🗃️ Refactored repositories for static file

internal/static/repository.go

@@ -6,19 +6,13 @@ import (
 	"source.toby3d.me/toby3d/home/internal/domain"
 )
 
-type (
-	Repository interface {
-		// Get returns Static on path if exists
-		Get(ctx context.Context, path string) (*domain.Static, error)
-	}
+type Repository interface {
+	// Create copy static into store to path.
+	Create(ctx context.Context, static domain.Static, path string) (bool, error)
 
-	dummyRepository struct{}
-)
+	// Get returns static on path if exists.
+	Get(ctx context.Context, path string) (*domain.Static, error)
 
-func NewDummyRepository() dummyRepository {
-	return dummyRepository{}
-}
-
-func (dummyRepository) Get(ctx context.Context, path string) (*domain.Static, error) {
-	return nil, nil
+	// Delete remove static from store if exists.
+	Delete(ctx context.Context, path string) (bool, error)
 }

internal/static/repository/dummy/dummy_static.go

@@ -0,0 +1,27 @@
+package dummy
+
+import (
+	"context"
+
+	"source.toby3d.me/toby3d/home/internal/domain"
+)
+
+type dummyStaticRepository struct{}
+
+// NewDummyRepository creates a new dummy static repository which will be used
+// as argument to functions that you don’t care about.
+func NewDummyStaticRepository() dummyStaticRepository {
+	return dummyStaticRepository{}
+}
+
+func (dummyStaticRepository) Create(_ context.Context, _ domain.Static, _ string) (bool, error) {
+	return false, nil
+}
+
+func (dummyStaticRepository) Get(_ context.Context, _ string) (*domain.Static, error) {
+	return nil, nil
+}
+
+func (dummyStaticRepository) Delete(_ context.Context, _ string) (bool, error) {
+	return false, nil
+}

internal/static/repository/fs/fs_static.go

@@ -3,12 +3,15 @@ package fs
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	_ "image/gif"
 	_ "image/jpeg"
 	_ "image/png"
 	"io"
 	"io/fs"
+	"os"
+	"path/filepath"
 
 	_ "golang.org/x/image/bmp"
 	_ "golang.org/x/image/webp"
@@ -18,22 +21,30 @@ import (
 )
 
 type fileServerStaticRepository struct {
-	root fs.FS
+	store fs.FS
 }
 
-func NewFileServerStaticRepository(root fs.FS) static.Repository {
-	return &fileServerStaticRepository{
-		root: root,
+func (repo *fileServerStaticRepository) Create(_ context.Context, s domain.Static, p string) (bool, error) {
+	f, err := os.OpenFile(filepath.Clean(p), os.O_WRONLY, os.ModePerm)
+	if err != nil {
+		return false, fmt.Errorf("cannot open static for writing: %w", err)
 	}
+	defer f.Close()
+
+	if _, err = io.Copy(f, &s); err != nil {
+		return false, fmt.Errorf("cannot copy static: %w", err)
+	}
+
+	return true, nil
 }
 
-func (repo *fileServerStaticRepository) Get(ctx context.Context, p string) (*domain.Static, error) {
-	info, err := fs.Stat(repo.root, p)
+func (repo *fileServerStaticRepository) Get(_ context.Context, p string) (*domain.Static, error) {
+	info, err := fs.Stat(repo.store, p)
 	if err != nil {
 		return nil, fmt.Errorf("cannot stat static on path '%s': %w", p, err)
 	}
 
-	f, err := repo.root.Open(p)
+	f, err := repo.store.Open(p)
 	if err != nil {
 		return nil, fmt.Errorf("cannot open static on path '%s': %w", p, err)
 	}
@@ -46,3 +57,30 @@ func (repo *fileServerStaticRepository) Get(ctx context.Context, p string) (*dom
 
 	return domain.NewStatic(bytes.NewReader(content), info.ModTime(), info.Name()), nil
 }
+
+func (repo *fileServerStaticRepository) Delete(_ context.Context, p string) (bool, error) {
+	p = filepath.Clean(p)
+
+	_, err := fs.Stat(repo.store, p)
+	if err != nil {
+		if errors.Is(err, fs.ErrNotExist) {
+			return false, nil
+		}
+
+		return false, fmt.Errorf("cannot open static for writing: %w", err)
+	}
+
+	if err = os.RemoveAll(p); err != nil {
+		return false, fmt.Errorf("cannot remove static: %w", err)
+	}
+
+	return true, nil
+}
+
+// NewFileServerStaticRepository creates a new FS repository for static files
+// which must be uploaded and used as is.
+func NewFileServerStaticRepository(store fs.FS) static.Repository {
+	return &fileServerStaticRepository{
+		store: store,
+	}
+}

internal/static/repository/stub/stub_static.go

@@ -0,0 +1,34 @@
+package stub
+
+import (
+	"context"
+
+	"source.toby3d.me/toby3d/home/internal/domain"
+	"source.toby3d.me/toby3d/home/internal/static"
+)
+
+type stubStaticRepository struct {
+	static *domain.Static
+	error  error
+	status bool
+}
+
+func (repo *stubStaticRepository) Create(_ context.Context, _ domain.Static, _ string) (bool, error) {
+	return repo.status, repo.error
+}
+
+func (repo *stubStaticRepository) Delete(_ context.Context, _ string) (bool, error) {
+	return repo.status, repo.error
+}
+
+func (repo *stubStaticRepository) Get(_ context.Context, _ string) (*domain.Static, error) {
+	return repo.static, repo.error
+}
+
+func NewStubStaticRepository(err error, s *domain.Static, ok bool) static.Repository {
+	return &stubStaticRepository{
+		static: s,
+		error:  err,
+		status: ok,
+	}
+}