public AtomEntry GetEntry(Id entryId)
{
ItemDataContext dc = new ItemDataContext();
Item item = dc.Items.Where(i => i.Id == entryId.ToString()).SingleOrDefault();
SyndicationItem si = new SyndicationItem()
{
Id = item.Id,
LastUpdatedTime = item.LastUpdatedTime,
PublishDate = item.PublishDate.Value
};
if (!string.IsNullOrEmpty(item.BaseUri)) si.BaseUri = new Uri(item.BaseUri);
LoadAttributes(si.AttributeExtensions, item.Attributes);
LoadElements(si.ElementExtensions, item.Elements);
LoadPersons(si.Authors, item.Persons, PersonTypeAuthor);
LoadPersons(si.Contributors, item.Persons, PersonTypeContributor);
si.Content = GetContent(item.Content);
si.Title = GetTextContent(item.Title);
si.Summary = GetTextContent(item.Summary);
si.Copyright = GetTextContent(item.Copyright);
LoadLinks(si.Links, item.Links);
LoadCategories(si.Categories, item.Categories);
using (Stream s = new MemoryStream())
{
XmlWriter w = new XmlTextWriter(s, Encoding.UTF8);
si.GetAtom10Formatter().WriteTo(w);
w.Flush();
AtomEntry entry = new AtomEntry();
s.Position = 0;
XmlReader r = new XmlTextReader(s);
entry.Xml = XElement.Load(r);
//entry.ReadXml(r);
return entry;
}
}
public AtomEntry CreateEntry(AtomEntry entry)
{
//translate from atom entry into syndication item for persisting
//TODO: make this an extension
SyndicationItem synItem;
using (MemoryStream ms = new MemoryStream())
{
XmlWriter w = new XmlTextWriter(ms, Encoding.UTF8);
entry.Xml.Save(w);
w.Flush();
ms.Position = 0;
XmlReader r = new XmlTextReader(ms);
synItem = SyndicationItem.Load(r);
}
//TODO: transaction, handle existing Id
using (ItemDataContext dc = new ItemDataContext())
{
Item i = new Item();
i.BaseUri = synItem.BaseUri != null ? synItem.BaseUri.OriginalString : null;
i.Id = synItem.Id;
i.LastUpdatedTime = synItem.LastUpdatedTime.DateTime;
i.PublishDate = synItem.PublishDate.DateTime;
i.Title = CreateTextContent(synItem.Title);
i.Summary = CreateTextContent(synItem.Summary);
i.Copyright = CreateTextContent(synItem.Copyright);
//TODO: content
dc.SubmitChanges(); //save content to get content keys (one to one)
dc.Items.InsertOnSubmit(i);
dc.SubmitChanges(); //save item to get item key
//child data (one to many)
SaveAttributes(i.Attributes, synItem.AttributeExtensions, i.ItemKey);
SaveElements(i.Elements, synItem.ElementExtensions, i.ItemKey);
SavePeople(i.Persons, synItem.Authors, PersonTypeAuthor, i.ItemKey);
SavePeople(i.Persons, synItem.Contributors, PersonTypeContributor, i.ItemKey);
//TODO:links, categories
}
return entry;
}
public DlinqBaseRepository(ItemDataContext itemDataContext)
{
dc = itemDataContext;
}