mirror of
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202 lines
6.8 KiB
C#
202 lines
6.8 KiB
C#
#nullable disable
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#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 Jellyfin.Extensions;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
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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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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.Equals(default))
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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, Math.Min(query.Limit.Value, results.Count));
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}
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return new QueryResult<SearchHintInfo>(
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query.StartIndex,
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totalRecordCount,
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results);
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}
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private static void AddIfMissing(List<BaseItemKind> list, BaseItemKind value)
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{
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if (!list.Contains(value))
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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="ArgumentException"><c>query.SearchTerm</c> is <c>null</c> or empty.</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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ArgumentException.ThrowIfNullOrEmpty(searchTerm);
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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<BaseItemKind>()).ToList();
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excludeItemTypes.Add(BaseItemKind.Year);
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excludeItemTypes.Add(BaseItemKind.Folder);
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if (query.IncludeGenres && (includeItemTypes.Count == 0 || includeItemTypes.Contains(BaseItemKind.Genre)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, BaseItemKind.Genre);
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AddIfMissing(includeItemTypes, BaseItemKind.MusicGenre);
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, BaseItemKind.Genre);
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AddIfMissing(excludeItemTypes, BaseItemKind.MusicGenre);
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}
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if (query.IncludePeople && (includeItemTypes.Count == 0 || includeItemTypes.Contains(BaseItemKind.Person)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, BaseItemKind.Person);
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, BaseItemKind.Person);
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}
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if (query.IncludeStudios && (includeItemTypes.Count == 0 || includeItemTypes.Contains(BaseItemKind.Studio)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, BaseItemKind.Studio);
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, BaseItemKind.Studio);
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}
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if (query.IncludeArtists && (includeItemTypes.Count == 0 || includeItemTypes.Contains(BaseItemKind.MusicArtist)))
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{
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if (!query.IncludeMedia)
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{
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AddIfMissing(includeItemTypes, BaseItemKind.MusicArtist);
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}
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}
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else
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{
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AddIfMissing(excludeItemTypes, BaseItemKind.MusicArtist);
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}
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AddIfMissing(excludeItemTypes, BaseItemKind.CollectionFolder);
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AddIfMissing(excludeItemTypes, BaseItemKind.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 && searchQuery.IncludeItemTypes[0] == BaseItemKind.MusicArtist)
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{
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if (!searchQuery.ParentId.Equals(default))
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{
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searchQuery.AncestorIds = new[] { searchQuery.ParentId };
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searchQuery.ParentId = Guid.Empty;
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}
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searchQuery.IncludeItemsByName = true;
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searchQuery.IncludeItemTypes = Array.Empty<BaseItemKind>();
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mediaItems = _libraryManager.GetAllArtists(searchQuery).Items.Select(i => i.Item).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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