From 5262de427428785ae13db71078577fad31bf2f75 Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Tue, 12 Nov 2024 22:27:22 +0900
Subject: [PATCH 01/11] =?UTF-8?q?=E2=9C=A8=20feat:=20chat=20=EC=97=94?=
 =?UTF-8?q?=ED=8B=B0=ED=8B=B0=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../backend/src/chat/domain/chat.entity.ts    | 29 +++++++++++++++++++
 .../backend/src/chat/domain/chatType.enum.ts  |  6 ++++
 2 files changed, 35 insertions(+)
 create mode 100644 packages/backend/src/chat/domain/chat.entity.ts
 create mode 100644 packages/backend/src/chat/domain/chatType.enum.ts

diff --git a/packages/backend/src/chat/domain/chat.entity.ts b/packages/backend/src/chat/domain/chat.entity.ts
new file mode 100644
index 00000000..e855f196
--- /dev/null
+++ b/packages/backend/src/chat/domain/chat.entity.ts
@@ -0,0 +1,29 @@
+import { Column, Entity, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
+import { ChatType } from '@/chat/domain/chatType.enum';
+import { DateEmbedded } from '@/common/dateEmbedded.entity';
+import { Stock } from '@/stock/domain/stock.entity';
+import { User } from '@/user/domain/user.entity';
+
+@Entity()
+export class Chat {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ManyToOne(() => User, (user) => user.id)
+  user: User;
+
+  @ManyToOne(() => Stock, (stock) => stock.id)
+  stock: Stock;
+
+  @Column()
+  message: string;
+
+  @Column()
+  type: ChatType;
+
+  @Column({ name: 'like_count' })
+  likeCount: number;
+
+  @Column(() => DateEmbedded, { prefix: '' })
+  date?: DateEmbedded;
+}
diff --git a/packages/backend/src/chat/domain/chatType.enum.ts b/packages/backend/src/chat/domain/chatType.enum.ts
new file mode 100644
index 00000000..c078a2e9
--- /dev/null
+++ b/packages/backend/src/chat/domain/chatType.enum.ts
@@ -0,0 +1,6 @@
+export const ChatType = {
+  NORMAL: 'NORMAL',
+  BROADCAST: 'BROADCAST',
+};
+
+export type ChatType = (typeof ChatType)[keyof typeof ChatType];

From 7013b9f98d2a392a2c9c95efee04101e21d0fdcf Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Tue, 12 Nov 2024 22:36:13 +0900
Subject: [PATCH 02/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EC=B1=84=ED=8C=85?=
 =?UTF-8?q?=EA=B3=BC=20=EC=B1=84=ED=8C=85=EB=B0=A9=20=EA=B8=B0=EB=8A=A5=20?=
 =?UTF-8?q?=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/app.module.ts            |  4 +-
 packages/backend/src/chat/chat.gateway.ts     | 45 +++++++++++++++++++
 packages/backend/src/chat/chat.module.ts      | 10 +++++
 .../backend/src/configs/devTypeormConfig.ts   |  2 +-
 4 files changed, 59 insertions(+), 2 deletions(-)
 create mode 100644 packages/backend/src/chat/chat.gateway.ts
 create mode 100644 packages/backend/src/chat/chat.module.ts

diff --git a/packages/backend/src/app.module.ts b/packages/backend/src/app.module.ts
index c7c4b36b..c425d9e5 100644
--- a/packages/backend/src/app.module.ts
+++ b/packages/backend/src/app.module.ts
@@ -4,11 +4,12 @@ import { WinstonModule } from 'nest-winston';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { AuthModule } from '@/auth/auth.module';
-import { logger } from '@/configs/logger.config';
+import { ChatModule } from '@/chat/chat.module';
 import {
   typeormDevelopConfig,
   typeormProductConfig,
 } from '@/configs/devTypeormConfig';
+import { logger } from '@/configs/logger.config';
 import { StockModule } from '@/stock/stock.module';
 import { UserModule } from '@/user/user.module';
 
