public async Task <IEnumerable <Guid> > GetMediaIdsAsync(
Album album,
CancellationToken cancellationToken)
{
HashSet <Guid> ids = new();
foreach (AlbumInclude include in album.Includes)
{
switch (include.Type)
{
case AlbumIncludeType.Ids:
ids.AddRange(include.MediaIds);
break;
case AlbumIncludeType.Folder:
foreach (var folder in include.Folders !)
{
IEnumerable <Guid> folderIds = await _mediaStore.GetIdsByFolderAsync(folder, cancellationToken);
ids.AddRange(folderIds);
}
break;
case AlbumIncludeType.Query:
IEnumerable <Guid> queryIds = await GetIdsFromFilter(include.Filters, cancellationToken);
ids.AddRange(queryIds);
break;
}
}
return(ids);
}