Feat(#209, #240) 다시보기 페이지 프로그래스바 및 프롬프트 기능 구현

frontend/public/reviewLecture.json

@@ -24,7 +24,7 @@
     "text": "타자석에 위치해 있습니다."
   },
   {
-    "start": 57840,
+    "start": 157840,
     "text": "가 제기되고 있습니다. 기존 15m의 안전벨트를 20m까지 높이는 공사를 진행하고 있지만 근본적인 해결책이 되기 어렵습니다."
   }
 ]

frontend/src/components/LogContainer/LogContainer.tsx

@@ -1,26 +1,35 @@
 import SendMessage from "@/assets/svgs/sendMessage.svg?react";
 import participantSocketRefState from "@/stores/stateParticipantSocketRef";
 
-import { useEffect, useRef, useState } from "react";
-import { useRecoilValue } from "recoil";
+import { CSSProperties, useEffect, useLayoutEffect, useRef, useState } from "react";
+import { useRecoilState, useRecoilValue } from "recoil";
 import { useLocation } from "react-router-dom";
 import { convertMsToTimeString } from "@/utils/convertMsToTimeString";
 import axios from "axios";
+import progressMsTimeState from "@/stores/stateProgressMsTime";
+import convertTimeStringToMS from "@/utils/converTimeStringToMS";
 
 interface LogItemInterface {
   key?: string;
   title: string;
   contents: string;
+  className?: string;
+  onClick?: any;
+  style?: CSSProperties;
 }
 
 interface LogContainerInterface {
   type: "question" | "prompt";
   className: string;
 }
 
-const LogItem = ({ title, contents }: LogItemInterface) => {
+const LogItem = ({ title, contents, className, onClick, style }: LogItemInterface) => {
   return (
-    <li className="h-21 p-4 border mt-4 mb-2 first-of-type:mt-0 bg-grayscale-white border-grayscale-lightgray rounded-lg">
+    <li
+      className={`${className} h-21 p-4 border mt-4 mb-2 first-of-type:mt-0 bg-grayscale-white border-grayscale-lightgray rounded-lg`}
+      style={style}
+      onClick={onClick}
+    >
       <p className="semibold-16">{title}</p>
       <p className="mt-2 medium-12 text-grayscale-darkgray">{contents}</p>
     </li>
@@ -33,7 +42,10 @@ const LogContainer = ({ type, className }: LogContainerInterface) => {
   const [scriptList, setScriptList] = useState<Array<{ start: string; text: string }>>([]);
   const messageInputRef = useRef<HTMLInputElement | null>(null);
   const logContainerRef = useRef<HTMLUListElement | null>(null);
+  const [progressMsTime, setProgressMsTime] = useRecoilState(progressMsTimeState);
   const socket = useRecoilValue(participantSocketRefState);
+  const [hilightedItemIndex, setHilightedItemIndex] = useState(0);
+
   const roomid = new URLSearchParams(useLocation().search).get("roomid") || "999999";
 
   if (type === "prompt") {
@@ -46,6 +58,20 @@ const LogContainer = ({ type, className }: LogContainerInterface) => {
           console.log("프롬프트에 표시할 스크립트 로딩 실패", error);
         });
     }, []);
+
+    useLayoutEffect(() => {
+      let currentIndexOfPrompt =
+        scriptList.findIndex((value) => {
+          const startTime = Math.floor(+value.start / 1000) * 1000;
+
+          return startTime > progressMsTime;
+        }) - 1;
+      const lastStartTime = +scriptList[scriptList.length - 1]?.start;
+      if (Math.floor(lastStartTime / 1000) * 1000 <= progressMsTime) {
+        currentIndexOfPrompt = scriptList.length - 1;
+      } else if (currentIndexOfPrompt < 0) setHilightedItemIndex(0);
+      setHilightedItemIndex(currentIndexOfPrompt);
+    }, [progressMsTime]);
   } else {
     useEffect(() => {
       if (!logContainerRef.current) return;
@@ -75,7 +101,7 @@ const LogContainer = ({ type, className }: LogContainerInterface) => {
     // 추후 사용자의 닉네임을 가져와야한다.
     setQuestionList([...questionList, { title: "닉네임", contents: messageContents }]);
 
