/// <summary>
/// Information in metadata is stored as xml
/// get back the vale of an attribute
/// e.g. title = "dataset title"
/// /// </summary>
/// <param name="datasetVersion"></param>
/// <param name="name"></param>
/// <returns></returns>
public string GetInformationFromVersion(long datasetVersionId, long metadataStructureId, NameAttributeValues name)
{
using (var unitOfWork = this.GetUnitOfWork())
using (DatasetManager dm = new DatasetManager())
using (MetadataStructureManager msm = new MetadataStructureManager())
{
if (datasetVersionId <= 0)
{
return(String.Empty);
}
if (metadataStructureId <= 0)
{
return(String.Empty);
}
MetadataStructure metadataStructure = msm.Repo.Get(metadataStructureId);
if ((XmlDocument)metadataStructure.Extra == null)
{
return(string.Empty);
}
XDocument xDoc = XmlUtility.ToXDocument((XmlDocument)metadataStructure.Extra);
XElement temp = XmlUtility.GetXElementByAttribute(nodeNames.nodeRef.ToString(), "name", name.ToString(),
xDoc);
string xpath = temp.Attribute("value").Value.ToString();
return(dm.GetMetadataValueFromDatasetVersion(datasetVersionId, xpath));
}
}
