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510 lines
17 KiB
C#
510 lines
17 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Providers.Movies
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{
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/// <summary>
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/// Class MovieDbProvider
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/// </summary>
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public class MovieDbProvider : IRemoteMetadataProvider<Movie>, IDisposable
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{
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internal readonly SemaphoreSlim MovieDbResourcePool = new SemaphoreSlim(1, 1);
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internal static MovieDbProvider Current { get; private set; }
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private readonly IJsonSerializer _jsonSerializer;
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private readonly IHttpClient _httpClient;
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private readonly IFileSystem _fileSystem;
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private readonly IServerConfigurationManager _configurationManager;
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private readonly ILogger _logger;
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public MovieDbProvider(IJsonSerializer jsonSerializer, IHttpClient httpClient, IFileSystem fileSystem, IServerConfigurationManager configurationManager, ILogger logger)
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{
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_jsonSerializer = jsonSerializer;
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_httpClient = httpClient;
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_fileSystem = fileSystem;
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_configurationManager = configurationManager;
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_logger = logger;
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Current = this;
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}
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public Task<MetadataResult<Movie>> GetMetadata(ItemId id, CancellationToken cancellationToken)
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{
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return GetItemMetadata<Movie>(id, cancellationToken);
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}
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public Task<MetadataResult<T>> GetItemMetadata<T>(ItemId id, CancellationToken cancellationToken)
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where T : Video, new ()
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{
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var movieDb = new GenericMovieDbInfo<T>(_logger, _jsonSerializer);
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return movieDb.GetMetadata(id, cancellationToken);
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}
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public string Name
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{
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get { return "TheMovieDb"; }
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected virtual void Dispose(bool dispose)
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{
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if (dispose)
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{
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MovieDbResourcePool.Dispose();
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}
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}
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/// <summary>
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/// The _TMDB settings task
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/// </summary>
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private TmdbSettingsResult _tmdbSettings;
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private readonly SemaphoreSlim _tmdbSettingsSemaphore = new SemaphoreSlim(1, 1);
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/// <summary>
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/// Gets the TMDB settings.
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/// </summary>
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/// <returns>Task{TmdbSettingsResult}.</returns>
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internal async Task<TmdbSettingsResult> GetTmdbSettings(CancellationToken cancellationToken)
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{
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if (_tmdbSettings != null)
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{
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return _tmdbSettings;
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}
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await _tmdbSettingsSemaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
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try
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{
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// Check again in case it got populated while we were waiting.
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if (_tmdbSettings != null)
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{
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return _tmdbSettings;
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}
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using (var json = await GetMovieDbResponse(new HttpRequestOptions
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{
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Url = string.Format(TmdbConfigUrl, ApiKey),
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CancellationToken = cancellationToken,
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AcceptHeader = AcceptHeader
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}).ConfigureAwait(false))
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{
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_tmdbSettings = _jsonSerializer.DeserializeFromStream<TmdbSettingsResult>(json);
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return _tmdbSettings;
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}
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}
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finally
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{
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_tmdbSettingsSemaphore.Release();
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}
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}
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private const string TmdbConfigUrl = "http://api.themoviedb.org/3/configuration?api_key={0}";
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private const string GetMovieInfo3 = @"http://api.themoviedb.org/3/movie/{0}?api_key={1}&append_to_response=casts,releases,images,keywords,trailers";
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internal static string ApiKey = "f6bd687ffa63cd282b6ff2c6877f2669";
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internal static string AcceptHeader = "application/json,image/*";
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/// <summary>
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/// Gets the movie data path.
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/// </summary>
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/// <param name="appPaths">The app paths.</param>
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/// <param name="tmdbId">The TMDB id.</param>
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/// <returns>System.String.</returns>
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internal static string GetMovieDataPath(IApplicationPaths appPaths, string tmdbId)
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{
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var dataPath = GetMoviesDataPath(appPaths);
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return Path.Combine(dataPath, tmdbId);
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}
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internal static string GetMoviesDataPath(IApplicationPaths appPaths)
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{
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var dataPath = Path.Combine(appPaths.DataPath, "tmdb-movies");
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return dataPath;
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}
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/// <summary>
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/// Downloads the movie info.
