Сохранение громкости плеера

PlaylistShared.Pwa/Services/PlayerStorage.cs

@@ -0,0 +1,30 @@
+using Microsoft.JSInterop;
+
+namespace PlaylistShared.Pwa.Services;
+
+public class PlayerStorage
+{
+    private readonly IJSRuntime _js;
+    private const string VolumeKey = "audio_player_volume";
+
+    public PlayerStorage(IJSRuntime js) => _js = js;
+
+    public async Task SetVolumeAsync(double volume)
+    {
+        await _js.InvokeVoidAsync("localStorage.setItem", VolumeKey, volume);
+    }
+
+    public async Task<double> GetVolumeAsync()
+    {
+        var volume = await _js.InvokeAsync<string>("localStorage.getItem", VolumeKey);
+
+        if (double.TryParse(volume, out var result))
+        {
+            result = Math.Clamp(result, 0, 100);
+
+            return result;
+        }
+
+        return 0;
+    }
+}

PlaylistShared.Pwa/Services/TokenStorage.cs

@@ -28,4 +28,4 @@ public class TokenStorage
         await _js.InvokeVoidAsync("localStorage.removeItem", TokenKey);
         await _js.InvokeVoidAsync("localStorage.removeItem", RefreshTokenKey);
     }
-}
+}