Edit saved print names

Dotnet/AppApi/AppApi.cs

@@ -575,14 +575,15 @@ namespace VRCX
             return null;
         }
 
-        public async Task<bool> SavePrintToFile(string url, string fileName)
+        public async Task<bool> SavePrintToFile(string url, string path, string fileName)
         {
-            var path = Path.Combine(GetVRChatPhotosLocation(), fileName);
-            Directory.CreateDirectory(Path.GetDirectoryName(path));
-            if (File.Exists(path))
+            var folder = Path.Combine(GetVRChatPhotosLocation(), "Prints", MakeValidFileName(path));
+            Directory.CreateDirectory(folder);
+            var filePath = Path.Combine(folder, MakeValidFileName(fileName));
+            if (File.Exists(filePath))
                 return false;
 
-            return await ImageCache.SaveImageToFile(url, path);
+            return await ImageCache.SaveImageToFile(url, filePath);
         }
     }
 }

Dotnet/AppApi/Folders.cs

@@ -2,6 +2,7 @@ using System;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Microsoft.Win32;
@@ -246,5 +247,21 @@ namespace VRCX
                 Process.Start("explorer.exe", $"/select,\"{path}\"");
             }
         }
+        
+        private static readonly Regex _folderRegex = new Regex(string.Format(@"([{0}]*\.+$)|([{0}]+)",
+            Regex.Escape(new string(Path.GetInvalidPathChars()))));
+
+        private static readonly Regex _fileRegex = new Regex(string.Format(@"([{0}]*\.+$)|([{0}]+)",
+            Regex.Escape(new string(Path.GetInvalidFileNameChars()))));
+
+        public static string MakeValidFileName(string name)
+        {
+            name = name.Replace("/", "");
+            name = name.Replace("\\", "");
+            name = _folderRegex.Replace(name, "");
+            name = _fileRegex.Replace(name, "");
+    
+            return name;
+        }
     }
 }