public static Sequential Load(string folderName, string urlName, EdxLoadOptions options)
{
return(Load <Sequential>(folderName, "sequential", urlName, options, seq =>
{
seq.Verticals = seq.VerticalReferences.Select(x => Vertical.Load(folderName, x.UrlName, options)).ExceptNulls().ToArray();
seq.VerticalReferences = seq.Verticals.Select(v => v.GetReference()).ToArray();
}));
}
private void SaveSequentialContainingSubverticals(EdxCourse course, IEnumerable <Vertical> verticalsToAdd, Vertical afterThisVertical)
{
var sequential = course.GetSequentialContainingVertical(afterThisVertical.UrlName);
var filename = string.Format("{0}/sequential/{1}.xml", OlxPath, sequential.UrlName);
var sequentialXml = XDocument.Load(filename).Root ?? new XElement("sequential");
var refs = sequentialXml.Elements("vertical").ToList();
var insertIndex = refs
.Select((v, i) => new { urlName = v.Attribute("url_name").Value, i })
.First(v => v.urlName == afterThisVertical.UrlName).i + 1;
refs.InsertRange(insertIndex, verticalsToAdd.Select(v => new XElement("vertical", new XAttribute("url_name", v.UrlName))));
sequentialXml.ReplaceNodes(refs);
sequentialXml.Save(filename);
new FileInfo(filename).RemoveXmlDeclaration();
}
