public static XDoc GetCommentXmlAsAtom(IList <CommentBE> comments, XUri feedUri, PageBE page)
{
var resources = DekiContext.Current.Resources;
string title = resources.Localize(DekiResources.COMMENT_FOR(page.Title.AsUserFriendlyName()));
XAtomFeed feed = new XAtomFeed(title, feedUri, DateTime.UtcNow);
feed.AddLink(PageBL.GetUriUi(page), XAtomBase.LinkRelation.Alternate, MimeType.XHTML, null, page.Title.AsUserFriendlyName());
feed.Id = feedUri;
foreach (CommentBE c in comments)
{
UserBE posterUser = UserBL.GetUserById(c.PosterUserId);
title = c.Title;
if (string.IsNullOrEmpty(title))
{
title = resources.Localize(DekiResources.COMMENT_BY_TO(posterUser.Name, page.Title.AsUserFriendlyName()));
}
XAtomEntry entry = feed.StartEntry(title, c.CreateDate, (c.LastEditDate == null || c.LastEditDate == DateTime.MinValue) ? c.CreateDate : c.LastEditDate.Value);
entry.Id = GetUri(c);
entry.AddAuthor(posterUser.Name, UserBL.GetUriUiHomePage(posterUser), posterUser.Email);
MimeType commentMimetype;
MimeType.TryParse(c.ContentMimeType, out commentMimetype);
entry.AddContent(c.Content);
XUri entryLink = PageBL.GetUriUi(page).WithFragment("comment" + c.Number);
entry.AddLink(entryLink, XAtomBase.LinkRelation.Alternate, null, null, null);
entry.AddLink(GetUri(c).At("content"), XAtomBase.LinkRelation.Enclosure, commentMimetype, c.Content.Length, "content");
feed.End();
}
return(feed);
}
public Yield GetEntry(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
string id = context.GetParam("id");
XAtomEntry entry = null;
// get feed
XAtomFeed feed = _feed;
if (feed != null)
{
lock (feed) {
entry = new XAtomEntry(feed[string.Format("entry[id='{0}']", Self.At(id).Uri)]);
}
}
else
{
throw new DreamBadRequestException("not initialized");
}
if (entry.IsEmpty)
{
response.Return(DreamMessage.NotFound("entry not found"));
}
else
{
response.Return(DreamMessage.Ok(MimeType.ATOM, entry));
}
yield break;
}
protected override Yield Stop(Result result)
{
_feed = null;
yield return(Coroutine.Invoke(base.Stop, new Result()));
result.Return();
}
private void AutoDeletePost(TaskTimer timer)
{
XAtomFeed feed = _feed;
if (feed != null)
{
lock (feed) {
feed[string.Format("_:entry[_:id='{0}']", Self.At(((int)timer.State).ToString()).Uri.AsPublicUri())].Remove();
}
}
}
//--- Methods ---
protected override Yield Start(XDoc config, Result result)
{
yield return(Coroutine.Invoke(base.Start, config, new Result()));
if (_feed == null)
{
_feed = new XAtomFeed(config["feed-title"].AsText ?? "Atom Feed", Self, DateTime.UtcNow);
_defaultTTL = config["default-ttl"].AsDouble ?? 3600.0;
_counter = 0;
}
result.Return();
}
private XAtomFeed LoadFeed()
{
var storageResponse = Storage.At("feed.xml").Get(new Result <DreamMessage>()).Wait();
if (storageResponse.IsSuccessful)
{
return(new XAtomFeed(storageResponse.ToDocument()));
}
var feed = new XAtomFeed("some feed", Self.Uri.AsPublicUri(), DateTime.UtcNow);
SaveFeed(feed);
return(feed);
}
public Yield GetEntries(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
XAtomFeed feed = _feed;
if (feed != null)
{
response.Return(DreamMessage.Ok(MimeType.ATOM, _feed));
}
else
{
throw new DreamBadRequestException("not initialized");
}
yield break;
}
internal Yield DeleteEntry(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
string id = context.GetParam("id");
