mirror of
https://github.com/jellyfin/jellyfin.git
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208 lines
7.2 KiB
C#
208 lines
7.2 KiB
C#
#pragma warning disable CS1591
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Jellyfin.Data.Entities;
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using Jellyfin.Data.Enums;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Extensions;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Querying;
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using MediaBrowser.Model.Search;
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using Microsoft.Extensions.Logging;
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using Genre = MediaBrowser.Controller.Entities.Genre;
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using Person = MediaBrowser.Controller.Entities.Person;
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namespace Emby.Server.Implementations.Library
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{
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public class SearchEngine : ISearchEngine
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{
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private readonly ILibraryManager _libraryManager;
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private readonly IUserManager _userManager;
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public SearchEngine(ILibraryManager libraryManager, IUserManager userManager)
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{
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_libraryManager = libraryManager;
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_userManager = userManager;
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}
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public QueryResult<SearchHintInfo> GetSearchHints(SearchQuery query)
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{
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User user = null;
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if (query.UserId != Guid.Empty)
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{
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user = _userManager.GetUserById(query.UserId);
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}
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var results = GetSearchHints(query, user);
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var totalRecordCount = results.Count;
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if (query.StartIndex.HasValue)
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{
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results = results.GetRange(query.StartIndex.Value, totalRecordCount - query.StartIndex.Value);
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}
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if (query.Limit.HasValue)
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{
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results = results.GetRange(0, query.Limit.Value);
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}
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return new QueryResult<SearchHintInfo>
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{
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TotalRecordCount = totalRecordCount,
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Items = results
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};
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}
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private static void AddIfMissing(List<string> list, string value)
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{
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if (!list.Contains(value, StringComparer.OrdinalIgnoreCase))
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{
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list.Add(value);
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}
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}
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/// <summary>
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/// Gets the search hints.
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/// </summary>
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/// <param name="query">The query.</param>
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/// <param name="user">The user.</param>
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/// <returns>IEnumerable{SearchHintResult}.</returns>
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/// <exception cref="ArgumentNullException">searchTerm</exception>
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private List<SearchHintInfo> GetSearchHints(SearchQuery query, User user)
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{
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var searchTerm = query.SearchTerm;
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if (string.IsNullOrEmpty(searchTerm))
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{
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throw new ArgumentException("SearchTerm can't be empty.", nameof(query));
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}
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searchTerm = searchTerm.Trim().RemoveDiacritics();
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var excludeItemTypes = query.ExcludeItemTypes.ToList();
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var includeItemTypes = (query.IncludeItemTypes ?? Array.Empty<string>()).ToList();
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excludeItemTypes.Add(nameof(Year));
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excludeItemTypes.Add(nameof(Folder));
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if (query.IncludeGenres && (includeItemTypes.Count == 0 || includeItemTypes.Contains("Genre", StringComparer.OrdinalIgnoreCase)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, nameof(Genre));
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AddIfMissing(includeItemTypes, nameof(MusicGenre));
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, nameof(Genre));
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AddIfMissing(excludeItemTypes, nameof(MusicGenre));
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}
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if (query.IncludePeople && (includeItemTypes.Count == 0 || includeItemTypes.Contains("People", StringComparer.OrdinalIgnoreCase) || includeItemTypes.Contains("Person", StringComparer.OrdinalIgnoreCase)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, nameof(Person));
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, nameof(Person));
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}
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if (query.IncludeStudios && (includeItemTypes.Count == 0 || includeItemTypes.Contains("Studio", StringComparer.OrdinalIgnoreCase)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, nameof(Studio));
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, nameof(Studio));
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}
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if (query.IncludeArtists && (includeItemTypes.Count == 0 || includeItemTypes.Contains("MusicArtist", StringComparer.OrdinalIgnoreCase)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, nameof(MusicArtist));
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, nameof(MusicArtist));
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}
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AddIfMissing(excludeItemTypes, nameof(CollectionFolder));
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AddIfMissing(excludeItemTypes, nameof(Folder));
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var mediaTypes = query.MediaTypes.ToList();
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if (includeItemTypes.Count > 0)
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{
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excludeItemTypes.Clear();
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mediaTypes.Clear();
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}
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var searchQuery = new InternalItemsQuery(user)
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{
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SearchTerm = searchTerm,
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ExcludeItemTypes = excludeItemTypes.ToArray(),
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IncludeItemTypes = includeItemTypes.ToArray(),
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Limit = query.Limit,
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IncludeItemsByName = !query.ParentId.HasValue,
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ParentId = query.ParentId ?? Guid.Empty,
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OrderBy = new[] { (ItemSortBy.SortName, SortOrder.Ascending) },
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Recursive = true,
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IsKids = query.IsKids,
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IsMovie = query.IsMovie,
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IsNews = query.IsNews,
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IsSeries = query.IsSeries,
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IsSports = query.IsSports,
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MediaTypes = mediaTypes.ToArray(),
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DtoOptions = new DtoOptions
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{
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Fields = new ItemFields[]
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{
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ItemFields.AirTime,
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ItemFields.DateCreated,
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ItemFields.ChannelInfo,
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ItemFields.ParentId
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}
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}
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};
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List<BaseItem> mediaItems;
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if (searchQuery.IncludeItemTypes.Length == 1 && string.Equals(searchQuery.IncludeItemTypes[0], "MusicArtist", StringComparison.OrdinalIgnoreCase))
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{
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if (!searchQuery.ParentId.Equals(Guid.Empty))
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{
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searchQuery.AncestorIds = new[] { searchQuery.ParentId };
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}
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searchQuery.ParentId = Guid.Empty;
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searchQuery.IncludeItemsByName = true;
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searchQuery.IncludeItemTypes = Array.Empty<string>();
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mediaItems = _libraryManager.GetAllArtists(searchQuery).Items.Select(i => i.Item1).ToList();
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}
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else
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{
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mediaItems = _libraryManager.GetItemList(searchQuery);
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}
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return mediaItems.Select(i => new SearchHintInfo
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{
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Item = i
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}).ToList();
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}
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}
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}
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