private void InsertIntoFeed(CanonicalName pkgCanonicalName, FourPartVersion pkgVersion, Uri location, AtomItem item = null) {
FeedBlob.Lock(blob => {
// update the feed
var feed = new AtomFeed();
//load the feed from the _canonicalFeedUrl if we can
try {
var originalFeed = LoadFeed(blob);
foreach (AtomItem i in originalFeed.Items.Where(each => each is AtomItem)) {
if (_feedName == "current") {
// if an older version of this package is in the current feed,
if (i.Model.CanonicalName.DiffersOnlyByVersion(pkgCanonicalName) && i.Model.CanonicalName.Version < pkgVersion) {
// push it to the archive feed.
try {
if (FeedHandlers["archive"] != null) {
FeedHandlers["archive"].InsertIntoFeed(i.Model.CanonicalName, i.Model.Version, i.Model.Locations[0]);
// and skip it
continue;
}
} catch {
}
}
}
feed.Add(i);
}
} catch {
}
item = item ?? _packageManager.GetAtomItem(pkgCanonicalName).Result;
if (item != null) {
// first, make sure that the feeds contains the intended feed location.
item.Model.Feeds = item.Model.Feeds ?? new XList<Uri>();
if (!item.Model.Feeds.Contains(_canonicalFeedUrl)) {
item.Model.Feeds.Insert(0, _canonicalFeedUrl);
}
item.Model.Locations = item.Model.Locations ?? new XList<Uri>();
if (!item.Model.Locations.Contains(location)) {
item.Model.Locations.Insert(0, location);
}
// drop dead urls
item.Model.Feeds = item.Model.Feeds.Distinct().Where(Peek).ToXList();
item.Model.Locations = item.Model.Locations.Distinct().Where(Peek).ToXList();
foreach (var l in item.Links.ToArray().Where(each => !Peek(each.Uri))) {
item.Links.Remove(l);
}
if (item.Model.Locations.Any()) {
// if we've got at least one valid location, add the item to the feed.
feed.Add(item);
}
}
SaveFeed(blob, feed);
// regenerate the webpi feed based on the items in this feed
SaveWebPiFeed(feed);
});
}
private Task<int> Validate() {
return Task.Factory.StartNew(() => {
var feed = new AtomFeed();
//load the feed from the _canonicalFeedUrl if we can
try {
FeedBlob.Lock(blob => {
var originalFeed = LoadFeed(blob);
foreach (AtomItem i in originalFeed.Items.Where(each => each is AtomItem)) {
// drop dead urls
i.Model.Feeds = i.Model.Feeds.Distinct().Where(Peek).ToXList();
i.Model.Locations = i.Model.Locations.Distinct().Where(Peek).ToXList();
foreach (var l in i.Links.ToArray().Where(each => !Peek(each.Uri))) {
i.Links.Remove(l);
}
if (i.Model.Locations.Any()) {
feed.Add(i);
}
}
SaveFeed(blob, feed);
});
} catch {
return 500;
}
return 200;
});
}