@@ -23,6 +24,7 @@ import { UserModule } from '@/user/user.module';
     ),
     WinstonModule.forRoot(logger),
     AuthModule,
+    ChatModule,
   ],
   controllers: [AppController],
   providers: [AppService],
diff --git a/packages/backend/src/chat/chat.gateway.ts b/packages/backend/src/chat/chat.gateway.ts
new file mode 100644
index 00000000..4237257c
--- /dev/null
+++ b/packages/backend/src/chat/chat.gateway.ts
@@ -0,0 +1,45 @@
+import { Inject } from '@nestjs/common';
+import {
+  ConnectedSocket,
+  MessageBody,
+  OnGatewayConnection,
+  SubscribeMessage,
+  WebSocketGateway,
+  WebSocketServer,
+} from '@nestjs/websockets';
+import { Server, Socket } from 'socket.io';
+import { Logger } from 'winston';
+
+interface chatMessage {
+  room: string;
+  content: string;
+}
+
+@WebSocketGateway({ namespace: 'chat' })
+export class ChatGateway implements OnGatewayConnection {
+  @WebSocketServer()
+  server: Server;
+  constructor(@Inject('winston') private readonly logger: Logger) {}
+
+  @SubscribeMessage('chat')
+  handleConnectStock(
+    @MessageBody() message: chatMessage,
+    @ConnectedSocket() client: Socket,
+  ) {
+    const { room, content } = message;
+    if (!client.rooms.has(room)) {
+      client.emit('error', 'You are not in the room');
+      this.logger.warn(`client is not in the room ${room}`);
+      return;
+    }
+    this.server.to(room).emit('chat', content);
+  }
+
+  handleConnection(client: Socket) {
+    const room = client.handshake.query.stockId;
+    if (room) {
+      client.join(room);
+      this.logger.info(`client joined room ${room}`);
+    }
+  }
+}
diff --git a/packages/backend/src/chat/chat.module.ts b/packages/backend/src/chat/chat.module.ts
new file mode 100644
index 00000000..97dee7a2
--- /dev/null
+++ b/packages/backend/src/chat/chat.module.ts
@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { ChatGateway } from '@/chat/chat.gateway';
+import { Chat } from '@/chat/domain/chat.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Chat])],
+  providers: [ChatGateway],
+})
+export class ChatModule {}
diff --git a/packages/backend/src/configs/devTypeormConfig.ts b/packages/backend/src/configs/devTypeormConfig.ts
index 0672e4a6..41ceff73 100644
--- a/packages/backend/src/configs/devTypeormConfig.ts
+++ b/packages/backend/src/configs/devTypeormConfig.ts
@@ -22,4 +22,4 @@ export const typeormDevelopConfig: TypeOrmModuleOptions = {
   database: process.env.DB_NAME,
   entities: [__dirname + '/../**/*.entity.{js,ts}'],
   logging: true,
-};
\ No newline at end of file
+};

From 840154c3b6f72b6a7d5f702c6202a7fbb2e5f17f Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Tue, 12 Nov 2024 23:18:53 +0900
Subject: [PATCH 03/11] =?UTF-8?q?=E2=9C=A8=20feat:=20websocket=20exception?=
 =?UTF-8?q?=20=ED=95=84=ED=84=B0=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/chat/chat.gateway.ts     |  8 ++++---
 .../filter/webSocketException.filter.ts       | 24 +++++++++++++++++++
 2 files changed, 29 insertions(+), 3 deletions(-)
 create mode 100644 packages/backend/src/middlewares/filter/webSocketException.filter.ts

diff --git a/packages/backend/src/chat/chat.gateway.ts b/packages/backend/src/chat/chat.gateway.ts
index 4237257c..9190ba4a 100644
--- a/packages/backend/src/chat/chat.gateway.ts
+++ b/packages/backend/src/chat/chat.gateway.ts
@@ -1,4 +1,4 @@
-import { Inject } from '@nestjs/common';
+import { Inject, UseFilters } from '@nestjs/common';
 import {
   ConnectedSocket,
   MessageBody,
@@ -9,6 +9,7 @@ import {
 } from '@nestjs/websockets';
 import { Server, Socket } from 'socket.io';
 import { Logger } from 'winston';
+import { WebSocketExceptionFilter } from '@/middlewares/filter/webSocketException.filter';
 
 interface chatMessage {
   room: string;
@@ -16,13 +17,14 @@ interface chatMessage {
 }
 
 @WebSocketGateway({ namespace: 'chat' })
+@UseFilters(WebSocketExceptionFilter)
 export class ChatGateway implements OnGatewayConnection {
   @WebSocketServer()
   server: Server;
   constructor(@Inject('winston') private readonly logger: Logger) {}
 
   @SubscribeMessage('chat')
-  handleConnectStock(
+  async handleConnectStock(
     @MessageBody() message: chatMessage,
     @ConnectedSocket() client: Socket,
   ) {
@@ -35,7 +37,7 @@ export class ChatGateway implements OnGatewayConnection {
     this.server.to(room).emit('chat', content);
   }
 
-  handleConnection(client: Socket) {
+  async handleConnection(client: Socket) {
     const room = client.handshake.query.stockId;
     if (room) {
       client.join(room);
diff --git a/packages/backend/src/middlewares/filter/webSocketException.filter.ts b/packages/backend/src/middlewares/filter/webSocketException.filter.ts
new file mode 100644
index 00000000..9a2084d3
--- /dev/null
+++ b/packages/backend/src/middlewares/filter/webSocketException.filter.ts
@@ -0,0 +1,24 @@
+import {
+  ArgumentsHost,
+  Catch,
+  Inject,
+  WsExceptionFilter,
+} from '@nestjs/common';
+import { WsException } from '@nestjs/websockets';
+import { Socket } from 'socket.io';
+import { Logger } from 'winston';
+
+@Catch(WsException)
+export class WebSocketExceptionFilter implements WsExceptionFilter {
+  constructor(@Inject('winston') private readonly logger: Logger) {}
+  catch(exception: WsException, host: ArgumentsHost) {
+    const client = host.switchToWs().getClient<Socket>();
+    const data = host.switchToWs().getData();
+    const errorMessage = exception.message;
+    client.emit('error', {
+      message: errorMessage,
+      data,
+    });
+    this.logger.error(`error occurred: ${errorMessage}`);
+  }
+}

From 88715d732f7614157f35deaf8ca7691b192b4f3a Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 10:17:35 +0900
Subject: [PATCH 04/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=ED=97=88=EC=9A=A9?=
 =?UTF-8?q?=EB=90=9C=20=EC=A2=85=EB=AA=A9=20ID=EC=97=90=20=EB=8C=80?=
 =?UTF-8?q?=ED=95=9C=20=EC=B1=84=ED=8C=85=EB=B0=A9=20=EC=9E=85=EC=9E=A5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/app.module.ts          |  6 ++----
 packages/backend/src/chat/chat.gateway.ts   | 12 +++++++++++-
 packages/backend/src/chat/chat.module.ts    |  3 ++-
 packages/backend/src/stock/stock.module.ts  |  1 +
 packages/backend/src/stock/stock.service.ts |  7 ++++++-
 5 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/packages/backend/src/app.module.ts b/packages/backend/src/app.module.ts
index c425d9e5..2b10bcbe 100644
--- a/packages/backend/src/app.module.ts
+++ b/packages/backend/src/app.module.ts
@@ -1,8 +1,6 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { WinstonModule } from 'nest-winston';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
 import { AuthModule } from '@/auth/auth.module';
 import { ChatModule } from '@/chat/chat.module';
 import {
@@ -26,7 +24,7 @@ import { UserModule } from '@/user/user.module';
     AuthModule,
     ChatModule,
   ],
-  controllers: [AppController],
-  providers: [AppService],
+  controllers: [],
+  providers: [],
 })
 export class AppModule {}
diff --git a/packages/backend/src/chat/chat.gateway.ts b/packages/backend/src/chat/chat.gateway.ts
index 9190ba4a..7ea49fba 100644
--- a/packages/backend/src/chat/chat.gateway.ts
+++ b/packages/backend/src/chat/chat.gateway.ts
@@ -10,6 +10,7 @@ import {
 import { Server, Socket } from 'socket.io';
 import { Logger } from 'winston';
 import { WebSocketExceptionFilter } from '@/middlewares/filter/webSocketException.filter';
+import { StockService } from '@/stock/stock.service';
 
 interface chatMessage {
   room: string;
@@ -21,7 +22,10 @@ interface chatMessage {
 export class ChatGateway implements OnGatewayConnection {
   @WebSocketServer()
   server: Server;
-  constructor(@Inject('winston') private readonly logger: Logger) {}
+  constructor(
+    @Inject('winston') private readonly logger: Logger,
+    private readonly stockService: StockService,
+  ) {}
 
   @SubscribeMessage('chat')
   async handleConnectStock(
@@ -39,6 +43,12 @@ export class ChatGateway implements OnGatewayConnection {
 
   async handleConnection(client: Socket) {
     const room = client.handshake.query.stockId;
+    if (!room || !(await this.stockService.checkStockExist(room as string))) {
+      client.emit('error', 'Invalid stockId');
+      this.logger.warn(`client connected with invalid stockId: ${room}`);
+      client.disconnect();
+      return;
+    }
     if (room) {
       client.join(room);
       this.logger.info(`client joined room ${room}`);
diff --git a/packages/backend/src/chat/chat.module.ts b/packages/backend/src/chat/chat.module.ts
index 97dee7a2..c057caf2 100644
--- a/packages/backend/src/chat/chat.module.ts
+++ b/packages/backend/src/chat/chat.module.ts
@@ -2,9 +2,10 @@ import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { ChatGateway } from '@/chat/chat.gateway';
 import { Chat } from '@/chat/domain/chat.entity';
+import { StockModule } from '@/stock/stock.module';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Chat])],
+  imports: [TypeOrmModule.forFeature([Chat]), StockModule],
   providers: [ChatGateway],
 })
 export class ChatModule {}
diff --git a/packages/backend/src/stock/stock.module.ts b/packages/backend/src/stock/stock.module.ts
index 9bbfd915..86628543 100644
--- a/packages/backend/src/stock/stock.module.ts
+++ b/packages/backend/src/stock/stock.module.ts
@@ -8,5 +8,6 @@ import { StockService } from './stock.service';
   imports: [TypeOrmModule.forFeature([Stock])],
   controllers: [StockController],
   providers: [StockService],
+  exports: [StockService],
 })
 export class StockModule {}
diff --git a/packages/backend/src/stock/stock.service.ts b/packages/backend/src/stock/stock.service.ts
index cca8f692..a139849c 100644
--- a/packages/backend/src/stock/stock.service.ts
+++ b/packages/backend/src/stock/stock.service.ts
@@ -22,7 +22,6 @@ export class StockService {
     });
   }
 
-  // 유저 존재는 인증에서 확인가능해서 생략
   async createUserStock(userId: number, stockId: string) {
     return await this.datasource.transaction(async (manager) => {
       await this.validateStockExists(stockId, manager);
@@ -34,6 +33,12 @@ export class StockService {
     });
   }
 
+  async checkStockExist(stockId: string) {
+    return await this.datasource.manager.exists(Stock, {
+      where: { id: stockId },
+    });
+  }
+
   async deleteUserStock(userId: number, userStockId: number) {
     await this.datasource.transaction(async (manager) => {
       const userStock = await manager.findOne(UserStock, {

