public ComponentUpdaterUIController(IUpdaterUI updaterUI, UpdateMode updateMode)
{
this.updaterUI = updaterUI;
this.updateMode = updateMode;
try
{
this.updaterUI.Cancelled += (s, e) =>
{
if (this.http != null)
{
this.http.Stop();
}
this.http = null;
};
}
catch (Exception ex)
{
Log.Debug(ex, "ComponentUpdaterUI");
}
}
public Db(IImageFileFactory imageFileFactory, IThumbnailService thumbnailService, IUpdaterUI updaterDialog)
{
this.imageFileFactory = imageFileFactory;
this.thumbnailService = thumbnailService;
this.updaterDialog = updaterDialog;
}
public static void Run(FSpotDatabaseConnection database, IUpdaterUI updaterDialog)
{
db = database;
dialog = updaterDialog;
db_version = GetDatabaseVersion();
if (updates.Count == 0)
{
return;
}
if (db_version == LatestVersion)
{
return;
}
else if (db_version > LatestVersion)
{
if (!silent)
{
Log.Information("The existing database version is more recent than this version of F-Spot expects.");
}
return;
}
uint timer = 0;
if (!silent)
{
timer = Log.InformationTimerStart("Updating F-Spot Database");
}
// Only create and show the dialog if one or more of the updates to be done is
// marked as being slow
bool slow = false;
foreach (Version version in updates.Keys)
{
if (version > db_version && (updates [version] as Update).IsSlow)
{
slow = true;
}
break;
}
if (slow && !silent)
{
dialog.Show();
}
db.BeginTransaction();
try {
List <Version> keys = new List <Version> ();
foreach (Version k in updates.Keys)
{
keys.Add(k);
}
keys.Sort();
foreach (Version version in keys)
{
if (version <= db_version)
{
continue;
}
dialog.Pulse();
(updates [version] as Update).Execute(db, db_version);
}
db.CommitTransaction();
} catch (Exception e) {
if (!silent)
{
Log.DebugException(e);
Log.Warning("Rolling back database changes because of Exception");
}
// There was an error, roll back the database
db.RollbackTransaction();
// Pass the exception on, this is fatal
throw e;
}
dialog.Destroy();
if (db_version == LatestVersion && !silent)
{
Log.InformationTimerPrint(timer, "Database updates completed successfully (in {0}).");
}
}