private ItemsResult GetInstantMixResult(BaseGetSimilarItems request, IEnumerable <string> genres)
{
var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
var fields = request.GetItemFields().ToList();
var inputItems = user == null
? _libraryManager.RootFolder.RecursiveChildren
: user.RootFolder.GetRecursiveChildren(user);
var genresDictionary = genres.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
var limit = request.Limit.HasValue ? request.Limit.Value * 2 : 100;
var items = inputItems
.OfType <Audio>()
.Select(i => new Tuple <Audio, int>(i, i.Genres.Count(genresDictionary.ContainsKey)))
.OrderByDescending(i => i.Item2)
.ThenBy(i => Guid.NewGuid())
.Select(i => i.Item1)
.Take(limit)
.OrderBy(i => Guid.NewGuid())
.ToList();
var result = new ItemsResult
{
TotalRecordCount = items.Count
};
var dtos = items.Take(request.Limit ?? items.Count)
.Select(i => _dtoService.GetBaseItemDto(i, fields, user));
result.Items = dtos.ToArray();
return(result);
}
private object GetResult(IEnumerable<Audio> items, User user, BaseGetSimilarItems request)
{
var fields = request.GetItemFields().ToList();
var list = items.ToList();
var result = new ItemsResult
{
TotalRecordCount = list.Count
};
var dtos = list.Take(request.Limit ?? list.Count)
.Select(i => _dtoService.GetBaseItemDto(i, fields, user));
result.Items = dtos.ToArray();
return ToOptimizedResult(result);
}
private ItemsResult GetInstantMixResult(BaseGetSimilarItems request, IEnumerable<string> genres)
{
var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
var fields = request.GetItemFields().ToList();
var inputItems = user == null
? _libraryManager.RootFolder.RecursiveChildren
: user.RootFolder.GetRecursiveChildren(user);
var genresDictionary = genres.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
var limit = request.Limit.HasValue ? request.Limit.Value * 2 : 100;
var items = inputItems
.OfType<Audio>()
.Select(i => new Tuple<Audio, int>(i, i.Genres.Count(genresDictionary.ContainsKey)))
.OrderByDescending(i => i.Item2)
.ThenBy(i => Guid.NewGuid())
.Select(i => i.Item1)
.Take(limit)
.OrderBy(i => Guid.NewGuid())
.ToList();
var result = new ItemsResult
{
TotalRecordCount = items.Count
};
var dtos = items.Take(request.Limit ?? items.Count)
.Select(i => _dtoService.GetBaseItemDto(i, fields, user));
result.Items = dtos.ToArray();
return result;
}
private async Task<ItemsResult> GetInstantMixResult(BaseGetSimilarItems request, IEnumerable<string> genres)
{
var user = request.UserId.HasValue ? _userManager.GetUserById(request.UserId.Value) : null;
var fields = request.GetItemFields().ToList();
var dtoBuilder = new DtoBuilder(Logger, _libraryManager, _userDataRepository, _itemRepo);
var inputItems = user == null
? _libraryManager.RootFolder.RecursiveChildren
: user.RootFolder.GetRecursiveChildren(user);
var genresDictionary = genres.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
var limit = request.Limit.HasValue ? request.Limit.Value * 2 : 100;
var items = inputItems
.OfType<Audio>()
.Select(i => new Tuple<Audio, int>(i, i.Genres.Count(genresDictionary.ContainsKey)))
.OrderByDescending(i => i.Item2)
.ThenBy(i => Guid.NewGuid())
.Select(i => i.Item1)
.Take(limit)
.OrderBy(i => Guid.NewGuid())
.ToArray();
var result = new ItemsResult
{
TotalRecordCount = items.Length
};
var tasks = items.Take(request.Limit ?? items.Length)
.Select(i => dtoBuilder.GetBaseItemDto(i, fields, user));
result.Items = await Task.WhenAll(tasks).ConfigureAwait(false);
return result;
}