From 18f289fe90bcf2437aa92b253e2170bc2323162f Mon Sep 17 00:00:00 2001
From: amorozov <amorozov@tswf.io>
Date: Tue, 25 Jun 2024 15:45:57 +0300
Subject: [PATCH] feature: added GetFirstIndexedNonExistingFilePath to files

---
 pkg/io/files/file_exists_checker.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/pkg/io/files/file_exists_checker.go b/pkg/io/files/file_exists_checker.go
index 1629370..4f7a131 100644
--- a/pkg/io/files/file_exists_checker.go
+++ b/pkg/io/files/file_exists_checker.go
@@ -2,7 +2,9 @@ package files
 
 import (
 	"errors"
+	"fmt"
 	"os"
+	"path/filepath"
 )
 
 func IsFileExists(fileLocation string) bool {
@@ -12,3 +14,19 @@ func IsFileExists(fileLocation string) bool {
 
 	return true
 }
+
+func GetFirstIndexedNonExistingFilePath(parentDir string, fileBaseName string) string {
+	filePath := filepath.Join(parentDir, fileBaseName)
+	index := 0
+	for {
+		if !IsFileExists(filePath) {
+			break
+		}
+
+		index++
+
+		filePath = filepath.Join(parentDir, fmt.Sprintf("%s-%d", fileBaseName, index))
+	}
+
+	return filePath
+}