Rename Paramable to Entity

1 files changed, 44 insertions, 0 deletions

diff --git a/pkg/db/storage.go b/pkg/db/storage.go
new file mode 100644
index 0000000..1c1c428
--- /dev/null
+++ b/pkg/db/storage.go
@@ -0,0 +1,44 @@
+package db
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/xlgmokha/x/pkg/env"
+	"github.com/xlgmokha/x/pkg/serde"
+	"github.com/xlgmokha/x/pkg/x"
+)
+
+type Entity interface {
+	Identifier() string
+}
+
+type Storage[T Entity] struct {
+	dir string
+}
+
+func New[T Entity](dir string) *Storage[T] {
+	fullPath := x.Must(filepath.Abs(dir))
+	x.Check(os.MkdirAll(fullPath, 0700))
+
+	return &Storage[T]{
+		dir: fullPath,
+	}
+}
+
+func (db *Storage[T]) Save(item T) error {
+	w := new(bytes.Buffer)
+	x.Check(serde.To(w, item, serde.YAML))
+	if env.Fetch("DUMP", "") != "" {
+		fmt.Println(w.String())
+	}
+
+	return ioutil.WriteFile(db.filePathFor(item), w.Bytes(), 0700)
+}
+
+func (db *Storage[T]) filePathFor(item T) string {
+	return fmt.Sprintf("%v/%v.yaml", db.dir, item.Identifier())
+}