(#199) Async support in the EF Core repository pattern.

Author: Adrian Hall

src/CommunityToolkit.Datasync.Server.EntityFrameworkCore/EntityTableRepository.cs

@@ -209,5 +209,17 @@ await WrapExceptionAsync(entity.Id, async () =>
             _ = await Context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
         }, cancellationToken).ConfigureAwait(false);
     }
+
+    /// <inheritdoc />
+    public virtual async ValueTask<int> CountAsync(IQueryable<TEntity> query, CancellationToken cancellationToken = default)
+    {
+        return await query.CountAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public virtual async ValueTask<IList<TEntity>> ToListAsync(IQueryable<TEntity> query, CancellationToken cancellationToken = default)
+    {
+        return await query.ToListAsync(cancellationToken);
+    }
     #endregion
 }

tests/CommunityToolkit.Datasync.TestCommon/Databases/CosmosDb/CosmosDbContext.cs

@@ -38,10 +38,11 @@ internal void InitializeDatabase(bool clearEntities)
         }
     }
 
-    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
-    {
-        optionsBuilder.ConfigureWarnings(w => w.Ignore(CosmosEventId.SyncNotSupported));
-    }
+    // (Issue #199) - remove the sync over async capabilities introduced in .NET 9
+    //protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+    //{
+    //    optionsBuilder.ConfigureWarnings(w => w.Ignore(CosmosEventId.SyncNotSupported));
+    //}
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {