/// <summary>
/// Gets or creates an <see cref="AnimeGroup"/> for the specified series.
/// </summary>
/// <param name="session">The NHibernate session.</param>
/// <param name="series">The series for which the group is to be created/retrieved (Must be initialised first).</param>
/// <returns>The <see cref="AnimeGroup"/> to use for the specified series.</returns>
/// <exception cref="ArgumentNullException"><paramref name="session"/> or <paramref name="series"/> is <c>null</c>.</exception>
public AnimeGroup GetOrCreateSingleGroupForSeries(ISessionWrapper session, AnimeSeries series)
{
if (session == null)
{
throw new ArgumentNullException(nameof(session));
}
if (series == null)
{
throw new ArgumentNullException(nameof(series));
}
AnimeGroup animeGroup = null;
if (_autoGroupSeries)
{
var grpCalculator = AutoAnimeGroupCalculator.CreateFromServerSettings(session);
IReadOnlyList <int> grpAnimeIds = grpCalculator.GetIdsOfAnimeInSameGroup(series.AniDB_ID);
// Try to find an existing AnimeGroup to add the series to
// We basically pick the first group that any of the related series belongs to already
animeGroup = grpAnimeIds.Select(id => RepoFactory.AnimeSeries.GetByAnimeID(id))
.Where(s => s != null)
.Select(s => RepoFactory.AnimeGroup.GetByID(s.AnimeGroupID))
.FirstOrDefault();
if (animeGroup == null)
{
// No existing group was found, so create a new one
int mainAnimeId = grpCalculator.GetGroupAnimeId(series.AniDB_ID);
AnimeSeries mainSeries = _animeSeriesRepo.GetByAnimeID(mainAnimeId);
animeGroup = CreateAnimeGroup(session, mainSeries, mainAnimeId, DateTime.Now);
RepoFactory.AnimeGroup.Save(animeGroup, true, true);
}
}
else // We're not auto grouping (e.g. we're doing group per series)
{
animeGroup = new AnimeGroup();
animeGroup.Populate(series, DateTime.Now);
RepoFactory.AnimeGroup.Save(animeGroup, true, true);
}
return(animeGroup);
}
/// <summary>
/// Creates <see cref="AnimeGroup"/> that contain <see cref="AnimeSeries"/> that appear to be related.
/// </summary>
/// <remarks>
/// This method assumes that there are no active transactions on the specified <paramref name="session"/>.
/// </remarks>
/// <param name="session">The NHibernate session.</param>
/// <param name="seriesList">The list of <see cref="AnimeSeries"/> to create groups for.</param>
/// <returns>A sequence of the created <see cref="AnimeGroup"/>s.</returns>
private IEnumerable <AnimeGroup> AutoCreateGroupsWithRelatedSeries(ISessionWrapper session, IReadOnlyCollection <AnimeSeries> seriesList)
{
_log.Info("Auto-generating AnimeGroups for {0} AnimeSeries based on aniDB relationships", seriesList.Count);
DateTime now = DateTime.Now;
var grpCalculator = AutoAnimeGroupCalculator.CreateFromServerSettings(session);
_log.Info("The following exclusions will be applied when generating the groups: " + grpCalculator.Exclusions);
// Group all of the specified series into their respective groups (keyed by the groups main anime ID)
var seriesByGroup = seriesList.ToLookup(s => grpCalculator.GetGroupAnimeId(s.AniDB_ID));
var newGroupsToSeries = new List <Tuple <AnimeGroup, IReadOnlyCollection <AnimeSeries> > >(seriesList.Count);
foreach (var groupAndSeries in seriesByGroup)
{
int mainAnimeId = groupAndSeries.Key;
AnimeSeries mainSeries = groupAndSeries.FirstOrDefault(series => series.AniDB_ID == mainAnimeId);
AnimeGroup animeGroup = CreateAnimeGroup(session, mainSeries, mainAnimeId, now);
newGroupsToSeries.Add(new Tuple <AnimeGroup, IReadOnlyCollection <AnimeSeries> >(animeGroup, groupAndSeries.AsReadOnlyCollection()));
}
using (ITransaction trans = session.BeginTransaction())
{
_animeGroupRepo.InsertBatch(session, newGroupsToSeries.Select(gts => gts.Item1).AsReadOnlyCollection());
trans.Commit();
}
// Anime groups should have IDs now they've been inserted. Now assign the group ID's to their respective series
// (The caller of this method will be responsible for saving the AnimeSeries)
foreach (var groupAndSeries in newGroupsToSeries)
{
foreach (AnimeSeries series in groupAndSeries.Item2)
{
series.AnimeGroupID = groupAndSeries.Item1.AnimeGroupID;
}
}
_log.Info("Generated {0} AnimeGroups", newGroupsToSeries.Count);
return(newGroupsToSeries.Select(gts => gts.Item1));
}