HangfireFSharp.cs.diff

HangfireFSharp.cs.diff

@@ -323,7 +323,7 @@ private static Job FromExpression([NotNull] LambdaExpression methodCall, [CanBeN
        {
            if (methodCall == null) throw new ArgumentNullException(nameof(methodCall));

            var callExpression = methodCall.Body as MethodCallExpression;
            var callExpression = UnwrapFSharpExpression(methodCall).Body as MethodCallExpression;
            if (callExpression == null)
            {
                throw new ArgumentException("Expression body should be of type `MethodCallExpression`", nameof(methodCall));
@@ -363,6 +363,36 @@ private static Job FromExpression([NotNull] LambdaExpression methodCall, [CanBeN
                GetExpressionValues(callExpression.Arguments));
        }

        private static LambdaExpression UnwrapFSharpExpression([NotNull] LambdaExpression sourceExpression)
        {
            if (sourceExpression == null) throw new ArgumentNullException(nameof(sourceExpression));

            var invokeExpression = sourceExpression.Body as MethodCallExpression;

            if (invokeExpression == null ||
                invokeExpression.Type.FullName != "Microsoft.FSharp.Core.Unit" ||
                invokeExpression.Method.Name != "Invoke")
            {
                return sourceExpression;
            }

            var tofsharpFuncExpression = invokeExpression.Object as MethodCallExpression;

            if (tofsharpFuncExpression == null ||
                tofsharpFuncExpression.Method.Name != "ToFSharpFunc")
            {
                return sourceExpression;
            }

            if (tofsharpFuncExpression.Arguments.Count != 1)
            {
                return sourceExpression;
            }

            var lambdaExpression = tofsharpFuncExpression.Arguments[0] as LambdaExpression;
            return lambdaExpression ?? sourceExpression;
        }