feat: move entity and usecase to root folder

2020-10-12 07:35:29 -03:00
parent 2c0f46aff1
commit 3e4eb2e616
33 changed files with 109 additions and 138 deletions
@@ -0,0 +1,35 @@
+package book
+
+import (
+	"github.com/eminetto/clean-architecture-go-v2/entity"
+)
+
+//Reader interface
+type Reader interface {
+	Get(id entity.ID) (*entity.Book, error)
+	Search(query string) ([]*entity.Book, error)
+	List() ([]*entity.Book, error)
+}
+
+//Writer book writer
+type Writer interface {
+	Create(e *entity.Book) (entity.ID, error)
+	Update(e *entity.Book) error
+	Delete(id entity.ID) error
+}
+
+//Repository interface
+type Repository interface {
+	Reader
+	Writer
+}
+
+//UseCase interface
+type UseCase interface {
+	GetBook(id entity.ID) (*entity.Book, error)
+	SearchBooks(query string) ([]*entity.Book, error)
+	ListBooks() ([]*entity.Book, error)
+	CreateBook(title string, author string, pages int, quantity int) (entity.ID, error)
+	UpdateBook(e *entity.Book) error
+	DeleteBook(id entity.ID) error
+}
@@ -0,0 +1,367 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: usecase/book/interface.go
+
+// Package mock is a generated GoMock package.
+package mock
+
+import (
+	entity "github.com/eminetto/clean-architecture-go-v2/entity"
+	gomock "github.com/golang/mock/gomock"
+	reflect "reflect"
+)
+
+// MockReader is a mock of Reader interface
+type MockReader struct {
+	ctrl     *gomock.Controller
+	recorder *MockReaderMockRecorder
+}
+
+// MockReaderMockRecorder is the mock recorder for MockReader
+type MockReaderMockRecorder struct {
+	mock *MockReader
+}
+
+// NewMockReader creates a new mock instance
+func NewMockReader(ctrl *gomock.Controller) *MockReader {
+	mock := &MockReader{ctrl: ctrl}
+	mock.recorder = &MockReaderMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use
+func (m *MockReader) EXPECT() *MockReaderMockRecorder {
+	return m.recorder
+}
+
+// Get mocks base method
+func (m *MockReader) Get(id entity.ID) (*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Get", id)
+	ret0, _ := ret[0].(*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Get indicates an expected call of Get
+func (mr *MockReaderMockRecorder) Get(id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Get", reflect.TypeOf((*MockReader)(nil).Get), id)
+}
+
+// Search mocks base method
+func (m *MockReader) Search(query string) ([]*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Search", query)
+	ret0, _ := ret[0].([]*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Search indicates an expected call of Search
+func (mr *MockReaderMockRecorder) Search(query interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Search", reflect.TypeOf((*MockReader)(nil).Search), query)
+}
+
+// List mocks base method
+func (m *MockReader) List() ([]*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "List")
+	ret0, _ := ret[0].([]*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// List indicates an expected call of List
+func (mr *MockReaderMockRecorder) List() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "List", reflect.TypeOf((*MockReader)(nil).List))
+}
+
+// MockWriter is a mock of Writer interface
+type MockWriter struct {
+	ctrl     *gomock.Controller
+	recorder *MockWriterMockRecorder
+}
+
+// MockWriterMockRecorder is the mock recorder for MockWriter
+type MockWriterMockRecorder struct {
+	mock *MockWriter
+}
+
+// NewMockWriter creates a new mock instance
+func NewMockWriter(ctrl *gomock.Controller) *MockWriter {
+	mock := &MockWriter{ctrl: ctrl}
+	mock.recorder = &MockWriterMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use
+func (m *MockWriter) EXPECT() *MockWriterMockRecorder {
+	return m.recorder
+}
+
+// Create mocks base method
+func (m *MockWriter) Create(e *entity.Book) (entity.ID, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Create", e)
