public static XElement HeaderItem(Header rec, string granularity)
{
return rec == null ? null
: new XElement("header",
new XElement("identifier", rec.OAI_Identifier),
new XElement("datestamp", rec.Datestamp.HasValue ? rec.Datestamp.Value.ToString(granularity) : rec.Datestamp.ToString()),
from s in rec.OAI_Set.Split(';')
select new XElement("setSpec", s));
}
public static void AddRecHeaderToDatabase(
OaiPmhContext context,
Header header,
OAIDataProvider dataProvider,
bool createNewIdentifier,
string identifierBase)
{
header.OAIDataProviderId = dataProvider.OAIDataProviderId;
context.Header.Add(header);
context.SaveChanges();
if (createNewIdentifier)
{
if(identifierBase.ElementAt(identifierBase.Length -1) != ':')
{
identifierBase += ':';
}
header.OAI_Identifier = identifierBase + header.HeaderId;
context.Entry(header).State = System.Data.EntityState.Modified;
}
}
public RecordQueryResult(Header header, Metadata metadata, IEnumerable<Metadata> about)
{
this.Header = header;
this.Metadata = metadata;
this.About = about == null ? null : about.ToList();
}
public RecordQueryResult(Header header, Metadata metadata)
{
this.Header = header;
this.Metadata = metadata;
}
public static async Task<XElement> HeaderItemAsync(Header rec, string granularity)
{
return await Task.Run<XElement>(() => HeaderItem(rec, granularity)).ConfigureAwait(false);
}