feat: implement helloworld API with CRUD operations and test cases

03_source/cms_backend/src/app/services/helloworld.service.ts

@@ -0,0 +1,44 @@
+// src/app/services/helloworld.service.ts
+//
+// REQ0047/T.B.A.
+//
+// PURPOSE:
+// - helloworld example for handling helloworld Record
+//
+// RULES:
+// - T.B.A.
+//
+
+import type { Helloworld } from '@prisma/client';
+
+import prisma from '../lib/prisma';
+
+type CreateHelloworld = {
+  hello: string;
+};
+
+type UpdateHelloworld = {
+  hello: string;
+};
+
+async function listHelloworlds(): Promise<Helloworld[]> {
+  return prisma.helloworld.findMany();
+}
+
+async function getHelloworld(helloworldId: number) {
+  return prisma.helloworld.findFirst({ where: { id: helloworldId } });
+}
+
+async function createNewHelloworld(createForm: CreateHelloworld) {
+  return prisma.helloworld.create({ data: createForm });
+}
+
+async function updateHelloworld(helloworldId: number, updateForm: UpdateHelloworld) {
+  return prisma.helloworld.update({ where: { id: helloworldId }, data: updateForm });
+}
+
+async function deleteHelloworld(helloworldId: number) {
+  return prisma.helloworld.delete({ where: { id: helloworldId } });
+}
+
+export { getHelloworld, listHelloworlds, updateHelloworld, deleteHelloworld, createNewHelloworld };