269 lines
8.3 KiB
TypeScript
269 lines
8.3 KiB
TypeScript
import {SpeakingExercise} from "@/interfaces/exam";
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import {CommonProps} from ".";
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import {Fragment, useEffect, useState} from "react";
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import {BsCheckCircleFill, BsMicFill, BsPauseCircle, BsPlayCircle, BsTrashFill} from "react-icons/bs";
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import dynamic from "next/dynamic";
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import Button from "../Low/Button";
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import useExamStore from "@/stores/examStore";
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import {downloadBlob} from "@/utils/evaluation";
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import axios from "axios";
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const Waveform = dynamic(() => import("../Waveform"), {ssr: false});
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const ReactMediaRecorder = dynamic(() => import("react-media-recorder").then((mod) => mod.ReactMediaRecorder), {
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ssr: false,
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});
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export default function Speaking({id, title, text, video_url, type, prompts, userSolutions, onNext, onBack}: SpeakingExercise & CommonProps) {
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const [recordingDuration, setRecordingDuration] = useState(0);
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const [isRecording, setIsRecording] = useState(false);
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const [mediaBlob, setMediaBlob] = useState<string>();
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const [audioURL, setAudioURL] = useState<string>();
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const [isLoading, setIsLoading] = useState(false);
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const hasExamEnded = useExamStore((state) => state.hasExamEnded);
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const saveToStorage = async () => {
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if (mediaBlob && mediaBlob.startsWith("blob")) {
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const blobBuffer = await downloadBlob(mediaBlob);
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const audioFile = new File([blobBuffer], "audio.wav", {type: "audio/wav"});
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const seed = Math.random().toString().replace("0.", "");
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const formData = new FormData();
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formData.append("audio", audioFile, `${seed}.wav`);
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formData.append("root", "speaking_recordings");
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const config = {
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headers: {
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"Content-Type": "audio/wav",
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},
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};
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const response = await axios.post<{path: string}>("/api/storage/insert", formData, config);
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if (audioURL) await axios.post("/api/storage/delete", {path: audioURL});
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return response.data.path;
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}
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return undefined;
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};
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useEffect(() => {
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if (userSolutions.length > 0) {
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const {solution} = userSolutions[0] as {solution?: string};
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if (solution && !mediaBlob) setMediaBlob(solution);
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if (solution && !solution.startsWith("blob")) setAudioURL(solution);
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}
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}, [userSolutions, mediaBlob]);
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useEffect(() => {
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if (hasExamEnded) next();
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [hasExamEnded]);
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useEffect(() => {
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let recordingInterval: NodeJS.Timer | undefined = undefined;
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if (isRecording) {
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recordingInterval = setInterval(() => setRecordingDuration((prev) => prev + 1), 1000);
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} else if (recordingInterval) {
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clearInterval(recordingInterval);
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}
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return () => {
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if (recordingInterval) clearInterval(recordingInterval);
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};
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}, [isRecording]);
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const next = async () => {
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setIsLoading(true);
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const storagePath = await saveToStorage();
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setIsLoading(false);
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onNext({
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exercise: id,
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solutions: storagePath ? [{id, solution: storagePath}] : [],
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score: {correct: 0, total: 100, missing: 0},
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type,
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});
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};
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const back = async () => {
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setIsLoading(true);
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const storagePath = await saveToStorage();
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setIsLoading(false);
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onBack({
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exercise: id,
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solutions: storagePath ? [{id, solution: storagePath}] : [],
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score: {correct: 0, total: 100, missing: 0},
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type,
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});
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};
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return (
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<div className="flex flex-col h-full w-full gap-9">
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<div className="flex flex-col w-full gap-2 bg-mti-gray-smoke rounded-xl py-8 px-16">
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<div className="flex flex-col gap-3">
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<span className="font-semibold">{title}</span>
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{!video_url && (
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<span className="font-regular">
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{text.split("\\n").map((line, index) => (
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<Fragment key={index}>
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<span>{line}</span>
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<br />
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</Fragment>
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))}
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</span>
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)}
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</div>
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<div className="flex gap-6">
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{video_url && (
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<div className="flex flex-col gap-4 w-full items-center">
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<video key={id} autoPlay controls className="max-w-3xl rounded-xl">
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<source src={video_url} />
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</video>
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</div>
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)}
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{prompts && prompts.length > 0 && (
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<div className="flex flex-col gap-4">
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<span className="font-bold">You should talk about the following things:</span>
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<div className="flex flex-col gap-1 ml-4">
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{prompts.map((x, index) => (
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<li className="italic" key={index}>
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{x}
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</li>
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))}
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</div>
