Add base code for matching service

Author: Jajared

backend/docker-compose.yml

@@ -19,6 +19,7 @@ services:
       - question-service
       - user-service
       - auth-service
+      - matching-service
     networks:
       - backend-network
 
@@ -70,6 +71,22 @@ services:
     ports:
       - "3003:4000"
 
+  matching-service:
+    build:
+      context: ./matching-service
+      target: development
+    container_name: matching-service
+    volumes:
+      - ./matching-service:/app
+      - /app/node_modules
+    command: npm run start:dev
+    env_file:
+      - ./matching-service/.env
+    networks:
+      - backend-network
+    ports:
+      - "3003:4000" 
+
 networks:
   backend-network:
     driver: bridge

backend/gateway-service/package-lock.json

@@ -25,7 +25,9 @@
     "@nestjs/microservices": "^10.4.1",
     "@nestjs/passport": "^10.0.3",
     "@nestjs/platform-express": "^10.0.0",
+    "@nestjs/platform-socket.io": "^10.4.4",
     "@nestjs/swagger": "^7.4.2",
+    "@nestjs/websockets": "^10.4.4",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
     "passport-jwt": "^4.0.1",

backend/gateway-service/package.json

@@ -5,6 +5,7 @@ import { AuthController } from './modules/auth/auth.controller';
 import { QuestionController } from './modules/question/question.controller';
 import { APP_GUARD } from '@nestjs/core';
 import { AtAuthGuard, RtAuthGuard } from './common/guards';
+import { MatchController } from './modules/match/match.controller';
 
 @Module({
   imports: [
@@ -33,9 +34,17 @@ import { AtAuthGuard, RtAuthGuard } from './common/guards';
           port: 3003,
         },
       },
+      {
+        name: 'MATCHING_SERVICE',
+        transport: Transport.REDIS,
+        options: {
+          host: 'localhost',
+          port: 6379,
+        },
+      }
     ]),
   ],
-  controllers: [UserController, QuestionController, AuthController],
+  controllers: [UserController, QuestionController, AuthController, MatchController],
   providers: [
     RtAuthGuard,
     {

backend/gateway-service/src/app.module.ts

@@ -0,0 +1,24 @@
+/* import { createParamDecorator, ExecutionContext, UnauthorizedException } from '@nestjs/common';
+import { JwtService } from '@nestjs/jwt';  // Assuming you're using JwtService for token verification
+import { JwtPayload } from '../interfaces/auth';  // Your existing JWT payload interface
+
+export const GetCurrentUserId = createParamDecorator(
+  async (_: undefined, context: ExecutionContext): Promise<string> => {
+    const client = context.switchToWs().getClient();  // Access WebSocket client
+    const token = client.handshake?.auth?.token;      // Extract JWT from the handshake auth
+
+    if (!token) {
+      throw new UnauthorizedException('No token found in handshake');
+    }
+
+    try {
+      const jwtService = new JwtService({ secret: 'your-secret' });  // Use your JWT secret
+      const decoded = jwtService.verify<JwtPayload>(token);          // Verify the token
+
+      return decoded.sub;  // Return the user ID (sub) from the JWT payload
+    } catch (error) {
+      throw new UnauthorizedException('Invalid or expired token');
+    }
+  },
+); */
+

backend/gateway-service/src/common/decorators/get-current-user-id-socket.decorator.ts

@@ -0,0 +1 @@
+export { UserMatchOptionsDto } from './user-match-options.dto';