/// <summary>
/// Read the RSS feed to see if there is a Greenshot update
/// </summary>
public static void CheckAndAskForUpdate()
{
lock (LockObject)
{
var currentVersion = Assembly.GetExecutingAssembly().GetName().Version;
// Test like this:
// currentVersion = new Version("0.8.1.1198");
try
{
_latestGreenshot = null;
ProcessRssInfo(currentVersion);
if (_latestGreenshot != null)
{
MainForm.Instance.NotifyIcon.BalloonTipClicked += HandleBalloonTipClick;
MainForm.Instance.NotifyIcon.BalloonTipClosed += CleanupBalloonTipClick;
MainForm.Instance.NotifyIcon.ShowBalloonTip(10000, "Greenshot", Language.GetFormattedString(LangKey.update_found, "'" + _latestGreenshot.File + "'"),
ToolTipIcon.Info);
}
CoreConfig.LastUpdateCheck = DateTime.Now;
}
catch (Exception e)
{
Log.Error().WriteLine(e, "An error occured while checking for updates, the error will be ignored: ");
}
}
}
public void GetFeed(RssFile file)
{
var rssFormatter = RssParser.GetFeed(file.AtomLink);
file.LastUpdateDate = rssFormatter.LastUpdatedTime;
file.Description = rssFormatter.Description.Text;
file.Language = rssFormatter.Language;
file.Title = rssFormatter.Title.Text;
foreach (SyndicationItem item in rssFormatter.Items)
{
RssItem rssItem = new RssItem
{
Title = item.Title.Text,
Description = item.Summary.Text,
PublishDate = item.PublishDate.DateTime,
RssFileId = file.Id,
Link = item.Id
};
_rssItemRepository.AddRssItem(rssItem);
}
ListenServiceClient service = new ListenServiceClient();
service.FireDatabaseEvents();
}
private static void ProcessRssInfo(Version currentVersion)
{
// Reset latest Greenshot
var rssFiles = RssHelper.ReadRss();
if (rssFiles == null)
{
return;
}
// Retrieve the current and latest greenshot
foreach (var rssFile in rssFiles)
{
if (rssFile.File.StartsWith("Greenshot"))
{
// check for exe
if (!rssFile.IsExe)
{
continue;
}
// do we have a version?
if (rssFile.Version == null)
{
Log.Debug().WriteLine("Skipping unversioned exe {0} which is published at {1} : {2}", rssFile.File, rssFile.Pubdate.ToLocalTime(), rssFile.Link);
continue;
}
// if the file is unstable, we will skip it when:
// the current version is a release or release candidate AND check unstable is turned off.
if (rssFile.IsAlpha)
{
// Skip if we shouldn't check unstables
if (CoreConfigurationExtensions.BuildState == BuildStates.RELEASE && !CoreConfig.CheckForUnstable)
{
continue;
}
}
// if the file is a release candidate, we will skip it when:
// the current version is a release AND check unstable is turned off.
if (rssFile.IsReleaseCandidate)
{
if (CoreConfigurationExtensions.BuildState == BuildStates.RELEASE && !CoreConfig.CheckForUnstable)
{
continue;
}
}
// Compare versions
var versionCompare = rssFile.Version.CompareTo(currentVersion);
if (versionCompare > 0)
{
Log.Debug().WriteLine("Found newer Greenshot '{0}' with version {1} published at {2} : {3}", rssFile.File, rssFile.Version, rssFile.Pubdate.ToLocalTime(), rssFile.Link);
if (_latestGreenshot == null || rssFile.Version.CompareTo(_latestGreenshot.Version) > 0)
{
_latestGreenshot = rssFile;
if (rssFile.IsReleaseCandidate || rssFile.IsAlpha)
{
_downloadLink = VersionHistoryLink;
}
else
{
_downloadLink = StableDownloadLink;
}
}
}
else if (versionCompare < 0)
{
Log.Debug().WriteLine("Skipping older greenshot with version {0}", rssFile.Version);
}
else if (versionCompare == 0)
{
Log.Debug().WriteLine("Found current version as exe {0} with version {1} published at {2} : {3}", rssFile.File, rssFile.Version, rssFile.Pubdate.ToLocalTime(),
rssFile.Link);
}
}
}
}