Rilascia gestione completa progetti e aggiornamenti 0.4.0

Services/AppUpdateService.cs

@@ -0,0 +1,44 @@
+using System.Net.Http.Json;
+using System.Reflection;
+using System.Text.Json.Serialization;
+
+namespace LMEMappeCatastaliApp.Services;
+
+public sealed class AppUpdateService
+{
+    private const string LatestReleaseUrl = "https://gitea.lmcloud.it/api/v1/repos/livio/LMEMappeCatastaliApp/releases/latest";
+    private readonly HttpClient _httpClient = new() { Timeout = TimeSpan.FromSeconds(20) };
+
+    public static string CurrentVersion =>
+        typeof(AppUpdateService).Assembly
+            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
+            .InformationalVersion.Split('+')[0]
+        ?? AppInfo.Current.VersionString;
+
+    public async Task<AppUpdateResult> CheckAsync(CancellationToken cancellationToken = default)
+    {
+        var release = await _httpClient.GetFromJsonAsync<GiteaRelease>(LatestReleaseUrl, cancellationToken)
+            ?? throw new InvalidDataException("Risposta aggiornamenti non valida.");
+        var latestText = (release.TagName ?? string.Empty).TrimStart('v', 'V');
+        _ = Version.TryParse(CurrentVersion, out var current);
+        _ = Version.TryParse(latestText, out var latest);
+        var apk = release.Assets?.FirstOrDefault(item => item.Name?.EndsWith(".apk", StringComparison.OrdinalIgnoreCase) == true);
+        return new(latest is not null && current is not null && latest > current, latestText, release.HtmlUrl ?? string.Empty, apk?.BrowserDownloadUrl ?? release.HtmlUrl ?? string.Empty, release.Body ?? string.Empty);
+    }
+
+    private sealed class GiteaRelease
+    {
+        [JsonPropertyName("tag_name")] public string? TagName { get; set; }
+        [JsonPropertyName("html_url")] public string? HtmlUrl { get; set; }
+        [JsonPropertyName("assets")] public GiteaAsset[]? Assets { get; set; }
+        [JsonPropertyName("body")] public string? Body { get; set; }
+    }
+
+    private sealed class GiteaAsset
+    {
+        [JsonPropertyName("name")] public string? Name { get; set; }
+        [JsonPropertyName("browser_download_url")] public string? BrowserDownloadUrl { get; set; }
+    }
+}
+
+public sealed record AppUpdateResult(bool IsAvailable, string Version, string ReleaseUrl, string DownloadUrl, string ReleaseNotes);

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);
+    }
+}

Services/MapExportService.cs

@@ -135,11 +135,43 @@ public sealed class MapExportService
 
     private static byte[] BuildPdfReport(JsonElement features, string title)
     {
+        var paths = features.EnumerateArray()
+            .Where(feature => feature.TryGetProperty("geometry", out _))
+            .SelectMany(feature => PdfCoordinatePaths(feature.GetProperty("geometry")))
+            .Where(path => path.Count > 0)
+            .ToArray();
+        var points = paths.SelectMany(path => path).ToArray();
+        var minLon = points.Length == 0 ? 0 : points.Min(point => point.Lon);
+        var maxLon = points.Length == 0 ? 1 : points.Max(point => point.Lon);
+        var minLat = points.Length == 0 ? 0 : points.Min(point => point.Lat);
+        var maxLat = points.Length == 0 ? 1 : points.Max(point => point.Lat);
+        var lonSpan = Math.Max(0.0000001, maxLon - minLon);
+        var latSpan = Math.Max(0.0000001, maxLat - minLat);
+        const double mapLeft = 48, mapBottom = 438, mapWidth = 499, mapHeight = 330;
+        var scale = Math.Min(mapWidth / lonSpan, mapHeight / latSpan);
+        var drawing = new StringBuilder("0.08 0.44 0.37 RG 0.86 0.94 0.91 rg 1.4 w ");
+        foreach (var path in paths.Take(400))
+        {
+            for (var pointIndex = 0; pointIndex < path.Count; pointIndex++)
+            {
+                var x = mapLeft + (path[pointIndex].Lon - minLon) * scale;
+                var y = mapBottom + (path[pointIndex].Lat - minLat) * scale;
+                drawing.AppendFormat(CultureInfo.InvariantCulture, "{0:0.##} {1:0.##} {2} ", x, y, pointIndex == 0 ? "m" : "l");
+            }
+            drawing.Append("S ");
+        }
+        drawing.Append("0 0 0 RG 1 w 497 730 m 497 758 l S 497 758 m 491 746 l 503 746 l h f ");
+        var middleLatitude = (minLat + maxLat) / 2;
+        var widthMeters = lonSpan * 111_320 * Math.Cos(middleLatitude * Math.PI / 180);
+        var scaleMeters = Math.Max(1, NiceScaleDistance(widthMeters / 4));
+        var scalePixels = widthMeters <= 0 ? 80 : Math.Clamp(scaleMeters / widthMeters * mapWidth, 35, 150);
+        drawing.AppendFormat(CultureInfo.InvariantCulture, "48 422 m {0:0.##} 422 l S 48 418 m 48 426 l S {0:0.##} 418 m {0:0.##} 426 l S ", 48 + scalePixels);
         var lines = new List<string>
         {
             title,
             $"Rapporto LME Mappe Catastali - {DateTime.Now:dd/MM/yyyy HH:mm}",
             $"Oggetti: {features.GetArrayLength()}",
+            $"Scala grafica: {scaleMeters:0} m | Nord: alto pagina",
             ""
         };
         var index = 1;
@@ -148,14 +180,17 @@ public sealed class MapExportService
             var properties = feature.TryGetProperty("properties", out var value) ? value : default;
             var category = GetString(properties, "_lmeCategory") ?? "drawing";
             var geometry = feature.TryGetProperty("geometry", out var geo) ? geo.GetProperty("type").GetString() : "-";
-            lines.Add($"{index++}. {FeatureName(properties, category)} [{category}, {geometry}]");
+            var sheet = GetString(properties, "foglio") ?? GetString(properties, "FOGLIO");
+            var parcel = GetString(properties, "particella") ?? GetString(properties, "PARTICELLA") ?? GetString(properties, "LABEL");
+            var reference = string.Join(" ", new[] { sheet is null ? null : $"F.{sheet}", parcel is null ? null : $"P.{parcel}" }.Where(item => item is not null));
+            lines.Add($"{index++}. {FeatureName(properties, category)} [{category}, {geometry}] {reference}".TrimEnd());
         }
-        var content = new StringBuilder("BT /F1 16 Tf 48 790 Td ");
-        foreach (var line in lines.Take(42))
+        var content = drawing.Append("BT /F1 12 Tf 48 810 Td ");
+        foreach (var line in lines.Take(21))
         {
             var safe = line.Replace("\\", "\\\\").Replace("(", "\\(").Replace(")", "\\)")
                 .Select(character => character <= 255 ? character : '?').ToArray();
-            content.Append('(').Append(safe).Append(") Tj 0 -18 Td ");
+            content.Append('(').Append(safe).Append(") Tj 0 -16 Td ");
         }
         content.Append("ET");
         var stream = Encoding.Latin1.GetBytes(content.ToString());
@@ -183,6 +218,36 @@ public sealed class MapExportService
         return output.ToArray();
     }
 