From 61be94df278ef836a26d74eb2ed714b5cddb40dc Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 10:39:18 +0900
Subject: [PATCH 05/11] =?UTF-8?q?=E2=99=BB=EF=B8=8F=20refactor:=20google?=
 =?UTF-8?q?=20oauth=20=EA=B4=80=EB=A0=A8=20=ED=8C=8C=EC=9D=BC=20=EB=94=94?=
 =?UTF-8?q?=EB=A0=89=ED=86=A0=EB=A6=AC=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/auth/auth.module.ts               |  6 +++---
 .../src/auth/{ => google}/googleAuth.controller.ts     | 10 +++++-----
 .../src/auth/{ => google}/googleAuth.service.spec.ts   |  4 ++--
 .../src/auth/{ => google}/googleAuth.service.ts        |  2 +-
 .../src/auth/{ => google}/guard/google.guard.ts        |  2 +-
 .../{passport => google/strategy}/google.strategy.ts   |  2 +-
 6 files changed, 13 insertions(+), 13 deletions(-)
 rename packages/backend/src/auth/{ => google}/googleAuth.controller.ts (79%)
 rename packages/backend/src/auth/{ => google}/googleAuth.service.spec.ts (95%)
 rename packages/backend/src/auth/{ => google}/googleAuth.service.ts (93%)
 rename packages/backend/src/auth/{ => google}/guard/google.guard.ts (99%)
 rename packages/backend/src/auth/{passport => google/strategy}/google.strategy.ts (95%)

diff --git a/packages/backend/src/auth/auth.module.ts b/packages/backend/src/auth/auth.module.ts
index ae2d0647..b6b0205c 100644
--- a/packages/backend/src/auth/auth.module.ts
+++ b/packages/backend/src/auth/auth.module.ts
@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common';
-import { GoogleAuthController } from '@/auth/googleAuth.controller';
-import { GoogleAuthService } from '@/auth/googleAuth.service';
-import { GoogleStrategy } from '@/auth/passport/google.strategy';
+import { GoogleAuthController } from '@/auth/google/googleAuth.controller';
+import { GoogleAuthService } from '@/auth/google/googleAuth.service';
+import { GoogleStrategy } from '@/auth/google/strategy/google.strategy';
 import { SessionSerializer } from '@/auth/passport/session.serializer';
 import { UserModule } from '@/user/user.module';
 
diff --git a/packages/backend/src/auth/googleAuth.controller.ts b/packages/backend/src/auth/google/googleAuth.controller.ts
similarity index 79%
rename from packages/backend/src/auth/googleAuth.controller.ts
rename to packages/backend/src/auth/google/googleAuth.controller.ts
index 1e159782..26fa4f36 100644
--- a/packages/backend/src/auth/googleAuth.controller.ts
+++ b/packages/backend/src/auth/google/googleAuth.controller.ts
@@ -1,8 +1,7 @@
 import { Controller, Get, Req, UseGuards } from '@nestjs/common';
 import { ApiOkResponse, ApiOperation, ApiTags } from '@nestjs/swagger';
 import { Request } from 'express';
-import { GoogleAuthGuard } from '@/auth/guard/google.guard';
-import { User } from '@/user/domain/user.entity';
+import { GoogleAuthGuard } from '@/auth/google/guard/google.guard';
 
 @ApiTags('Auth')
 @Controller('auth/google')
@@ -21,9 +20,10 @@ export class GoogleAuthController {
 
   @Get('/redirect')
   @UseGuards(GoogleAuthGuard)
-  async handleRedirect(@Req() request: Request) {
-    const user = request.user as User;
-    return { nickname: user.nickname, email: user.email };
+  async handleRedirect() {
+    return {
+      message: 'success google login',
+    };
   }
 
   @ApiOperation({
diff --git a/packages/backend/src/auth/googleAuth.service.spec.ts b/packages/backend/src/auth/google/googleAuth.service.spec.ts
similarity index 95%
rename from packages/backend/src/auth/googleAuth.service.spec.ts
rename to packages/backend/src/auth/google/googleAuth.service.spec.ts
index 9b90c9e1..3d3f49be 100644
--- a/packages/backend/src/auth/googleAuth.service.spec.ts
+++ b/packages/backend/src/auth/google/googleAuth.service.spec.ts
@@ -1,5 +1,5 @@
-import { GoogleAuthService } from '@/auth/googleAuth.service';
-import { OauthUserInfo } from '@/auth/passport/google.strategy';
+import { GoogleAuthService } from '@/auth/google/googleAuth.service';
+import { OauthUserInfo } from '@/auth/google/strategy/google.strategy';
 import { OauthType } from '@/user/domain/ouathType';
 import { Role } from '@/user/domain/role';
 import { User } from '@/user/domain/user.entity';
diff --git a/packages/backend/src/auth/googleAuth.service.ts b/packages/backend/src/auth/google/googleAuth.service.ts
similarity index 93%
rename from packages/backend/src/auth/googleAuth.service.ts
rename to packages/backend/src/auth/google/googleAuth.service.ts
index d19be403..cd80f18f 100644
--- a/packages/backend/src/auth/googleAuth.service.ts
+++ b/packages/backend/src/auth/google/googleAuth.service.ts
@@ -1,5 +1,5 @@
 import { Injectable, UnauthorizedException } from '@nestjs/common';
-import { OauthUserInfo } from '@/auth/passport/google.strategy';
+import { OauthUserInfo } from '@/auth/google/strategy/google.strategy';
 import { UserService } from '@/user/user.service';
 
