feat: refactoring

domain/entity/user/interface.go

@@ -21,9 +21,3 @@ type Repository interface {
 	Reader
 	Writer
 }
-
-//UseCase use case interface
-type UseCase interface {
-	Reader
-	Writer
-}

domain/entity/user/repository.go

@@ -4,27 +4,29 @@ import (
 	"strings"
 	"time"
 
+	"github.com/eminetto/clean-architecture-go-v2/domain"
+
 	"github.com/eminetto/clean-architecture-go-v2/pkg/password"
 
 	"github.com/eminetto/clean-architecture-go-v2/domain/entity"
 )
 
-//Service service interface
-type Service struct {
+//repository service interface
+type repository struct {
 	repo Repository
 	pwd  password.UseCase
 }
 
-//NewService create new use case
-func NewService(r Repository, pwd password.UseCase) *Service {
-	return &Service{
+//NewRepository create new repository
+func NewRepository(r Repository, pwd password.UseCase) *repository {
+	return &repository{
 		repo: r,
 		pwd:  pwd,
 	}
 }
 
 //Create an user
-func (s *Service) Create(e *User) (entity.ID, error) {
+func (s *repository) Create(e *User) (entity.ID, error) {
 	e.ID = entity.NewID()
 	e.CreatedAt = time.Now()
 	pwd, err := s.pwd.Generate(e.Password)
@@ -36,31 +38,34 @@ func (s *Service) Create(e *User) (entity.ID, error) {
 }
 
 //Get an user
-func (s *Service) Get(id entity.ID) (*User, error) {
+func (s *repository) Get(id entity.ID) (*User, error) {
 	return s.repo.Get(id)
 }
 
 //Search users
-func (s *Service) Search(query string) ([]*User, error) {
+func (s *repository) Search(query string) ([]*User, error) {
 	return s.repo.Search(strings.ToLower(query))
 }
 
 //List users
-func (s *Service) List() ([]*User, error) {
+func (s *repository) List() ([]*User, error) {
 	return s.repo.List()
 }
 
 //Delete an user
-func (s *Service) Delete(id entity.ID) error {
-	_, err := s.Get(id)
+func (s *repository) Delete(id entity.ID) error {
+	u, err := s.Get(id)
 	if err != nil {
 		return err
 	}
+	if len(u.Books) > 0 {
+		return domain.ErrCannotBeDeleted
+	}
 	return s.repo.Delete(id)
 }
 
 //Update an user
-func (s *Service) Update(e *User) error {
+func (s *repository) Update(e *User) error {
 	e.UpdatedAt = time.Now()
 	return s.repo.Update(e)
 }

domain/entity/user/repository_test.go

@@ -13,7 +13,7 @@ import (
 
 func Test_Create(t *testing.T) {
 	repo := NewInmemRepository()
-	service := NewService(repo, password.NewFakeService())
+	service := NewRepository(repo, password.NewFakeService())
 	u := NewFixtureUser()
 	id, err := service.Create(u)
 	assert.Nil(t, err)
@@ -24,7 +24,7 @@ func Test_Create(t *testing.T) {
 
 func Test_SearchAndFind(t *testing.T) {
 	repo := NewInmemRepository()
-	service := NewService(repo, password.NewFakeService())
+	service := NewRepository(repo, password.NewFakeService())
 	u1 := NewFixtureUser()
 	u2 := NewFixtureUser()
 	u2.FirstName = "Lemmy"
@@ -57,7 +57,7 @@ func Test_SearchAndFind(t *testing.T) {
 
 func Test_Update(t *testing.T) {
 	repo := NewInmemRepository()
-	service := NewService(repo, password.NewFakeService())
+	service := NewRepository(repo, password.NewFakeService())
 	u := NewFixtureUser()
 	id, err := service.Create(u)
 	assert.Nil(t, err)
@@ -74,7 +74,7 @@ func Test_Update(t *testing.T) {
 
 func TestDelete(t *testing.T) {
 	repo := NewInmemRepository()
-	service := NewService(repo, password.NewFakeService())
+	service := NewRepository(repo, password.NewFakeService())
 	u1 := NewFixtureUser()
 	u2 := NewFixtureUser()
 	u2ID, _ := service.Create(u2)