Adding service Logs

src/app.module.ts

@@ -1,5 +1,5 @@
 import { Module , NestModule, MiddlewareConsumer } from '@nestjs/common';
-import { HelloController } from './application/controller/hello.controller';
+import { HelloController } from './application/controllers/hello.controller';
 import { UserService } from './domain/services/user.service';
 import { DatabaseModule } from './infrastructure/database/database.module';
 import { modelProviders } from './infrastructure/models';

src/application/__test__/hello.controller.spec.ts

@@ -3,7 +3,7 @@ import { Test } from '@nestjs/testing';
 import { Model } from 'mongoose';
 import { has, cloneDeep } from 'lodash';
 import { TestingModule } from '@nestjs/testing/testing-module';
-import { HelloController } from '@application/controller/hello.controller';
+import { HelloController } from '@application/controllers/hello.controller';
 import { UserService } from '@domain/services/user.service';
 import { UserModel } from '@infrastructure/models/User.model';
 import { User } from '@domain/entities/User';

src/application/controller/hello.controller.ts → src/application/controllers/hello.controller.ts

@@ -1,3 +1,4 @@
+import { LoggerService, Context } from '@domain/services/logger.service';
 import { Controller, Get, Post, Body, UseInterceptors } from '@nestjs/common';
 import { UserService } from '@domain/services/user.service';
 import { CreateUserDto } from '@application/dto/create-user.dto';
@@ -8,20 +9,27 @@ import { LoggingInterceptor } from '@application/interceptors/logging.intercepto
 @Controller()
 @UseInterceptors(LoggingInterceptor)
 export class HelloController {
+  private Log: LoggerService = new LoggerService('createOperation');
   constructor(private readonly userService: UserService) {}
 
   @Get('/hello')
   get(): string {
+    const context: Context = { module: 'HelloController', method: 'get' };
+    this.Log.logger('Hello World!', context);
     return 'Hello World!';
   }
 
   @Get('/all')
   async getAll(): Promise<User[]> {
+    const context: Context = { module: 'HelloController', method: 'getAll' };
+    this.Log.logger('Hello World!', context);
     return await this.userService.find();
   }
 
   @Post('/')
   async create(@Body() user: CreateUserDto): Promise<User> {
+    const context: Context = { module: 'HelloController', method: 'create' };
+    this.Log.logger(user, context);
     return await this.userService.create(user);
   }
 }

src/constants.ts

@@ -4,6 +4,7 @@ dotenv.config();
 export const DB_PROVIDER = 'DbConnectionToken';
 export const USER_MODEL_PROVIDER = 'UserModelProvider';
 export const SERVICE = 'DB_MONGO_SERVICE';
-export const APP_NAME = process.env.APP_NAME || 'mongo.database.service';
+export const APP_NAME = process.env.APP_NAME || 'clean.architecture';
 export const DATABASE_SERVICE = process.env.DATABASE_SERVICE || 'DATABASE_SERVICE';
 export const APP_PORT = process.env.PORT || 4000;
+export const APP_HOST = process.env.APP_HOST || '0.0.0.0';

src/domain/services/logger.service.ts

@@ -1,9 +1,28 @@
-import { LoggerService } from '@nestjs/common';
-
-export class MyLogger implements LoggerService {
-  log(message: string) {}
-  error(message: string, trace: string) {}
-  warn(message: string) {}
-  debug(message: string) {}
-  verbose(message: string) {}
+import { Logger } from '@nestjs/common';
+import { APP_HOST } from '@constants';
+
+export class Context {
+  module: string;
+  method: string;
+}
+
+// tslint:disable-next-line: max-classes-per-file
+export class LoggerService extends Logger {
+  logger(message: any, context?: Context) {
+    const standard = {server: APP_HOST, type: 'INFO', time: Date.now()};
+    const data = {...standard, ...context, message};
+    super.log(data);
+  }
+
+  err(message: any, context: Context) {
+    const standard = {server: APP_HOST, type: 'ERROR', time: Date.now()};
+    const data = {...standard, ...context, message};
+    super.error(data);
+  }
+
+  warning(message: any, context: Context) {
+    const standard = {server: APP_HOST, type: 'WARNING', time: Date.now()};
+    const data = {...standard, ...context, message};
+    super.warn(data);
+  }
 }