public EntryRevertedContract RevertToVersion(int archivedAlbumVersionId)
{
PermissionContext.VerifyPermission(PermissionToken.RestoreRevisions);
return(HandleTransaction(session => {
var archivedVersion = session.Load <ArchivedAlbumVersion>(archivedAlbumVersionId);
var album = archivedVersion.Album;
session.AuditLogger.SysLog("reverting " + album + " to version " + archivedVersion.Version);
var fullProperties = ArchivedAlbumContract.GetAllProperties(archivedVersion);
var warnings = new List <string>();
var diff = new AlbumDiff();
album.Description.Original = fullProperties.Description;
album.Description.English = fullProperties.DescriptionEng ?? string.Empty;
album.DiscType = fullProperties.DiscType;
album.TranslatedName.DefaultLanguage = fullProperties.TranslatedName.DefaultLanguage;
// Picture
var versionWithPic = archivedVersion.GetLatestVersionWithField(AlbumEditableFields.Cover);
if (versionWithPic != null)
{
album.CoverPictureData = versionWithPic.CoverPicture;
album.CoverPictureMime = versionWithPic.CoverPictureMime;
if (versionWithPic.CoverPicture != null)
{
var thumbGenerator = new ImageThumbGenerator(imagePersister);
using (var stream = new MemoryStream(versionWithPic.CoverPicture.Bytes)) {
var thumb = new EntryThumb(album, versionWithPic.CoverPictureMime);
thumbGenerator.GenerateThumbsAndMoveImage(stream, thumb, ImageSizes.Thumb | ImageSizes.SmallThumb | ImageSizes.TinyThumb);
}
}
}
else
{
album.CoverPictureData = null;
album.CoverPictureMime = null;
}
// Assume picture was changed if there's a version between the current version and the restored version where the picture was changed.
diff.Cover.Set(!Equals(album.ArchivedVersionsManager.GetLatestVersionWithField(AlbumEditableFields.Cover, album.Version), versionWithPic));
// Original release
album.OriginalRelease = (fullProperties.OriginalRelease != null ? new AlbumRelease(fullProperties.OriginalRelease, session.NullSafeLoad <ReleaseEvent>(fullProperties.OriginalRelease.ReleaseEvent)) : null);
// Artists
DatabaseContextHelper.RestoreObjectRefs <ArtistForAlbum, Artist, ArchivedArtistForAlbumContract>(
session.OfType <Artist>(), warnings, album.AllArtists, fullProperties.Artists,
(a1, a2) => (a1.Artist != null && a1.Artist.Id == a2.Id) || (a1.Artist == null && a2.Id == 0 && a1.Name == a2.NameHint),
(artist, albumRef) => RestoreArtistRef(album, artist, albumRef),
albumForArtist => albumForArtist.Delete());
// Songs
DatabaseContextHelper.RestoreObjectRefs <SongInAlbum, Song, SongInAlbumRefContract>(
session.OfType <Song>(), warnings, album.AllSongs, fullProperties.Songs,
(a1, a2) => ((a1.Song != null && a1.Song.Id == a2.Id) || a1.Song == null && a2.Id == 0 && a1.Name == a2.NameHint),
(song, songRef) => RestoreTrackRef(album, song, songRef),
songInAlbum => songInAlbum.Delete());
// Names
if (fullProperties.Names != null)
{
var nameDiff = album.Names.SyncByContent(fullProperties.Names, album);
session.Sync(nameDiff);
}
// Weblinks
if (fullProperties.WebLinks != null)
{
var webLinkDiff = WebLink.SyncByValue(album.WebLinks, fullProperties.WebLinks, album);
session.Sync(webLinkDiff);
}
// PVs
if (fullProperties.PVs != null)
{
var pvDiff = CollectionHelper.Diff(album.PVs, fullProperties.PVs, (p1, p2) => (p1.PVId == p2.PVId && p1.Service == p2.Service));
foreach (var pv in pvDiff.Added)
{
session.Save(album.CreatePV(new PVContract(pv)));
}
foreach (var pv in pvDiff.Removed)
{
pv.OnDelete();
session.Delete(pv);
}
}
album.UpdateArtistString();
album.UpdateRatingTotals();
Archive(session, album, diff, AlbumArchiveReason.Reverted, string.Format("Reverted to version {0}", archivedVersion.Version));
AuditLog(string.Format("reverted {0} to revision {1}", EntryLinkFactory.CreateEntryLink(album), archivedVersion.Version), session);
return new EntryRevertedContract(album, warnings);
}));
}
/// <summary>
/// Reverts an album to an earlier archived version.
