# Review package: ae5ec76..3666b9d

## Commits
3666b9d PDF: endpoint stato/download/trigger

## Files changed
 app/src/routes/api/dvr/[id]/pdf/+server.ts | 66 ++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

## Diff
diff --git a/app/src/routes/api/dvr/[id]/pdf/+server.ts b/app/src/routes/api/dvr/[id]/pdf/+server.ts
new file mode 100644
index 0000000..7aadbac
--- /dev/null
+++ b/app/src/routes/api/dvr/[id]/pdf/+server.ts
@@ -0,0 +1,66 @@
+/**
+ * Endpoint stato / download / trigger per la generazione del PDF di un DVR.
+ *
+ * GET ?mode=status  → 200 { state, generatoIl }
+ * GET               → stream del PDF da R2 se ready (o stale con ?allowStale=1), altrimenti 409 { state }
+ * POST              → innesca la generazione (se non già in corso); 202 { state: 'generating' }
+ */
+import { error, json } from '@sveltejs/kit';
+import { db } from '$lib/server/db';
+import { agenzie } from '$lib/server/db/schema';
+import { eq } from 'drizzle-orm';
+import { getPdfStatus, markGenerating } from '$lib/server/pdf/state';
+import { triggerPdfGeneration } from '$lib/server/pdf/dispatch';
+import { getObject } from '$lib/server/r2';
+
+export const GET = async ({ params, url }) => {
+	const id = parseInt(params.id, 10);
+	if (Number.isNaN(id)) throw error(400, 'ID non valido');
+
+	const status = await getPdfStatus(id);
+
+	if (url.searchParams.get('mode') === 'status') {
+		return json({ state: status.state, generatoIl: status.generatoIl });
+	}
+
+	// Download: ready sempre ok; stale ok solo con ?allowStale=1 e se esiste un r2Key
+	const allowStale = url.searchParams.get('allowStale') === '1';
+	const canServe =
+		status.state === 'ready' || (allowStale && status.state === 'stale' && status.r2Key !== null);
+
+	if (!canServe || !status.r2Key) {
+		return json({ state: status.state }, { status: 409 });
+	}
+
+	const [agenzia] = await db
+		.select({ codiceFisico: agenzie.codiceFisico })
+		.from(agenzie)
+		.where(eq(agenzie.id, id));
+
+	const obj = await getObject(status.r2Key);
+	if (!obj) return json({ state: 'missing' }, { status: 409 });
+
+	const filename = `${agenzia?.codiceFisico ?? 'dvr'}_DVR.pdf`;
+	return new Response(obj.body, {
+		headers: {
+			'Content-Type': 'application/pdf',
+			'Content-Disposition': `attachment; filename="${filename}"`
+		}
+	});
+};
+
+export const POST = async ({ params }) => {
+	const id = parseInt(params.id, 10);
+	if (Number.isNaN(id)) throw error(400, 'ID non valido');
+
+	const status = await getPdfStatus(id);
+
+	// Niente doppio trigger: se già in corso restituisce 202 senza ri-schedulare
+	if (status.state === 'generating') {
+		return json({ state: 'generating' }, { status: 202 });
+	}
+
+	await markGenerating(id, status.currentHash);
+	await triggerPdfGeneration(id);
+	return json({ state: 'generating' }, { status: 202 });
+};