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use similar query for intros

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This commit is contained in:
Luke Pulverenti 2016-06-01 02:20:21 -04:00
parent 669af87014
commit 900cf09e03
2 changed files with 21 additions and 175 deletions
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182
MediaBrowser.Server.Implementations/Intros/DefaultIntroProvider.cs
View File

@ -63,16 +63,8 @@ namespace MediaBrowser.Server.Implementations.Intros
? null
: _localization.GetRatingLevel(item.OfficialRating);
var random = new Random(Environment.TickCount + Guid.NewGuid().GetHashCode());
var candidates = new List<ItemWithTrailer>();
var itemPeople = _libraryManager.GetPeople(item);
var allPeople = _libraryManager.GetPeople(new InternalPeopleQuery
{
AppearsInItemId = item.Id
});
var trailerTypes = new List<TrailerType>();
if (config.EnableIntrosFromMoviesInLibrary)
@ -105,26 +97,25 @@ namespace MediaBrowser.Server.Implementations.Intros
var trailerResult = _libraryManager.GetItemList(new InternalItemsQuery
{
IncludeItemTypes = new[] { typeof(Trailer).Name },
TrailerTypes = trailerTypes.ToArray()
TrailerTypes = trailerTypes.ToArray(),
SimilarTo = item,
IsPlayed = config.EnableIntrosForWatchedContent ? (bool?) null : false,
MaxParentalRating = config.EnableIntrosParentalControl ? ratingLevel : null,
Limit = config.TrailerLimit
});
candidates.AddRange(trailerResult.Select(i => new ItemWithTrailer
{
Item = i,
Type = i.SourceType == SourceType.Channel ? ItemWithTrailerType.ChannelTrailer : ItemWithTrailerType.ItemWithTrailer,
User = user,
WatchingItem = item,
WatchingItemPeople = itemPeople,
AllPeople = allPeople,
Random = random,
LibraryManager = _libraryManager
}));
}
return GetResult(item, candidates, config, ratingLevel);
return GetResult(item, candidates, config);
}
private IEnumerable<IntroInfo> GetResult(BaseItem item, IEnumerable<ItemWithTrailer> candidates, CinemaModeConfiguration config, int? ratingLevel)
private IEnumerable<IntroInfo> GetResult(BaseItem item, IEnumerable<ItemWithTrailer> candidates, CinemaModeConfiguration config)
{
var customIntros = !string.IsNullOrWhiteSpace(config.CustomIntroPath) ?
GetCustomIntros(config) :
@ -134,48 +125,12 @@ namespace MediaBrowser.Server.Implementations.Intros
GetMediaInfoIntros(config, item) :
new List<IntroInfo>();
var trailerLimit = config.TrailerLimit;
// Avoid implicitly captured closure
return candidates.Where(i =>
{
if (config.EnableIntrosParentalControl && !FilterByParentalRating(ratingLevel, i.Item))
{
return false;
}
if (!config.EnableIntrosForWatchedContent && i.IsPlayed)
{
return false;
}
return !IsDuplicate(item, i.Item);
})
.OrderByDescending(i => i.Score)
.ThenBy(i => Guid.NewGuid())
.ThenByDescending(i => i.IsPlayed ? 0 : 1)
.Select(i => i.IntroInfo)
.Take(trailerLimit)
return candidates.Select(i => i.IntroInfo)
.Concat(customIntros.Take(1))
.Concat(mediaInfoIntros);
}
private bool IsDuplicate(BaseItem playingContent, BaseItem test)
{
var id = playingContent.GetProviderId(MetadataProviders.Imdb);
if (!string.IsNullOrWhiteSpace(id) && string.Equals(id, test.GetProviderId(MetadataProviders.Imdb), StringComparison.OrdinalIgnoreCase))
{
return true;
}
id = playingContent.GetProviderId(MetadataProviders.Tmdb);
if (!string.IsNullOrWhiteSpace(id) && string.Equals(id, test.GetProviderId(MetadataProviders.Tmdb), StringComparison.OrdinalIgnoreCase))
{
return true;
}
return false;
}
private CinemaModeConfiguration GetOptions()
{
return _serverConfig.GetConfiguration<CinemaModeConfiguration>("cinemamode");
@ -346,96 +301,6 @@ namespace MediaBrowser.Server.Implementations.Intros
return list.Distinct(StringComparer.OrdinalIgnoreCase);
}
private bool FilterByParentalRating(int? ratingLevel, BaseItem item)
{
// Only content rated same or lower
if (ratingLevel.HasValue)
{
var level = string.IsNullOrWhiteSpace(item.OfficialRating)
? (int?)null
: _localization.GetRatingLevel(item.OfficialRating);
