71 lines
2.2 KiB
TypeScript
71 lines
2.2 KiB
TypeScript
import {
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ConflictException,
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Injectable,
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NotFoundException,
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} from '@nestjs/common';
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import { InjectRepository } from '@nestjs/typeorm';
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import { Repository } from 'typeorm';
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import { CarreraPrograma } from './entity/carrera-programa.entity';
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import { CarreraService } from '../carrera/carrera.service';
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import { ProgramaService } from '../programa/programa.service';
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@Injectable()
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export class CarreraProgramaService {
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constructor(
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@InjectRepository(CarreraPrograma)
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private repository: Repository<CarreraPrograma>,
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private carreraService: CarreraService,
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private programaService: ProgramaService,
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) {}
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async create(id_carrera: number, id_programa: number) {
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const carrera = await this.carreraService.findById(id_carrera);
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const programa = await this.programaService.findById(id_programa);
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const nuevoCarreraPrograma = this.repository.create({
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carrera,
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programa,
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});
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return this.repository
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.findOne({ carrera, programa })
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.then((existeCarretaPrograma) => {
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if (existeCarretaPrograma)
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throw new ConflictException(
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'Ya existe una carrera programa con este nombre, intente con uno diferente',
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);
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return this.repository.save(nuevoCarreraPrograma);
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})
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.then(() => ({ message: 'se creo correctamente la carrera programa' }));
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}
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findAll() {
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return this.repository.find();
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}
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findById(id_carrera_programa: number) {
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return this.repository
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.findOne({ id_carrera_programa })
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.then((carreraPrograma) => {
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if (!carreraPrograma)
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throw new NotFoundException('No existe esta carrera programa');
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return carreraPrograma;
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});
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}
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async update(attrs: Partial<CarreraPrograma>) {
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const carreraPrograma = await this.findById(attrs.id_carrera_programa);
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return this.repository
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.findOne({ id_carrera_programa: attrs.id_carrera_programa })
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.then((existeCarreraPrograma) => {
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if (existeCarreraPrograma)
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throw new ConflictException('Ya existe esta carrera programa');
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Object.assign(carreraPrograma, attrs);
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return this.repository.save(carreraPrograma);
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})
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.then(() => ({
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message: 'Se actualizo correctamente la carrera programa',
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}));
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}
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}
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