-    socket.emit("ask", {
+    socket?.emit("ask", {
       type: "question",
       roomId: roomid,
       content: messageContents
@@ -104,9 +130,23 @@ const LogContainer = ({ type, className }: LogContainerInterface) => {
         </ul>
       )}
       {type === "prompt" && (
-        <ul className="px-4 flex-grow overflow-y-auto	">
+        <ul className="px-4 flex-grow overflow-y-auto	" ref={logContainerRef}>
           {scriptList.map(({ start, text }, index) => {
-            return <LogItem key={`k-${index}`} title={convertMsToTimeString(start)} contents={text} />;
+            return (
+              <LogItem
+                key={`k-${index}`}
+                title={convertMsToTimeString(start)}
+                contents={text}
+                className={`cursor-point`}
+                style={{ borderColor: hilightedItemIndex === index ? "#4f4ffb" : "#e6e6e6" }}
+                onClick={(event: MouseEvent) => {
+                  const currentTarget = event.currentTarget as HTMLLIElement;
+                  if (!currentTarget.children[0].textContent) return;
+                  convertTimeStringToMS(currentTarget.children[0].textContent);
+                  setProgressMsTime(convertTimeStringToMS(currentTarget.children[0].textContent));
+                }}
+              />
+            );
           })}
         </ul>
       )}

frontend/src/pages/Review/Review.tsx

@@ -1,39 +1,68 @@
-import { useSetRecoilState, useRecoilValue } from "recoil";
+import { useRecoilValue } from "recoil";
 import { useEffect, useRef } from "react";
+import { fabric } from "fabric";
 
 import CloseIcon from "@/assets/svgs/close.svg?react";
 import ScriptIcon from "@/assets/svgs/whiteboard/script.svg?react";
 
 import isQuestionLogOpenState from "@/stores/stateIsQuestionLogOpen";
-import videoRefState from "../Test/components/stateVideoRef";
 
 import LogToggleButton from "@/components/Button/LogToggleButton";
 import LogContainer from "@/components/LogContainer/LogContainer";
 import Header from "@/components/Header/Header";
 import ProgressBar from "./components/ProgressBar";
 
+// 추후 해당 다시보기의 전체 플레이 타임을 받아올 수 있어야 할 것 같습니다.
+const TOTAL_MS_TIME_OF_REVIEW = 200000;
+
 const Review = () => {
-  const setVideoRef = useSetRecoilState(videoRefState);
-  const videoRef = useRef<HTMLVideoElement>(null);
+  const canvasRef = useRef<HTMLCanvasElement>(null);
+  const canvasContainerRef = useRef<HTMLDivElement>(null);
   const isQuestionLogOpen = useRecoilValue(isQuestionLogOpenState);
 
   useEffect(() => {
-    setVideoRef(videoRef);
+    if (!canvasContainerRef.current || !canvasRef.current) return;
+
+    const canvasContainer = canvasContainerRef.current;
+    // 캔버스 생성
+    const newCanvas = new fabric.Canvas(canvasRef.current, {
+      width: canvasContainer.offsetWidth,
+      height: canvasContainer.offsetHeight,
+      selection: false
+    });
+    newCanvas.backgroundColor = "lightgray";
+    newCanvas.defaultCursor = "default";
+
+    var text = new fabric.Text("화이트보드를 불러오고 있습니다", {
+      fontSize: 18,
+      textAlign: "center",
+      originX: "center",
+      originY: "center",
+      left: canvasContainer.offsetWidth / 2,
+      top: canvasContainer.offsetHeight / 2,
+      selectable: false
+    });
+    newCanvas.add(text);
+
+    // 언마운트 시 캔버스 정리
+    return () => {
+      newCanvas.dispose();
+    };
   }, []);
 
   return (
     <>
       <Header type="review" />
-      <section className="relative">
-        <video className="w-[100vw] h-[calc(100vh-5rem)]" autoPlay muted ref={videoRef}></video>
+      <section className="relative w-screen h-[calc(100vh-5rem)]" ref={canvasContainerRef}>
+        <canvas className="-z-10" ref={canvasRef} />
         <LogContainer
           type="prompt"
           className={`absolute top-2.5 right-2.5 ${isQuestionLogOpen ? "block" : "hidden"}`}
         />
         <LogToggleButton className="absolute top-2.5 right-2.5">
           {isQuestionLogOpen ? <CloseIcon /> : <ScriptIcon fill="black" />}
         </LogToggleButton>
-        <ProgressBar className="absolute bottom-2.5 left-1/2 -translate-x-1/2" />
+        <ProgressBar className="absolute bottom-2.5 left-1/2 -translate-x-1/2" totalTime={TOTAL_MS_TIME_OF_REVIEW} />
       </section>
     </>
   );

frontend/src/pages/Review/components/ProgressBar.tsx

@@ -1,26 +1,93 @@
 import PlayIcon from "@/assets/svgs/progressPlay.svg?react";
 import PauseIcon from "@/assets/svgs/progressPause.svg?react";
-import { useState } from "react";
 
