programa listo

src/programa/dto/programa-create.dto.ts

@@ -0,0 +1,6 @@
+import { IsString } from 'class-validator';
+
+export class ProgramaCreateDto {
+  @IsString()
+  programa: string;
+}

src/programa/programa.controller.ts

@@ -1,10 +1,18 @@
-import { Controller, Get } from '@nestjs/common';
+import { Body, Controller, Get, Post } from '@nestjs/common';
 import { ProgramaService } from './programa.service';
+import { ProgramaCreateDto } from './dto/programa-create.dto';
 
 @Controller('programa')
 export class ProgramaController {
   constructor(private programaService: ProgramaService) {}
 
+  @Post()
+  create(@Body() body: ProgramaCreateDto) {
+    return this.programaService.create(body.programa);
+  }
+
   @Get()
-  get() {}
+  get() {
+    return this.programaService.findAll();
+  }
 }

src/programa/programa.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { ConflictException, Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { Programa } from './entity/programa.entity';
@@ -8,4 +8,19 @@ export class ProgramaService {
   constructor(
     @InjectRepository(Programa) private repository: Repository<Programa>,
   ) {}
+
+  create(programa: string) {
+    return this.repository
+      .findOne({ programa })
+      .then((existePrograma) => {
+        if (existePrograma)
+          throw new ConflictException('Ya existe este programa.');
+        return this.repository.save(this.repository.create({ programa }));
+      })
+      .then((_) => ({ message: 'Se creo correctamente el programa.' }));
+  }
+
+  findAll() {
+    return this.repository.find();
+  }
 }