chore: complete the payment service

Dockerfile

@@ -1,6 +1,7 @@
 # Stage 1: Build Stage
 FROM node:22-alpine AS base
 
+RUN npm install -g corepack@latest
 RUN corepack enable && corepack prepare pnpm@latest --activate
 
 # Install tzdata to support timezone settings

package.json

@@ -55,6 +55,7 @@
     "cache-manager": "^6.3.2",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
+    "decimal.js": "^10.5.0",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "handlebars": "^4.7.8",

pnpm-lock.yaml

@@ -86,6 +86,9 @@ importers:
       class-validator:
         specifier: ^0.14.1
         version: 0.14.1
+      decimal.js:
+        specifier: ^10.5.0
+        version: 10.5.0
       dotenv:
         specifier: ^16.4.7
         version: 16.4.7
@@ -2277,6 +2280,9 @@ packages:
       supports-color:
         optional: true
 
+  decimal.js@10.5.0:
+    resolution: {integrity: sha512-8vDa8Qxvr/+d94hSh5P3IJwI5t8/c0KsMp+g8bNw9cY2icONa5aPfvKeieW1WlG0WQYwwhJ7mjui2xtiePQSXw==}
+
   dedent@1.5.3:
     resolution: {integrity: sha512-NHQtfOOW68WD8lgypbLA5oT+Bt0xXJhiYvoR6SmmNXZfpzOGXwdKWmcwG8N7PwVVWV3eF/68nmD9BaJSsTBhyQ==}
     peerDependencies:
@@ -8316,6 +8322,8 @@ snapshots:
     dependencies:
       ms: 2.1.3
 
+  decimal.js@10.5.0: {}
+
   dedent@1.5.3: {}
 
   deep-extend@0.6.0:

src/app.module.ts

@@ -1,13 +1,14 @@
 import { FastifyMulterModule } from "@nest-lab/fastify-multer";
 import { HttpModule } from "@nestjs/axios";
+import { BullModule } from "@nestjs/bullmq";
 import { CacheModule } from "@nestjs/cache-manager";
 import { MiddlewareConsumer, Module, NestModule } from "@nestjs/common";
 import { ConfigModule } from "@nestjs/config";
 import { ThrottlerModule } from "@nestjs/throttler";
 import { TypeOrmModule } from "@nestjs/typeorm";
 
+import { bullMqConfig } from "./configs/bullmq.config";
 import { cacheConfig } from "./configs/cache.config";
-// import { httpConfig } from "./configs/http.config";
 import { rateLimitConfig } from "./configs/rateLimit.config";
 import { databaseConfigs } from "./configs/typeorm.config";
 import { HTTPLogger } from "./core/middlewares/logger.middleware";
@@ -25,6 +26,7 @@ import { WalletsModule } from "./modules/wallets/wallets.module";
 
 @Module({
   imports: [
+    BullModule.forRootAsync(bullMqConfig()),
     ThrottlerModule.forRootAsync(rateLimitConfig()),
     ConfigModule.forRoot({ cache: true, isGlobal: true }),
     CacheModule.registerAsync(cacheConfig()),

src/common/constants/index.ts

@@ -2,7 +2,3 @@
 export const AUTH_THROTTLE_TTL = 5 * 60 * 1000;
 export const AUTH_THROTTLE_LIMIT = 5;
 export const JWT_STRATEGY_NAME = "jwt_Strategy";
-
-export const PAYMENT = Object.freeze({
-  PAYMENT_QUEUE: "payment",
-});

src/common/decorators/inject-queue.decorator.ts

@@ -0,0 +1,5 @@
+import { InjectQueue } from "@nestjs/bullmq";
+
+import { PAYMENT } from "../../modules/payments/constants";
+
+export const InjectPaymentQueue = () => InjectQueue(PAYMENT.PAYMENT_QUEUE_NAME);

src/common/enums/message.enum.ts

@@ -202,6 +202,7 @@ export const enum PaymentMessage {
   PAYMENT_GATEWAY_NOT_FOUND = "درگاه پرداخت یافت نشد",
   ERROR_IN_PROCESS_PAYMENT = "خطا در پردازش پرداخت",
   ERROR_IN_VERIFY_PAYMENT = "خطا در تایید پرداخت",
+  PAYMENT_NOT_FOUND_WITH_REF = "پرداختی با این شناسه یافت نشد",
 }
 