-const ProgressBar = ({ className }: { className: string }) => {
+import { useRecoilState } from "recoil";
+import { useEffect, useRef, useState } from "react";
+import { convertMsToTimeString } from "@/utils/convertMsToTimeString";
+
+import progressMsTimeState from "@/stores/stateProgressMsTime";
+
+const getPercentOfProgress = (progressTime: number, totalTime: number) => {
+  const percent = (progressTime / totalTime) * 100;
+  let result;
+
+  if (percent < 0) {
+    result = 0;
+  } else if (percent > 100) {
+    result = 100;
+  } else {
+    result = percent;
+  }
+
+  return result.toFixed(1) + "%";
+};
+
+const ProgressBar = ({ className, totalTime }: { className: string; totalTime: number }) => {
   const [isPlaying, setIsPlaying] = useState(false);
+  const [progressMsTime, setProgressMsTime] = useRecoilState(progressMsTimeState);
+  const timerRef = useRef<any>();
+  const lastUpdatedTime = useRef<any>();
+  const UPDATE_INTERVAL_MS = 150;
+
+  const handleProgressBarMouseDown = (event: React.MouseEvent) => {
+    const { left, width } = event.currentTarget.getBoundingClientRect();
+    const mouseClickedX = event.clientX;
+    const percent = (mouseClickedX - left) / width;
+    setProgressMsTime(Math.round(totalTime * percent));
+  };
+
+  useEffect(() => {
+    if (isPlaying) {
+      lastUpdatedTime.current = new Date().getTime();
+
+      timerRef.current = setInterval(() => {
+        const dateNow = new Date().getTime();
+        const diffTime = dateNow - lastUpdatedTime.current;
+        setProgressMsTime((progressMsTime) => progressMsTime + diffTime);
+
+        lastUpdatedTime.current = dateNow;
+      }, UPDATE_INTERVAL_MS);
+    } else {
+      clearInterval(timerRef.current);
+    }
+  }, [isPlaying]);
+
+  useEffect(() => {
+    if (progressMsTime >= totalTime) {
+      setProgressMsTime(totalTime);
+      setIsPlaying(false);
+      clearInterval(timerRef.current);
+    }
+  }, [progressMsTime]);
+
   return (
     <div
-      className={`${className} flex gap-4 justify-between items-center w-[70vw] h-12 min-w-[400px] rounded-lg border border-grayscale-lightgray shadow-md p-4`}
+      className={`${className} flex gap-4 justify-between items-center w-[70vw] h-12 min-w-[400px] bg-grayscale-white rounded-lg border border-grayscale-lightgray shadow-md p-4`}
     >
       <button
         type="button"
         className="medium-12 w-8 p-2"
         onClick={() => {
           setIsPlaying(!isPlaying);
         }}
+        disabled={progressMsTime >= totalTime ? true : false}
       >
-        {isPlaying ? <PlayIcon /> : <PauseIcon />}
+        {isPlaying ? <PauseIcon /> : <PlayIcon fill={`${progressMsTime >= totalTime && "gray"}`} />}
       </button>
-      <div className="relative grow h-1  bg-grayscale-lightgray">
-        <div className="absolute top-0 left-0 h-1 w-1/2 bg-boarlog-100"></div>
+      <div
+        className="flex h-4 grow items-center"
+        onMouseDown={(event) => {
+          handleProgressBarMouseDown(event);
+        }}
+      >
+        <div className="relative grow h-[6px]   bg-grayscale-lightgray">
+          <div
+            className={`absolute top-0 left-0 h-[6px] w-[0%] bg-boarlog-100`}
+            style={{ width: `${getPercentOfProgress(progressMsTime, totalTime)}` }}
+          ></div>
+        </div>
       </div>
-      <span className="medium-12">00:00:00</span>
+      <span className="medium-12">{convertMsToTimeString(progressMsTime)}</span>
     </div>
   );
 };

frontend/src/stores/stateProgressMsTime.ts

@@ -0,0 +1,8 @@
+import { atom } from "recoil";
+
+const progressMsTimeState = atom<number>({
+  key: "progressMsTimeState",
+  default: 0
+});
+
+export default progressMsTimeState;

frontend/src/utils/converTimeStringToMS.ts

@@ -0,0 +1,12 @@
+const MS_OF_SECOND = 1000;
+const MS_OF_MINUTE = 60 * MS_OF_SECOND;
+const MS_OF_HOUR = 60 * MS_OF_MINUTE;
+
+const convertTimeStringToMS = (timeString: string) => {
+  const [hour, minute, second] = timeString.split(":");
+  const result = parseInt(hour) * MS_OF_HOUR + parseInt(minute) * MS_OF_MINUTE + parseInt(second) * MS_OF_SECOND;
+
+  return result;
+};
+
+export default convertTimeStringToMS;

frontend/src/utils/convertMsToTimeString.ts

@@ -2,8 +2,8 @@ const MS_OF_SECOND = 1000;
 const SECOND_OF_HOUR = 3600;
 const MINUTE_OF_HOUR = 60;
 
-export const convertMsToTimeString = (ms: string) => {
-  let msNumber = parseInt(ms);
+export const convertMsToTimeString = (ms: string | number) => {
+  let msNumber = typeof ms === "string" ? parseInt(ms) : ms;
   let seconds = Math.floor(msNumber / MS_OF_SECOND);
   let hours = Math.floor(seconds / SECOND_OF_HOUR);
   seconds = seconds % 3600;