Use nest's logger instead of console.log

src/api/admin/admin.service.ts

@@ -3,6 +3,7 @@ import {
   HttpStatus,
   NotFoundException,
   BadRequestException,
+  Logger,
 } from '@nestjs/common';
 
 import { PrismaPromise } from '@prisma/client';
@@ -21,6 +22,8 @@ import { WinningUpdateRequestDto } from './dto/winnings.dto';
  */
 @Injectable()
 export class AdminService {
+  private readonly logger = new Logger(AdminService.name);
+
   /**
    * Constructs the admin winning service with the given dependencies.
    * @param prisma the prisma service.
@@ -279,7 +282,7 @@ export class AdminService {
       ) {
         throw error;
       }
-      console.error('Updating winnings failed', error);
+      this.logger.error('Updating winnings failed', error);
       const message = 'Updating winnings failed. ' + error;
       result.error = {
         code: HttpStatus.INTERNAL_SERVER_ERROR,
@@ -477,7 +480,7 @@ export class AdminService {
         createdAt: item.created_at,
       }));
     } catch (error) {
-      console.error('Getting winnings audit failed', error);
+      this.logger.error('Getting winnings audit failed', error);
       const message = 'Searching winnings failed. ' + error;
       result.error = {
         code: HttpStatus.INTERNAL_SERVER_ERROR,
@@ -536,7 +539,7 @@ export class AdminService {
         externalTransactionDetails: {},
       }));
     } catch (error) {
-      console.error('Getting winnings audit failed', error);
+      this.logger.error('Getting winnings audit failed', error);
       const message = 'Searching winnings failed. ' + error;
       result.error = {
         code: HttpStatus.INTERNAL_SERVER_ERROR,

src/api/health-check/healthCheck.controller.ts

@@ -1,4 +1,10 @@
-import { Controller, Get, Version, VERSION_NEUTRAL } from '@nestjs/common';
+import {
+  Controller,
+  Get,
+  Logger,
+  Version,
+  VERSION_NEUTRAL,
+} from '@nestjs/common';
 import { ApiOperation, ApiProperty, ApiTags } from '@nestjs/swagger';
 import { Public } from 'src/core/auth/decorators';
 import { PrismaService } from 'src/shared/global/prisma.service';
@@ -26,6 +32,8 @@ export class GetHealthCheckResponseDto {
 @ApiTags('Healthcheck')
 @Controller()
 export class HealthCheckController {
+  private readonly logger = new Logger(HealthCheckController.name);
+
   constructor(private readonly prisma: PrismaService) {}
 
   @Public()
@@ -45,7 +53,7 @@ export class HealthCheckController {
       response.status = HealthCheckStatus.healthy;
       response.database = 'connected';
     } catch (error) {
-      console.error('Health check failed', error);
+      this.logger.error('Health check failed', error);
       response.status = HealthCheckStatus.unhealthy;
     }
 

src/api/repository/winnings.repo.ts

@@ -1,4 +1,4 @@
-import { HttpStatus, Injectable } from '@nestjs/common';
+import { HttpStatus, Injectable, Logger } from '@nestjs/common';
 import {
   payment_status,
   Prisma,
@@ -20,6 +20,8 @@ const ONE_DAY = 24 * 60 * 60 * 1000;
 
 @Injectable()
 export class WinningsRepository {
+  private readonly logger = new Logger(WinningsRepository.name);
+
   constructor(private readonly prisma: PrismaService) {}
 
   private generateFilterDate(date: DateFilterType) {
@@ -243,7 +245,7 @@ export class WinningsRepository {
       };
       // response.data = winnings as any
     } catch (error) {
-      console.error('Searching winnings failed', error);
+      this.logger.error('Searching winnings failed', error);
       const message = 'Searching winnings failed. ' + error;
       result.error = {
         code: HttpStatus.INTERNAL_SERVER_ERROR,

src/api/wallet/wallet.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, HttpStatus } from '@nestjs/common';
+import { Injectable, HttpStatus, Logger } from '@nestjs/common';
 
 import { PrismaService } from 'src/shared/global/prisma.service';
 
