137 lines
3.7 KiB
TypeScript
137 lines
3.7 KiB
TypeScript
// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
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import type { NextApiRequest, NextApiResponse } from "next";
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import { withIronSessionApiRoute } from "iron-session/next";
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import { sessionOptions } from "@/lib/session";
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import axios from "axios";
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import formidable from "formidable-serverless";
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import fs from "fs";
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import FormData from 'form-data';
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import client from "@/lib/mongodb";
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const db = client.db(process.env.MONGODB_DB);
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export default withIronSessionApiRoute(handler, sessionOptions);
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async function handler(req: NextApiRequest, res: NextApiResponse) {
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if (!req.session.user) {
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res.status(401).json({ ok: false });
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return;
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}
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const form = formidable({ keepExtensions: true });
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await form.parse(req, async (err: any, fields: any, files: any) => {
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if (err) {
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console.error('Error parsing form:', err);
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res.status(500).json({ ok: false, error: 'Failed to parse form data' });
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return;
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}
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try {
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const formData = new FormData();
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if (!fields.userId || !fields.sessionId || !fields.exerciseId || !fields.task) {
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throw new Error('Missing required fields');
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}
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formData.append('userId', fields.userId);
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formData.append('sessionId', fields.sessionId);
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formData.append('exerciseId', fields.exerciseId);
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for (const fileKey of Object.keys(files)) {
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const indexMatch = fileKey.match(/^audio_(\d+)$/);
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if (!indexMatch) {
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console.warn(`Skipping invalid file key: ${fileKey}`);
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continue;
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}
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const index = indexMatch[1];
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const questionKey = `question_${index}`;
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const audioFile = files[fileKey];
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if (!audioFile || !audioFile.path) {
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throw new Error(`Invalid audio file for ${fileKey}`);
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}
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if (!fields[questionKey]) {
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throw new Error(`Missing question for audio ${index}`);
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}
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try {
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const buffer = fs.readFileSync(audioFile.path);
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formData.append(`audio_${index}`, buffer, `audio_${index}.wav`);
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formData.append(questionKey, fields[questionKey]);
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fs.rmSync(audioFile.path);
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} catch (fileError) {
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console.error(`Error processing file ${fileKey}:`, fileError);
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throw new Error(`Failed to process audio file ${index}`);
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}
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}
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// Check if there is one eval for the current exercise
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const previousEval = await db.collection("evaluation").findOne({
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user: fields.userId,
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session_id: fields.sessionId,
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exercise_id: fields.exerciseId,
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})
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// If there is delete it
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if (previousEval) {
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await db.collection("evaluation").deleteOne({
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user: fields.userId,
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session_id: fields.sessionId,
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exercise_id: fields.exerciseId,
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})
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}
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// Insert the new eval for the backend to place it's result
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await db.collection("evaluation").insertOne(
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{
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user: fields.userId,
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session_id: fields.sessionId,
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exercise_id: fields.exerciseId,
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type: "speaking_interactive",
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task: fields.task,
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status: "pending"
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}
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);
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await axios.post(
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`${process.env.BACKEND_URL}/grade/speaking/${fields.task}`,
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formData,
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{
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headers: {
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...formData.getHeaders(),
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Authorization: `Bearer ${process.env.BACKEND_JWT}`,
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},
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}
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);
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res.status(200).json({ ok: true });
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} catch (error) {
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console.error('Error processing request:', error);
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res.status(500).json({
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ok: false,
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error: 'Internal server error'
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});
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Object.keys(files).forEach(fileKey => {
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const audioFile = files[fileKey];
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if (audioFile && audioFile.path && fs.existsSync(audioFile.path)) {
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try {
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fs.rmSync(audioFile.path);
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} catch (cleanupError) {
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console.error(`Failed to clean up temp file ${audioFile.path}:`, cleanupError);
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}
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}
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});
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}
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});
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}
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export const config = {
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api: {
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bodyParser: false,
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},
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};
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