 @Injectable()
diff --git a/packages/backend/src/auth/guard/google.guard.ts b/packages/backend/src/auth/google/guard/google.guard.ts
similarity index 99%
rename from packages/backend/src/auth/guard/google.guard.ts
rename to packages/backend/src/auth/google/guard/google.guard.ts
index bfb85f36..58b47875 100644
--- a/packages/backend/src/auth/guard/google.guard.ts
+++ b/packages/backend/src/auth/google/guard/google.guard.ts
@@ -12,4 +12,4 @@ export class GoogleAuthGuard extends AuthGuard('google') {
     await super.logIn(request);
     return isActivate;
   }
-}
\ No newline at end of file
+}
diff --git a/packages/backend/src/auth/passport/google.strategy.ts b/packages/backend/src/auth/google/strategy/google.strategy.ts
similarity index 95%
rename from packages/backend/src/auth/passport/google.strategy.ts
rename to packages/backend/src/auth/google/strategy/google.strategy.ts
index 230ece55..28295a2d 100644
--- a/packages/backend/src/auth/passport/google.strategy.ts
+++ b/packages/backend/src/auth/google/strategy/google.strategy.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { PassportStrategy } from '@nestjs/passport';
 import { Profile, Strategy, VerifyCallback } from 'passport-google-oauth20';
-import { GoogleAuthService } from '@/auth/googleAuth.service';
+import { GoogleAuthService } from '@/auth/google/googleAuth.service';
 import { OauthType } from '@/user/domain/ouathType';
 
 export interface OauthUserInfo {

From 433b2cc38793bc07c8266d8891ecfa5a7517fd8f Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 16:37:20 +0900
Subject: [PATCH 06/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EC=9D=98=EC=A1=B4?=
 =?UTF-8?q?=EC=84=B1=20=EC=A3=BC=EC=9E=85=EC=9A=A9=20=EB=A9=94=EB=AA=A8?=
 =?UTF-8?q?=EB=A6=AC=20=EC=84=B8=EC=85=98=20=EC=A0=80=EC=9E=A5=EC=86=8C=20?=
 =?UTF-8?q?=EC=84=A4=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/app.module.ts              |  2 ++
 packages/backend/src/auth/auth.module.ts        |  2 +-
 packages/backend/src/auth/session.module.ts     | 17 +++++++++++++++++
 .../{passport => session}/session.serializer.ts |  0
 packages/backend/src/main.ts                    |  4 +++-
 5 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 packages/backend/src/auth/session.module.ts
 rename packages/backend/src/auth/{passport => session}/session.serializer.ts (100%)

diff --git a/packages/backend/src/app.module.ts b/packages/backend/src/app.module.ts
index 2b10bcbe..41ec9d85 100644
--- a/packages/backend/src/app.module.ts
+++ b/packages/backend/src/app.module.ts
@@ -2,6 +2,7 @@ import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { WinstonModule } from 'nest-winston';
 import { AuthModule } from '@/auth/auth.module';
+import { SessionModule } from '@/auth/session.module';
 import { ChatModule } from '@/chat/chat.module';
 import {
   typeormDevelopConfig,
@@ -23,6 +24,7 @@ import { UserModule } from '@/user/user.module';
     WinstonModule.forRoot(logger),
     AuthModule,
     ChatModule,
+    SessionModule,
   ],
   controllers: [],
   providers: [],
diff --git a/packages/backend/src/auth/auth.module.ts b/packages/backend/src/auth/auth.module.ts
index b6b0205c..f513d613 100644
--- a/packages/backend/src/auth/auth.module.ts
+++ b/packages/backend/src/auth/auth.module.ts
@@ -2,7 +2,7 @@ import { Module } from '@nestjs/common';
 import { GoogleAuthController } from '@/auth/google/googleAuth.controller';
 import { GoogleAuthService } from '@/auth/google/googleAuth.service';
 import { GoogleStrategy } from '@/auth/google/strategy/google.strategy';
-import { SessionSerializer } from '@/auth/passport/session.serializer';
+import { SessionSerializer } from '@/auth/session/session.serializer';
 import { UserModule } from '@/user/user.module';
 
 @Module({
diff --git a/packages/backend/src/auth/session.module.ts b/packages/backend/src/auth/session.module.ts
new file mode 100644
index 00000000..07c36bba
--- /dev/null
+++ b/packages/backend/src/auth/session.module.ts
@@ -0,0 +1,17 @@
+import { Module } from '@nestjs/common';
+import { MemoryStore } from 'express-session';
+
+export const MEMORY_STORE = 'memoryStore';
+
+@Module({
+  providers: [
+    {
+      provide: MEMORY_STORE,
+      useFactory: () => {
+        return new MemoryStore();
+      },
+    },
+  ],
+  exports: [MEMORY_STORE],
+})
+export class SessionModule {}
diff --git a/packages/backend/src/auth/passport/session.serializer.ts b/packages/backend/src/auth/session/session.serializer.ts
similarity index 100%
rename from packages/backend/src/auth/passport/session.serializer.ts
rename to packages/backend/src/auth/session/session.serializer.ts
diff --git a/packages/backend/src/main.ts b/packages/backend/src/main.ts
index 1012be4f..311bcdb9 100644
--- a/packages/backend/src/main.ts
+++ b/packages/backend/src/main.ts
@@ -3,12 +3,14 @@ import { NestFactory } from '@nestjs/core';
 import * as session from 'express-session';
 import * as passport from 'passport';
 import { AppModule } from './app.module';
+import { MEMORY_STORE } from '@/auth/session.module';
 import { sessionConfig } from '@/configs/session.config';
 import { useSwagger } from '@/configs/swagger.config';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  app.use(session(sessionConfig));
+  const store = app.get(MEMORY_STORE);
+  app.use(session({ ...sessionConfig, store }));
   app.useGlobalPipes(new ValidationPipe({ transform: true }));
   useSwagger(app);
   app.use(passport.initialize());

