Add directory watcher functionality

HyperbolicDownloaderApi/Commands/DirectoryCommands.cs

@@ -0,0 +1,88 @@
+using HyperbolicDownloaderApi.FileProcessing;
+using HyperbolicDownloaderApi.Managment;
+
+namespace HyperbolicDownloaderApi.Commands;
+
+public class DirectoryCommands
+{
+    private readonly DirectoryWatcher directoryWatcher;
+
+    public DirectoryCommands(DirectoryWatcher directoryWatcher)
+    {
+        this.directoryWatcher = directoryWatcher;
+    }
+
+    public void AddDirectory(string directoryPath)
+    {
+        if (directoryWatcher.TryAdd(directoryPath, out string? message))
+        {
+            ApiManager.SendNotificationMessageNewLine($"Added directory: {directoryPath}", NotificationMessageType.Success);
+        }
+        else
+        {
+            ApiManager.SendNotificationMessageNewLine(message!, NotificationMessageType.Error);
+        }
+    }
+
+    public void RemoveDirectory(string args)
+    {
+        if (int.TryParse(args, out int index))
+        {
+            List<string> fileInfos = directoryWatcher.ToList();
+
+            if (index < 1 || index > fileInfos.Count)
+            {
+                ApiManager.SendNotificationMessageNewLine("Invalid index!", NotificationMessageType.Error);
+                return;
+            }
+
+            args = fileInfos[index - 1];
+        }
+
+        if (directoryWatcher.TryRemove(args))
+        {
+            ApiManager.SendNotificationMessageNewLine($"Removed directory: {args}", NotificationMessageType.Success);
+        }
+        else
+        {
+            ApiManager.SendNotificationMessageNewLine("Directory is not tracked!", NotificationMessageType.Error);
+        }
+    }
+
+    public void ListDirectories(string searchString)
+    {
+        int index = 0;
+        int directoryCount = 0;
+        List<string> directoryInfos = directoryWatcher.ToList();
+
+        if (directoryInfos.Count == 0)
+        {
+            ApiManager.SendNotificationMessageNewLine("No tracked directories!", NotificationMessageType.Warning);
+            return;
+        }
+
+        foreach (string directoryInfo in directoryInfos)
+        {
+            index++;
+
+            if (!string.IsNullOrWhiteSpace(searchString) && !directoryInfo.Contains(searchString, StringComparison.OrdinalIgnoreCase))
+            {
+                continue;
+            }
+
+            directoryCount++;
+
+            ApiManager.SendNotificationMessageNewLine($"{index}) {directoryInfo}");
+            ApiManager.SendNotificationMessageNewLine(string.Empty);
+        }
+
+        if (directoryCount == 0)
+        {
+            ApiManager.SendNotificationMessage($"No directories found containing \"{searchString}\".", NotificationMessageType.Warning);
+        }
+        else
+        {
+            Console.CursorTop--;
+        }
+    }
+}

HyperbolicDownloaderApi/Commands/DownloadCommands.cs

@@ -37,6 +37,7 @@ public class DownloadCommands
         if (!File.Exists(fullPath))
         {
             ApiManager.SendNotificationMessageNewLine("Invalid file path!", NotificationMessageType.Error);
+            return;
         }
 
         string json = File.ReadAllText(fullPath);

HyperbolicDownloaderApi/Commands/FileCommands.cs

@@ -161,6 +161,8 @@ public class FileCommands
             return;
         }
 
+        ApiManager.SendNotificationMessageNewLine($"Requesting file list from {ipAddress}:{port}...");
+
         Task<List<HyperFileDto>?> sendTask = NetworkClient.SendAsync<List<HyperFileDto>>(ipAddress, port, "GetFilesList", searchString);
 
         _ = sendTask.Wait(1000);
@@ -183,6 +185,8 @@ public class FileCommands
             return;
         }
 
+        index = 0;
+
         foreach (HyperFileDto fileInfo in fileInfos)
         {
             index++;
@@ -227,7 +231,7 @@ public class FileCommands
         string fileName = Path.GetFileName(localHyperFileInfo!.FilePath);
         string filePath = Path.Combine(directoryPath, $"{fileName}.hyper");
 
-        PublicHyperFileInfo publicHyperFileInfo = new PublicHyperFileInfo(args);
+        PublicHyperFileInfo publicHyperFileInfo = new PublicHyperFileInfo(localHyperFileInfo.Hash);
 
         NetworkSocket? localHost = ApiManager.GetLocalSocket();
         if (localHost is null)
@@ -280,7 +284,7 @@ public class FileCommands
         string fileName = Path.GetFileName(localHyperFileInfo!.FilePath);
         string filePath = Path.Combine(directoryPath, $"{fileName}.hyper");
 
-        PublicHyperFileInfo publicHyperFileInfo = new PublicHyperFileInfo(args);
+        PublicHyperFileInfo publicHyperFileInfo = new PublicHyperFileInfo(localHyperFileInfo.Hash);
 
         NetworkSocket? localHost = ApiManager.GetLocalSocket();
         if (localHost is null)
@@ -303,7 +307,7 @@ public class FileCommands
 
             Console.CursorLeft = 0;
 
-            Task<bool> sendTask = NetworkClient.SendAsync<bool>(ipAddress!, host.Port, "HasFile", args);
+            Task<bool> sendTask = NetworkClient.SendAsync<bool>(ipAddress!, host.Port, "HasFile", localHyperFileInfo.Hash);
 
             _ = sendTask.Wait(1000);
 

