55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
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import { BadRequestException, Injectable } from '@nestjs/common';
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import { StudentService } from 'src/alumno/student.service';
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import { DetalleServicioService } from 'src/detalle_servicio/detalle_servicio.service';
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import { DataSource } from 'typeorm';
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import { chargePrintDto } from './dto/operations.dto';
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import { CreateDetalleServicioDto } from 'src/detalle_servicio/dto/create-detalle_servicio.dto';
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@Injectable()
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export class OperationsService {
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constructor(
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private readonly dataSource: DataSource,
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private readonly studentService: StudentService,
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private readonly detalleServicioService: DetalleServicioService,
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) {}
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async chargePrint(data: chargePrintDto, userId: number) {
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const { monto, id_cuenta } = data;
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const queryRunner = this.dataSource.createQueryRunner();
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await queryRunner.connect();
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await queryRunner.startTransaction();
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try {
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const credit = await this.studentService.GetCredit(id_cuenta);
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if (credit < monto) {
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throw new BadRequestException('Crédito insuficiente');
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}
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const detalleData: CreateDetalleServicioDto = {
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...data,
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id_servicio: 1,
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id_usuario: userId,
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fecha_operacion: new Date(),
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};
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await this.detalleServicioService.Create(detalleData, queryRunner.manager);
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await this.studentService.UpdateCredit(
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id_cuenta,
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monto,
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queryRunner.manager,
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);
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await queryRunner.commitTransaction();
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return { message: 'correct' };
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} catch (error) {
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await queryRunner.rollbackTransaction();
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return { message: 'error', error: error.message };
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} finally {
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await queryRunner.release();
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}
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}
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}
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