1 files changed, 261 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs b/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs
new file mode 100644
index 000000000..dc8efa7dd
--- /dev/null
+++ b/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs
@@ -0,0 +1,261 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Tango.Core.Helpers;
+using Tango.FileSystem.Network;
+using Tango.Logging;
+
+namespace Tango.FileSystem
+{
+    public class FileSystemManager
+    {
+        public FileSystemItemDTO GetRoot()
+        {
+            FileSystemItemDTO folder = new FileSystemItemDTO();
+            folder.Path = "This PC";
+            folder.IsRoot = true;
+            folder.Type = FileSystemItemType.Folder;
+            folder.Items = DriveInfo.GetDrives().Where(x => x.DriveType == DriveType.Fixed || x.DriveType == DriveType.Removable || x.DriveType == DriveType.Network).Select(x => new FileSystemItemDTO()
+            {
+                Path = x.RootDirectory.FullName,
+                DriveType = x.DriveType,
+                DriveLabel = $"{x.VolumeLabel} ({x.Name.Replace("\\", "")})",
+                Type = FileSystemItemType.Drive,
+            }).Cast<FileSystemItemDTO>().ToList();
+
+            return folder;
+        }
+
+        public FileSystemItemDTO GetFolder(GetFileSystemItemRequest request)
+        {
+            List<FileSystemItemDTO> items = new List<FileSystemItemDTO>();
+
+            if (request.SpecialFolder.HasValue)
+            {
+                request.Path = Environment.GetFolderPath(request.SpecialFolder.Value);
+            }
+
+            if (String.IsNullOrWhiteSpace(request.Path))
+            {
+                return GetRoot();
+            }
+
+            try
+            {
+                if (request.Path.Count(x => x == '%') == 2)
+                {
+                    var variable = Regex.Match(request.Path, "(?<=%)(.*?)(?=%)").Value;
+                    request.Path = request.Path.Replace($"%{variable}%", Environment.ExpandEnvironmentVariables($"%{variable}%"));
+                }
+            }
+            catch
+            {
+                throw new ArgumentException("Could not parse environment variable.");
+            }
+
+            request.Path = Path.GetFullPath(request.Path);
+
+            if (!Directory.Exists(request.Path))
+            {
+                throw new DirectoryNotFoundException("The specified directory could not be located.");
+            }
+
+            foreach (var directory in Directory.GetDirectories(request.Path))
+            {
+                items.Add(new FileSystemItemDTO()
+                {
+                    Path = directory,
+                    Type = FileSystemItemType.Folder,
+                    DateModified = Directory.GetLastWriteTimeUtc(directory),
+                    DateCreated = Directory.GetCreationTimeUtc(directory),
+                });
+            }
+
+            if (!request.FoldersOnly)
+            {
+                foreach (var file in Directory.GetFiles(request.Path, request.Filter != null ? request.Filter : "*.*"))
+                {
+                    items.Add(new FileSystemItemDTO()
+                    {
+                        Path = file,
+                        Type = FileSystemItemType.File,
+                        DateModified = File.GetLastWriteTimeUtc(file),
+                        DateCreated = File.GetCreationTimeUtc(file),
+                        Size = new FileInfo(file).Length
+                    });
+                }
+            }
+
+            return new FileSystemItemDTO()
+            {
+                Path = request.Path,
+                Type = request.Path.Length == 3 ? FileSystemItemType.Drive : FileSystemItemType.Folder,
+                Items = items
+            };
+        }
+
+        public Task<FileSystemItem> GetFolder(String path, bool foldersOnly = false, String filter = "*.*")
+        {
+            return Task.Factory.StartNew<FileSystemItem>(() =>
+            {
+                return FileSystemItem.FromDTO(GetFolder(new GetFileSystemItemRequest()
+                {
+                    Path = path,
+                    FoldersOnly = foldersOnly,
+                    Filter = filter,
+                }));
+            });
+        }
+
+        public Task<FileSystemItem> GetFolder(Environment.SpecialFolder specialFolder, bool foldersOnly = false, String filter = "*.*")
+        {
+            return Task.Factory.StartNew<FileSystemItem>(() =>
+            {
+                return FileSystemItem.FromDTO(GetFolder(new GetFileSystemItemRequest()
+                {
+                    SpecialFolder = specialFolder,
+                    FoldersOnly = foldersOnly,
