Implement Read Only mode

lib/storage/fs.go

@@ -0,0 +1,42 @@
+package storage
+
+import (
+	p "path"
+
+	"io"
+	"os"
+)
+
+type fsStore struct {
+	path string
+}
+
+func (st *fsStore) Create(id string, name string) (io.WriteCloser, error) {
+	path := idPath(st.path, id)
+	err := os.MkdirAll(path, os.ModePerm)
+	if err != nil {
+		return nil, err
+	}
+
+	return os.Create(p.Join(path, name))
+}
+
+func (st *fsStore) Store(id string, file io.Reader, name string) (size int64, err error) {
+	dest, err := st.Create(id, name)
+	if err != nil {
+		return 0, err
+	}
+	defer dest.Close()
+
+	return io.Copy(dest, file)
+}
+
+func (st *fsStore) Get(id string, name string) (File, error) {
+	path := idPath(st.path, id)
+	return os.Open(p.Join(path, name))
+}
+
+func (st *fsStore) Delete(id string) error {
+	path := idPath(st.path, id)
+	return os.RemoveAll(path)
+}