From 1486131d60fdf8c129450126a309893141b6eefa Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 16:38:47 +0900
Subject: [PATCH 07/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EC=9B=B9=EC=86=8C?=
 =?UTF-8?q?=EC=BC=93=20=EC=A0=84=EC=9A=A9=20=EC=BF=A0=ED=82=A4=20=EC=84=B8?=
 =?UTF-8?q?=EC=85=98=20=EA=B0=80=EB=93=9C=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../backend/src/auth/session/cookieParser.ts  | 31 +++++++++++++
 .../auth/session/webSocketSession.guard..ts   | 45 +++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 packages/backend/src/auth/session/cookieParser.ts
 create mode 100644 packages/backend/src/auth/session/webSocketSession.guard..ts

diff --git a/packages/backend/src/auth/session/cookieParser.ts b/packages/backend/src/auth/session/cookieParser.ts
new file mode 100644
index 00000000..2436b67a
--- /dev/null
+++ b/packages/backend/src/auth/session/cookieParser.ts
@@ -0,0 +1,31 @@
+import * as crypto from 'node:crypto';
+import { WsException } from '@nestjs/websockets';
+import * as cookie from 'cookie';
+import { Socket } from 'socket.io';
+import { sessionConfig } from '@/configs/session.config';
+
+export const websocketCookieParse = (socket: Socket) => {
+  if (!socket.request.headers.cookie) {
+    throw new WsException('not found cookie');
+  }
+  const cookies = cookie.parse(socket.request.headers.cookie);
+  const sid = cookies['connect.sid'];
+  return getSessionIdFromCookie(sid);
+};
+
+const getSessionIdFromCookie = (cookieValue: string) => {
+  if (cookieValue.startsWith('s:')) {
+    const [id, signature] = cookieValue.slice(2).split('.');
+    const expectedSignature = crypto
+      .createHmac('sha256', sessionConfig.secret)
+      .update(id)
+      .digest('base64')
+      .replace(/=+$/, '');
+
+    if (expectedSignature === signature) {
+      return id;
+    }
+    throw new WsException('Invalid cookie signature');
+  }
+  throw new WsException('Invalid cookie format');
+};
diff --git a/packages/backend/src/auth/session/webSocketSession.guard..ts b/packages/backend/src/auth/session/webSocketSession.guard..ts
new file mode 100644
index 00000000..a19ff956
--- /dev/null
+++ b/packages/backend/src/auth/session/webSocketSession.guard..ts
@@ -0,0 +1,45 @@
+import {
+  CanActivate,
+  ExecutionContext,
+  Inject,
+  Injectable,
+} from '@nestjs/common';
+import { WsException } from '@nestjs/websockets';
+import { MemoryStore, SessionData } from 'express-session';
+import { Socket } from 'socket.io';
+import { websocketCookieParse } from '@/auth/session/cookieParser';
+import { MEMORY_STORE } from '@/auth/session.module';
+import { User } from '@/user/domain/user.entity';
+
+export interface SessionSocket extends Socket {
+  session?: User;
+}
+
+interface PassportSession extends SessionData {
+  passport: { user: User };
+}
+
+@Injectable()
+export class WebSocketSessionGuard implements CanActivate {
+  constructor(
+    @Inject(MEMORY_STORE) private readonly sessionStore: MemoryStore,
+  ) {}
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const socket: SessionSocket = context.switchToHttp().getRequest();
+    const cookieValue = websocketCookieParse(socket);
+    const session = await this.getSession(cookieValue);
+    socket.session = session.passport.user;
+    return true;
+  }
+
+  private getSession(cookieValue: string) {
+    return new Promise<PassportSession>((resolve, reject) => {
+      this.sessionStore.get(cookieValue, (err: Error, session) => {
+        if (err || !session) {
+          reject(new WsException('forbidden chat'));
+        }
+        resolve(session as PassportSession);
+      });
+    });
+  }
+}

From 11c88a96c776145dcb8369bce22febbc623b2e69 Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 16:39:16 +0900
Subject: [PATCH 08/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EC=9B=B9=EC=86=8C?=
 =?UTF-8?q?=EC=BC=93=20=EC=97=90=EB=9F=AC=20=EB=A1=9C=EA=B7=B8=20=EB=A0=88?=
 =?UTF-8?q?=EB=B2=A8=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../backend/src/middlewares/filter/webSocketException.filter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/backend/src/middlewares/filter/webSocketException.filter.ts b/packages/backend/src/middlewares/filter/webSocketException.filter.ts
index 9a2084d3..b1662fcb 100644
--- a/packages/backend/src/middlewares/filter/webSocketException.filter.ts
+++ b/packages/backend/src/middlewares/filter/webSocketException.filter.ts
@@ -19,6 +19,6 @@ export class WebSocketExceptionFilter implements WsExceptionFilter {
       message: errorMessage,
       data,
     });
-    this.logger.error(`error occurred: ${errorMessage}`);
+    this.logger.warn(`error occurred: ${errorMessage}`);
   }
 }