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</div>
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)}
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</div>
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</div>
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<ReactMediaRecorder
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audio
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onStop={(blob) => setMediaBlob(blob)}
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render={({status, startRecording, stopRecording, pauseRecording, resumeRecording, clearBlobUrl, mediaBlobUrl}) => (
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<div className="w-full p-4 px-8 bg-transparent border-2 border-mti-gray-platinum rounded-2xl flex-col gap-8 items-center">
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<p className="text-base font-normal">Record your answer:</p>
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<div className="flex gap-8 items-center justify-center py-8">
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{status === "idle" && !mediaBlob && (
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<>
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<div className="w-full h-2 max-w-4xl bg-mti-gray-smoke rounded-full" />
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{status === "idle" && (
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<BsMicFill
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onClick={() => {
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setRecordingDuration(0);
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startRecording();
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setIsRecording(true);
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}}
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className="h-5 w-5 text-mti-gray-cool cursor-pointer"
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/>
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)}
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</>
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)}
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{status === "recording" && (
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<>
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<div className="flex gap-4 items-center">
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<span className="text-xs w-9">
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{Math.floor(recordingDuration / 60)
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.toString(10)
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.padStart(2, "0")}
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:
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{Math.floor(recordingDuration % 60)
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.toString(10)
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.padStart(2, "0")}
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</span>
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</div>
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<div className="w-full h-2 max-w-4xl bg-mti-gray-smoke rounded-full" />
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<div className="flex gap-4 items-center">
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<BsPauseCircle
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onClick={() => {
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setIsRecording(false);
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pauseRecording();
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}}
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className="text-red-500 w-8 h-8 cursor-pointer"
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/>
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<BsCheckCircleFill
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onClick={() => {
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setIsRecording(false);
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stopRecording();
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}}
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className="text-mti-purple-light w-8 h-8 cursor-pointer"
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/>
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</div>
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</>
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)}
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{status === "paused" && (
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<>
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<div className="flex gap-4 items-center">
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<span className="text-xs w-9">
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{Math.floor(recordingDuration / 60)
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.toString(10)
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.padStart(2, "0")}
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:
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{Math.floor(recordingDuration % 60)
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.toString(10)
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.padStart(2, "0")}
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</span>
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</div>
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<div className="w-full h-2 max-w-4xl bg-mti-gray-smoke rounded-full" />
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<div className="flex gap-4 items-center">
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<BsPlayCircle
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onClick={() => {
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setIsRecording(true);
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resumeRecording();
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}}
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className="text-mti-purple-light w-8 h-8 cursor-pointer"
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/>
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<BsCheckCircleFill
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onClick={() => {
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setIsRecording(false);
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stopRecording();
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}}
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className="text-mti-purple-light w-8 h-8 cursor-pointer"
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/>
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</div>
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</>
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)}
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{((status === "stopped" && mediaBlobUrl) || (status === "idle" && mediaBlob)) && (
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<>
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<Waveform audio={mediaBlobUrl ? mediaBlobUrl : mediaBlob!} waveColor="#FCDDEC" progressColor="#EF5DA8" />
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<div className="flex gap-4 items-center">
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<BsTrashFill
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className="text-mti-gray-cool cursor-pointer w-5 h-5"
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onClick={() => {
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setRecordingDuration(0);
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clearBlobUrl();
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setMediaBlob(undefined);
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}}
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/>
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<BsMicFill
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onClick={() => {
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clearBlobUrl();
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setRecordingDuration(0);
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startRecording();
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setIsRecording(true);
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setMediaBlob(undefined);
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}}
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className="h-5 w-5 text-mti-gray-cool cursor-pointer"
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/>
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</div>
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</>
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)}
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</div>
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</div>
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)}
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/>
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<div className="self-end flex justify-between w-full gap-8">
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<Button color="purple" variant="outline" isLoading={isLoading} onClick={back} className="max-w-[200px] self-end w-full">
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Back
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</Button>
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<Button color="purple" isLoading={isLoading} disabled={!mediaBlob} onClick={next} className="max-w-[200px] self-end w-full">
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Next
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</Button>
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</div>
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</div>
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);
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}
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