feat: Initial commit

internal/utils/compress.go

@@ -0,0 +1,39 @@
+package utils
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/base64"
+	"io"
+)
+
+// CompressToBase64 compresses data using gzip and encodes to base64
+func CompressToBase64(data string) (string, error) {
+	var buf bytes.Buffer
+	gz := gzip.NewWriter(&buf)
+	if _, err := gz.Write([]byte(data)); err != nil {
+		return "", err
+	}
+	if err := gz.Close(); err != nil {
+		return "", err
+	}
+	return base64.StdEncoding.EncodeToString(buf.Bytes()), nil
+}
+
+// DecompressFromBase64 decodes base64 and decompresses gzip data
+func DecompressFromBase64(data string) (string, error) {
+	decoded, err := base64.StdEncoding.DecodeString(data)
+	if err != nil {
+		return "", err
+	}
+	gz, err := gzip.NewReader(bytes.NewReader(decoded))
+	if err != nil {
+		return "", err
+	}
+	defer gz.Close()
+	result, err := io.ReadAll(gz)
+	if err != nil {
+		return "", err
+	}
+	return string(result), nil
+}