/// </summary>
/// <param name="archivedArtistVersionId">Id of the archived version to be restored.</param>
/// <returns>Result of the revert operation, with possible warnings if any. Cannot be null.</returns>
/// <remarks>Requires the RestoreRevisions permission.</remarks>
public async Task <EntryRevertedContract> RevertToVersion(int archivedArtistVersionId)
{
PermissionContext.VerifyPermission(PermissionToken.RestoreRevisions);
return(await HandleTransactionAsync(async session => {
var archivedVersion = await session.LoadAsync <ArchivedArtistVersion>(archivedArtistVersionId);
if (archivedVersion.Hidden)
{
PermissionContext.VerifyPermission(PermissionToken.ViewHiddenRevisions);
}
var artist = archivedVersion.Artist;
session.AuditLogger.SysLog("reverting " + artist + " to version " + archivedVersion.Version);
var fullProperties = ArchivedArtistContract.GetAllProperties(archivedVersion);
var warnings = new List <string>();
var diff = new ArtistDiff();
artist.ArtistType = fullProperties.ArtistType;
artist.Description.Original = fullProperties.Description;
artist.Description.English = fullProperties.DescriptionEng ?? string.Empty;
artist.TranslatedName.DefaultLanguage = fullProperties.TranslatedName.DefaultLanguage;
artist.BaseVoicebank = DatabaseContextHelper.RestoreWeakRootEntityRef(session, warnings, fullProperties.BaseVoicebank);
// Picture
var versionWithPic = archivedVersion.GetLatestVersionWithField(ArtistEditableFields.Picture);
if (versionWithPic != null)
{
artist.Picture = versionWithPic.Picture;
artist.PictureMime = versionWithPic.PictureMime;
if (versionWithPic.Picture != null)
{
var thumbGenerator = new ImageThumbGenerator(imagePersister);
using (var stream = new MemoryStream(versionWithPic.Picture.Bytes)) {
var thumb = new EntryThumb(artist, versionWithPic.PictureMime, ImagePurpose.Main);
thumbGenerator.GenerateThumbsAndMoveImage(stream, thumb, ImageSizes.Thumb | ImageSizes.SmallThumb | ImageSizes.TinyThumb);
}
}
}
else
{
artist.Picture = null;
artist.PictureMime = null;
}
// Assume picture was changed if there's a version between the current version and the restored version where the picture was changed.
diff.Picture.Set(!Equals(artist.ArchivedVersionsManager.GetLatestVersionWithField(ArtistEditableFields.Picture, artist.Version), versionWithPic));
// Groups
DatabaseContextHelper.RestoreObjectRefs(
session, warnings, artist.AllGroups, fullProperties.Groups, (a1, a2) => (a1.Parent.Id == a2.Id),
(grp, grpRef) => (!artist.HasGroup(grp) ? artist.AddGroup(grp, grpRef.LinkType) : null),
groupForArtist => groupForArtist.Delete());
// Names
if (fullProperties.Names != null)
{
var nameDiff = artist.Names.SyncByContent(fullProperties.Names, artist);
await session.SyncAsync(nameDiff);
}
// Weblinks
if (fullProperties.WebLinks != null)
{
var webLinkDiff = WebLink.SyncByValue(artist.WebLinks, fullProperties.WebLinks, artist);
await session.SyncAsync(webLinkDiff);
}
await ArchiveAsync(session, artist, diff, ArtistArchiveReason.Reverted, string.Format("Reverted to version {0}", archivedVersion.Version));
await AuditLogAsync(string.Format("reverted {0} to revision {1}", entryLinkFactory.CreateEntryLink(artist), archivedVersion.Version), session);
return new EntryRevertedContract(artist, warnings);
}));
}