 export const enum SettingMessageEnum {

src/common/transformers/decimal.transformer.ts

@@ -0,0 +1,16 @@
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
+
+export class DecimalTransformer {
+  to(value: Decimal | string | number): string {
+    return new Decimal(value).toString();
+  }
+
+  from(value: string): number {
+    return new Decimal(value).toNumber();
+  }
+}
+
+export function decimal(value: Decimal | number | string): number {
+  return new Decimal(value).toNumber();
+}

src/modules/payments/DTO/deposit-wallet.dto.ts

@@ -2,7 +2,7 @@ import { ApiProperty } from "@nestjs/swagger";
 import { IsEnum, IsInt, IsNotEmpty, IsUUID, IsUrl, Min } from "class-validator";
 
 import { WalletMessage } from "../../../common/enums/message.enum";
-import { GatewayEnum } from "../../payments/enums/gateway.enum";
+import { GatewayEnum } from "../enums/gateway.enum";
 
 export class DepositDto {
   @IsNotEmpty({ message: WalletMessage.AMOUNT_REQUIRED })

src/modules/payments/DTO/verify-payment.dto.ts

@@ -0,0 +1,19 @@
+import { IsEnum, IsNotEmpty } from "class-validator";
+
+import { GatewayEnum } from "../enums/gateway.enum";
+import { GatewayType } from "../types/gateway.type";
+import { GatewayPaymentStatus } from "../types/payment-status.type";
+
+export class VerifyParamDto {
+  @IsNotEmpty()
+  @IsEnum(GatewayEnum)
+  gateway: GatewayType;
+}
+
+export class VerifyQueryDto {
+  @IsNotEmpty()
+  Authority: string;
+
+  @IsNotEmpty()
+  Status: GatewayPaymentStatus;
+}

src/modules/payments/constants/index.ts

@@ -1 +1,6 @@
 export const ZARINPAL_CONFIG = "ZARINPAL_CONFIG";
+
+export const PAYMENT = Object.freeze({
+  PAYMENT_QUEUE_NAME: "payment",
+  PAYMENT_START: "payment_start",
+});

src/modules/payments/entities/payment.entity.ts

@@ -1,15 +1,18 @@
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
 import { Column, Entity, ManyToOne } from "typeorm";
 
 import { PaymentMethod } from "./payment-method.entity";
 import { BaseEntity } from "../../../common/entities/base.entity";
+import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
 import { User } from "../../users/entities/user.entity";
 import { PaymentStatus } from "../enums/payment-status.enum";
 import { PaymentType } from "../enums/payment-type.enum";
 
 @Entity()
 export class Payment extends BaseEntity {
-  @Column({ type: "decimal", precision: 10, scale: 2 })
-  amount: number;
+  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
+  amount: Decimal;
 
   @Column({ type: "varchar", length: 150, nullable: false })
   reference: string;

src/modules/payments/gateways/zarinpal.gateway.ts

@@ -66,11 +66,14 @@ export class ZarinpalGateway implements IPaymentGateway {
   //********************************** */
   async verifyPayment(verifyParams: IPaymentVerifyParams) {
     try {
-      const verifyData = { authority: verifyParams.reference, amount: verifyParams.amount, merchant_id: this.config.merchantId };
-
+      const verifyData = {
+        authority: verifyParams.reference,
+        amount: verifyParams.amount,
+        merchant_id: this.config.merchantId,
+      };
       const { data } = await firstValueFrom(
         this.httpService
-          .post<ZarinPalPGVerifyData>(`${this.config.gatewayApiUrl}/v4/payment/verify.json`, verifyData, { headers: this.requestHeader })
+          .post<ZarinPalPGVerifyData>(`${this.gatewayApiUrl}/v4/payment/verify.json`, verifyData, { headers: this.requestHeader })
           .pipe(
             catchError((err: AxiosError) => {
               this.logger.error(err);
@@ -89,6 +92,7 @@ export class ZarinpalGateway implements IPaymentGateway {
         fee: data.data.fee,
       };
     } catch (error) {
+      console.error({ error });
       this.logger.error(error);
       throw new InternalServerErrorException(PaymentMessage.ERROR_IN_VERIFY_PAYMENT);
     }

