public LinkOwner CreateEntry(IHtmlResults newUpdate, ObjectId userid)
{
try
{
HtmlRecord record = Database.Instance.htmlCollection.FindOneAs <HtmlRecord>(Query.EQ("url", newUpdate.domain.AbsoluteUri));
LinkOwner ownerResult = null;
if (record == null)
{
record = new HtmlRecord(newUpdate.domain);
ownerResult = record.AddResults(newUpdate, userid);
Database.Instance.htmlCollection.Save(record, WriteConcern.Acknowledged);
jobSchedule.AddNewJob(record.id, record.timeStamp);
processJobs.Set();
}
else
{
ownerResult = record.AddResults(newUpdate, userid);
Database.Instance.htmlCollection.Save(record, WriteConcern.Acknowledged);
}
return(ownerResult);
}
catch (MongoWriteConcernException ex)
{
Console.WriteLine(ex.ToString());
// TODO: stop potential stack overflow exception
return(CreateEntry(newUpdate, userid));
}
}
public LinkFeedParams ModifySubscription(ObjectId recordid, ObjectId resultsid,
string htmlTags, HashSet <string> keywords)
{
LinkFeedParams parameters = null;
if (links.ContainsKey(resultsid))
{
if (links[resultsid].htmlTags == htmlTags)
{
links[resultsid].ReplaceKeywords(keywords);
parameters = links[resultsid];
}
else
{
IHtmlRecord record = DataManager.Instance.GetHtmlRecord(recordid);
record.RemoveResults(resultsid, id);
IHtmlResults results = record.AddResults(htmlTags, id);
parameters = new LinkFeedParams(record.recordid, results.resultsid,
record.domain.AbsoluteUri, results.htmlTags, keywords);
DataManager.Instance.SaveHtmlRecord(record);
links.Add(results.resultsid, parameters);
}
}
return(parameters);
}
public LinkFeedParams AddLinkFeed(string url, string htmlTags, HashSet <string> keywords)
{
if (!links.Any(pair => pair.Value.url == url &&
pair.Value.htmlTags == htmlTags))
{
IHtmlRecord record = DataManager.Instance.CreateHtmlRecord(new Uri(url));
IHtmlResults results = record.AddResults(htmlTags, id);
LinkFeedParams parameters = new LinkFeedParams(record.recordid, results.resultsid,
record.domain.AbsoluteUri, results.htmlTags, keywords);
DataManager.Instance.SaveHtmlRecord(record);
links.Add(results.resultsid, parameters);
return(parameters);
}
else
{
throw new Exception();
}
}
public List <Tuple <LinkFeedParams, List <UserLink> > > GetAllLinkFeeds()
{
List <Tuple <LinkFeedParams, List <UserLink> > > linkFeeds = new List <Tuple <LinkFeedParams, List <UserLink> > >();
foreach (KeyValuePair <ObjectId, LinkFeedParams> pair in links)
{
IHtmlRecord record = DataManager.Instance.GetHtmlRecord(pair.Value.recordid);
IHtmlResults results = record.GetHtmlResults(pair.Value.resultsid);
List <UserLink> userLinks;
if (pair.Value.keywords != null)
{
userLinks = results.GetLinkFeedResults(pair.Value.keywords);
}
else
{
userLinks = results.GetLinkFeedResults(new HashSet <string>());
}
linkFeeds.Add(new Tuple <LinkFeedParams, List <UserLink> >(pair.Value, userLinks));
pair.Value.UpdateTimeStamp();
}
return(linkFeeds);
}