private static string BuildMessage(SourceValueNotFoundArgs descriptor)
{
var sb = new StringBuilder();
var property = descriptor.Property;
sb.AppendLine($"Unable to find a value for '{property.Type.Name}' property '{property.Name}'.");
sb.AppendLine();
sb.AppendLine("Tried using the following selectors:");
foreach (var selector in descriptor.ValueSelectors)
{
sb.AppendLine(selector.GetType().Name.Replace("SourceValueSelector", ""));
}
sb.AppendLine();
var allSettings = descriptor
.Sources
.SelectMany(source => source.GetAvailableKeys())
.OrderBy(key => key)
.ToArray();
if (allSettings.Any() == false)
{
sb.AppendLine("There were no Settings to read");
return(sb.ToString());
}
sb.AppendLine("The following settings were available:");
sb.AppendLine();
if (allSettings.Any())
{
foreach (var key in allSettings)
{
sb.AppendLine($"{key}");
}
}
return(sb.ToString());
}
public SourceValueNotFoundException(SourceValueNotFoundArgs source)
: base(BuildMessage(source))
{
}