From 00bf436b53e30791c1f709a42c28493e0ba9206d Mon Sep 17 00:00:00 2001
From: John Cardinal <support@ayanova.com>
Date: Fri, 22 May 2020 18:17:33 +0000
Subject: [PATCH]

---
 server/AyaNova/util/FileUtil.cs | 63 +++++++++++++++++++++++++++++----
 1 file changed, 57 insertions(+), 6 deletions(-)

diff --git a/server/AyaNova/util/FileUtil.cs b/server/AyaNova/util/FileUtil.cs
index 1de9d981..356b2c73 100644
--- a/server/AyaNova/util/FileUtil.cs
+++ b/server/AyaNova/util/FileUtil.cs
@@ -102,7 +102,7 @@ namespace AyaNova.Util
 
         public class BackupFileInfo
         {
-            public long length { get; set; }
+            public string length { get; set; }
             public string Name { get; set; }
             public DateTime Created { get; set; }
 
@@ -110,11 +110,11 @@ namespace AyaNova.Util
 
         public class BackupStatus
         {
-            public long AvailableFreeSpace { get; set; }
+            public string AvailableFreeSpace { get; set; }
             public List<BackupFileInfo> BackupFiles { get; set; }
             public BackupStatus()
             {
-                AvailableFreeSpace = 0;
+                AvailableFreeSpace = null;
                 BackupFiles = new List<BackupFileInfo>();
             }
         }
@@ -129,11 +129,11 @@ namespace AyaNova.Util
             BackupStatus statusReport = new BackupStatus();
             try
             {
-                statusReport.AvailableFreeSpace = new System.IO.DriveInfo(Path.GetPathRoot(UtilityFilesFolder)).AvailableFreeSpace;
+                statusReport.AvailableFreeSpace = GetBytesReadable(new System.IO.DriveInfo(Path.GetPathRoot(UtilityFilesFolder)).AvailableFreeSpace);
             }
             catch (Exception ex)
             {
-                statusReport.AvailableFreeSpace = -1;
+                statusReport.AvailableFreeSpace = "ERROR";
                 ILogger log = AyaNova.Util.ApplicationLogging.CreateLogger("FileUtil::BackupStatus");
                 log.LogError(ex, "FileUtil::BackupStatusReport error getting available space");
             }
@@ -146,7 +146,7 @@ namespace AyaNova.Util
                 statusReport.BackupFiles.Add(new BackupFileInfo()
                 {
                     Name = Path.GetFileName(file),
-                    length = fi.Length,
+                    length = GetBytesReadable(fi.Length),
                     Created = fi.CreationTimeUtc
                 });
             }
@@ -529,6 +529,57 @@ namespace AyaNova.Util
 
         #region General utilities
 
+        //https://stackoverflow.com/a/11124118/8939
+        // Returns the human-readable file size for an arbitrary, 64-bit file size 
+        // The default format is "0.### XB", e.g. "4.2 KB" or "1.434 GB"
+        public static string GetBytesReadable(long i)
+        {
+            // Get absolute value
+            long absolute_i = (i < 0 ? -i : i);
+            // Determine the suffix and readable value
+            string suffix;
+            double readable;
+            if (absolute_i >= 0x1000000000000000) // Exabyte
+            {
+                suffix = "EB";
+                readable = (i >> 50);
+            }
+            else if (absolute_i >= 0x4000000000000) // Petabyte
+            {
+                suffix = "PB";
+                readable = (i >> 40);
+            }
+            else if (absolute_i >= 0x10000000000) // Terabyte
+            {
+                suffix = "TB";
+                readable = (i >> 30);
+            }
+            else if (absolute_i >= 0x40000000) // Gigabyte
+            {
+                suffix = "GB";
+                readable = (i >> 20);
+            }
+            else if (absolute_i >= 0x100000) // Megabyte
+            {
+                suffix = "MB";
+                readable = (i >> 10);
+            }
+            else if (absolute_i >= 0x400) // Kilobyte
+            {
+                suffix = "KB";
+                readable = i;
+            }
+            else
+            {
+                return i.ToString("0 B"); // Byte
+            }
+            // Divide by 1024 to get fractional value
+            readable = (readable / 1024);
+            // Return formatted number with suffix
+            return readable.ToString("0.### ") + suffix;
+        }
+
+
         /// <summary>
         /// Attachments / user files folder size info
         /// </summary>