Initial commit: Lagerbestand Blazor Projekt

Lagerbestand/Services/IFileStorageService.cs

@@ -0,0 +1,49 @@
+using Lagerbestand.Models;
+
+namespace Lagerbestand.Services;
+
+/// <summary>
+/// Service interface for file storage operations (disk/NFS based)
+/// </summary>
+public interface IFileStorageService
+{
+    /// <summary>
+    /// Gets the current storage settings
+    /// </summary>
+    Task<FileStorageSettings> GetSettingsAsync();
+
+    /// <summary>
+    /// Updates the storage settings
+    /// </summary>
+    Task SaveSettingsAsync(FileStorageSettings settings);
+
+    /// <summary>
+    /// Validates if the storage path is accessible and writable
+    /// </summary>
+    Task<(bool IsValid, string? ErrorMessage)> ValidateStoragePathAsync(string path);
+
+    /// <summary>
+    /// Saves a file to storage and returns the relative path
+    /// </summary>
+    Task<string> SaveFileAsync(byte[] content, string fileName, string subDirectory = "attachments");
+
+    /// <summary>
+    /// Reads a file from storage
+    /// </summary>
+    Task<byte[]?> ReadFileAsync(string relativePath);
+
+    /// <summary>
+    /// Deletes a file from storage
+    /// </summary>
+    Task<bool> DeleteFileAsync(string relativePath);
+
+    /// <summary>
+    /// Checks if a file exists in storage
+    /// </summary>
+    Task<bool> FileExistsAsync(string relativePath);
+
+    /// <summary>
+    /// Gets the file size in bytes
+    /// </summary>
+    Task<long> GetFileSizeAsync(string relativePath);
+}