+	ret0, _ := ret[0].(entity.ID)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Create indicates an expected call of Create
+func (mr *MockWriterMockRecorder) Create(e interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Create", reflect.TypeOf((*MockWriter)(nil).Create), e)
+}
+
+// Update mocks base method
+func (m *MockWriter) Update(e *entity.Book) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Update", e)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Update indicates an expected call of Update
+func (mr *MockWriterMockRecorder) Update(e interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Update", reflect.TypeOf((*MockWriter)(nil).Update), e)
+}
+
+// Delete mocks base method
+func (m *MockWriter) Delete(id entity.ID) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Delete", id)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Delete indicates an expected call of Delete
+func (mr *MockWriterMockRecorder) Delete(id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Delete", reflect.TypeOf((*MockWriter)(nil).Delete), id)
+}
+
+// MockRepository is a mock of Repository interface
+type MockRepository struct {
+	ctrl     *gomock.Controller
+	recorder *MockRepositoryMockRecorder
+}
+
+// MockRepositoryMockRecorder is the mock recorder for MockRepository
+type MockRepositoryMockRecorder struct {
+	mock *MockRepository
+}
+
+// NewMockRepository creates a new mock instance
+func NewMockRepository(ctrl *gomock.Controller) *MockRepository {
+	mock := &MockRepository{ctrl: ctrl}
+	mock.recorder = &MockRepositoryMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use
+func (m *MockRepository) EXPECT() *MockRepositoryMockRecorder {
+	return m.recorder
+}
+
+// Get mocks base method
+func (m *MockRepository) Get(id entity.ID) (*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Get", id)
+	ret0, _ := ret[0].(*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Get indicates an expected call of Get
+func (mr *MockRepositoryMockRecorder) Get(id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Get", reflect.TypeOf((*MockRepository)(nil).Get), id)
+}
+
+// Search mocks base method
+func (m *MockRepository) Search(query string) ([]*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Search", query)
+	ret0, _ := ret[0].([]*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Search indicates an expected call of Search
+func (mr *MockRepositoryMockRecorder) Search(query interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Search", reflect.TypeOf((*MockRepository)(nil).Search), query)
+}
+
+// List mocks base method
+func (m *MockRepository) List() ([]*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "List")
+	ret0, _ := ret[0].([]*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// List indicates an expected call of List
+func (mr *MockRepositoryMockRecorder) List() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "List", reflect.TypeOf((*MockRepository)(nil).List))
+}
+
+// Create mocks base method
+func (m *MockRepository) Create(e *entity.Book) (entity.ID, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Create", e)
+	ret0, _ := ret[0].(entity.ID)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Create indicates an expected call of Create
+func (mr *MockRepositoryMockRecorder) Create(e interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Create", reflect.TypeOf((*MockRepository)(nil).Create), e)
+}
+
+// Update mocks base method
+func (m *MockRepository) Update(e *entity.Book) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Update", e)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Update indicates an expected call of Update
+func (mr *MockRepositoryMockRecorder) Update(e interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Update", reflect.TypeOf((*MockRepository)(nil).Update), e)
+}
+
+// Delete mocks base method
