feat(editor,storage): storage library to abstract writabble file system

editor/go.mod

@@ -1,3 +1,8 @@
 module code.capytal.cc/capytal/comicverse/editor
 
 go 1.25.2
+
+require (
+	code.capytal.cc/loreddev/smalltrip v0.0.0-20251113171745-e3813daa807e
+	code.capytal.cc/loreddev/x v0.0.0-20251113171626-2ce5d71249c1
+)

editor/go.sum

@@ -0,0 +1,4 @@
+code.capytal.cc/loreddev/smalltrip v0.0.0-20251113171745-e3813daa807e h1:LdkirHDzhkcnhOBnDN0po84DjHAAkGztjHu/4mfWpSI=
+code.capytal.cc/loreddev/smalltrip v0.0.0-20251113171745-e3813daa807e/go.mod h1:jMvSPUj295pTk/ixyxZfwZJE/RQ7DZzvQ3cVoAklkPA=
+code.capytal.cc/loreddev/x v0.0.0-20251113171626-2ce5d71249c1 h1:BE0QdvwVVTG/t7nwNO5rrLf1vdAc5axv/1mWd/oAWhw=
+code.capytal.cc/loreddev/x v0.0.0-20251113171626-2ce5d71249c1/go.mod h1:p5ZPHzutdbUDfpvNBCjv5ls6rM4YNl2k4ipD5b0aRho=

editor/storage/local.go

@@ -0,0 +1,98 @@
+package storage
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"io/fs"
+	"log/slog"
+	"os"
+	"path"
+)
+
+func Newlocal(
+	root *os.Root,
+	logger *slog.Logger,
+) Storage {
+	return &local{
+		log:  logger,
+		root: root,
+	}
+}
+
+type local struct {
+	log  *slog.Logger
+	root *os.Root
+}
+
+var _ Storage = (*local)(nil)
+
+func (files *local) Exists(p string) bool {
+	if _, err := files.root.Stat(p); err != nil {
+		return false
+	}
+	return true
+}
+
+func (files *local) Open(p string) (fs.File, error) {
+	log := files.log.With(
+		slog.String("path", p),
+		slog.String("root", files.root.Name()))
+
+	log.Debug("Opening file")
+	defer log.Debug("File opened")
+
+	f, err := files.root.Open(p)
+	if errors.Is(err, os.ErrNotExist) {
+		return nil, ErrNotExists
+	} else if err != nil {
+		return nil, err
+	}
+
+	return f, nil
+}
+
+func (files *local) Write(p string, d []byte) (int, error) {
+	log := files.log.With(
+		slog.String("path", p),
+		slog.String("root", files.root.Name()))
+
+	log.Debug("Writing file")
+	defer log.Debug("File wrote")
+
+	if err := files.root.MkdirAll(path.Dir(p), os.ModePerm); err != nil {
+		return 0, fmt.Errorf("file.local: failed to create parent directories %q: %w", path.Dir(p), err)
+	}
+
+	err := files.root.WriteFile(p, d, os.ModePerm)
+	if err != nil {
+		return 0, fmt.Errorf("file.local: failed to write file %q: %w", p, err)
+	}
+
+	return len(d), nil
+}
+
+func (files *local) WriteFrom(p string, r io.Reader) (int64, error) {
+	log := files.log.With(
+		slog.String("path", p),
+		slog.String("root", files.root.Name()))
+
+	log.Debug("Writing file")
+	defer log.Debug("File wrote")
+
+	if err := files.root.MkdirAll(path.Dir(p), os.ModePerm); err != nil {
+		return 0, fmt.Errorf("file.local: failed to create parent directories %q: %w", path.Dir(p), err)
+	}
+
+	f, err := files.root.Create(p)
+	if err != nil {
+		return 0, fmt.Errorf("file.local: failed to create file %q: %w", p, err)
+	}
+
+	n, err := f.ReadFrom(r)
+	if err != nil {
+		return 0, fmt.Errorf("file.local: failed to write file %q: %w", p, err)
+	}
+
+	return n, nil
+}

editor/storage/storage.go

@@ -0,0 +1,42 @@
+package storage
+
+import (
+	"io"
+	"io/fs"
+	"os"
+	"path"
+)
+
+type Storage interface {
+	Exists(p string) bool
+	Open(p string) (fs.File, error)
+	Write(p string, b []byte) (int, error)
+	WriteFrom(p string, r io.Reader) (int64, error)
+}
+
+type withRoot struct {
+	root string
+	Storage
+}
+
+func WithRoot(rootDir string, s Storage) Storage {
+	return &withRoot{root: rootDir, Storage: s}
+}
+
+func (f *withRoot) Exists(p string) bool {
+	return f.Storage.Exists(path.Join(f.root, p))
+}
+
+func (f *withRoot) Open(p string) (fs.File, error) {
+	return f.Storage.Open(path.Join(f.root, p))
+}
+
+func (f *withRoot) Write(p string, b []byte) (int, error) {
+	return f.Storage.Write(path.Join(f.root, p), b)
+}
+
+func (f *withRoot) WriteFrom(p string, r io.Reader) (int64, error) {
+	return f.Storage.WriteFrom(path.Join(f.root, p), r)
+}
+
+var ErrNotExists = os.ErrNotExist

makefile

@@ -30,6 +30,26 @@ dev:
 dev/debug:
 	$(MAKE) -j2 debug dev/assets
 
+editor/dev/server:
+	cd ./editor; go run github.com/joho/godotenv/cmd/godotenv@v1.5.1 \
+		go run github.com/air-verse/air@v1.52.2 \
+			--build.cmd "go build -o tmp/bin/main ./cmd" \
+			--build.bin "tmp/bin/main" \
+			--build.exclude_dir "node_modules" \
+			--build.include_ext "go" \
+			--build.stop_on_error "false" \
+			--misc.clean_on_exit true \
+			-- -dev -port $(PORT) -hostname 0.0.0.0
+
+editor/dev/assets:
+	cd ./editor; tailwindcss \
+		-i ./assets/css/tailwind.css \
+		-o ./assets/css/style.css \
+		--watch
+
+editor/dev:
+	$(MAKE) -j2 editor/dev/assets editor/dev/server
+
 debug:
 	dlv debug -l 127.0.0.1:38697 \
 		--continue \