chore: add http logger and core interceptors

src/app.module.ts

@@ -1,10 +1,11 @@
 import { CacheModule } from "@nestjs/cache-manager";
-import { Module } from "@nestjs/common";
+import { MiddlewareConsumer, Module, NestModule } from "@nestjs/common";
 import { ConfigModule } from "@nestjs/config";
 import { TypeOrmModule } from "@nestjs/typeorm";
 
 import { cacheConfig } from "./configs/cache.config";
 import { DatabaseConfigs } from "./configs/typeorm.config";
+import { HTTPLogger } from "./core/middlewares/logger.middleware";
 import { TicketsModule } from "./modules/tickets/tickets.module";
 import { UsersModule } from "./modules/users/users.module";
 
@@ -19,4 +20,8 @@ import { UsersModule } from "./modules/users/users.module";
   controllers: [],
   providers: [],
 })
-export class AppModule {}
+export class AppModule implements NestModule {
+  configure(consumer: MiddlewareConsumer) {
+    consumer.apply(HTTPLogger).forRoutes("*");
+  }
+}

src/core/exceptions/http.exceptions.ts

@@ -0,0 +1,37 @@
+import { ArgumentsHost, Catch, ExceptionFilter, HttpException, HttpStatus } from "@nestjs/common";
+import { FastifyReply, FastifyRequest } from "fastify";
+
+@Catch(HttpException)
+export class HttpExceptionFilter implements ExceptionFilter {
+  catch(exception: HttpException, host: ArgumentsHost) {
+    const ctx = host.switchToHttp();
+    const reply = ctx.getResponse<FastifyReply>();
+    const request = ctx.getRequest<FastifyRequest>();
+    const status = exception.getStatus() || HttpStatus.INTERNAL_SERVER_ERROR;
+
+    const exceptionResponse = exception.getResponse();
+    const message = this.extractMessage(exceptionResponse);
+
+    reply.status(status).send({
+      statusCode: status,
+      success: false,
+      error: {
+        message,
+        // timestamp: new Date().toISOString(),
+        path: request.url,
+      },
+    });
+  }
+
+  private extractMessage(response: string | Record<string, any>): string | string[] {
+    if (typeof response === "string") {
+      return [response];
+    }
+
+    if (typeof response === "object" && "message" in response) {
+      return Array.isArray(response.message) ? response.message : [response.message];
+    }
+
+    return "something wrong";
+  }
+}

src/core/interceptors/response.interceptor.ts

@@ -1,5 +1,5 @@
 import { CallHandler, ExecutionContext, Injectable, NestInterceptor } from "@nestjs/common";
-import { Response } from "express";
+import { FastifyReply } from "fastify";
 import { Observable } from "rxjs";
 import { map } from "rxjs/operators";
 
@@ -7,7 +7,7 @@ import { map } from "rxjs/operators";
 export class ResponseInterceptor implements NestInterceptor {
   //
   intercept(context: ExecutionContext, next: CallHandler<Record<string, unknown>>): Observable<unknown> {
-    const ctx = context.switchToHttp().getResponse<Response>();
+    const ctx = context.switchToHttp().getResponse<FastifyReply>();
     const statusCode = ctx.statusCode;
 
     return next.handle().pipe(

src/core/middlewares/logger.middleware.ts

@@ -1,24 +1,26 @@
-// import { Injectable, Logger, NestMiddleware } from "@nestjs/common";
-// import { FastifyReply, FastifyRequest } from "fastify";
+import { Injectable, Logger, NestMiddleware } from "@nestjs/common";
+import { FastifyReply, FastifyRequest } from "fastify";
 
-// @Injectable()
-// export class HTTPLoggerMiddleware implements NestMiddleware {
-//   private readonly logger = new Logger(HTTPLoggerMiddleware.name);
-//   //   use(req: any, res: any, next: (error?: Error | any) => void) {}
+@Injectable()
+export class HTTPLogger implements NestMiddleware {
+  private readonly logger = new Logger(HTTPLogger.name);
+  //   use(req: any, res: any, next: (error?: Error | any) => void) {}
 
-//   use(req: FastifyRequest, res: FastifyReply, next: NextFunction) {
-//     const { ip, method, baseUrl } = req;
-//     const userAgent = req.get("user-agent") || "";
-//     const startAt = process.hrtime();
+  use(req: FastifyRequest, rep: FastifyReply["raw"], next: () => void) {
+    const { ip, method, originalUrl } = req;
+    const userAgent = req.headers["user-agent"] || "";
+    const startAt = process.hrtime();
 
-//     res.on("finish", () => {
-//       const { statusCode } = res;
-//       const contentLength = res.get("content-length") || 0;
-//       const dif = process.hrtime(startAt);
-//       const responseTime = dif[0] * 1e3 + dif[1] * 1e-6;
-//       this.logger.log(`${method} - ${baseUrl} - ${statusCode} - ${contentLength} - ${userAgent} - ${ip} - ${responseTime.toFixed(2)}ms`);
-//     });
+    rep.on("finish", () => {
+      const { statusCode } = rep;
+      const contentLength = rep.getHeader("content-length") || 0;
+      const dif = process.hrtime(startAt);
+      const responseTime = dif[0] * 1e3 + dif[1] * 1e-6;
+      this.logger.log(
+        `${method} - ${originalUrl} - ${statusCode} - ${contentLength} - ${userAgent} - ${ip} - ${responseTime.toFixed(2)}ms`,
+      );
+    });
 
-//     next();
-//   }
-// }
+    next();
+  }
+}

src/main.ts

@@ -5,12 +5,17 @@ import { FastifyAdapter, NestFastifyApplication } from "@nestjs/platform-fastify
 
 import { AppModule } from "./app.module";
 import { getSwaggerDocument } from "./configs/swagger.config";
+import { HttpExceptionFilter } from "./core/exceptions/http.exceptions";
+import { PaginationInterceptor } from "./core/interceptors/pagination.interceptor";
+import { ResponseInterceptor } from "./core/interceptors/response.interceptor";
 
 async function bootstrap() {
   const logger = new Logger("APP");
   const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter());
 
   app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
+  app.useGlobalInterceptors(new ResponseInterceptor(), new PaginationInterceptor());
+  app.useGlobalFilters(new HttpExceptionFilter());
 
   app.enableCors({
     origin: true,