feat(web): WebRTC을 사용한 라이브 페이지 초기 구현

apps/web/next.config.js

@@ -9,7 +9,7 @@ const withPWA = require('next-pwa')({
 /** @type {import('next').NextConfig} */
 
 const nextConfig = {
-  reactStrictMode: true,
+  reactStrictMode: false,
   swcMinify: true,
   compiler: {
     styledComponents: {

apps/web/package.json

@@ -61,6 +61,9 @@
     "node-fetch-commonjs": "^3.2.4",
     "prettier": "^2.8.4",
     "typescript": "^4.9.5",
-    "webpack": "^5.75.0"
+    "webpack": "^5.75.0",
+    "openvidu-browser": "^2.26.0",
+    "axios": "^1.3.4",
+    "@stomp/stompjs": "^7.0.0"
   }
 }

apps/web/public/css/live.module.css

@@ -0,0 +1,18 @@
+.chatTextarea:focus {
+  outline: none;
+}
+
+.chatTextarea::placeholder {
+  color: #8E8E95;
+  font-weight: 500;
+  font-family: 'Pretendard';
+}
+
+.chatTextarea {
+  resize: none;
+  border: none;
+  height: 100%;
+  font-weight: 500;
+  font-family: 'Pretendard';
+  width: 100%;
+}

