feat: list customer by id

src/controllers/customer-controller.ts

@@ -82,6 +82,14 @@ export class CustomerController extends Controller {
     };
   }
 
+  @Get("{customerId}")
+  async getById(@Path() customerId: string) {
+    const record = await prisma.customer.findFirst({ where: { id: customerId } });
+    if (!record)
+      throw new HttpError(HttpStatus.NOT_FOUND, "Customer cannot be found.", "data_not_found");
+    return record;
+  }
+
   @Post()
   async create(@Request() req: RequestWithUser, @Body() body: CustomerCreate) {
     const record = await prisma.customer.create({