date and gz helper methods

gz/gz.go

@@ -0,0 +1,46 @@
+// Copyright 2025 Patial Tech (Ankit Patial).
+//
+// This file is part of code.patial.tech/go/appcore, which is MIT licensed.
+// See http://opensource.org/licenses/MIT
+
+package gz
+
+import (
+	"bytes"
+	"compress/gzip"
+	"io"
+)
+
+func Zip(data []byte) ([]byte, error) {
+	var b bytes.Buffer
+	gz := gzip.NewWriter(&b)
+	if _, err := gz.Write(data); err != nil {
+		return nil, err
+	}
+
+	if err := gz.Flush(); err != nil {
+		return nil, err
+	}
+
+	if err := gz.Close(); err != nil {
+		return nil, err
+	}
+
+	return b.Bytes(), nil
+}
+
+func UnZip(data []byte) ([]byte, error) {
+	b := bytes.NewBuffer(data)
+	var r io.Reader
+	r, err := gzip.NewReader(b)
+	if err != nil {
+		return nil, err
+	}
+
+	var resB bytes.Buffer
+	if _, err := resB.ReadFrom(r); err != nil {
+		return nil, err
+	}
+
+	return resB.Bytes(), nil
+}