private static Exception ReportBuildProblem(IEnumerable<KeyValuePair<Type, Type>> views,
ArgumentException exception)
{
var overSizedCounts = views.GroupBy(x => x.Key)
.Select(x => new {x.Key.Name, Count = x.Count()})
.Where(x => x.Count > 1)
.ToList();
if (overSizedCounts.Count == 0)
{
// no idea what the error is - so throw the original
return exception.MvxWrap("Unknown problem in ViewModelViewLookup construction");
}
else
{
var overSizedText = string.Join(",", overSizedCounts);
return exception.MvxWrap(
"Problem seen creating View-ViewModel lookup table - you have more than one View registered for the ViewModels: {0}",
overSizedText);
}
}