private IEnumerable <DownloadCount> GatherDownloadCounts(IEnumerable <DownloadEntity> downloads, out DateTime lastTime)
{
var countUpdates = new Dictionary <string, DownloadCount>();
lastTime = DateTime.MinValue;
foreach (var download in downloads)
{
var redirect = this.RedirectTable.GetRedirect(download.DownloadKey);
if (redirect != null)
{
// This protects against the case that the system transaction's download count last updated was not successfully
// written but the redirect count was updated.
if (redirect.DownloadCountLastUpdated.HasValue && redirect.DownloadCountLastUpdated < download.Timestamp)
{
DownloadCount dc;
if (!countUpdates.TryGetValue(download.DownloadKey, out dc))
{
dc = new DownloadCount(redirect);
countUpdates.Add(redirect.Id, dc);
}
++dc.Count;
}
}
lastTime = (lastTime < download.Timestamp.DateTime) ? download.Timestamp.DateTime : lastTime;
}
return(countUpdates.Values);
}
public string GetDownloadCountDisplayText()
{
if (HasDownloadCount)
{
return(DownloadCount.ToString("N0"));
}
return(String.Empty);
}
public static void RecordDownload(string version, string file)
{
using (var db = new LiteDatabase(GetDBPath()))
{
var countCollection = db.GetCollection <DownloadCount>("DownloadCount");
var counter = countCollection.Find(x => x.File == file && x.Version == version).FirstOrDefault();
if (counter == null)
{
counter = new DownloadCount()
{
File = file,
Version = version,
Count = 1
};
countCollection.Insert(counter);
}
else
{
counter.Count++;
countCollection.Update(counter);
}
}
}