From 75369651744871536bb652de28b2bc08d9bc6817 Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 16:44:06 +0900
Subject: [PATCH 09/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EB=A1=9C=EA=B7=B8?=
 =?UTF-8?q?=EC=9D=B8=EB=90=9C=20=EC=82=AC=EC=9A=A9=EC=9E=90=EB=A7=8C=20?=
 =?UTF-8?q?=EC=B1=84=ED=8C=85=EC=9D=84=20=EC=9E=85=EB=A0=A5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/chat/chat.gateway.ts | 10 ++++++++--
 packages/backend/src/chat/chat.module.ts  |  3 ++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/packages/backend/src/chat/chat.gateway.ts b/packages/backend/src/chat/chat.gateway.ts
index 7ea49fba..bbab4f8d 100644
--- a/packages/backend/src/chat/chat.gateway.ts
+++ b/packages/backend/src/chat/chat.gateway.ts
@@ -1,4 +1,4 @@
-import { Inject, UseFilters } from '@nestjs/common';
+import { Inject, UseFilters, UseGuards } from '@nestjs/common';
 import {
   ConnectedSocket,
   MessageBody,
@@ -9,6 +9,10 @@ import {
 } from '@nestjs/websockets';
 import { Server, Socket } from 'socket.io';
 import { Logger } from 'winston';
+import {
+  SessionSocket,
+  WebSocketSessionGuard,
+} from '@/auth/session/webSocketSession.guard.';
 import { WebSocketExceptionFilter } from '@/middlewares/filter/webSocketException.filter';
 import { StockService } from '@/stock/stock.service';
 
@@ -27,12 +31,14 @@ export class ChatGateway implements OnGatewayConnection {
     private readonly stockService: StockService,
   ) {}
 
+  @UseGuards(WebSocketSessionGuard)
   @SubscribeMessage('chat')
   async handleConnectStock(
     @MessageBody() message: chatMessage,
-    @ConnectedSocket() client: Socket,
+    @ConnectedSocket() client: SessionSocket,
   ) {
     const { room, content } = message;
+    this.logger.info(`message from ${client.session?.nickname}`);
     if (!client.rooms.has(room)) {
       client.emit('error', 'You are not in the room');
       this.logger.warn(`client is not in the room ${room}`);
diff --git a/packages/backend/src/chat/chat.module.ts b/packages/backend/src/chat/chat.module.ts
index c057caf2..6b188d93 100644
--- a/packages/backend/src/chat/chat.module.ts
+++ b/packages/backend/src/chat/chat.module.ts
@@ -1,11 +1,12 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
+import { SessionModule } from '@/auth/session.module';
 import { ChatGateway } from '@/chat/chat.gateway';
 import { Chat } from '@/chat/domain/chat.entity';
 import { StockModule } from '@/stock/stock.module';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Chat]), StockModule],
+  imports: [TypeOrmModule.forFeature([Chat]), StockModule, SessionModule],
   providers: [ChatGateway],
 })
 export class ChatModule {}

From 2ca7e0514e35b2e5fbe628d9673ed818dfcda414 Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Wed, 13 Nov 2024 17:18:17 +0900
Subject: [PATCH 10/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EC=B1=84=ED=8C=85=20?=
 =?UTF-8?q?=EC=A0=80=EC=9E=A5=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/backend/src/chat/chat.gateway.ts     | 31 +++++++++++++++++--
 packages/backend/src/chat/chat.module.ts      |  3 +-
 packages/backend/src/chat/chat.service.ts     | 21 +++++++++++++
 .../backend/src/chat/domain/chat.entity.ts    |  8 ++---
 4 files changed, 56 insertions(+), 7 deletions(-)
 create mode 100644 packages/backend/src/chat/chat.service.ts

diff --git a/packages/backend/src/chat/chat.gateway.ts b/packages/backend/src/chat/chat.gateway.ts
index bbab4f8d..73b867cd 100644
--- a/packages/backend/src/chat/chat.gateway.ts
+++ b/packages/backend/src/chat/chat.gateway.ts
@@ -15,12 +15,21 @@ import {
 } from '@/auth/session/webSocketSession.guard.';
 import { WebSocketExceptionFilter } from '@/middlewares/filter/webSocketException.filter';
 import { StockService } from '@/stock/stock.service';
+import { ChatService } from '@/chat/chat.service';
+import { Chat } from '@/chat/domain/chat.entity';
 
 interface chatMessage {
   room: string;
   content: string;
 }
 
+interface chatResponse {
+  likeCount: number;
+  message: string;
+  type: string;
+  createdAt: Date;
+}
+
 @WebSocketGateway({ namespace: 'chat' })
 @UseFilters(WebSocketExceptionFilter)
 export class ChatGateway implements OnGatewayConnection {
@@ -29,6 +38,7 @@ export class ChatGateway implements OnGatewayConnection {
   constructor(
     @Inject('winston') private readonly logger: Logger,
     private readonly stockService: StockService,
+    private readonly chatService: ChatService,
   ) {}
 