src/modules/payments/interfaces/IPayment.ts

@@ -1,5 +1,8 @@
 //------------------ process payment -------------------------
 
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
+
 export interface IProcessPaymentParams {
   amount: number;
   description: string;
@@ -22,8 +25,9 @@ export interface IPaymentVerifyData {
 }
 
 export interface IPaymentVerifyParams {
-  amount: number;
+  amount: Decimal;
   reference: string;
+  // status: GatewayPaymentStatus;
 }
 
 //--------------------- zarinpal --------------------------------

src/modules/payments/payments.controller.ts

@@ -1,8 +1,13 @@
-import { Controller, Get } from "@nestjs/common";
+import { Body, Controller, Get, Param, Post, Query } from "@nestjs/common";
 import { ApiOperation, ApiTags } from "@nestjs/swagger";
 
+import { GatewayDepositDto } from "./DTO/deposit-wallet.dto";
+import { VerifyParamDto, VerifyQueryDto } from "./DTO/verify-payment.dto";
 import { PaymentsService } from "./providers/payments.service";
 import { AuthGuards } from "../../common/decorators/auth-guard.decorator";
+import { Roles } from "../../common/decorators/roles.decorator";
+import { UserDec } from "../../common/decorators/user.decorator";
+import { RoleEnum } from "../users/enums/role.enum";
 
 @Controller("payments")
 @ApiTags("Payments")
@@ -16,6 +21,16 @@ export class PaymentsController {
     return this.paymentsService.getAvailableGateways();
   }
 
-  @Get("verify")
-  verifyPayment() {}
+  @ApiOperation({ summary: "Charge wallet ==> user route" })
+  @AuthGuards()
+  @Roles(RoleEnum.USER)
+  @Post("deposit/gateway")
+  chargeWalletWithGateway(@Body() chargeDto: GatewayDepositDto, @UserDec("id") userId: string) {
+    return this.paymentsService.chargeWalletWithGateway(chargeDto, userId);
+  }
+
+  @Get("verify/:gateway")
+  verifyPayment(@Param() paramDto: VerifyParamDto, @Query() queryDto: VerifyQueryDto) {
+    return this.paymentsService.verifyPayment(paramDto.gateway, queryDto);
+  }
 }

src/modules/payments/payments.module.ts

@@ -1,7 +1,8 @@
+import { BullModule } from "@nestjs/bullmq";
 import { Module } from "@nestjs/common";
 import { TypeOrmModule } from "@nestjs/typeorm";
 
-import { ZARINPAL_CONFIG } from "./constants";
+import { PAYMENT, ZARINPAL_CONFIG } from "./constants";
 import { BankAccount } from "./entities/bank-account.entity";
 import { PaymentMethod } from "./entities/payment-method.entity";
 import { Payment } from "./entities/payment.entity";
@@ -9,12 +10,18 @@ import { PaymentGatewayFactory } from "./factories/payment.factory";
 import { ZarinpalGateway } from "./gateways/zarinpal.gateway";
 import { PaymentsController } from "./payments.controller";
 import { PaymentsService } from "./providers/payments.service";
+import { PaymentProcessor } from "./queue/payment.processor";
 import { BankAccountsRepository } from "./repositories/bank-accounts.repository";
 import { PaymentsRepository } from "./repositories/payments.repository";
 import { zarinpalConfig } from "../../configs/zarinpal.config";
+import { WalletsModule } from "../wallets/wallets.module";
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Payment, PaymentMethod, BankAccount])],
+  imports: [
+    TypeOrmModule.forFeature([Payment, PaymentMethod, BankAccount]),
+    BullModule.registerQueue({ name: PAYMENT.PAYMENT_QUEUE_NAME }),
+    WalletsModule,
+  ],
   controllers: [PaymentsController],
   providers: [
     PaymentsService,
@@ -22,6 +29,7 @@ import { zarinpalConfig } from "../../configs/zarinpal.config";
     ZarinpalGateway,
     PaymentsRepository,
     BankAccountsRepository,
+    PaymentProcessor,
     {
       provide: ZARINPAL_CONFIG,
       useFactory: zarinpalConfig().useFactory,