+    private static double NiceScaleDistance(double value)
+    {
+        if (value <= 0) return 1;
+        var power = Math.Pow(10, Math.Floor(Math.Log10(value)));
+        var normalized = value / power;
+        var nice = normalized >= 5 ? 5 : normalized >= 2 ? 2 : 1;
+        return nice * power;
+    }
+
+    private static IEnumerable<List<(double Lon, double Lat)>> PdfCoordinatePaths(JsonElement geometry)
+    {
+        if (!geometry.TryGetProperty("type", out var typeElement) || !geometry.TryGetProperty("coordinates", out var coordinates)) yield break;
+        var type = typeElement.GetString();
+        if (type == "Point") { yield return [PdfPoint(coordinates)]; yield break; }
+        if (type == "LineString") { yield return coordinates.EnumerateArray().Select(PdfPoint).ToList(); yield break; }
+        if (type == "Polygon" || type == "MultiLineString")
+        {
+            foreach (var path in coordinates.EnumerateArray()) yield return path.EnumerateArray().Select(PdfPoint).ToList();
+            yield break;
+        }
+        if (type == "MultiPolygon")
+        {
+            foreach (var polygon in coordinates.EnumerateArray())
+            foreach (var path in polygon.EnumerateArray()) yield return path.EnumerateArray().Select(PdfPoint).ToList();
+        }
+    }
+
+    private static (double Lon, double Lat) PdfPoint(JsonElement coordinate) =>
+        (coordinate[0].GetDouble(), coordinate[1].GetDouble());
+
     private static string BuildKml(JsonElement features, string documentName)
     {
         var document = new XElement(Kml + "Document",

Services/ProjectStorageService.cs

@@ -68,7 +68,7 @@ public sealed class ProjectStorageService
             }
             var document = new MapProjectDocument
             {
-                SchemaVersion = 2,
+                SchemaVersion = 3,
                 Id = id,
                 Name = normalizedName,
                 CreatedAt = existing?.Document.CreatedAt ?? now,
@@ -76,9 +76,15 @@ public sealed class ProjectStorageService
                 IncludesCadastralParcels = includesCadastralParcels,
                 Folder = existing?.Document.Folder ?? string.Empty,
                 IsArchived = existing?.Document.IsArchived ?? false,
+                AccessMode = existing?.Document.AccessMode ?? "editable",
                 Map = snapshotDocument.RootElement.Clone()
             };
 
+            if (existing?.Document.AccessMode == "readonly")
+            {
+                throw new InvalidOperationException("Il progetto e' in sola lettura. Duplicalo per modificarlo.");
+            }
+
             var path = existing?.Path ?? Path.Combine(ProjectsDirectory, BuildFileName(normalizedName, id));
             var temporaryPath = path + ".tmp";
             try
@@ -131,6 +137,7 @@ public sealed class ProjectStorageService
                 UpdatedAt = now,
                 IncludesCadastralParcels = source.Document.IncludesCadastralParcels,
                 Folder = source.Document.Folder,
+                AccessMode = "editable",
                 Map = source.Document.Map.Clone()
             };
             var path = Path.Combine(ProjectsDirectory, BuildFileName(name, id));
@@ -240,7 +247,7 @@ public sealed class ProjectStorageService
         finally { _gate.Release(); }
     }
 
