/// <summary>
/// Completes the transaction scope only if the <paramref name="modelState"/> is
/// valid, indicating that no handled or unhandled errors occurred udring execution.
/// </summary>
/// <param name="modelState">
/// The <see cref="ModelStateDictionary"/> to check for validity, usually accessed via
/// controller.ModelState or similar.
/// </param>
public static async Task CompleteIfValidAsync(this ITransactionScope scope, ModelStateDictionary modelState)
{
if (modelState.IsValid)
{
await scope.CompleteAsync();
}
}