src/modules/payments/providers/payments.service.ts

@@ -1,27 +1,138 @@
-import { Injectable } from "@nestjs/common";
-import { QueryRunner } from "typeorm";
+import { InjectQueue } from "@nestjs/bullmq";
+import { BadRequestException, HttpException, Injectable, InternalServerErrorException } from "@nestjs/common";
+import { Queue } from "bullmq";
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
+import { DataSource, QueryRunner } from "typeorm";
 
-import { WalletMessage } from "../../../common/enums/message.enum";
+import { PaymentMessage, WalletMessage } from "../../../common/enums/message.enum";
 import { User } from "../../users/entities/user.entity";
+import { Wallet } from "../../wallets/entities/wallet.entity";
+import { WalletsService } from "../../wallets/providers/wallets.service";
+import { PAYMENT } from "../constants";
+import { GatewayDepositDto } from "../DTO/deposit-wallet.dto";
+import { VerifyQueryDto } from "../DTO/verify-payment.dto";
 import { PaymentMethod } from "../entities/payment-method.entity";
 import { Payment } from "../entities/payment.entity";
+import { PaymentStatus } from "../enums/payment-status.enum";
 import { PaymentType } from "../enums/payment-type.enum";
 import { PaymentGatewayFactory } from "../factories/payment.factory";
-// import { PaymentsRepository } from "../repositories/payments.repository";
+import { PaymentsRepository } from "../repositories/payments.repository";
 import { GatewayType } from "../types/gateway.type";
 