+func (m *MockRepository) Delete(id entity.ID) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Delete", id)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Delete indicates an expected call of Delete
+func (mr *MockRepositoryMockRecorder) Delete(id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Delete", reflect.TypeOf((*MockRepository)(nil).Delete), id)
+}
+
+// MockUseCase is a mock of UseCase interface
+type MockUseCase struct {
+	ctrl     *gomock.Controller
+	recorder *MockUseCaseMockRecorder
+}
+
+// MockUseCaseMockRecorder is the mock recorder for MockUseCase
+type MockUseCaseMockRecorder struct {
+	mock *MockUseCase
+}
+
+// NewMockUseCase creates a new mock instance
+func NewMockUseCase(ctrl *gomock.Controller) *MockUseCase {
+	mock := &MockUseCase{ctrl: ctrl}
+	mock.recorder = &MockUseCaseMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use
+func (m *MockUseCase) EXPECT() *MockUseCaseMockRecorder {
+	return m.recorder
+}
+
+// GetBook mocks base method
+func (m *MockUseCase) GetBook(id entity.ID) (*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetBook", id)
+	ret0, _ := ret[0].(*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetBook indicates an expected call of GetBook
+func (mr *MockUseCaseMockRecorder) GetBook(id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetBook", reflect.TypeOf((*MockUseCase)(nil).GetBook), id)
+}
+
+// SearchBooks mocks base method
+func (m *MockUseCase) SearchBooks(query string) ([]*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SearchBooks", query)
+	ret0, _ := ret[0].([]*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// SearchBooks indicates an expected call of SearchBooks
+func (mr *MockUseCaseMockRecorder) SearchBooks(query interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SearchBooks", reflect.TypeOf((*MockUseCase)(nil).SearchBooks), query)
+}
+
+// ListBooks mocks base method
+func (m *MockUseCase) ListBooks() ([]*entity.Book, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListBooks")
+	ret0, _ := ret[0].([]*entity.Book)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListBooks indicates an expected call of ListBooks
+func (mr *MockUseCaseMockRecorder) ListBooks() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBooks", reflect.TypeOf((*MockUseCase)(nil).ListBooks))
+}
+
+// CreateBook mocks base method
+func (m *MockUseCase) CreateBook(title, author string, pages, quantity int) (entity.ID, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateBook", title, author, pages, quantity)
+	ret0, _ := ret[0].(entity.ID)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateBook indicates an expected call of CreateBook
+func (mr *MockUseCaseMockRecorder) CreateBook(title, author, pages, quantity interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateBook", reflect.TypeOf((*MockUseCase)(nil).CreateBook), title, author, pages, quantity)
+}
+
+// UpdateBook mocks base method
+func (m *MockUseCase) UpdateBook(e *entity.Book) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateBook", e)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// UpdateBook indicates an expected call of UpdateBook
+func (mr *MockUseCaseMockRecorder) UpdateBook(e interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateBook", reflect.TypeOf((*MockUseCase)(nil).UpdateBook), e)
+}
+
+// DeleteBook mocks base method
+func (m *MockUseCase) DeleteBook(id entity.ID) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteBook", id)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteBook indicates an expected call of DeleteBook
+func (mr *MockUseCaseMockRecorder) DeleteBook(id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteBook", reflect.TypeOf((*MockUseCase)(nil).DeleteBook), id)
+}
@@ -0,0 +1,85 @@
+package book
+
+import (
+	"strings"
+	"time"
+
+	"github.com/eminetto/clean-architecture-go-v2/entity"
+)
+
+//Service book usecase
+type Service struct {
+	repo Repository
+}
+
