protected MediaFileInfo ConvertMediaFile(MediaFile file, MediaFolderNode folder)
{
var mediaFile = new MediaFileInfo(file, _storageProvider, _urlGenerator, folder?.Path)
{
ThumbSize = _mediaSettings.ProductThumbPictureSize
};
return(mediaFile);
}
public Task <TreeNode <MediaFolderNode> > GetRootNodeAsync()
{
var root = _cache.GetAsync(FolderTreeKey, async(o) =>
{
o.ExpiresIn(FolderTreeCacheDuration);
var query = from x in _db.MediaFolders
orderby x.ParentId, x.Name
select x;
var unsortedNodes = (await query.ToListAsync()).Select(x =>
{
var item = new MediaFolderNode
{
Id = x.Id,
Name = x.Name,
ParentId = x.ParentId,
CanDetectTracks = x.CanDetectTracks,
FilesCount = x.FilesCount,
Slug = x.Slug
};
if (x is MediaAlbum album)
{
item.IsAlbum = true;
item.AlbumName = album.Name;
item.Path = album.Name;
item.ResKey = album.ResKey;
item.IncludePath = album.IncludePath;
item.Order = album.Order ?? 0;
var albumInfo = _albumRegistry.GetAlbumByNameAsync(album.Name).Await();
if (albumInfo != null)
{
var displayHint = albumInfo.DisplayHint;
item.Color = displayHint.Color;
item.OverlayColor = displayHint.OverlayColor;
item.OverlayIcon = displayHint.OverlayIcon;
}
}
return(item);
});
var nodeMap = unsortedNodes.ToMultimap(x => x.ParentId ?? 0, x => x);
var rootNode = new TreeNode <MediaFolderNode>(new MediaFolderNode {
Name = "Root", Id = 0
});
AddChildTreeNodes(rootNode, 0, nodeMap);
return(rootNode);
});
return(root);
protected virtual async Task TrackManyCoreAsync(IEnumerable <MediaTrack> tracks, string albumName)
{
Guard.NotNull(tracks, nameof(tracks));
if (!tracks.Any())
{
return;
}
using (var scope = new DbContextScope(_db, minHookImportance: HookImportance.Important, autoDetectChanges: false))
{
// Get the album (necessary later to set FolderId)...
MediaFolderNode albumNode = albumName.HasValue()
? _folderService.GetNodeByPath(albumName)?.Value
: null;
// Get distinct ids of all detected files...
var mediaFileIds = tracks.Select(x => x.MediaFileId).Distinct().ToArray();
// fetch these files from database...
var query = _db.MediaFiles
.Include(x => x.Tracks)
.Where(x => mediaFileIds.Contains(x.Id));
var isInstallation = !EngineContext.Current.Application.IsInstalled;
if (isInstallation)
{
query = query.Where(x => x.Version == 1);
}
var files = await query.ToDictionaryAsync(x => x.Id);
// for each media file relation to an entity...
foreach (var track in tracks)
{
// fetch the file from local dictionary by its id...
if (files.TryGetValue(track.MediaFileId, out var file))
{
if (isInstallation)
{
// set album id as folder id (during installation there are no sub-folders)
file.FolderId = albumNode?.Id;
// remember that we processed tracks for this file already
file.Version = 2;
}
if (track.Album.IsEmpty())
{
if (albumNode != null)
{
// Overwrite track album if scope album was passed.
track.Album = albumNode.Name;
}
else if (file.FolderId.HasValue)
{
// Determine album from file
albumNode = _folderService.FindAlbum(file)?.Value;
track.Album = albumNode?.Name;
}
}
if (track.Album.IsEmpty())
{
continue; // cannot track without album
}
if ((albumNode ?? _folderService.FindAlbum(file)?.Value)?.CanDetectTracks == false)
{
continue; // should not track in albums that do not support track detection
}
// add or remove the track from file
if (track.Operation == MediaTrackOperation.Track)
{
file.Tracks.Add(track);
}
else
{
var dbTrack = file.Tracks.FirstOrDefault(x => x == track);
if (dbTrack != null)
{
file.Tracks.Remove(track);
_db.TryChangeState(dbTrack, EfState.Deleted);
}
}
if (file.Tracks.Count > 0)
{
// A file with tracks can NEVER be transient
file.IsTransient = false;
}
else if (_makeFilesTransientWhenOrphaned)
{
// But an untracked file can OPTIONALLY be transient
file.IsTransient = true;
}
}
}
// Save whole batch to database
int num = await _db.SaveChangesAsync();
if (num > 0)
{
// Breathe
_db.DetachEntities <MediaFile>(deep: true);
}
}
}
public DuplicateMediaFolderException(string message, MediaFolderNode dupeFolder) : base(message)
{
Folder = dupeFolder;
}
public DuplicateMediaFolderException DuplicateFolder(string fullPath, MediaFolderNode dupeFolder)
{
return(new DuplicateMediaFolderException(T("Admin.Media.Exception.DuplicateFolder", fullPath), dupeFolder));
}
