From 4284ecfca451380d17b4919493e4b0f4f3658b1f Mon Sep 17 00:00:00 2001
From: jos3duardo <jos3duardolopes@gmail.com>
Date: Sun, 3 Aug 2025 20:58:50 -0400
Subject: [PATCH] Add payment module with DTOs, entity, controller, and service

---
 .../payments/dto/create-payment.dto.ts        |  9 +++++
 .../payments/dto/update-payment.dto.ts        |  4 ++
 .../payments/entities/payment.entity.ts       | 24 ++++++++++++
 src/modules/payments/payments.controller.ts   | 13 +++++++
 src/modules/payments/payments.module.ts       | 20 ++++++++++
 src/modules/payments/payments.service.ts      | 39 +++++++++++++++++++
 6 files changed, 109 insertions(+)
 create mode 100644 src/modules/payments/dto/create-payment.dto.ts
 create mode 100644 src/modules/payments/dto/update-payment.dto.ts
 create mode 100644 src/modules/payments/entities/payment.entity.ts
 create mode 100644 src/modules/payments/payments.controller.ts
 create mode 100644 src/modules/payments/payments.module.ts
 create mode 100644 src/modules/payments/payments.service.ts

diff --git a/src/modules/payments/dto/create-payment.dto.ts b/src/modules/payments/dto/create-payment.dto.ts
new file mode 100644
index 0000000..a29c6be
--- /dev/null
+++ b/src/modules/payments/dto/create-payment.dto.ts
@@ -0,0 +1,9 @@
+import {IsNumber, IsUUID} from "class-validator";
+
+export class CreatePaymentDto {
+    @IsNumber()
+    amount: number;
+
+    @IsUUID()
+    correlationId: string;
+}
diff --git a/src/modules/payments/dto/update-payment.dto.ts b/src/modules/payments/dto/update-payment.dto.ts
new file mode 100644
index 0000000..0293332
--- /dev/null
+++ b/src/modules/payments/dto/update-payment.dto.ts
@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreatePaymentDto } from './create-payment.dto';
+
+export class UpdatePaymentDto extends PartialType(CreatePaymentDto) {}
diff --git a/src/modules/payments/entities/payment.entity.ts b/src/modules/payments/entities/payment.entity.ts
new file mode 100644
index 0000000..0f698f3
--- /dev/null
+++ b/src/modules/payments/entities/payment.entity.ts
@@ -0,0 +1,24 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+
+@Entity('payments')
+export class Payment {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column({ type: 'decimal', precision: 10, scale: 2 })
+  amount: number;
+
+  @Column({ type: 'varchar', name: 'payment_processor' })
+  paymentProcessor: string;
+
+  @Column({ type: 'uuid', name: 'correlation_id', unique: true })
+  correlationId: string;
+
+  @CreateDateColumn({ type: 'timestamp', name: 'created_at' })
+  createdAt: Date;
+}
diff --git a/src/modules/payments/payments.controller.ts b/src/modules/payments/payments.controller.ts
new file mode 100644
index 0000000..9986172
--- /dev/null
+++ b/src/modules/payments/payments.controller.ts
@@ -0,0 +1,13 @@
+import { Body, Controller, Post } from '@nestjs/common';
+import { PaymentsService } from './payments.service';
+import { CreatePaymentDto } from './dto/create-payment.dto';
+
+@Controller('payments')
+export class PaymentsController {
+  constructor(private readonly paymentsService: PaymentsService) {}
+
+  @Post()
+  async payment(@Body() createPaymentDto: CreatePaymentDto) {
+    return this.paymentsService.store(createPaymentDto);
+  }
+}
diff --git a/src/modules/payments/payments.module.ts b/src/modules/payments/payments.module.ts
new file mode 100644
index 0000000..becdbe2
--- /dev/null
+++ b/src/modules/payments/payments.module.ts
@@ -0,0 +1,20 @@
+import { Module } from '@nestjs/common';
+import { PaymentsService } from './payments.service';
+import { PaymentsController } from './payments.controller';
+import { HttpModule } from '@nestjs/axios';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Payment } from './entities/payment.entity';
+import { BullModule } from '@nestjs/bullmq';
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([Payment]),
+    BullModule.registerQueue({
+      name: 'payments',
+    }),
+    HttpModule,
+  ],
+  controllers: [PaymentsController],
+  providers: [PaymentsService],
+})
+export class PaymentsModule {}
diff --git a/src/modules/payments/payments.service.ts b/src/modules/payments/payments.service.ts
new file mode 100644
index 0000000..e0e7b80
--- /dev/null
+++ b/src/modules/payments/payments.service.ts
@@ -0,0 +1,39 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { CreatePaymentDto } from './dto/create-payment.dto';
+import { HttpService } from '@nestjs/axios';
+import { catchError, firstValueFrom } from 'rxjs';
+import { AxiosError } from 'axios';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Payment } from './entities/payment.entity';
+import { Repository } from 'typeorm';
+import { Queue } from 'bullmq';
+import { InjectQueue } from '@nestjs/bullmq';
+
+@Injectable()
+export class PaymentsService {
+  private readonly logger = new Logger(PaymentsService.name);
+
+  constructor(
+    @InjectQueue('payments') private readonly paymentsQueue: Queue,
+    private readonly httpService: HttpService,
+    @InjectRepository(Payment) private readonly repository: Repository<Payment>,
+  ) {}
+
+  async store(createPaymentDto: CreatePaymentDto) {
+    const urlPaymentDefault = 'http://192.168.1.126:8002/payments';
+    const { data } = await firstValueFrom(
+      this.httpService.post(urlPaymentDefault, createPaymentDto).pipe(
+        catchError((error: AxiosError) => {
+          this.logger.error(error?.response);
+          throw 'An error happened!';
+        }),
+      ),
+    );
+    await this.repository.save({
+      ...createPaymentDto,
+      paymentProcessor: 'default',
+    });
+    this.logger.log(data);
+    return data;
+  }
+}