/// <summary>Create missing mappings for a page.</summary>
/// <return>The number of inserted mappings.</return>
public int ProcessPage(Page page, Lang[] langs)
{
// don't process ignored pages
if (page.IsIgnored) return 0;
var maps = page.Mappings;
var now = DateTime.UtcNow;
var count = 0;
// Creating the missing mappings
foreach(var lang in langs.Where(x => !maps.Any(y => y.Code == x.Code)))
{
var mapping = new Mapping
{
Code = lang.Code,
Created = now,
Page = page
};
page.Mappings.Add(mapping);
Mappings.Create(mapping);
count++;
}
return count;
}
/// <summary>Create missing mappings for a page.</summary>
/// <return>The number of inserted mappings.</return>
public int ProcessPage(Page page)
{
// TODO: performance is really poor, to be redesigned (see also below)
var langs = Langs.List().ToArray();
return ProcessPage(page, langs);
}
public void Create(Page page)
{
// HACK: should be using database-side value generation?
page.Created = DateTime.UtcNow;
page.LastUpdated = page.Created;
using (var trans = Session.BeginTransaction())
{
Session.Save(page);
trans.Commit();
}
}
public void EditFull(long id, Page page)
{
using(var trans = Session.BeginTransaction())
{
var dbPage = Session.Get<Page>(id);
dbPage.LastUpdated = page.LastUpdated;
dbPage.IsIgnored = page.IsIgnored;
dbPage.Url = page.Url;
Session.Update(dbPage);
trans.Commit();
}
}
public void Edit(long id, Page page)
{
using (var trans = Session.BeginTransaction())
{
var dbPage = Session.Get<Page>(id);
// don't change 'LastUpdated' (on purpose)
dbPage.IsIgnored = page.IsIgnored;
dbPage.Url = page.Url;
Session.Update(dbPage);
trans.Commit();
}
}
/// <summary>Create missing mappings.</summary>
/// <return>The number of inserted mappings.</return>
public void ProcessPage(Page page)
{
var langs = Langs.List().ToArray();
var maps = page.Mappings;
var now = DateTime.UtcNow;
foreach (var lang in langs.Where(x => !maps.Any(y => y.Code == x.Code)))
{
var mapping = new Mapping
{
Code = lang.Code,
Created = now,
Page = page
};
page.Mappings.Add(mapping);
Mappings.Create(mapping);
}
}
/// <summary>Retrieves all the udaptes and
/// inserts the new pages.</summary>
/// <returns>Number of updated pages.</returns>
public int ProcessFeed(long feedId)
{
var feed = Feeds.Edit(feedId);
var doc = new XPathDocument(feed.Url);
// HACK: parsing should be made more fault tolerant
// TODO: using 2 iterators is NOT the way to go.
var nav = doc.CreateNavigator();
var iter1 = nav.Select("/rss/channel/item/link");
var iter2 = nav.Select("/rss/channel/item/pubDate");
var feedItems = new List<FeedItem>();
while (iter1.MoveNext())
{
iter2.MoveNext();
feedItems.Add(new FeedItem
{
Link = iter1.Current.Value,
PubDate = DateTime.Parse(iter2.Current.Value)
});
};
foreach(var item in feedItems)
{
var page = Pages.Find(item.Link);
if (null == page)
{
var now = DateTime.UtcNow;
page = new Page
{
Created = now,
LastUpdated = item.PubDate,
Url = item.Link
};
Pages.Create(page);
}
else
{
page.LastUpdated = item.PubDate;
Pages.EditFull(page.Id, page);
}
}
return feedItems.Count();
}
public ActionResult Edit(long id, Page page)
{
_pages.Edit(id, page);
return RedirectToAction("Index");
}