@@ -13,6 +13,8 @@ import { PaymentMethodRepository } from '../repository/paymentMethod.repo';
  */
 @Injectable()
 export class WalletService {
+  private readonly logger = new Logger(WalletService.name);
+
   /**
    * Constructs the admin winning service with the given dependencies.
    * @param prisma the prisma service.
@@ -60,16 +62,16 @@ export class WalletService {
           ],
         },
         withdrawalMethod: {
-          isSetupComplete: hasVerifiedPaymentMethod,
+          isSetupComplete: Boolean(hasVerifiedPaymentMethod),
         },
         taxForm: {
-          isSetupComplete: hasActiveTaxForm,
+          isSetupComplete: Boolean(hasActiveTaxForm),
         },
       };
 
       result.data = winningTotals;
     } catch (error) {
-      console.error('Getting winnings audit failed', error);
+      this.logger.error('Getting winnings audit failed', error);
       const message = 'Searching winnings failed. ' + error;
       result.error = {
         code: HttpStatus.INTERNAL_SERVER_ERROR,

src/api/webhooks/trolley/handlers/recipient-account.handler.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, Logger } from '@nestjs/common';
 import { WebhookEvent } from '../../webhooks.decorators';
 import { PrismaService } from 'src/shared/global/prisma.service';
 import {
@@ -11,6 +11,8 @@ import { PaymentsService } from 'src/shared/payments';
 
 @Injectable()
 export class RecipientAccountHandler {
+  private readonly logger = new Logger(RecipientAccountHandler.name);
+
   constructor(
     private readonly prisma: PrismaService,
     private readonly paymentsService: PaymentsService,
@@ -32,7 +34,7 @@ export class RecipientAccountHandler {
     });
 
     if (!recipient) {
-      console.error(
+      this.logger.error(
         `Recipient not found for recipientId '${recipientId}' while updating user payment method!`,
       );
       return;
@@ -84,7 +86,7 @@ export class RecipientAccountHandler {
     });
 
     if (!recipient) {
-      console.error(
+      this.logger.error(
         `Recipient not found for recipientId '${recipientId}' while updating user payment method!`,
       );
       return;
@@ -155,7 +157,7 @@ export class RecipientAccountHandler {
       });
 
     if (!recipientPaymentMethod) {
-      console.info(
+      this.logger.log(
         `Recipient payment method not found for recipient account id '${payload.id}' while deleting trolley payment method!`,
       );
       return;

src/api/webhooks/trolley/handlers/tax-form.handler.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, Logger } from '@nestjs/common';
 import { WebhookEvent } from '../../webhooks.decorators';
 import { PrismaService } from 'src/shared/global/prisma.service';
 import { tax_form_status, trolley_recipient } from '@prisma/client';
@@ -12,6 +12,8 @@ import {
 
 @Injectable()
 export class TaxFormHandler {
+  private readonly logger = new Logger(TaxFormHandler.name);
+
   constructor(
     private readonly prisma: PrismaService,
     private readonly paymentsService: PaymentsService,
@@ -95,7 +97,7 @@ export class TaxFormHandler {
     const recipient = await this.getDbRecipientById(taxFormData.recipientId);
 
     if (!recipient) {
-      console.error(
+      this.logger.error(
         `Recipient not found for recipientId '${taxFormData.recipientId}' in taxForm with id '${taxFormData.taxFormId}'`,
       );
       return;

src/api/webhooks/webhooks.controller.ts

@@ -4,6 +4,7 @@ import {
   Req,
   RawBodyRequest,
   ForbiddenException,
+  Logger,
 } from '@nestjs/common';
 import { ApiTags } from '@nestjs/swagger';
 import { TrolleyHeaders, TrolleyService } from './trolley/trolley.service';
@@ -13,6 +14,8 @@ import { Public } from 'src/core/auth/decorators';
 @ApiTags('Webhooks')
 @Controller('webhooks')
 export class WebhooksController {
+  private readonly logger = new Logger(WebhooksController.name);
+
   constructor(private readonly trolleyService: TrolleyService) {}
 
   /**
@@ -34,12 +37,16 @@ export class WebhooksController {
         request.rawBody?.toString('utf-8') ?? '',
       )
     ) {
+      this.logger.warn(
+        'Received request with missing or invalid signature!',
+        request.headers,
+      );
       throw new ForbiddenException('Missing or invalid signature!');
     }
 
     // do not proceed any further if event has already been processed
     if (!(await this.trolleyService.validateUnique(request.headers))) {
-      console.info(
+      this.logger.warn(
         `Webhook event '${request.headers[TrolleyHeaders.id]}' has already been processed!`,
       );
       return;

src/api/winnings/winnings.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, HttpStatus } from '@nestjs/common';
+import { Injectable, HttpStatus, Logger } from '@nestjs/common';
 import { Prisma, payment, payment_status } from '@prisma/client';
 
