mirror of https://github.com/Radarr/Radarr
215 lines
7.5 KiB
C#
215 lines
7.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Common.Http;
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using NzbDrone.Core.IndexerSearch.Definitions;
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namespace NzbDrone.Core.Indexers.Newznab
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{
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public class NewznabRequestGenerator : IIndexerRequestGenerator
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{
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private readonly INewznabCapabilitiesProvider _capabilitiesProvider;
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public int MaxPages { get; set; }
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public int PageSize { get; set; }
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public NewznabSettings Settings { get; set; }
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public NewznabRequestGenerator(INewznabCapabilitiesProvider capabilitiesProvider)
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{
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_capabilitiesProvider = capabilitiesProvider;
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MaxPages = 30;
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PageSize = 100;
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}
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private bool SupportsSearch
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{
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get
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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return capabilities.SupportedSearchParameters != null &&
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capabilities.SupportedSearchParameters.Contains("q");
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}
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}
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private bool SupportsImdbSearch
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{
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get
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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return capabilities.SupportedMovieSearchParameters != null &&
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capabilities.SupportedMovieSearchParameters.Contains("imdbid");
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}
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}
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private bool SupportsTmdbSearch
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{
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get
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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return capabilities.SupportedMovieSearchParameters != null &&
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capabilities.SupportedMovieSearchParameters.Contains("tmdbid");
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}
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}
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private bool SupportsAggregatedIdSearch
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{
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get
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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return capabilities.SupportsAggregateIdSearch;
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}
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}
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private string TextSearchEngine
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{
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get
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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return capabilities.TextSearchEngine;
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}
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}
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private string MovieTextSearchEngine
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{
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get
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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return capabilities.MovieTextSearchEngine;
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}
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}
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public virtual IndexerPageableRequestChain GetRecentRequests()
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{
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var pageableRequests = new IndexerPageableRequestChain();
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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// Some indexers might forget to enable movie search, but normal search still works fine. Thus we force a normal search.
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if (capabilities.SupportedMovieSearchParameters != null)
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{
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pageableRequests.Add(GetPagedRequests(MaxPages, Settings.Categories, "movie", ""));
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}
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else if (capabilities.SupportedSearchParameters != null)
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{
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pageableRequests.Add(GetPagedRequests(MaxPages, Settings.Categories, "search", ""));
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}
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return pageableRequests;
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}
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public IndexerPageableRequestChain GetSearchRequests(MovieSearchCriteria searchCriteria)
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{
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var pageableRequests = new IndexerPageableRequestChain();
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AddMovieIdPageableRequests(pageableRequests, MaxPages, Settings.Categories, searchCriteria);
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return pageableRequests;
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}
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private void AddMovieIdPageableRequests(IndexerPageableRequestChain chain, int maxPages, IEnumerable<int> categories, SearchCriteriaBase searchCriteria)
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{
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var includeTmdbSearch = SupportsTmdbSearch && searchCriteria.Movie.MovieMetadata.Value.TmdbId > 0;
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var includeImdbSearch = SupportsImdbSearch && searchCriteria.Movie.MovieMetadata.Value.ImdbId.IsNotNullOrWhiteSpace();
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if (SupportsAggregatedIdSearch && (includeTmdbSearch || includeImdbSearch))
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{
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var ids = "";
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if (includeTmdbSearch)
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{
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ids += $"&tmdbid={searchCriteria.Movie.MovieMetadata.Value.TmdbId}";
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}
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if (includeImdbSearch)
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{
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ids += $"&imdbid={searchCriteria.Movie.MovieMetadata.Value.ImdbId.Substring(2)}";
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}
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chain.Add(GetPagedRequests(maxPages, categories, "movie", ids));
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}
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else
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{
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if (includeTmdbSearch)
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{
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chain.Add(GetPagedRequests(maxPages,
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categories,
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"movie",
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string.Format("&tmdbid={0}", searchCriteria.Movie.MovieMetadata.Value.TmdbId)));
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}
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else if (includeImdbSearch)
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{
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chain.Add(GetPagedRequests(maxPages,
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categories,
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"movie",
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string.Format("&imdbid={0}", searchCriteria.Movie.MovieMetadata.Value.ImdbId.Substring(2))));
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}
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}
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if (SupportsSearch)
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{
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chain.AddTier();
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var queryTitles = TextSearchEngine == "raw" ? searchCriteria.SceneTitles : searchCriteria.CleanSceneTitles;
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foreach (var queryTitle in queryTitles)
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{
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var searchQuery = queryTitle;
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if (!Settings.RemoveYear)
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{
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searchQuery = string.Format("{0} {1}", searchQuery, searchCriteria.Movie.Year);
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}
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chain.Add(GetPagedRequests(MaxPages,
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Settings.Categories,
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"search",
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string.Format("&q={0}", NewsnabifyTitle(searchQuery))));
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}
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}
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}
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private IEnumerable<IndexerRequest> GetPagedRequests(int maxPages, IEnumerable<int> categories, string searchType, string parameters)
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{
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if (categories.Empty())
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{
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yield break;
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}
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var categoriesQuery = string.Join(",", categories.Distinct());
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var baseUrl = string.Format("{0}{1}?t={2}&cat={3}&extended=1{4}", Settings.BaseUrl.TrimEnd('/'), Settings.ApiPath.TrimEnd('/'), searchType, categoriesQuery, Settings.AdditionalParameters);
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if (Settings.ApiKey.IsNotNullOrWhiteSpace())
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{
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baseUrl += "&apikey=" + Settings.ApiKey;
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}
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if (PageSize == 0)
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{
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yield return new IndexerRequest(string.Format("{0}{1}", baseUrl, parameters), HttpAccept.Rss);
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}
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else
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{
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for (var page = 0; page < maxPages; page++)
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{
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yield return new IndexerRequest(string.Format("{0}&offset={1}&limit={2}{3}", baseUrl, page * PageSize, PageSize, parameters), HttpAccept.Rss);
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}
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}
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}
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private static string NewsnabifyTitle(string title)
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{
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var newtitle = title.Replace("+", " ");
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return Uri.EscapeDataString(newtitle);
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}
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public Func<IDictionary<string, string>> GetCookies { get; set; }
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public Action<IDictionary<string, string>, DateTime?> CookiesUpdater { get; set; }
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}
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}
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