Rilascia gestione completa progetti e aggiornamenti 0.4.0

Services/CloudSyncService.cs

@@ -0,0 +1,54 @@
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace LMEMappeCatastaliApp.Services;
+
+public sealed class CloudSyncService
+{
+    private readonly HttpClient _httpClient = new() { Timeout = TimeSpan.FromMinutes(3) };
+
+    public async Task UploadAsync(string endpoint, string userName, string password, string localPath, CancellationToken cancellationToken = default)
+    {
+        var target = BuildTarget(endpoint);
+        using var request = new HttpRequestMessage(HttpMethod.Put, target);
+        ApplyCredentials(request, userName, password);
+        request.Content = new StreamContent(File.OpenRead(localPath));
+        request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/zip");
+        using var response = await _httpClient.SendAsync(request, cancellationToken);
+        response.EnsureSuccessStatusCode();
+    }
+
+    public async Task<string> DownloadAsync(string endpoint, string userName, string password, CancellationToken cancellationToken = default)
+    {
+        using var request = new HttpRequestMessage(HttpMethod.Get, BuildTarget(endpoint));
+        ApplyCredentials(request, userName, password);
+        using var response = await _httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
+        response.EnsureSuccessStatusCode();
+        var directory = Path.Combine(FileSystem.CacheDirectory, "CloudSync");
+        Directory.CreateDirectory(directory);
+        var path = Path.Combine(directory, $"LME-cloud-{DateTime.Now:yyyyMMdd-HHmmss}.lmebackup.zip");
+        await using var input = await response.Content.ReadAsStreamAsync(cancellationToken);
+        await using var output = File.Create(path);
+        await input.CopyToAsync(output, cancellationToken);
+        return path;
+    }
+
+    private static Uri BuildTarget(string endpoint)
+    {
+        if (!Uri.TryCreate(endpoint?.Trim(), UriKind.Absolute, out var uri)
+            || (uri.Scheme != Uri.UriSchemeHttps && uri.Scheme != Uri.UriSchemeHttp))
+        {
+            throw new ArgumentException("Inserisci un indirizzo WebDAV http o https valido.");
+        }
+        return uri.AbsolutePath.EndsWith(".zip", StringComparison.OrdinalIgnoreCase)
+            ? uri
+            : new Uri($"{uri.ToString().TrimEnd('/')}/LMEMappeCatastali-sync.lmebackup.zip");
+    }
+
+    private static void ApplyCredentials(HttpRequestMessage request, string userName, string password)
+    {
+        if (string.IsNullOrWhiteSpace(userName)) return;
+        var value = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{userName}:{password}"));
+        request.Headers.Authorization = new AuthenticationHeaderValue("Basic", value);
+    }
+}