HyperbolicDownloaderApi/FileProcessing/DirectoryWatcher.cs

@@ -0,0 +1,100 @@
+using HyperbolicDownloaderApi.Managment;
+
+using System.Text.Json;
+using System.Timers;
+
+namespace HyperbolicDownloaderApi.FileProcessing;
+
+public class DirectoryWatcher
+{
+    private readonly FilesManager filesManager;
+
+    private readonly List<string> directories = new();
+    private readonly System.Timers.Timer timer = new(1);
+
+    public DirectoryWatcher(FilesManager filesManager)
+    {
+        this.filesManager = filesManager;
+
+        timer.AutoReset = false;
+        timer.Elapsed += Timer_Elapsed;
+    }
+
+    public bool TryAdd(string path, out string? errorMessage)
+    {
+        if (directories.Contains(path))
+        {
+            errorMessage = "Directory already tracked";
+            return false;
+        }
+
+        directories.Add(path);
+        errorMessage = null;
+
+        SaveDirectories();
+        return true;
+    }
+
+    public void AddRange(IEnumerable<string> directoryInfos)
+    {
+        foreach (string directoryInfo in directoryInfos)
+        {
+            if (Directory.Exists(directoryInfo) && !directories.Contains(directoryInfo))
+            {
+                directories.Add(directoryInfo);
+            }
+        }
+
+        SaveDirectories();
+    }
+
+    public bool TryRemove(string path)
+    {
+        if (!directories.Contains(path))
+        {
+            return false;
+        }
+
+        _ = directories.Remove(path);
+
+        SaveDirectories();
+        return true;
+    }
+
+    public void SaveDirectories()
+    {
+        File.WriteAllText(ApiConfiguration.DirectoriesInfoPath, JsonSerializer.Serialize(directories));
+    }
+
+    public List<string> ToList()
+    {
+        return directories;
+    }
+
+    public void Start()
+    {
+        timer.Start();
+    }
+
+    private void Timer_Elapsed(object? sender, ElapsedEventArgs e)
+    {
+        ApiManager.SendNotificationMessageNewLine("Checking for new files...", NotificationMessageType.Log);
+
+        timer.Interval = TimeSpan.FromMinutes(1).TotalMilliseconds;
+
+        foreach (string directory in directories)
+        {
+            ApiManager.SendNotificationMessageNewLine($"Checking directory: {directory}", NotificationMessageType.Log);
+            string[] files = Directory.GetFiles(directory, "*", SearchOption.AllDirectories);
+
+            foreach (string file in files)
+            {
+                _ = filesManager.TryAdd(file, out _, out _);
+            }
+        }
+
+        ApiManager.SendNotificationMessageNewLine("Finished checking for new files.", NotificationMessageType.Log);
+
+        filesManager.RemoveFilesThatDontExist();
+    }
+}

HyperbolicDownloaderApi/FileProcessing/FilesManager.cs

@@ -1,5 +1,6 @@
 using HyperbolicDownloaderApi.Managment;
 
+using System.Diagnostics;
 using System.Text.Json;
 
 namespace HyperbolicDownloaderApi.FileProcessing;
@@ -31,10 +32,16 @@ public class FilesManager
         if (Contains(hash))
         {
             fileInfo = null;
+            Debug.WriteLine(filePath + "-.-" + hash);
             errorMessage = "File already tracked!";
             return false;
         }
 
+        if (files.Exists(f => f.FilePath == fullPath))
+        {
+            _ = files.RemoveAll(f => f.FilePath == fullPath);
+        }
+
         fileInfo = new PrivateHyperFileInfo(hash, fullPath);
 
         files.Add(fileInfo);
@@ -91,6 +98,20 @@ public class FilesManager
         return files.ToList();
     }
 
+    internal void RemoveFilesThatDontExist()
+    {
+        List<PrivateHyperFileInfo> filesToRemove = files
+            .Where(f => !File.Exists(f.FilePath))
+            .ToList();
+
+        foreach (PrivateHyperFileInfo fileToRemove in filesToRemove)
+        {
+            _ = files.Remove(fileToRemove);
+        }
+
+        SaveFiles();
+    }
+
     private void SaveFiles()
     {
         File.WriteAllText(ApiConfiguration.FilesInfoPath, JsonSerializer.Serialize(files));

HyperbolicDownloaderApi/Managment/ApiConfiguration.cs

@@ -1,13 +1,12 @@
-using System.Reflection;
-
-namespace HyperbolicDownloaderApi.Managment;
+namespace HyperbolicDownloaderApi.Managment;
 
 public static class ApiConfiguration
 {
     public const int BroadcastPort = 2155;
     public const int PrivatePort = 3055;
     public static int PublicPort { get; set; }
-    public static string BasePath { get; } = Path.GetDirectoryName(Assembly.GetEntryAssembly()!.Location) ?? string.Empty;
+    public static string BasePath { get; } = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "StoneRed", "HyperbolicDownloader");
     public static string HostsFilePath { get; } = Path.Combine(BasePath, "Hosts.json");
     public static string FilesInfoPath { get; } = Path.Combine(BasePath, "Files.json");
+    public static string DirectoriesInfoPath { get; } = Path.Combine(BasePath, "Directories.json");
 }

HyperbolicDownloaderApi/Managment/ApiManager.cs

@@ -21,10 +21,12 @@ public class ApiManager
     public static IPAddress? PublicIpAddress => device?.GetExternalIPAsync().GetAwaiter().GetResult();
     public FilesManager FilesManager { get; } = new();
     public HostsManager HostsManager { get; } = new();
+    public DirectoryWatcher DirectoryWatcher { get; }
 
     public ApiManager()
     {
         networkClient = new(FilesManager);
+        DirectoryWatcher = new(FilesManager);
     }
 
     public static NetworkSocket? GetLocalSocket()