return level.HasValue && level.Value <= ratingLevel.Value;
}
return true;
}
internal static int GetSimiliarityScore(BaseItem item1, List<PersonInfo> item1People, List<PersonInfo> allPeople, BaseItem item2, Random random, ILibraryManager libraryManager)
{
var points = 0;
if (!string.IsNullOrEmpty(item1.OfficialRating) && string.Equals(item1.OfficialRating, item2.OfficialRating, StringComparison.OrdinalIgnoreCase))
{
points += 10;
}
// Find common genres
points += item1.Genres.Where(i => item2.Genres.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 10);
// Find common tags
points += GetTags(item1).Where(i => GetTags(item2).Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 10);
// Find common keywords
points += GetKeywords(item1).Where(i => GetKeywords(item2).Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 10);
// Find common studios
points += item1.Studios.Where(i => item2.Studios.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 5);
var item2PeopleNames = allPeople.Where(i => i.ItemId == item2.Id)
.Select(i => i.Name)
.Where(i => !string.IsNullOrWhiteSpace(i))
.DistinctNames()
.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
points += item1People.Where(i => item2PeopleNames.ContainsKey(i.Name)).Sum(i =>
{
if (string.Equals(i.Type, PersonType.Director, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Director, StringComparison.OrdinalIgnoreCase))
{
return 5;
}
if (string.Equals(i.Type, PersonType.Actor, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Actor, StringComparison.OrdinalIgnoreCase))
{
return 3;
}
if (string.Equals(i.Type, PersonType.Composer, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Composer, StringComparison.OrdinalIgnoreCase))
{
return 3;
}
if (string.Equals(i.Type, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase))
{
return 3;
}
if (string.Equals(i.Type, PersonType.Writer, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Writer, StringComparison.OrdinalIgnoreCase))
{
return 2;
}
return 1;
});
// Add some randomization so that you're not always seeing the same ones for a given movie
points += random.Next(0, 50);
return points;
}
private static IEnumerable<string> GetTags(BaseItem item)
{
var hasTags = item as IHasTags;
if (hasTags != null)
{
return hasTags.Tags;
}
return new List<string>();
}
private static IEnumerable<string> GetKeywords(BaseItem item)
{
return item.Keywords;
}
public IEnumerable<string> GetAllIntroFiles()
{
return GetCustomIntroFiles(GetOptions(), true, true);
@ -455,39 +320,8 @@ namespace MediaBrowser.Server.Implementations.Intros
{
internal BaseItem Item;
internal ItemWithTrailerType Type;
internal User User;
internal BaseItem WatchingItem;
internal List<PersonInfo> WatchingItemPeople;
internal List<PersonInfo> AllPeople;
internal Random Random;
internal ILibraryManager LibraryManager;
private bool? _isPlayed;
public bool IsPlayed
{
get
{
if (!_isPlayed.HasValue)
{
_isPlayed = Item.IsPlayed(User);
}
return _isPlayed.Value;
}
}
private int? _score;
public int Score
{
get
{
if (!_score.HasValue)
{
_score = GetSimiliarityScore(WatchingItem, WatchingItemPeople, AllPeople, Item, Random, LibraryManager);
}
return _score.Value;
}
}
public IntroInfo IntroInfo
{
get

14
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
View File

@ -1526,6 +1526,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
return false;
}
if (query.SimilarTo != null)
{
return true;
}
if (query.SortBy != null && query.SortBy.Length > 0)
{
if (query.SortBy.Contains(ItemSortBy.IsFavoriteOrLiked, StringComparer.OrdinalIgnoreCase))
@ -1835,7 +1840,14 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
if (query.SortBy == null || query.SortBy.Length == 0)
{
query.SortBy = new[] { "SimilarityScore", "Random" };
if (query.User != null)
{
query.SortBy = new[] { "SimilarityScore", "IsUnplayed", "Random" };
}
else
{
query.SortBy = new[] { "SimilarityScore", "Random" };
}
query.SortOrder = SortOrder.Descending;
}
}