From 71c3eb56b6ddfc487d43e961228fd52d234962da Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.top>
Date: Sun, 6 Feb 2022 03:00:32 +0400
Subject: [PATCH] Utility function to convert size ib bytes to its
 corresponding biggest unit.

---
 pkg/utils/filesize.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 pkg/utils/filesize.go

diff --git a/pkg/utils/filesize.go b/pkg/utils/filesize.go
new file mode 100644
index 0000000..fec6f49
--- /dev/null
+++ b/pkg/utils/filesize.go
@@ -0,0 +1,16 @@
+package utils
+
+import "fmt"
+
+var sizeSuffixes = [...]string{"B", "KiB", "MiB", "GiB"}
+
+// ConvertFileSize converts size in bytes down to biggest units it represents.
+// Returns converted size, unit and, a concatenation of size and unit
+func ConvertFileSize(size int64) (int64, string, string) {
+	var idx int
+
+	for idx = 0; size >= 1024; size /= 1024 {
+	}
+
+	return size, sizeSuffixes[idx], fmt.Sprint(size, sizeSuffixes[idx])
+}