KI-AGENT: Interne MinIO-Links durch Backend-Downloads ersetzen

backend/src/routes/exports.ts

@@ -177,11 +177,49 @@ export default async function exportRoutes(server: FastifyInstance) {
             .from(generatedexports)
             .where(eq(generatedexports.tenantId, req.user.tenant_id))
 
-        console.log(data)
-        reply.send(data)
+        reply.send(data.map(item => ({
+            ...item,
+            url: `/api/exports/${item.id}/download`,
+        })))
 
     })
 
+    server.get("/exports/:id/download", async (req, reply) => {
+        const { id } = req.params as { id: string }
+        const exportId = Number(id)
+        if (!Number.isSafeInteger(exportId)) {
+            return reply.code(404).send({ error: "Export not found" })
+        }
+
+        const [item] = await server.db
+            .select()
+            .from(generatedexports)
+            .where(eq(generatedexports.id, exportId))
+
+        if (
+            !item ||
+            item.tenantId !== req.user.tenant_id ||
+            item.validUntil.getTime() <= Date.now()
+        ) {
+            return reply.code(404).send({ error: "Export not found" })
+        }
+
+        try {
+            const { Body, ContentType } = await s3.send(new GetObjectCommand({
+                Bucket: secrets.S3_BUCKET,
+                Key: item.filePath,
+            }))
+            const filename = item.filePath.split("/").pop() || `export-${item.id}`
+
+            reply.header("Content-Type", ContentType || "application/octet-stream")
+            reply.header("Content-Disposition", `attachment; filename="${filename}"`)
+            return reply.send(Body as any)
+        } catch (error) {
+            console.error(error)
+            return reply.code(500).send({ error: "Could not download export" })
+        }
+    })
+