-    public async Task<string> CreateProjectPackageAsync(string projectId)
+    public async Task<string> CreateProjectPackageAsync(string projectId, bool readOnly = false)
     {
         await _gate.WaitAsync();
         try
@@ -249,8 +256,22 @@ public sealed class ProjectStorageService
                 ?? throw new FileNotFoundException("Il progetto selezionato non esiste piu'.");
             var directory = Path.Combine(FileSystem.CacheDirectory, "Projects");
             Directory.CreateDirectory(directory);
-            var path = Path.Combine(directory, Path.GetFileName(project.Path));
-            File.Copy(project.Path, path, true);
+            var mode = readOnly ? "readonly" : "editable";
+            var path = Path.Combine(directory, $"{Path.GetFileNameWithoutExtension(project.Path)}-{mode}{ProjectExtension}");
+            var package = new MapProjectDocument
+            {
+                SchemaVersion = 3,
+                Id = project.Document.Id,
+                Name = project.Document.Name,
+                CreatedAt = project.Document.CreatedAt,
+                UpdatedAt = project.Document.UpdatedAt,
+                IncludesCadastralParcels = project.Document.IncludesCadastralParcels,
+                Folder = project.Document.Folder,
+                IsArchived = false,
+                AccessMode = mode,
+                Map = project.Document.Map.Clone()
+            };
+            await File.WriteAllTextAsync(path, JsonSerializer.Serialize(package, _jsonOptions), new UTF8Encoding(false));
             return path;
         }
         finally { _gate.Release(); }
@@ -269,6 +290,7 @@ public sealed class ProjectStorageService
             source.Name = NormalizeName(source.Name);
             source.CreatedAt = source.UpdatedAt = DateTimeOffset.UtcNow;
             source.IsArchived = false;
+            source.AccessMode = source.AccessMode == "readonly" ? "readonly" : "editable";
             Directory.CreateDirectory(ProjectsDirectory);
             var target = Path.Combine(ProjectsDirectory, BuildFileName(source.Name, source.Id));
             await File.WriteAllTextAsync(target, JsonSerializer.Serialize(source, _jsonOptions), new UTF8Encoding(false));
@@ -316,6 +338,30 @@ public sealed class ProjectStorageService
         }
     }
 
+    public async Task<string> CreateScheduledBackupAsync(int keep = 10)
+    {
+        var source = await CreateBackupAsync();
+        var directory = Path.Combine(FileSystem.AppDataDirectory, "AutomaticBackups");
+        Directory.CreateDirectory(directory);
+        var target = Path.Combine(directory, $"LME-auto-{DateTime.Now:yyyyMMdd-HHmmss}.lmebackup.zip");
+        File.Copy(source, target, true);
+        foreach (var stale in Directory.EnumerateFiles(directory, "*.lmebackup.zip")
+                     .OrderByDescending(File.GetLastWriteTimeUtc).Skip(Math.Clamp(keep, 2, 30)))
+        {
+            File.Delete(stale);
+        }
+        return target;
+    }
+
+    public DateTimeOffset? GetLatestScheduledBackupTime()
+    {
+        var directory = Path.Combine(FileSystem.AppDataDirectory, "AutomaticBackups");
+        if (!Directory.Exists(directory)) return null;
+        var latest = Directory.EnumerateFiles(directory, "*.lmebackup.zip")
+            .OrderByDescending(File.GetLastWriteTimeUtc).FirstOrDefault();
+        return latest is null ? null : File.GetLastWriteTimeUtc(latest);
+    }
+
     private async Task<IReadOnlyList<ProjectFileEntry>> ReadProjectFilesAsync()
     {
         Directory.CreateDirectory(ProjectsDirectory);
@@ -397,9 +443,10 @@ public sealed class ProjectStorageService
         public bool IncludesCadastralParcels { get; set; }
         public string Folder { get; set; } = string.Empty;
         public bool IsArchived { get; set; }
+        public string AccessMode { get; set; } = "editable";
         public JsonElement Map { get; set; }
 
-        public MapProjectSummary ToSummary() => new(Id, Name, UpdatedAt, IncludesCadastralParcels, Folder, IsArchived);
+        public MapProjectSummary ToSummary() => new(Id, Name, UpdatedAt, IncludesCadastralParcels, Folder, IsArchived, AccessMode == "readonly");
     }
 }
 
@@ -409,6 +456,7 @@ public sealed record MapProjectSummary(
     DateTimeOffset UpdatedAt,
     bool IncludesCadastralParcels,
     string Folder,
-    bool IsArchived);
+    bool IsArchived,
+    bool IsReadOnly);
 
 public sealed record MapProjectVersion(string Id, DateTimeOffset UpdatedAt);