 @Injectable()
 export class PaymentsService {
   constructor(
+    @InjectQueue(PAYMENT.PAYMENT_QUEUE_NAME) private readonly paymentQueue: Queue,
     private readonly gatewayFactory: PaymentGatewayFactory,
-    // private readonly paymentsRepository: PaymentsRepository,
+    private readonly paymentsRepository: PaymentsRepository,
+    private readonly walletsService: WalletsService,
+    private dataSource: DataSource,
   ) {}
+
+  //*********************************** */
+  async chargeWalletWithGateway(chargeDto: GatewayDepositDto, userId: string) {
+    const queryRunner = this.dataSource.createQueryRunner();
+    await queryRunner.connect();
+    await queryRunner.startTransaction();
+    try {
+      const { amount, gateway } = chargeDto;
+      const wallet = await queryRunner.manager.findOne(Wallet, { where: { user: { id: userId } }, relations: ["user"] });
+      if (!wallet) throw new BadRequestException(WalletMessage.WALLET_NOT_FOUND);
+
+      const gatewayData = await this.processPayment(
+        gateway,
+        amount,
+        WalletMessage.DEPOSIT_WALLET_IPG,
+        wallet.user.email,
+        wallet.user.phone,
+      );
+
+      const payment = await this.createPaymentForUser(wallet.user, amount, gatewayData.reference, gateway, queryRunner);
+
+      await queryRunner.commitTransaction();
+      return {
+        payment,
+        ...gatewayData,
+      };
+    } catch (error) {
+      await queryRunner.rollbackTransaction();
+      if (error instanceof HttpException) throw error;
+      throw new InternalServerErrorException(WalletMessage.ERROR_IN_CHARGE_WALLET);
+    } finally {
+      await queryRunner.release();
+    }
+  }
   //*********************************** */
   //*********************************** */
   async processPayment(provider: GatewayType, amount: number, description: string, email?: string, mobile?: string) {
     const paymentGateway = this.gatewayFactory.getPaymentGateway(provider);
     return paymentGateway.processPayment({ amount, description, email, mobile });
   }
+
+  //*********************************** */
+  //*********************************** */
+  async verifyPayment(gateway: GatewayType, queryDto: VerifyQueryDto) {
+    const queryRunner = this.dataSource.createQueryRunner();
+    await queryRunner.connect();
+    await queryRunner.startTransaction();
+
+    try {
+      const paymentGateway = this.gatewayFactory.getPaymentGateway(gateway);
+      const payment = await queryRunner.manager.findOne(Payment, {
+        where: { reference: queryDto.Authority },
+        relations: ["user"],
+        // lock: { mode: "pessimistic_write" },
+      });
+      if (!payment) throw new BadRequestException(PaymentMessage.PAYMENT_NOT_FOUND_WITH_REF);
+      if (payment.status === PaymentStatus.COMPLETED) {
+        return {
+          message: "completed before",
+        };
+      }
+
+      if (queryDto.Status !== "OK") {
+        await this.handleFailedPayment(payment.id, queryRunner);
+        await queryRunner.commitTransaction();
+        return { message: "nok" };
+      }
+      const verifyData = await paymentGateway.verifyPayment({ reference: queryDto.Authority, amount: payment.amount });
+      //
+      if (verifyData.code === 100) {
+        const transaction = await this.handleSuccessfulPayment(
+          payment.id,
+          payment.user.id,
+          payment.amount,
+          `${verifyData.ref_id}`,
+          queryRunner,
+        );
+        await queryRunner.commitTransaction();
+        return {
+          message: "success",
+          transaction,
+        };
+      }
+
+      if (verifyData.code === 101) {
+        await queryRunner.commitTransaction();
+
+        return {
+          message: "not valid payment",
+        };
+      }
+
+      await this.handleFailedPayment(payment.id, queryRunner);
+      await queryRunner.commitTransaction();
+
+      return { message: "nok" };
+    } catch (error) {
+      await queryRunner.rollbackTransaction();
+      throw error;
+    } finally {
+      await queryRunner.release();
+    }
+  }
+
   //*********************************** */
   //*********************************** */
   async createPaymentForUser(user: User, amount: number, reference: string, gateway: GatewayType, queryRunner: QueryRunner) {
@@ -39,8 +150,9 @@ export class PaymentsService {
       user,
       paymentMethod,
     });
-
     await queryRunner.manager.save(Payment, payment);
+    this.paymentQueue.add(PAYMENT.PAYMENT_START, { payment }, { delay: 1000 });
+
     return payment;
   }
   //*********************************** */
@@ -48,4 +160,25 @@ export class PaymentsService {
   async getAvailableGateways() {
     return this.gatewayFactory.getAvailablePaymentGateways();
   }
+  //*********************************** */
+  //*********************************** */
+  async getPaymentWithReference(reference: string) {
+    const payment = await this.paymentsRepository.findOneWithReference(reference);
+    if (!payment) throw new BadRequestException(PaymentMessage.PAYMENT_NOT_FOUND_WITH_REF);
+
+    return { payment };
+  }
+
+  //*********************************** */
+  //*********************************** */
+  async handleFailedPayment(paymentId: string, queryRunner: QueryRunner) {
+    await queryRunner.manager.update(Payment, { id: paymentId }, { status: PaymentStatus.CANCELLED });
+  }
+
+  //*********************************** */
+  async handleSuccessfulPayment(paymentId: string, userId: string, amount: Decimal, transactionId: string, queryRunner: QueryRunner) {
+    await queryRunner.manager.update(Payment, { id: paymentId }, { status: PaymentStatus.COMPLETED, transactionId });
+    const transaction = await this.walletsService.createPaymentTransaction(userId, amount, queryRunner);
+    return transaction;
+  }
 }

src/modules/payments/queue/payment.processor.ts

@@ -2,10 +2,10 @@ import { Processor } from "@nestjs/bullmq";
 import { Logger } from "@nestjs/common";
 import { Job } from "bullmq";
 
-import { PAYMENT } from "../../../common/constants";
 import { WorkerProcessor } from "../../../common/queues/worker.processor";
+import { PAYMENT } from "../constants";
 