XAtomFeed feed = _feed;
if (feed != null)
{
lock (feed) {
feed[string.Format("entry[id='{0}']", id)].Remove();
}
}
response.Return(DreamMessage.Ok());
yield break;
}
public XDoc Calendar(
[DekiExtParam("Google calendar feed uri ")] XUri uri,
[DekiExtParam("starting date (default: today)", true)] string startDate,
[DekiExtParam("ending date (default: 7 days from today)", true)] string endDate,
[DekiExtParam("calendar width (default: 800)", true)] float?width,
[DekiExtParam("calendar height (default: 800)", true)] float?height
)
{
XDoc result = new XDoc("html");
// try reading supplied dates
DateTime start;
DateTime end;
if (!DateTime.TryParse(startDate, out start))
{
start = DateTime.UtcNow;
}
if (!DateTime.TryParse(endDate, out end))
{
end = DateTime.UtcNow.AddDays(7);
}
Plug calPlug = Plug.New(uri).With("start-min", start.ToString("s")).With("start-max", end.ToString("s"));
DreamMessage response = calPlug.GetAsync().Wait();
if (response.IsSuccessful)
{
XDoc doc = response.ToDocument();
if (doc.HasName("feed"))
{
XAtomFeed calFeed = new XAtomFeed(doc);
calFeed.UsePrefix("atom", "http://www.w3.org/2005/Atom");
XUri embedUri = calFeed["atom:link[@rel='alternate']/@href"].AsUri;
result = NewIFrame(embedUri, width ?? 800, height ?? 800);
}
else
{
// BUGBUGBUG (steveb): user provided an embeddable representation; we won't be able to use the start and end date parameters then.
result = NewIFrame(uri, width ?? 800, height ?? 800);
}
}
return(result);
}
internal Yield PutEntry(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
if (request.ToDocument().Name != "entry")
{
throw new DreamBadRequestException("invalid format");
}
string id = context.GetParam("id");
// prepare entry
XAtomEntry entry = new XAtomEntry(request.ToDocument());
XUri link = Self.At(id);
entry.Id = link;
entry.AddLink(link, XAtomBase.LinkRelation.Edit, null, 0, null);
// update feed
XAtomFeed feed = _feed;
XAtomEntry oldEntry;
if (feed != null)
{
lock (feed) {
oldEntry = new XAtomEntry(feed[string.Format("entry[id='{0}']", link)]);
if (!oldEntry.IsEmpty)
{
oldEntry.Replace(entry);
}
}
}
else
{
throw new DreamBadRequestException("not initialized");
}
if (oldEntry.IsEmpty)
{
response.Return(DreamMessage.NotFound("entry not found"));
}
else
{
response.Return(DreamMessage.Ok(MimeType.ATOM, entry));
}
yield break;
}
internal Yield PostEntries(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
if (request.ToDocument().Name != "entry")
{
throw new DreamBadRequestException("invalid format");
}
// prepare entry
XAtomEntry entry = new XAtomEntry(request.ToDocument());
int number = System.Threading.Interlocked.Increment(ref _counter);
XUri link = Self.At(number.ToString());
entry.Id = link;
entry.AddLink(link, XAtomBase.LinkRelation.Edit, null, 0, null);
// update feed
XAtomFeed feed = _feed;
if (feed != null)
{
lock (feed) {
feed.Add(entry);
}
}
else
{
throw new DreamBadRequestException("not initialized");
}
// schedule entry deletion
double seconds = context.GetParam <double>("ttl", _defaultTTL);
if (seconds > 0)
{
TimerFactory.New(TimeSpan.FromSeconds(seconds), AutoDeletePost, number, TaskEnv.Clone());
}
// return updated entry
response.Return(DreamMessage.Created(link, entry));
yield break;
}
private void SaveFeed(XAtomFeed feed)
{
Storage.At("feed.xml").Put(feed);
}
