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fix(chat): allow AI to finish and save responses even if client disconnects

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This commit is contained in:
mstfyldz
2026-08-12 13:02:40 +03:00
parent d10ea1b0fd
commit f1457b02ca
1 changed files with 31 additions and 17 deletions
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src/controllers/chat.controller.ts
+31 -17
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@@ -41,9 +41,15 @@ function startSse(res: Response) {
} }
function sseWrite(res: Response, payload: Record<string, unknown>) { function sseWrite(res: Response, payload: Record<string, unknown>) {
res.write(`data: ${JSON.stringify(payload)}\n\n`); if (res.destroyed || res.writableEnded) return;
if (typeof (res as any).flush === 'function') { try {
(res as any).flush(); res.write(`data: ${JSON.stringify(payload)}\n\n`);
if (typeof (res as any).flush === 'function') {
(res as any).flush();
}
} catch (err) {
// Client disconnect olduysa yazma hatasını yoksay, arka planda AI'ın
// yanıt üretmeyi bitirip veritabanına kaydetmesine izin ver.
} }
} }
@@ -198,15 +204,19 @@ export const chatMessage = async (req: AuthenticatedRequest, res: Response) => {
} }
} }
sseWrite(res, { done: true, newTitle, messageId: aiMessage?.id || null }); if (!res.destroyed && !res.writableEnded) {
res.end(); sseWrite(res, { done: true, newTitle, messageId: aiMessage?.id || null });
res.end();
}
} catch (error: any) { } catch (error: any) {
console.error('Chat Error:', error); console.error('Chat Error:', error);
if (!res.headersSent) { if (!res.destroyed && !res.writableEnded) {
res.status(500).json({ error: error.message || 'Internal Server Error' }); if (!res.headersSent) {
} else { res.status(500).json({ error: error.message || 'Internal Server Error' });
sseWrite(res, { error: error.message || 'Internal Server Error' }); } else {
res.end(); sseWrite(res, { error: error.message || 'Internal Server Error' });
res.end();
}
} }
} }
}; };
@@ -281,15 +291,19 @@ export const sendThreadMessage = async (req: AuthenticatedRequest, res: Response
} }
} }
sseWrite(res, { done: true, newTitle, messageId: aiMessage?.id || null }); if (!res.destroyed && !res.writableEnded) {
res.end(); sseWrite(res, { done: true, newTitle, messageId: aiMessage?.id || null });
res.end();
}
} catch (error: any) { } catch (error: any) {
console.error('Send Thread Message Error:', error); console.error('Send Thread Message Error:', error);
if (!res.headersSent) { if (!res.destroyed && !res.writableEnded) {
res.status(500).json({ error: error.message || 'Internal Server Error' }); if (!res.headersSent) {
} else { res.status(500).json({ error: error.message || 'Internal Server Error' });
sseWrite(res, { error: error.message || 'Internal Server Error' }); } else {
res.end(); sseWrite(res, { error: error.message || 'Internal Server Error' });
res.end();
}
} }
} }
}; };