Unfinished grading attempt at solving it

src/pages/api/evaluate/speaking.ts

@@ -6,6 +6,9 @@ import axios from "axios";
 import formidable from "formidable-serverless";
 import fs from "fs";
 import FormData from 'form-data';
+import client from "@/lib/mongodb";
+
+const db = client.db(process.env.MONGODB_DB);
 
 
 export default withIronSessionApiRoute(handler, sessionOptions);
@@ -41,6 +44,34 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 			formData.append('audio_1', buffer, 'audio_1.wav');
 			fs.rmSync(audioFile.path);
 
+			// Check if there is one eval for the current exercise
+			const previousEval = await db.collection("evaluation").findOne({
+				user: fields.userId,
+				session_id: fields.sessionId,
+				exercise_id: fields.exerciseId,
+			})
+
+			// If there is delete it
+			if (previousEval) {
+				await db.collection("evaluation").deleteOne({
+					user: fields.userId,
+					session_id: fields.sessionId,
+					exercise_id: fields.exerciseId,
+				})
+			}
+
+			// Insert the new eval for the backend to place it's result
+			await db.collection("evaluation").insertOne(
+				{
+					user: fields.userId,
+					session_id: fields.sessionId,
+					exercise_id: fields.exerciseId,
+					type: "speaking",
+					task: 2,
+					status: "pending"
+				}
+			);		
+
 			await axios.post(
 				`${process.env.BACKEND_URL}/grade/speaking/2`,
 				formData,