+                    Filter = filter,
+                }));
+            });
+        }
+
+        public void Delete(String path)
+        {
+            if (Directory.Exists(path))
+            {
+                Directory.Delete(path, true);
+            }
+            else if (File.Exists(path))
+            {
+                File.Delete(path);
+            }
+            else
+            {
+                throw new FileNotFoundException("Could not locate the specified file or directory.");
+            }
+        }
+
+        public void Move(MoveRequest request)
+        {
+            if (Directory.Exists(request.Destination))
+            {
+                throw new IOException($"'{Path.GetFileName(request.Destination)}' already exists on the target folder.");
+            }
+
+            if (File.Exists(request.Source))
+            {
+                File.Move(request.Source, request.Destination);
+            }
+            else if (Directory.Exists(request.Source))
+            {
+                Directory.Move(request.Source, request.Destination);
+            }
+            else
+            {
+                throw new FileNotFoundException("Could not locate the source file or folder.");
+            }
+        }
+
+        public void Copy(CopyRequest request)
+        {
+            if (File.Exists(request.Source))
+            {
+                if (request.Source == request.Destination)
+                {
+                    while (File.Exists(request.Destination))
+                    {
+                        request.Destination = Path.Combine(Path.GetDirectoryName(request.Destination), Path.GetFileNameWithoutExtension(request.Destination)) + " copy" + Path.GetExtension(request.Destination);
+                    }
+                }
+                File.Copy(request.Source, request.Destination, true);
+            }
+            else if (Directory.Exists(request.Source))
+            {
+                Directory.CreateDirectory(Path.GetDirectoryName(request.Destination));
+                PathHelper.CopyDirectory(request.Source, request.Destination, true);
+            }
+            else
+            {
+                throw new FileNotFoundException("Could not locate the source file or folder.");
+            }
+        }
+
+        public FileSystemItemDTO CreateFolder(String path, String folderName)
+        {
+            String fullPath = Path.Combine(path, folderName);
+
+            if (Directory.Exists(fullPath))
+            {
+                throw new IOException("The specified directory name already exists.");
+            }
+
+            Directory.CreateDirectory(fullPath);
+
+            return GetFolder(new GetFileSystemItemRequest()
+            {
+                Path = fullPath
+            });
+        }
+
+        public long PerformDiskSpaceOptimization()
+        {
+            var tempDir = Path.GetTempPath();
+            var logsFolder = FileLogger.DefaultLogsFolder;
+
+            long sizeBefore = GetDirectorySize(new DirectoryInfo(tempDir)) + GetDirectorySize(new DirectoryInfo(logsFolder));
+
+            foreach (var file in Directory.GetFiles(tempDir, "*.*", SearchOption.AllDirectories))
+            {
+                try
+                {
+                    FileInfo fileInfo = new FileInfo(file);
+                    if (fileInfo.LastWriteTime < DateTime.Now.AddDays(-1))
+                    {
+                        File.Delete(file);
+                    }
+                }
+                catch { }
+            }
+
+            foreach (var file in Directory.GetFiles(logsFolder, "*.*", SearchOption.AllDirectories))
+            {
+                try
+                {
+                    FileInfo fileInfo = new FileInfo(file);
+                    if (fileInfo.LastWriteTime < DateTime.Now.AddDays(-2))
+                    {
+                        File.Delete(file);
+                    }
+                }
+                catch { }
+            }
+
+            long sizeAfter = GetDirectorySize(new DirectoryInfo(tempDir)) + GetDirectorySize(new DirectoryInfo(logsFolder));
+
+            return Math.Max(sizeBefore - sizeAfter, 0);
+        }
+
+        public static long GetDirectorySize(DirectoryInfo d)
+        {
+            long size = 0;
+            // Add file sizes.
+            FileInfo[] fis = d.GetFiles();
+            foreach (FileInfo fi in fis)
+            {
+                size += fi.Length;
+            }
+            // Add subdirectory sizes.
+            DirectoryInfo[] dis = d.GetDirectories();
+            foreach (DirectoryInfo di in dis)
+            {
+                size += GetDirectorySize(di);
+            }
+            return size;
+        }
+    }
+}