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https://github.com/jellyfin/jellyfin.git
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Refactor to pull item counts in a single query
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@@ -1,6 +1,7 @@
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#pragma warning disable CS1591
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using System;
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using System.Collections.Frozen;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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@@ -37,6 +38,77 @@ namespace Emby.Server.Implementations.Dto
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{
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public class DtoService : IDtoService
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{
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private static readonly FrozenDictionary<BaseItemKind, BaseItemKind[]> _relatedItemKinds = new Dictionary<BaseItemKind, BaseItemKind[]>
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{
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{
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BaseItemKind.Genre, [
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BaseItemKind.Audio,
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BaseItemKind.Episode,
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BaseItemKind.Movie,
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BaseItemKind.LiveTvProgram,
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BaseItemKind.MusicAlbum,
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BaseItemKind.MusicArtist,
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BaseItemKind.MusicVideo,
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BaseItemKind.Series,
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BaseItemKind.Trailer
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]
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},
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{
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BaseItemKind.MusicArtist, [
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BaseItemKind.Audio,
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BaseItemKind.MusicAlbum,
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BaseItemKind.MusicVideo
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]
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},
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{
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BaseItemKind.MusicGenre, [
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BaseItemKind.Audio,
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BaseItemKind.MusicAlbum,
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BaseItemKind.MusicArtist,
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BaseItemKind.MusicVideo
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]
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},
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{
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BaseItemKind.Person, [
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BaseItemKind.Audio,
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BaseItemKind.Episode,
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BaseItemKind.Movie,
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BaseItemKind.LiveTvProgram,
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BaseItemKind.MusicAlbum,
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BaseItemKind.MusicArtist,
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BaseItemKind.MusicVideo,
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BaseItemKind.Series,
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BaseItemKind.Trailer
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]
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},
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{
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BaseItemKind.Studio, [
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BaseItemKind.Audio,
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BaseItemKind.Episode,
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BaseItemKind.Movie,
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BaseItemKind.LiveTvProgram,
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BaseItemKind.MusicAlbum,
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BaseItemKind.MusicArtist,
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BaseItemKind.MusicVideo,
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BaseItemKind.Series,
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BaseItemKind.Trailer
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]
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},
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{
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BaseItemKind.Year, [
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BaseItemKind.Audio,
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BaseItemKind.Episode,
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BaseItemKind.Movie,
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BaseItemKind.LiveTvProgram,
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BaseItemKind.MusicAlbum,
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BaseItemKind.MusicArtist,
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BaseItemKind.MusicVideo,
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BaseItemKind.Series,
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BaseItemKind.Trailer
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]
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}
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}.ToFrozenDictionary();
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private readonly ILogger<DtoService> _logger;
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private readonly ILibraryManager _libraryManager;
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private readonly IUserDataManager _userDataRepository;
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@@ -102,9 +174,9 @@ namespace Emby.Server.Implementations.Dto
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(programTuples ??= []).Add((item, dto));
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}
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if (item is IItemByName itemByName && options.ContainsField(ItemFields.ItemCounts))
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if (options.ContainsField(ItemFields.ItemCounts))
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{
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SetItemByNameInfo(itemByName, dto, user);
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SetItemByNameInfo(dto, user);
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}
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returnItems[index] = dto;
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@@ -135,9 +207,9 @@ namespace Emby.Server.Implementations.Dto
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LivetvManager.AddInfoToProgramDto(new[] { (item, dto) }, options.Fields, user).GetAwaiter().GetResult();
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}
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if (item is IItemByName itemByName && options.ContainsField(ItemFields.ItemCounts))
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if (options.ContainsField(ItemFields.ItemCounts))
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{
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SetItemByNameInfo(itemByName, dto, user);
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SetItemByNameInfo(dto, user);
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}
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return dto;
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@@ -283,34 +355,60 @@ namespace Emby.Server.Implementations.Dto
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}
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/// <inheritdoc />
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/// TODO refactor this to use the new SetItemByNameInfo.
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/// Some callers already have the counts extracted so no reason to retrieve them again.
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public BaseItemDto GetItemByNameDto(BaseItem item, DtoOptions options, List<BaseItem>? taggedItems, User? user = null)
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{
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var dto = GetBaseItemDtoInternal(item, options, user);
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if (options.ContainsField(ItemFields.ItemCounts))
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if (options.ContainsField(ItemFields.ItemCounts)
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&& taggedItems is not null
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&& taggedItems.Count != 0)
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{
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if (taggedItems is not null)
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{
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SetItemByNameInfo(item, dto, taggedItems!);
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}
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else if (item is IItemByName itemByName)
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{
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SetItemByNameInfo(itemByName, dto, user);
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}
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SetItemByNameInfo(item, dto, taggedItems);
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}
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return dto;
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}
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private static void SetItemByNameInfo(IItemByName item, BaseItemDto dto, User? user)
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private void SetItemByNameInfo(BaseItemDto dto, User? user)
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{
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if (!_relatedItemKinds.TryGetValue(dto.Type, out var relatedItemKinds))
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{
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return;
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}
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var query = new InternalItemsQuery(user)
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{
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Recursive = true,
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DtoOptions = new DtoOptions(false) { EnableImages = false }
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DtoOptions = new DtoOptions(false) { EnableImages = false },
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IncludeItemTypes = relatedItemKinds
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};
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var counts = item.GetTaggedItemCounts(query);
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switch (dto.Type)
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{
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case BaseItemKind.Genre:
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case BaseItemKind.MusicGenre:
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query.GenreIds = [dto.Id];
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break;
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case BaseItemKind.MusicArtist:
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query.ArtistIds = [dto.Id];
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break;
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case BaseItemKind.Person:
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query.PersonIds = [dto.Id];
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break;
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case BaseItemKind.Studio:
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query.StudioIds = [dto.Id];
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break;
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case BaseItemKind.Year
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when int.TryParse(dto.Name, NumberStyles.Integer, CultureInfo.InvariantCulture, out var year):
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query.Years = [year];
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break;
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default:
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return;
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}
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var counts = _libraryManager.GetItemCounts(query);
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dto.AlbumCount = counts.AlbumCount;
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dto.ArtistCount = counts.ArtistCount;
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@@ -321,7 +419,7 @@ namespace Emby.Server.Implementations.Dto
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dto.SeriesCount = counts.SeriesCount;
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dto.SongCount = counts.SongCount;
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dto.TrailerCount = counts.TrailerCount;
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dto.ChildCount = counts.ChildCount;
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dto.ChildCount = counts.TotalItemCount();
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}
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private static void SetItemByNameInfo(BaseItem item, BaseItemDto dto, IReadOnlyList<BaseItem> taggedItems)
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