Function POST

app/api/upload/route.ts:23–60

(request: NextRequest)

});

export async function POST(request: NextRequest) {
  // Logging the start of the upload process
  console.log(`Upload API call started`);

  // Retrieving the file from the form data
  const data = await request.formData();
  const file: File | null = data.get('file') as unknown as File;

  // Check if a file was provided in the request
  if (!file) {
    console.log('No file found in the request');
    return NextResponse.json({ success: false });
  }

  // Convert file to buffer and write to a temporary location
  const bytes = await file.arrayBuffer();
  const buffer = Buffer.from(bytes);
  const path = `/tmp/${file.name}`;
  await writeFile(path, buffer);
  console.log(`File written to ${path}`);

  try {
    // Uploading the file to OpenAI
    console.log('Starting file upload to OpenAI');
    const fileForRetrieval = await openai.files.create({
      file: createReadStream(path),
      purpose: "assistants",
    });
    console.log(`File uploaded, ID: ${fileForRetrieval.id}`);

    // Respond with the file ID
    return NextResponse.json({ success: true, fileId: fileForRetrieval.id });
  } catch (error) {
    // Log and respond to any errors during the upload process
    console.error('Error uploading file:', error);
    return NextResponse.json({ success: false, message: 'Error uploading file' });
  }
}