+//NewService create new service
+func NewService(r Repository) *Service {
+	return &Service{
+		repo: r,
+	}
+}
+
+//CreateBook create a book
+func (s *Service) CreateBook(title string, author string, pages int, quantity int) (entity.ID, error) {
+	b, err := entity.NewBook(title, author, pages, quantity)
+	if err != nil {
+		return b.ID, err
+	}
+	return s.repo.Create(b)
+}
+
+//GetBook get a book
+func (s *Service) GetBook(id entity.ID) (*entity.Book, error) {
+	b, err := s.repo.Get(id)
+	if b == nil {
+		return nil, entity.ErrNotFound
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	return b, nil
+}
+
+//SearchBooks search books
+func (s *Service) SearchBooks(query string) ([]*entity.Book, error) {
+	books, err := s.repo.Search(strings.ToLower(query))
+	if err != nil {
+		return nil, err
+	}
+	if len(books) == 0 {
+		return nil, entity.ErrNotFound
+	}
+	return books, nil
+}
+
+//ListBooks list books
+func (s *Service) ListBooks() ([]*entity.Book, error) {
+	books, err := s.repo.List()
+	if err != nil {
+		return nil, err
+	}
+	if len(books) == 0 {
+		return nil, entity.ErrNotFound
+	}
+	return books, nil
+}
+
+//DeleteBook Delete a book
+func (s *Service) DeleteBook(id entity.ID) error {
+	_, err := s.GetBook(id)
+	if err != nil {
+		return err
+	}
+	return s.repo.Delete(id)
+}
+
+//UpdateBook Update a book
+func (s *Service) UpdateBook(e *entity.Book) error {
+	err := e.Validate()
+	if err != nil {
+		return err
+	}
+	e.UpdatedAt = time.Now()
+	return s.repo.Update(e)
+}
@@ -0,0 +1,93 @@
+package book
+
+import (
+	"testing"
+	"time"
+
+	"github.com/eminetto/clean-architecture-go-v2/entity"
+	"github.com/eminetto/clean-architecture-go-v2/infra/repository"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func newFixtureBook() *entity.Book {
+	return &entity.Book{
+		Title:     "I Am Ozzy",
+		Author:    "Ozzy Osbourne",
+		Pages:     294,
+		Quantity:  1,
+		CreatedAt: time.Now(),
+	}
+}
+
+func Test_Create(t *testing.T) {
+	repo := repository.NewBookInmem()
+	m := NewService(repo)
+	u := newFixtureBook()
+	_, err := m.CreateBook(u.Title, u.Author, u.Pages, u.Quantity)
+	assert.Nil(t, err)
+	assert.False(t, u.CreatedAt.IsZero())
+}
+
+func Test_SearchAndFind(t *testing.T) {
+	repo := repository.NewBookInmem()
+	m := NewService(repo)
+	u1 := newFixtureBook()
+	u2 := newFixtureBook()
+	u2.Title = "Lemmy: Biography"
+
+	uID, _ := m.CreateBook(u1.Title, u1.Author, u1.Pages, u1.Quantity)
+	_, _ = m.CreateBook(u2.Title, u2.Author, u2.Pages, u2.Quantity)
+
+	t.Run("search", func(t *testing.T) {
+		c, err := m.SearchBooks("ozzy")
+		assert.Nil(t, err)
+		assert.Equal(t, 1, len(c))
+		assert.Equal(t, "I Am Ozzy", c[0].Title)
+
+		c, err = m.SearchBooks("dio")
+		assert.Equal(t, entity.ErrNotFound, err)
+		assert.Nil(t, c)
+	})
+	t.Run("list all", func(t *testing.T) {
+		all, err := m.ListBooks()
+		assert.Nil(t, err)
+		assert.Equal(t, 2, len(all))
+	})
+
+	t.Run("get", func(t *testing.T) {
+		saved, err := m.GetBook(uID)
+		assert.Nil(t, err)
+		assert.Equal(t, u1.Title, saved.Title)
+	})
+}
+
+func Test_Update(t *testing.T) {
+	repo := repository.NewBookInmem()
+	m := NewService(repo)
+	u := newFixtureBook()
+	id, err := m.CreateBook(u.Title, u.Author, u.Pages, u.Quantity)
+	assert.Nil(t, err)
+	saved, _ := m.GetBook(id)
+	saved.Title = "Lemmy: Biography"
+	assert.Nil(t, m.UpdateBook(saved))
+	updated, err := m.GetBook(id)
+	assert.Nil(t, err)
+	assert.Equal(t, "Lemmy: Biography", updated.Title)
+}
+
+func TestDelete(t *testing.T) {
+	repo := repository.NewBookInmem()
+	m := NewService(repo)
+	u1 := newFixtureBook()
+	u2 := newFixtureBook()
+	u2ID, _ := m.CreateBook(u2.Title, u2.Author, u2.Pages, u2.Quantity)
+
+	err := m.DeleteBook(u1.ID)
+	assert.Equal(t, entity.ErrNotFound, err)
+
+	err = m.DeleteBook(u2ID)
+	assert.Nil(t, err)
+	_, err = m.GetBook(u2ID)
+	assert.Equal(t, entity.ErrNotFound, err)
+}