   @UseGuards(WebSocketSessionGuard)
@@ -38,13 +48,21 @@ export class ChatGateway implements OnGatewayConnection {
     @ConnectedSocket() client: SessionSocket,
   ) {
     const { room, content } = message;
-    this.logger.info(`message from ${client.session?.nickname}`);
     if (!client.rooms.has(room)) {
       client.emit('error', 'You are not in the room');
       this.logger.warn(`client is not in the room ${room}`);
       return;
     }
-    this.server.to(room).emit('chat', content);
+    if (!client.session || !client.session.id) {
+      client.emit('error', 'Invalid session');
+      this.logger.warn('client session is invalid');
+      return;
+    }
+    const savedChat = await this.chatService.saveChat(client.session.id, {
+      stockId: room,
+      message: content,
+    });
+    this.server.to(room).emit('chat', this.toResponse(savedChat));
   }
 
   async handleConnection(client: Socket) {
@@ -60,4 +78,13 @@ export class ChatGateway implements OnGatewayConnection {
       this.logger.info(`client joined room ${room}`);
     }
   }
+
+  private toResponse(chat: Chat): chatResponse {
+    return {
+      likeCount: chat.likeCount,
+      message: chat.message,
+      type: chat.type,
+      createdAt: chat.date?.createdAt || new Date(),
+    };
+  }
 }
diff --git a/packages/backend/src/chat/chat.module.ts b/packages/backend/src/chat/chat.module.ts
index 6b188d93..345a0f76 100644
--- a/packages/backend/src/chat/chat.module.ts
+++ b/packages/backend/src/chat/chat.module.ts
@@ -4,9 +4,10 @@ import { SessionModule } from '@/auth/session.module';
 import { ChatGateway } from '@/chat/chat.gateway';
 import { Chat } from '@/chat/domain/chat.entity';
 import { StockModule } from '@/stock/stock.module';
+import { ChatService } from '@/chat/chat.service';
 
 @Module({
   imports: [TypeOrmModule.forFeature([Chat]), StockModule, SessionModule],
-  providers: [ChatGateway],
+  providers: [ChatGateway, ChatService],
 })
 export class ChatModule {}
diff --git a/packages/backend/src/chat/chat.service.ts b/packages/backend/src/chat/chat.service.ts
new file mode 100644
index 00000000..c6fabff2
--- /dev/null
+++ b/packages/backend/src/chat/chat.service.ts
@@ -0,0 +1,21 @@
+import { Injectable } from '@nestjs/common';
+import { DataSource } from 'typeorm';
+import { Chat } from '@/chat/domain/chat.entity';
+
+interface ChatMessage {
+  message: string;
+  stockId: string;
+}
+
+@Injectable()
+export class ChatService {
+  constructor(private readonly dataSource: DataSource) {}
+
+  async saveChat(userId: number, chatMessage: ChatMessage) {
+    return this.dataSource.manager.save(Chat, {
+      user: { id: userId },
+      stock: { id: chatMessage.stockId },
+      message: chatMessage.message,
+    });
+  }
+}
\ No newline at end of file
diff --git a/packages/backend/src/chat/domain/chat.entity.ts b/packages/backend/src/chat/domain/chat.entity.ts
index e855f196..e937d898 100644
--- a/packages/backend/src/chat/domain/chat.entity.ts
+++ b/packages/backend/src/chat/domain/chat.entity.ts
@@ -18,11 +18,11 @@ export class Chat {
   @Column()
   message: string;
 
-  @Column()
-  type: ChatType;
+  @Column({ type: 'enum', enum: ChatType, default: ChatType.NORMAL })
+  type: ChatType = ChatType.NORMAL;
 
-  @Column({ name: 'like_count' })
-  likeCount: number;
+  @Column({ name: 'like_count', default: 0 })
+  likeCount: number = 0;
 
   @Column(() => DateEmbedded, { prefix: '' })
   date?: DateEmbedded;

From 66618881c626052e4543e12a2ae651fd3f8878a0 Mon Sep 17 00:00:00 2001
From: kimminsu <xjfcnfw3@naver.com>
Date: Thu, 14 Nov 2024 23:10:37 +0900
Subject: [PATCH 11/11] =?UTF-8?q?=E2=9C=A8=20feat:=20=EA=B5=AC=EA=B8=80=20?=
 =?UTF-8?q?oauth=20=EB=A1=9C=EA=B7=B8=EC=9D=B8=20=EC=84=B1=EA=B3=B5?=
 =?UTF-8?q?=EC=8B=9C=20=EB=A9=94=EC=9D=B8=ED=8E=98=EC=9D=B4=EC=A7=80?=
 =?UTF-8?q?=EB=A1=9C=20=EB=A6=AC=EB=8B=A4=EC=9D=B4=EB=A0=89=ED=8A=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../backend/src/auth/google/googleAuth.controller.ts   | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/packages/backend/src/auth/google/googleAuth.controller.ts b/packages/backend/src/auth/google/googleAuth.controller.ts
index 26fa4f36..1d460748 100644
--- a/packages/backend/src/auth/google/googleAuth.controller.ts
+++ b/packages/backend/src/auth/google/googleAuth.controller.ts
@@ -1,6 +1,6 @@
-import { Controller, Get, Req, UseGuards } from '@nestjs/common';
+import { Controller, Get, Req, Res, UseGuards } from '@nestjs/common';
 import { ApiOkResponse, ApiOperation, ApiTags } from '@nestjs/swagger';
-import { Request } from 'express';
+import { Request, Response } from 'express';
 import { GoogleAuthGuard } from '@/auth/google/guard/google.guard';
 
 @ApiTags('Auth')
@@ -20,10 +20,8 @@ export class GoogleAuthController {
 
   @Get('/redirect')
   @UseGuards(GoogleAuthGuard)
-  async handleRedirect() {
-    return {
-      message: 'success google login',
-    };
+  async handleRedirect(@Res() response: Response) {
+    response.redirect('/');
   }
 
   @ApiOperation({