-@Processor(PAYMENT.PAYMENT_QUEUE)
+@Processor(PAYMENT.PAYMENT_QUEUE_NAME)
 export class PaymentProcessor extends WorkerProcessor {
   protected readonly logger = new Logger(PaymentProcessor.name);
 

src/modules/payments/repositories/payments.repository.ts

@@ -9,4 +9,8 @@ export class PaymentsRepository extends Repository<Payment> {
   constructor(@InjectRepository(Payment) paymentsRepository: Repository<Payment>) {
     super(paymentsRepository.target, paymentsRepository.manager, paymentsRepository.queryRunner);
   }
+
+  async findOneWithReference(reference: string): Promise<Payment | null> {
+    return this.findOneBy({ reference });
+  }
 }

src/modules/payments/types/payment-status.type.ts

@@ -0,0 +1 @@
+export type GatewayPaymentStatus = "OK" | "NOK";

src/modules/wallets/entities/transaction.entity.ts

@@ -1,16 +1,22 @@
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
 import { Column, Entity, ManyToOne } from "typeorm";
 
 import { Wallet } from "./wallet.entity";
 import { BaseEntity } from "../../../common/entities/base.entity";
+import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
 import { TransactionType } from "../enums/transaction-type.enum";
 
 @Entity()
 export class WalletTransaction extends BaseEntity {
+  @Column({ type: "int", generated: "identity", insert: false })
+  numericId: number;
+
   @ManyToOne(() => Wallet, (wallet) => wallet.transactions, { onDelete: "CASCADE", nullable: false })
   wallet: Wallet;
 
-  @Column({ type: "decimal", precision: 10, scale: 2, nullable: false })
-  amount: number;
+  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
+  amount: Decimal;
 
   @Column({ type: "enum", enum: TransactionType, nullable: false })
   type: TransactionType;

src/modules/wallets/entities/wallet.entity.ts

@@ -1,7 +1,10 @@
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
 import { Column, Entity, JoinColumn, OneToMany, OneToOne } from "typeorm";
 
 import { WalletTransaction } from "./transaction.entity";
 import { BaseEntity } from "../../../common/entities/base.entity";
+import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
 import { User } from "../../users/entities/user.entity";
 
 @Entity()
@@ -10,8 +13,8 @@ export class Wallet extends BaseEntity {
   @JoinColumn()
   user: User;
 
-  @Column({ type: "decimal", precision: 10, scale: 2, default: 0 })
-  balance: number;
+  @Column({ type: "decimal", precision: 16, scale: 2, default: 0, transformer: new DecimalTransformer() })
+  balance: Decimal;
 
   @OneToMany(() => WalletTransaction, (transaction) => transaction.wallet)
   transactions: WalletTransaction[];

src/modules/wallets/providers/wallets.service.ts

@@ -1,19 +1,17 @@
-import { BadRequestException, HttpException, Injectable, InternalServerErrorException } from "@nestjs/common";
-import { DataSource, QueryRunner } from "typeorm";
+import { BadRequestException, Injectable } from "@nestjs/common";
+// eslint-disable-next-line import/no-named-as-default
+import Decimal from "decimal.js";
+import { QueryRunner } from "typeorm";
 
 import { WalletMessage } from "../../../common/enums/message.enum";
-import { PaymentsService } from "../../payments/providers/payments.service";
-import { GatewayDepositDto } from "../DTO/deposit-wallet.dto";
+import { WalletTransaction } from "../entities/transaction.entity";
 import { Wallet } from "../entities/wallet.entity";
+import { TransactionType } from "../enums/transaction-type.enum";
 import { WalletsRepository } from "../repositories/wallets.repository";
 
 @Injectable()
 export class WalletsService {
-  constructor(
-    private readonly walletsRepository: WalletsRepository,
-    private readonly paymentsService: PaymentsService,
-    private readonly dataSource: DataSource,
-  ) {}
+  constructor(private readonly walletsRepository: WalletsRepository) {}
 
