Updated the code to solve the double stats creation

src/components/Solutions/Speaking.tsx

@@ -20,6 +20,9 @@ export default function Speaking({id, type, title, video_url, text, prompts, use
 
 	useEffect(() => {
 		if (userSolutions && userSolutions.length > 0 && userSolutions[0].solution) {
+			const solution = userSolutions[0].solution;
+
+			if (solution.startsWith("https://")) return setSolutionURL(solution);
 			axios.post(`/api/speaking`, {path: userSolutions[0].solution}, {responseType: "arraybuffer"}).then(({data}) => {
 				const blob = new Blob([data], {type: "audio/wav"});
 				const url = URL.createObjectURL(blob);

src/pages/(exam)/ExamPage.tsx

@@ -266,7 +266,7 @@ export default function ExamPage({page}: Props) {
 		return Object.assign(exam, {exercises});
 	};
 
-	const onFinish = (solutions: UserSolution[]) => {
+	const onFinish = async (solutions: UserSolution[]) => {
 		const solutionIds = solutions.map((x) => x.exercise);
 		const solutionExams = solutions.map((x) => x.exam);
 
@@ -276,7 +276,7 @@ export default function ExamPage({page}: Props) {
 			setHasBeenUploaded(true);
 			setIsEvaluationLoading(true);
 
-			Promise.all(
+			await Promise.all(
 				exam.exercises.map(async (exercise) => {
 					const evaluationID = uuidv4();
 					if (exercise.type === "writing")
@@ -288,7 +288,7 @@ export default function ExamPage({page}: Props) {
 			)
 				.then((responses) => {
 					setStatsAwaitingEvaluation((prev) => [...prev, ...responses.filter((x) => !!x).map((r) => (r as any).id)]);
-					setUserSolutions([...userSolutions, ...responses.filter((x) => !!x)] as any);
+					setUserSolutions([...userSolutions.filter((x) => !solutionIds.includes(x.exercise)), ...responses.filter((x) => !!x)] as any);
 				})
 				.finally(() => {
 					setHasBeenUploaded(false);
@@ -297,6 +297,7 @@ export default function ExamPage({page}: Props) {
 
 		axios.get("/api/stats/update");
 
+		if (exam && exam.module !== "writing" && exam.module !== "speaking")
 			setUserSolutions([...userSolutions.filter((x) => !solutionIds.includes(x.exercise)), ...solutions]);
 		setModuleIndex(moduleIndex + 1);
 

src/pages/api/evaluate/speaking.ts

@@ -4,7 +4,7 @@ import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
 import axios, {AxiosResponse} from "axios";
 import formidable from "formidable-serverless";
-import {ref, uploadBytes} from "firebase/storage";
+import {getDownloadURL, ref, uploadBytes} from "firebase/storage";
 import fs from "fs";
 import {app, storage} from "@/firebase";
 import {doc, getDoc, getFirestore, setDoc} from "firebase/firestore";
@@ -25,16 +25,17 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		if (err) console.log(err);
 
 		const audioFile = files.audio;
-		const audioFileRef = ref(storage, `speaking_recordings/${(audioFile as any).path.replace("upload_", "")}`);
+		const audioFileRef = ref(storage, `speaking_recordings/${fields.id}.wav`);
 
 		const binary = fs.readFileSync((audioFile as any).path).buffer;
 		const snapshot = await uploadBytes(audioFileRef, binary);
+		const url = await getDownloadURL(snapshot.ref);
+		const path = snapshot.metadata.fullPath;
 
 		res.status(200).json(null);
 
 		console.log("🌱 - Still processing");
-		const backendRequest = await evaluate({answers: [{question: fields.question, answer: snapshot.metadata.fullPath}]});
+		const backendRequest = await evaluate({answers: [{question: fields.question, answer: path}]});
-		fs.rmSync((audioFile as any).path);
 		console.log("🌱 - Process complete");
 
 		const correspondingStat = (await getDoc(doc(db, "stats", fields.id))).data() as Stat;
@@ -42,7 +43,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		const solutions = correspondingStat.solutions.map((x) => ({
 			...x,
 			evaluation: backendRequest.data,
-			solution: snapshot.metadata.fullPath,
+			solution: url,
 		}));
 
 		await setDoc(