Linkando van com usuário

src/services/FindVansByUserIdService.ts

@@ -0,0 +1,33 @@
+import { getRepository } from 'typeorm';
+
+import AppError from '../errors/AppError';
+
+import User from '../models/User';
+import Van from '../models/Van';
+
+class FindVanByUserIdService {
+  public async execute(id_user: string): Promise<Van[]> {
+    const usersRepository = getRepository(User);
+    const vansRepository = getRepository(Van);
+
+    const user = await usersRepository.findOne({
+      where: { id_user }
+    });
+
+    if (!user) {
+      throw new AppError('O usuário informado não existe.', 404);
+    };
+
+    const van = await vansRepository.find({
+      where: { user }
+    });
+
+    if (!van) {
+      throw new AppError('Não há nenhuma van cadastrada para esse usuário.');
+    };
+
+    return van;
+  }
+}
+
+export default FindVanByUserIdService;