24: socket.io chat

2025-05-23 15:48:33 +07:00
parent d03e502f2f
commit 44cd4f2911
5 changed files with 483 additions and 4 deletions
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,19 +20,24 @@
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        "@nestjs/passport": "^11.0.5",
        "@nestjs/platform-express": "^11.0.1",
+        "@nestjs/platform-socket.io": "^11.1.1",
        "@nestjs/swagger": "^11.2.0",
        "@nestjs/typeorm": "^11.0.0",
+        "@nestjs/websockets": "^11.1.1",
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        "@types/passport-jwt": "^4.0.1",
        "@types/passport-local": "^1.0.38",
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        "@types/uuid": "^10.0.0",
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        "joi": "^17.13.3",
        "multer": "^1.4.5-lts.2",
@@ -2832,6 +2837,25 @@
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      }
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+      "license": "MIT",
+      "dependencies": {
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+        "tslib": "2.8.1"
+      },
+      "funding": {
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+        "url": "https://opencollective.com/nest"
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+        "@nestjs/websockets": "^11.0.0",
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@@ -3004,6 +3028,29 @@
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+      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-11.1.1.tgz",
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+        "@nestjs/core": "^11.0.0",
+        "@nestjs/platform-socket.io": "^11.0.0",
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+        "rxjs": "^7.1.0"
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@@ -3189,6 +3236,12 @@
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@@ -3652,6 +3705,12 @@
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@@ -3668,6 +3727,15 @@
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@@ -3919,6 +3987,15 @@
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@@ -5624,6 +5701,15 @@
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@@ -6459,6 +6545,15 @@
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@@ -6883,6 +6978,104 @@
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      "license": "ISC"
    },
+    "node_modules/ws": {
+      "version": "8.17.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz",
+      "integrity": "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
    "node_modules/xml2js": {
      "version": "0.6.2",
      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.6.2.tgz",
--- a/package.json
+++ b/package.json
@@ -31,19 +31,24 @@
    "@nestjs/jwt": "^11.0.0",
    "@nestjs/passport": "^11.0.5",
    "@nestjs/platform-express": "^11.0.1",
+    "@nestjs/platform-socket.io": "^11.1.1",
    "@nestjs/swagger": "^11.2.0",
    "@nestjs/typeorm": "^11.0.0",
+    "@nestjs/websockets": "^11.1.1",
    "@types/bcrypt": "^5.0.2",
+    "@types/cookie": "^0.6.0",
    "@types/cookie-parser": "^1.4.8",
    "@types/hapi__joi": "^17.1.15",
    "@types/passport-jwt": "^4.0.1",
    "@types/passport-local": "^1.0.38",
+    "@types/socket.io": "^3.0.1",
    "@types/uuid": "^10.0.0",
    "aws-sdk": "^2.1692.0",
    "bcrypt": "^5.1.1",
    "cache-manager": "^6.4.3",
    "class-transformer": "^0.5.1",
    "class-validator": "^0.14.2",
+    "cookie": "^1.0.2",
    "cookie-parser": "^1.4.7",
    "joi": "^17.13.3",
    "multer": "^1.4.5-lts.2",
--- a/src/chat/chat.gateway.ts
+++ b/src/chat/chat.gateway.ts
@@ -0,0 +1,44 @@
+import {
+    ConnectedSocket,
+    MessageBody, OnGatewayConnection,
+    SubscribeMessage,
+    WebSocketGateway,
+    WebSocketServer,
+} from '@nestjs/websockets';
+import {Server, Socket} from 'socket.io';
+import {ChatService} from "./chat.service";
+
+@WebSocketGateway()
+export class ChatGateway implements OnGatewayConnection {
+    @WebSocketServer()
+    server: Server;
+
+    constructor(
+        private readonly chatService: ChatService
+    ) {
+    }
+
+    async handleConnection(socket: Socket) {
+        await this.chatService.getUserFromSocket(socket);
+    }
+
+    @SubscribeMessage('send_message')
+    async listenForMessages(@MessageBody() content: string, @ConnectedSocket() socket: Socket,) {
+        const author = await this.chatService.getUserFromSocket(socket);
+        const message = await this.chatService.saveMessage(content, author);
+        this.server.sockets.emit('receive_message', message);
+        return message;
+    }
+
+    @SubscribeMessage('request_all_messages')
+    async requestAllMessages(
+        @ConnectedSocket() socket: Socket,
+    ) {
+        await this.chatService.getUserFromSocket(socket);
+        const messages = await this.chatService.getAllMessages();
+
+        socket.emit('send_all_messages', messages);
+    }
+
+
+}
--- a/src/chat/chat.service.ts
+++ b/src/chat/chat.service.ts
@@ -0,0 +1,47 @@
+import { Injectable } from '@nestjs/common';
+import { AuthenticationService } from '../authentication/authentication.service';
+import { Socket } from 'socket.io';
+import { parse } from 'cookie';
+import { WsException } from '@nestjs/websockets';
+import UserEntity from "../users/entities/user.entity";
+import {InjectRepository} from "@nestjs/typeorm";
+import Message from "./mesage.entity";
+import {Repository} from "typeorm";
+
+@Injectable()
+export class ChatService {
+    constructor(
+        private readonly authenticationService: AuthenticationService,
+        @InjectRepository(Message)
+        private messagesRepository: Repository<Message>,
+    ) {
+    }
+
+    async saveMessage(content: string, author: UserEntity) {
+        const newMessage = this.messagesRepository.create({
+            content,
+            author
+        });
+        await this.messagesRepository.save(newMessage);
+        return newMessage;
+    }
+
+    async getAllMessages() {
+        return this.messagesRepository.find({
+            relations: {
+                author: true,
+            }
+        });
+    }
+
+    async getUserFromSocket(socket: Socket) {
+        const cookie = socket.handshake.headers.cookie;
+        const { Authentication: authenticationToken } = parse(cookie);
+        const user = await this.authenticationService.getUserFromAuthenticationToken(authenticationToken);
+        if (!user) {
+            throw new WsException('Invalid credentials.');
+        }
+        return user;
+    }
+}
+
--- a/src/chat/mesage.entity.ts
+++ b/src/chat/mesage.entity.ts
@@ -0,0 +1,16 @@
+import { Column, Entity, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
+import User from '../users/entities/user.entity';
+
+@Entity()
+class Message {
+    @PrimaryGeneratedColumn()
+    public id: number;
+
+    @Column()
+    public content: string;
+
+    @ManyToOne(() => User)
+    public author: User;
+}
+
+export default Message;