private IEnumerable <RecommendationDto> GetSimilarTo(User user, List <BaseItem> baselineItems, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
var itemTypes = new List <string> {
typeof(Movie).Name
};
if (_config.Configuration.EnableExternalContentInSuggestions)
{
itemTypes.Add(typeof(Trailer).Name);
itemTypes.Add(typeof(LiveTvProgram).Name);
}
foreach (var item in baselineItems)
{
var similar = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Limit = itemLimit,
IncludeItemTypes = itemTypes.ToArray(),
IsMovie = true,
SimilarTo = item,
EnableGroupByMetadataKey = true,
DtoOptions = dtoOptions
}).ToList();
if (similar.Count > 0)
{
yield return(new RecommendationDto
{
BaselineItemName = item.Name,
CategoryId = item.Id.ToString("N"),
RecommendationType = type,
Items = _dtoService.GetBaseItemDtos(similar, dtoOptions, user).Result.ToArray()
});
}
}
}
private IEnumerable <RecommendationDto> GetWithDirector(User user, List <BaseItem> allMovies, IEnumerable <string> directors, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
var userId = user.Id;
foreach (var director in directors)
{
var items = allMovies
.Where(i => _libraryManager.GetPeople(i).Any(p => string.Equals(p.Type, PersonType.Director, StringComparison.OrdinalIgnoreCase) && string.Equals(p.Name, director, StringComparison.OrdinalIgnoreCase)))
.Take(itemLimit)
.ToList();
if (items.Count > 0)
{
yield return(new RecommendationDto
{
BaselineItemName = director,
CategoryId = director.GetMD5().ToString("N"),
RecommendationType = type,
Items = _dtoService.GetBaseItemDtos(items, dtoOptions, user).ToArray()
});
}
}
}
private IEnumerable <RecommendationDto> GetWithActor(User user, IEnumerable <string> names, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
var itemTypes = new List <string> {
typeof(Movie).Name
};
if (_config.Configuration.EnableExternalContentInSuggestions)
{
itemTypes.Add(typeof(Trailer).Name);
itemTypes.Add(typeof(LiveTvProgram).Name);
}
foreach (var name in names)
{
var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Person = name,
// Account for duplicates by imdb id, since the database doesn't support this yet
Limit = itemLimit + 2,
IncludeItemTypes = itemTypes.ToArray(),
IsMovie = true,
EnableGroupByMetadataKey = true,
DtoOptions = dtoOptions
}).DistinctBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N"))
.Take(itemLimit)
.ToList();
if (items.Count > 0)
{
yield return(new RecommendationDto
{
BaselineItemName = name,
CategoryId = name.GetMD5().ToString("N"),
RecommendationType = type,
Items = _dtoService.GetBaseItemDtos(items, dtoOptions, user).Result.ToArray()
});
}
}
}
private IEnumerable <RecommendationDto> GetWithActor(User?user, IEnumerable <string> names, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
var itemTypes = new List <string> {
nameof(Movie)
};
if (_serverConfigurationManager.Configuration.EnableExternalContentInSuggestions)
{
itemTypes.Add(nameof(Trailer));
itemTypes.Add(nameof(LiveTvProgram));
}
foreach (var name in names)
{
var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
Person = name,
// Account for duplicates by imdb id, since the database doesn't support this yet
Limit = itemLimit + 2,
IncludeItemTypes = itemTypes.ToArray(),
IsMovie = true,
EnableGroupByMetadataKey = true,
DtoOptions = dtoOptions
}).GroupBy(i => i.GetProviderId(MediaBrowser.Model.Entities.MetadataProvider.Imdb) ?? Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture))
.Select(x => x.First())
.Take(itemLimit)
.ToList();
if (items.Count > 0)
{
var returnItems = _dtoService.GetBaseItemDtos(items, dtoOptions, user);
yield return(new RecommendationDto
{
BaselineItemName = name,
CategoryId = name.GetMD5(),
RecommendationType = type,
Items = returnItems
});
}
}
}
private IEnumerable <RecommendationDto> GetSimilarTo(User user, List <BaseItem> allMovies, IEnumerable <BaseItem> baselineItems, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
foreach (var item in baselineItems)
{
var similar = SimilarItemsHelper
.GetSimilaritems(item, _libraryManager, allMovies, SimilarItemsHelper.GetSimiliarityScore)
.Take(itemLimit)
.ToList();
if (similar.Count > 0)
{
yield return(new RecommendationDto
{
BaselineItemName = item.Name,
CategoryId = item.Id.ToString("N"),
RecommendationType = type,
Items = _dtoService.GetBaseItemDtos(similar, dtoOptions, user).ToArray()
});
}
}
}
private IEnumerable <RecommendationDto> GetWithActor(User user, List <BaseItem> allMovies, IEnumerable <string> names, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
foreach (var name in names)
{
var itemsWithActor = _libraryManager.GetItemIds(new InternalItemsQuery
{
Person = name
});
var items = allMovies
.Where(i => itemsWithActor.Contains(i.Id))
.Take(itemLimit)
.ToList();
if (items.Count > 0)
{
yield return(new RecommendationDto
{
BaselineItemName = name,
CategoryId = name.GetMD5().ToString("N"),
RecommendationType = type,
Items = _dtoService.GetBaseItemDtos(items, dtoOptions, user).ToArray()
});
}
}
}
private IEnumerable <RecommendationDto> GetWithActor(User user, List <BaseItem> allMovies, IEnumerable <string> names, int itemLimit, DtoOptions dtoOptions, RecommendationType type)
{
var userId = user.Id;
foreach (var name in names)
{
var items = allMovies
.Where(i => i.People.Any(p => string.Equals(p.Name, name, StringComparison.OrdinalIgnoreCase)))
.Take(itemLimit)
.ToList();
if (items.Count > 0)
{
yield return(new RecommendationDto
{
BaselineItemName = name,
CategoryId = name.GetMD5().ToString("N"),
RecommendationType = type,
Items = items.Select(i => _dtoService.GetBaseItemDto(i, dtoOptions, user)).ToArray()
});
}
}
}
