Migre le projet vers Blazor WebAssembly en .NET 10

ChessCubing.App/Services/MatchStore.cs

@@ -0,0 +1,106 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using ChessCubing.App.Models;
+
+namespace ChessCubing.App.Services;
+
+public sealed class MatchStore(BrowserBridge browser)
+{
+    public const string StorageKey = "chesscubing-arena-state-v2";
+    public const string WindowNameKey = "chesscubing-arena-state-v2:";
+
+    private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)
+    {
+        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+    };
+
+    private bool _dirty;
+    private long _lastPersistedAt;
+
+    public MatchState? Current { get; private set; }
+
+    public bool IsLoaded { get; private set; }
+
+    public async Task EnsureLoadedAsync()
+    {
+        if (IsLoaded)
+        {
+            return;
+        }
+
+        try
+        {
+            var raw = await browser.ReadMatchJsonAsync();
+            if (!string.IsNullOrWhiteSpace(raw))
+            {
+                var parsed = JsonSerializer.Deserialize<MatchState>(raw, JsonOptions);
+                if (parsed is not null && MatchEngine.IsSupportedSchemaVersion(parsed.SchemaVersion))
+                {
+                    MatchEngine.NormalizeRecoveredMatch(parsed);
+                    Current = parsed;
+                }
+            }
+        }
+        catch
+        {
+            Current = null;
+        }
+
+        IsLoaded = true;
+        _lastPersistedAt = MatchEngine.NowUnixMs();
+    }
+
+    public void SetCurrent(MatchState? match)
+    {
+        Current = match;
+        MarkDirty();
+    }
+
+    public void MarkDirty()
+        => _dirty = true;
+
+    public async Task SaveAsync()
+    {
+        if (!IsLoaded)
+        {
+            return;
+        }
+
+        if (Current is null)
+        {
+            await browser.ClearMatchAsync();
+            _dirty = false;
+            _lastPersistedAt = MatchEngine.NowUnixMs();
+            return;
+        }
+
+        var json = JsonSerializer.Serialize(Current, JsonOptions);
+        await browser.WriteMatchJsonAsync(json);
+        _dirty = false;
+        _lastPersistedAt = MatchEngine.NowUnixMs();
+    }
+
+    public async Task FlushIfDueAsync(long minimumIntervalMs = 1_000)
+    {
+        if (!_dirty)
+        {
+            return;
+        }
+
+        if (MatchEngine.NowUnixMs() - _lastPersistedAt < minimumIntervalMs)
+        {
+            return;
+        }
+
+        await SaveAsync();
+    }
+
+    public async Task ClearAsync()
+    {
+        Current = null;
+        IsLoaded = true;
+        _dirty = false;
+        _lastPersistedAt = MatchEngine.NowUnixMs();
+        await browser.ClearMatchAsync();
+    }
+}