 import { PrismaService } from 'src/shared/global/prisma.service';
@@ -15,6 +15,8 @@ import { PaymentMethodRepository } from '../repository/paymentMethod.repo';
  */
 @Injectable()
 export class WinningsService {
+  private readonly logger = new Logger(WinningsService.name);
+
   /**
    * Constructs the admin winning service with the given dependencies.
    * @param prisma the prisma service.
@@ -42,6 +44,8 @@ export class WinningsService {
       const originId = await this.originRepo.getOriginIdByName(body.origin, tx);
 
       if (!originId) {
+        this.logger.warn('Invalid origin provided', { originId });
+
         result.error = {
           code: HttpStatus.BAD_REQUEST,
           message: 'Origin name does not exist',

src/core/auth/middleware/tokenValidator.middleware.ts

@@ -1,11 +1,14 @@
 import {
   Injectable,
+  Logger,
   NestMiddleware,
   UnauthorizedException,
 } from '@nestjs/common';
 import * as jwt from 'jsonwebtoken';
 import { ENV_CONFIG } from 'src/config';
 
+const logger = new Logger(`Auth/TokenValidatorMiddleware`);
+
 @Injectable()
 export class TokenValidatorMiddleware implements NestMiddleware {
   use(req: any, res: Response, next: (error?: any) => void) {
@@ -19,7 +22,7 @@ export class TokenValidatorMiddleware implements NestMiddleware {
     try {
       decoded = jwt.verify(idToken, ENV_CONFIG.AUTH0_CERT);
     } catch (error) {
-      console.error('Error verifying JWT', error);
+      logger.error('Error verifying JWT', error);
       throw new UnauthorizedException('Invalid or expired JWT!');
     }
 

src/main.ts

@@ -1,7 +1,7 @@
 import cors from 'cors';
 import { NestFactory } from '@nestjs/core';
 import { NestExpressApplication } from '@nestjs/platform-express';
-import { ValidationPipe } from '@nestjs/common';
+import { Logger, ValidationPipe } from '@nestjs/common';
 import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
 import { ApiModule } from './api/api.module';
 import { AppModule } from './app.module';
@@ -18,6 +18,8 @@ async function bootstrap() {
     rawBody: true,
   });
 
+  const logger = new Logger('bootstrap()');
+
   // Global prefix for all routes
   app.setGlobalPrefix(ENV_CONFIG.API_BASE);
 
@@ -70,12 +72,12 @@ async function bootstrap() {
 
   // Add an event handler to log uncaught promise rejections and prevent the server from crashing
   process.on('unhandledRejection', (reason, promise) => {
-    console.error('Unhandled Rejection at:', promise, 'reason:', reason);
+    logger.error('Unhandled Rejection at:', promise, 'reason:', reason);
   });
 
   // Add an event handler to log uncaught errors and prevent the server from crashing
   process.on('uncaughtException', (error: Error) => {
-    console.error(
+    logger.error(
       `Unhandled Error at: ${error}\n` + `Exception origin: ${error.stack}`,
     );
   });

src/shared/global/prisma.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, OnModuleInit } from '@nestjs/common';
+import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import { Prisma, PrismaClient } from '@prisma/client';
 
 @Injectable()
@@ -9,6 +9,8 @@ export class PrismaService
   >
   implements OnModuleInit
 {
+  private readonly logger = new Logger(PrismaService.name);
+
   constructor() {
     super({
       log: [
@@ -18,9 +20,43 @@ export class PrismaService
         { level: 'error', emit: 'event' },
       ],
     });
+
+    // Setup logging for Prisma queries and errors
+    this.$on('query' as never, (e: Prisma.QueryEvent) => {
+      const queryTime = e.duration;
+
+      // log slow queries (> 500ms)
+      if (queryTime > 500) {
+        this.logger.warn(
+          `Slow query detected! Duration: ${queryTime}ms | Query: ${e.query}`,
+        );
+      }
+    });
+
+    this.$on('info' as never, (e: Prisma.LogEvent) => {
+      this.logger.log(`Prisma Info: ${e.message}`);
+    });
+
+    this.$on('warn' as never, (e: Prisma.LogEvent) => {
+      this.logger.warn(`Prisma Warning: ${e.message}`);
+    });
+
+    this.$on('error' as never, (e: Prisma.LogEvent) => {
+      this.logger.error(`Prisma Error: ${e.message}`, e.target);
+    });
   }
 
   async onModuleInit() {
-    await this.$connect();
+    this.logger.log('Initializing Prisma connection');
+    try {
+      await this.$connect();
+      this.logger.log('Prisma connected successfully');
+    } catch (error) {
+      this.logger.error(
+        `Failed to connect to the database: ${error.message}`,
+        error.stack,
+      );
+      throw error;
+    }
   }
 }