feature: added 'GetParentDir' to files

pkg/io/files/file_exists_checker.go

@@ -3,6 +3,7 @@ package files
 import (
 	"errors"
 	"os"
+	"strings"
 )
 
 func IsFileExists(fileLocation string) bool {
@@ -12,3 +13,13 @@ func IsFileExists(fileLocation string) bool {
 
 	return true
 }
+
+func GetParentDir(fileLocation string) string {
+	fileLocation = strings.ReplaceAll(fileLocation, "\\", "/")
+	indexOfSlash := strings.LastIndex(fileLocation, "/")
+	if indexOfSlash > 0 {
+		return fileLocation[:indexOfSlash]
+	}
+
+	return ""
+}

pkg/io/files/parent_file_creator.go

@@ -1,16 +1,11 @@
 package files
 
-import (
-	"os"
-	"strings"
-)
+import "os"
 
 func MkdirParent(fileLocation string) error {
-	fileLocation = strings.ReplaceAll(fileLocation, "\\", "/")
-	indexOfSlash := strings.LastIndex(fileLocation, "/")
-	if indexOfSlash > 0 {
-		parentDirLocation := fileLocation[:indexOfSlash]
-		parentDirCreationErr := os.MkdirAll(parentDirLocation, os.ModeDir)
+	parentDir := GetParentDir(fileLocation)
+	if parentDir != "" {
+		parentDirCreationErr := os.MkdirAll(parentDir, os.ModeDir)
 
 		if parentDirCreationErr != nil {
 			return parentDirCreationErr