování PDF");
} finally {
setPdfLoading(false);

10
src/admin/pages/Offers.tsx
View File

@@ -221,21 +221,27 @@ export default function Offers() {
const handlePdf = async (quotation: Quotation) => {
if (pdfLoading) return;
const newWindow = window.open("", "_blank");
setPdfLoading(quotation.id);
try {
const response = await apiFetch(
`${API_BASE}/offers/${quotation.id}/file`,
);
if (response.status === 401) return;
if (response.status === 401) {
newWindow?.close();
return;
}
if (!response.ok) {
newWindow?.close();
alert.error("PDF soubor nenalezen — otevřete nabídku a uložte ji");
return;
}
const blob = await response.blob();
const url = URL.createObjectURL(blob);
window.open(url, "_blank");
if (newWindow) newWindow.location.href = url;
setTimeout(() => URL.revokeObjectURL(url), 60000);
} catch {
newWindow?.close();
alert.error("Chyba připojení");
} finally {
setPdfLoading(null);

5
src/admin/pages/ReceivedInvoices.tsx
View File

@@ -503,19 +503,22 @@ export default function ReceivedInvoices({
};
const openFile = async (inv: ReceivedInvoice) => {
const newWindow = window.open("", "_blank");
try {
const response = await apiFetch(
`${API_BASE}/received-invoices/${inv.id}/file`,
);
if (!response.ok) {
newWindow?.close();
alert.error("Nepodařilo se načíst soubor");
return;
}
const blob = await response.blob();
const url = URL.createObjectURL(blob);
window.open(url, "_blank");
if (newWindow) newWindow.location.href = url;
setTimeout(() => URL.revokeObjectURL(url), 60000);
} catch {
newWindow?.close();
alert.error("Chyba připojení");
}
};