   //*********************************** */
   async getBalance(userId: string) {
@@ -24,41 +22,6 @@ export class WalletsService {
       balance: wallet.balance,
     };
   }
-  //*********************************** */
-  async chargeWalletWithGateway(chargeDto: GatewayDepositDto, userId: string) {
-    const queryRunner = this.dataSource.createQueryRunner();
-    await queryRunner.connect();
-    await queryRunner.startTransaction();
-    try {
-      const { amount, gateway } = chargeDto;
-      const wallet = await queryRunner.manager.findOne(Wallet, { where: { user: { id: userId } }, relations: ["user"] });
-      if (!wallet) throw new BadRequestException(WalletMessage.WALLET_NOT_FOUND);
-
-      const gatewayData = await this.paymentsService.processPayment(
-        gateway,
-        amount,
-        WalletMessage.DEPOSIT_WALLET_IPG,
-        wallet.user.email,
-        wallet.user.phone,
-      );
-
-      console.log(gatewayData);
-
-      const payment = await this.paymentsService.createPaymentForUser(wallet.user, amount, gatewayData.reference, gateway, queryRunner);
-
-      await queryRunner.commitTransaction();
-      return {
-        payment,
-        ...gatewayData,
-      };
-    } catch (error) {
-      await queryRunner.rollbackTransaction();
-      if (error instanceof HttpException) throw error;
-      throw new InternalServerErrorException(WalletMessage.ERROR_IN_CHARGE_WALLET);
-    } finally {
-      await queryRunner.release();
-    }
-  }
 
   //*********************************** */
   async createUserWallet(userId: string, queryRunner: QueryRunner) {
@@ -67,4 +30,24 @@ export class WalletsService {
     //
     return wallet;
   }
+  //*********************************** */
+  async createPaymentTransaction(userId: string, amount: Decimal, queryRunner: QueryRunner) {
+    const wallet = await queryRunner.manager.findOne(Wallet, { where: { user: { id: userId } }, lock: { mode: "pessimistic_write" } });
+    if (!wallet) throw new BadRequestException(WalletMessage.WALLET_NOT_FOUND);
+
+    const transaction = queryRunner.manager.create(WalletTransaction, {
+      amount,
+      wallet,
+      type: TransactionType.DEPOSIT,
+      description: WalletMessage.DEPOSIT_WALLET_IPG,
+    });
+
+    wallet.balance = new Decimal(wallet.balance).add(transaction.amount);
+
+    await queryRunner.manager.save(Wallet, wallet);
+    await queryRunner.manager.save(WalletTransaction, transaction);
+
+    return transaction;
+  }
+  //*********************************** */
 }

src/modules/wallets/wallets.controller.ts

@@ -1,7 +1,6 @@
-import { Body, Controller, Get, Post } from "@nestjs/common";
+import { Controller, Get } from "@nestjs/common";
 import { ApiOperation, ApiTags } from "@nestjs/swagger";
 
-import { GatewayDepositDto } from "./DTO/deposit-wallet.dto";
 import { WalletsService } from "./providers/wallets.service";
 import { AuthGuards } from "../../common/decorators/auth-guard.decorator";
 import { Roles } from "../../common/decorators/roles.decorator";
@@ -21,11 +20,9 @@ export class WalletsController {
     return this.walletsService.getBalance(userId);
   }
 
-  @ApiOperation({ summary: "Charge wallet ==> user route" })
+  @ApiOperation({ summary: "get wallet transactions" })
   @AuthGuards()
   @Roles(RoleEnum.USER)
-  @Post("deposit/gateway")
-  chargeWalletWithGateway(@Body() chargeDto: GatewayDepositDto, @UserDec("id") userId: string) {
-    return this.walletsService.chargeWalletWithGateway(chargeDto, userId);
-  }
+  @Get("transactions")
+  getTransactions() {}
 }

src/modules/wallets/wallets.module.ts

@@ -7,10 +7,9 @@ import { WalletsService } from "./providers/wallets.service";
 import { WalletTransactionsRepository } from "./repositories/wallet-transactions.repository";
 import { WalletsRepository } from "./repositories/wallets.repository";
 import { WalletsController } from "./wallets.controller";
-import { PaymentsModule } from "../payments/payments.module";
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Wallet, WalletTransaction]), PaymentsModule],
+  imports: [TypeOrmModule.forFeature([Wallet, WalletTransaction])],
   providers: [WalletsService, WalletsRepository, WalletTransactionsRepository],
   controllers: [WalletsController],
   exports: [WalletsService],