SzmediTools/GeologyToolkit/GeologyFailureProcessor.cs

using Autodesk.Revit.DB;

namespace GeologyToolkit
{
    internal class GeologyFailureProcessor : IFailuresPreprocessor
    {
        public bool HasError { get; set; }

        public string FailureMessage { get; set; }

        public FailureProcessingResult PreprocessFailures(FailuresAccessor failuresAccessor)
        {
            var failures = failuresAccessor.GetFailureMessages();
            if (failures.Count == 0)
                return FailureProcessingResult.Continue;

            foreach (var failure in failures)
            {
                if (failure.GetSeverity() == FailureSeverity.Error)
                {
                    FailureMessage = failure.GetDescriptionText();
                    HasError = true;
                    return FailureProcessingResult.ProceedWithRollBack;
                }

                if (failure.GetSeverity() == FailureSeverity.Warning)
                {
                    failuresAccessor.DeleteWarning(failure);
                }
            }

            return FailureProcessingResult.Continue;
        }
    }
}