apps/web/src/components/live/ChatInfo.tsx

@@ -0,0 +1,265 @@
+import * as React from 'react';
+import liveCss from 'public/css/live.module.css';
+import { Client, StompSubscription } from '@stomp/stompjs';
+import { Button, Wrapper } from '@supercarmarket/ui';
+import { getSession, useSession } from 'next-auth/react';
+import { css } from 'styled-components';
+
+interface Props {
+  data: Live.LiveRoomDto | null | undefined;
+  isBroad: boolean;
+  setLiveViewCount: (broad: number) => void;
+}
+
+interface messageType {
+  type: string;
+  sender: string;
+  channelId: string;
+  data: string;
+}
+
+function ChatInfo(props: Props) {
+  const [chats, setChats] = React.useState<messageType[]>([]);
+  const [stomp, setStomp] = React.useState<Client>();
+  const [subscribes, setSubscribes] = React.useState<StompSubscription>();
+  const [userName, setUserName] = React.useState('');
+
+  const textAreaRef = React.useRef<HTMLTextAreaElement>(null);
+  const chatWrapRef = React.useRef<HTMLDivElement>(null);
+
+  const joinChat = async () => {
+    const session = await getSession();
+
+    if (!session?.accessToken) throw 'require logged in';
+    setUserName(session.nickname);
+
+    const client = new Client({
+      brokerURL: `wss://back.doyup.shop/ws`,
+      connectHeaders: {
+        ACCESS_TOKEN: `${session.accessToken}`,
+      },
+      reconnectDelay: 5000,
+      heartbeatIncoming: 4000,
+      heartbeatOutgoing: 4000,
+    });
+
+    setStomp(client);
+
+    client.onConnect = function (frame) {
+      const subscribe = client.subscribe(
+        `/sub/${props.data?.sessionId}`,
+        (frame) => {
+          const getMessage = JSON.parse(frame.body);
+          if (getMessage.participantNumber) {
+            props.setLiveViewCount(parseInt(getMessage.participantNumber));
+          }
+          if (getMessage.sender !== 'server') {
+            setChats((prevState: messageType[]) => {
+              return prevState.concat([getMessage]);
+            });
+            setTimeout(() => {
+              if (chatWrapRef.current) {
+                chatWrapRef.current.scrollTop =
+                  chatWrapRef.current.scrollHeight;
+              }
+            }, 100);
+          }
+        }
+      );
+
+      setSubscribes(subscribe);
+
+      client.publish({
+        destination: `/pub/chat/${props.data?.sessionId}`,
+        body: `{
+          "type": "ENTER",
+          "sender": "${session.nickname}",
+          "channelId": "${props.data?.sessionId}",
+          "data": "'${session.nickname}' 님이 접속하셨습니다."
+        }`,
+      });
+    };
+
+    client.onStompError = function (frame) {
+      console.log('Broker reported error: ' + frame.headers['message']);
+      console.log('Additional details: ' + frame.body);
+    };
+
+    client.activate();
+  };
+
+  const sendChat = () => {
+    if (stomp && textAreaRef.current && textAreaRef.current.value.length > 0) {
+      stomp.publish({
+        destination: `/pub/chat/${props.data?.sessionId}`,
+        body: `{
+        "type": "TALK",
+        "sender": "${userName}",
+        "channelId": "${props.data?.sessionId}",
+        "data": "${
+          textAreaRef.current?.value.replaceAll(/(\n|\r\n)/g, '<br>') ?? ''
+        }"
+      }`,
+        headers: {
+          'content-type': 'application/json',
+        },
+      });
+    }
+    if (textAreaRef.current) textAreaRef.current.value = '';
+  };
+
+  const exitChat = () => {
+    if (stomp) {
+      stomp.publish({
+        destination: `/pub/chat/${props.data?.sessionId}`,
+        body: `{
+            "type": "EXIT",
+            "sender": "${userName}",
+            "channelId": "${props.data?.sessionId}",
+            "data": "'${userName}' 님이 종료하셨습니다."
+          }`,
+      });
+    }
+    setTimeout(() => {
+      if (chatWrapRef.current) {
+        chatWrapRef.current.scrollTop = chatWrapRef.current.scrollHeight;
+      }
+      stomp?.deactivate();
+    }, 100);
+  };
+
+  React.useEffect(() => {
+    joinChat();
+  }, []);
+
+  React.useEffect(() => {
+    if (stomp) {
+      textAreaRef.current?.addEventListener('keypress', (event) => {
+        if (event.key === 'Enter' && !event.shiftKey) {
+          event.preventDefault();
+          sendChat();
+        }
+      });
+    }
+    return () => {
+      exitChat();
+    };
+  }, [stomp]);
+
+  return (
+    <Wrapper.Item
+      css={css`
+        margin-left: 16px;
+        width: 304px;
+      `}
+    >
+      <div
+        style={{
+          height: '500px',
+          overflowY: 'auto',
+        }}
+        ref={chatWrapRef}
+      >
+        {chats.map((data, idx) => {
+          if (data.type === 'ENTER' || data.type === 'EXIT') {
+            return (
+              <InitUserChat chat={data.data} key={`InitUserChat_${idx}`} />
+            );
+          }
+          if (data.sender === userName) {
+            return <MyChat chat={data.data} key={`MyChat_${idx}`} />;
+          }
+          return (
+            <UserChat
+              nickname={data.sender}
+              chat={data.data}
+              key={`UserChat_${idx}`}
+            />
+          );
+        })}
+      </div>
+      <Wrapper.Item
+        css={css`
+           {
+            padding: 12px 16px;
+            border: 1px solid #c3c3c7;
+            display: flex;
+            border-radius: 4px;
+            height: 97px;
+            align-items: flex-end;
+          }
+        `}
+      >
+        <textarea
+          placeholder="채팅을 남겨보세요"
+          className={liveCss.chatTextarea}
+          maxLength={100}
+          ref={textAreaRef}
+        />
+        <Button
+          style={{
+            width: '72px',
+            height: '38px',
+          }}
+          onClick={sendChat}
+        >
+          등록
+        </Button>
+      </Wrapper.Item>
+    </Wrapper.Item>
+  );
+}
+
+const UserChat = ({ nickname, chat }: { nickname: string; chat: string }) => {
+  return (
+    <div
+      style={{
+        backgroundColor: '#F7F7F8',
+        borderRadius: '4px 16px 16px 16px',
+        padding: '12px 16px',
+        gap: '8px',
+        marginBottom: '10px',
+        width: 'fit-content',
+      }}
+    >
+      <span style={{ fontSize: '14px', lineHeight: '150%' }}>{nickname}</span>{' '}
+      <span dangerouslySetInnerHTML={{ __html: chat }} />
+    </div>
+  );
+};
+
+const MyChat = ({ chat }: { chat: string }) => {
+  return (
+    <div
+      style={{
+        backgroundColor: '#EBE6DE',
+        borderRadius: '16px 4px 16px 16px',
+        padding: '12px 16px',
+        gap: '8px',
+        marginBottom: '10px',
+        marginLeft: 'auto',
+        width: 'fit-content',
+      }}
+    >
+      <span dangerouslySetInnerHTML={{ __html: chat }} />
+    </div>
+  );
+};
+
+const InitUserChat = ({ chat }: { chat: string }) => {
+  return (
+    <div
+      style={{
+        borderRadius: '16px 4px 16px 16px',
+        padding: '12px 16px',
+        gap: '8px',
+        marginBottom: '10px',
+        fontSize: '14px',
+      }}
+    >
+      {chat}
+    </div>
+  );
+};
+
+export default ChatInfo;