/// <summary>
/// Re-creates all AnimeGroups based on the existing AnimeSeries.
/// </summary>
/// <param name="session">The NHibernate session.</param>
/// <exception cref="ArgumentNullException"><paramref name="session"/> is <c>null</c>.</exception>
public void RecreateAllGroups(ISessionWrapper session)
{
if (session == null)
{
throw new ArgumentNullException(nameof(session));
}
bool cmdProcGeneralPaused = ShokoService.CmdProcessorGeneral.Paused;
bool cmdProcHasherPaused = ShokoService.CmdProcessorHasher.Paused;
bool cmdProcImagesPaused = ShokoService.CmdProcessorImages.Paused;
try
{
// Pause queues
ShokoService.CmdProcessorGeneral.Paused = true;
ShokoService.CmdProcessorHasher.Paused = true;
ShokoService.CmdProcessorImages.Paused = true;
_log.Info("Beginning re-creation of all groups");
IReadOnlyList <SVR_AnimeSeries> animeSeries = RepoFactory.AnimeSeries.GetAll();
IReadOnlyCollection <SVR_AnimeGroup> createdGroups = null;
SVR_AnimeGroup tempGroup = null;
using (ITransaction trans = session.BeginTransaction())
{
tempGroup = CreateTempAnimeGroup(session);
ClearGroupsAndDependencies(session, tempGroup.AnimeGroupID);
trans.Commit();
}
if (_autoGroupSeries)
{
createdGroups = AutoCreateGroupsWithRelatedSeries(session, animeSeries)
.AsReadOnlyCollection();
}
else // Standard group re-create
{
createdGroups = CreateGroupPerSeries(session, animeSeries)
.AsReadOnlyCollection();
}
using (ITransaction trans = session.BeginTransaction())
{
UpdateAnimeSeriesContractsAndSave(session, animeSeries);
session.Delete(tempGroup); // We should no longer need the temporary group we created earlier
trans.Commit();
}
// We need groups and series cached for updating of AnimeGroup contracts to work
_animeGroupRepo.Populate(session, displayname: false);
_animeSeriesRepo.Populate(session, displayname: false);
using (ITransaction trans = session.BeginTransaction())
{
UpdateAnimeGroupsAndTheirContracts(session, createdGroups);
trans.Commit();
}
// We need to update the AnimeGroups cache again now that the contracts have been saved
// (Otherwise updating Group Filters won't get the correct results)
_animeGroupRepo.Populate(session, displayname: false);
_animeGroupUserRepo.Populate(session, displayname: false);
_groupFilterRepo.Populate(session, displayname: false);
using (ITransaction trans = session.BeginTransaction())
{
UpdateGroupFilters(session);
trans.Commit();
}
_log.Info("Successfuly completed re-creating all groups");
}
catch (Exception e)
{
_log.Error(e, "An error occurred while re-creating all groups");
try
{
// If an error occurs then chances are the caches are in an inconsistent state. So re-populate them
_animeSeriesRepo.Populate();
_animeGroupRepo.Populate();
_groupFilterRepo.Populate();
_animeGroupUserRepo.Populate();
}
catch (Exception ie)
{
_log.Warn(ie, "Failed to re-populate caches");
}
throw;
}
finally
{
// Un-pause queues (if they were previously running)
ShokoService.CmdProcessorGeneral.Paused = cmdProcGeneralPaused;
ShokoService.CmdProcessorHasher.Paused = cmdProcHasherPaused;
ShokoService.CmdProcessorImages.Paused = cmdProcImagesPaused;
}
}