added new EP

src/sancion/entities/sancion.entity.ts

@@ -14,7 +14,7 @@ export class Sancion {
 
   @OneToMany(
     () => AlumnoSancion,
-    (alusancion) => alusancion.id_sancion,
+    (alusancion) => alusancion.sancion,
   )
   alumnosSancionados: AlumnoSancion[];
 }

src/sancion/sancion.module.ts

@@ -1,9 +1,14 @@
 import { Module } from '@nestjs/common';
 import { SancionService } from './sancion.service';
 import { SancionController } from './sancion.controller';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Sancion } from './entities/sancion.entity';
 
 @Module({
+  imports:[TypeOrmModule.forFeature([Sancion])],
   controllers: [SancionController],
   providers: [SancionService],
+  exports:[SancionService],
 })
 export class SancionModule {}
+//IO

src/sancion/sancion.service.ts

@@ -1,9 +1,16 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, NotFoundException } from '@nestjs/common';
 import { CreateSancionDto } from './dto/create-sancion.dto';
 import { UpdateSancionDto } from './dto/update-sancion.dto';
+import { Sancion } from './entities/sancion.entity';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
 
 @Injectable()
 export class SancionService {
+  constructor(
+    @InjectRepository(Sancion)
+    private readonly sancionRepository: Repository<Sancion>
+  ){}
   create(createSancionDto: CreateSancionDto) {
     return 'This action adds a new sancion';
   }
@@ -12,8 +19,14 @@ export class SancionService {
     return `This action returns all sancion`;
   }
 
-  findOne(id: number) {
-    return `This action returns a #${id} sancion`;
+  async findOne(id_sancion: number): Promise<Sancion> {
+    const sancion = await this.sancionRepository.findOne({
+      where: { id_sancion },
+    });
+    if (!sancion) {
+      throw new NotFoundException(`Sancion not found`);
+    }
+    return sancion;
   }
 
   update(id: number, updateSancionDto: UpdateSancionDto) {
@@ -24,3 +37,4 @@ export class SancionService {
     return `This action removes a #${id} sancion`;
   }
 }
+//IO