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/// </summary>
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/// <param name="id">The id.</param>
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/// <param name="preferredMetadataLanguage">The preferred metadata language.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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internal async Task DownloadMovieInfo(string id, string preferredMetadataLanguage, CancellationToken cancellationToken)
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{
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var mainResult = await FetchMainResult(id, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
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if (mainResult == null) return;
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var dataFilePath = GetDataFilePath(id, preferredMetadataLanguage);
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Directory.CreateDirectory(Path.GetDirectoryName(dataFilePath));
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_jsonSerializer.SerializeToFile(mainResult, dataFilePath);
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}
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private readonly Task _cachedTask = Task.FromResult(true);
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internal Task EnsureMovieInfo(string tmdbId, string language, CancellationToken cancellationToken)
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{
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if (string.IsNullOrEmpty(tmdbId))
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{
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throw new ArgumentNullException("tmdbId");
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}
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if (string.IsNullOrEmpty(language))
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{
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throw new ArgumentNullException("language");
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}
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var path = GetDataFilePath(tmdbId, language);
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var fileInfo = _fileSystem.GetFileSystemInfo(path);
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if (fileInfo.Exists)
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{
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// If it's recent or automatic updates are enabled, don't re-download
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if ((_configurationManager.Configuration.EnableTmdbUpdates) || (DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(fileInfo)).TotalDays <= 7)
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{
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return _cachedTask;
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}
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}
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return DownloadMovieInfo(tmdbId, language, cancellationToken);
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}
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internal string GetDataFilePath(string tmdbId, string preferredLanguage)
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{
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if (string.IsNullOrEmpty(tmdbId))
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{
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throw new ArgumentNullException("tmdbId");
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}
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if (string.IsNullOrEmpty(preferredLanguage))
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{
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throw new ArgumentNullException("preferredLanguage");
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}
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var path = GetMovieDataPath(_configurationManager.ApplicationPaths, tmdbId);
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var filename = string.Format("all-{0}.json",
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preferredLanguage ?? string.Empty);
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return Path.Combine(path, filename);
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}
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/// <summary>
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/// Fetches the main result.
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/// </summary>
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/// <param name="id">The id.</param>
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/// <param name="language">The language.</param>
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/// <param name="cancellationToken">The cancellation token</param>
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/// <returns>Task{CompleteMovieData}.</returns>
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internal async Task<CompleteMovieData> FetchMainResult(string id, string language, CancellationToken cancellationToken)
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{
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var url = string.Format(GetMovieInfo3, id, ApiKey);
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// Get images in english and with no language
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url += "&include_image_language=en,null";
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if (!string.IsNullOrEmpty(language))
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{
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// If preferred language isn't english, get those images too
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if (!string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
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{
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url += string.Format(",{0}", language);
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}
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url += string.Format("&language={0}", language);
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}
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CompleteMovieData mainResult;
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cancellationToken.ThrowIfCancellationRequested();
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using (var json = await GetMovieDbResponse(new HttpRequestOptions
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{
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Url = url,
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CancellationToken = cancellationToken,
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AcceptHeader = AcceptHeader
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}).ConfigureAwait(false))
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{
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mainResult = _jsonSerializer.DeserializeFromStream<CompleteMovieData>(json);
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}
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cancellationToken.ThrowIfCancellationRequested();
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if (mainResult != null && string.IsNullOrEmpty(mainResult.overview))
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{
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if (!string.IsNullOrEmpty(language) && !string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
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{
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_logger.Info("MovieDbProvider couldn't find meta for language " + language + ". Trying English...");
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url = string.Format(GetMovieInfo3, id, ApiKey) + "&include_image_language=en,null&language=en";
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using (var json = await GetMovieDbResponse(new HttpRequestOptions
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{
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Url = url,
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CancellationToken = cancellationToken,
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AcceptHeader = AcceptHeader
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}).ConfigureAwait(false))
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{
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mainResult = _jsonSerializer.DeserializeFromStream<CompleteMovieData>(json);
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}
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if (String.IsNullOrEmpty(mainResult.overview))
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{
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_logger.Error("MovieDbProvider - Unable to find information for (id:" + id + ")");
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return null;
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}
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}
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}
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return mainResult;
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}
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private DateTime _lastRequestDate = DateTime.MinValue;
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/// <summary>
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/// Gets the movie db response.
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/// </summary>
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internal async Task<Stream> GetMovieDbResponse(HttpRequestOptions options)
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{
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var cancellationToken = options.CancellationToken;
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await MovieDbResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
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try
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{
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// Limit to three requests per second
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var diff = 340 - (DateTime.Now - _lastRequestDate).TotalMilliseconds;
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if (diff > 0)
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{
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await Task.Delay(Convert.ToInt32(diff), cancellationToken).ConfigureAwait(false);
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}
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_lastRequestDate = DateTime.Now;
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return await _httpClient.Get(options).ConfigureAwait(false);
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}
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finally
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{
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_lastRequestDate = DateTime.Now;
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MovieDbResourcePool.Release();
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}
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}
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public void Dispose()
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{
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Dispose(true);
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}
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/// <summary>
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/// Class TmdbTitle
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/// </summary>
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internal class TmdbTitle
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{
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/// <summary>
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/// Gets or sets the iso_3166_1.
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/// </summary>
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/// <value>The iso_3166_1.</value>
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public string iso_3166_1 { get; set; }
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/// <summary>
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/// Gets or sets the title.
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/// </summary>
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/// <value>The title.</value>
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public string title { get; set; }
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}
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/// <summary>
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/// Class TmdbAltTitleResults
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/// </summary>
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internal class TmdbAltTitleResults
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{
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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public int id { get; set; }
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/// <summary>
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/// Gets or sets the titles.
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/// </summary>
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/// <value>The titles.</value>
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public List<TmdbTitle> titles { get; set; }
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}
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internal class BelongsToCollection
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{
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public int id { get; set; }
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public string name { get; set; }
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public string poster_path { get; set; }
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public string backdrop_path { get; set; }
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}
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internal class GenreItem
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{
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public int id { get; set; }
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public string name { get; set; }
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}
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internal class ProductionCompany
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{
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public string name { get; set; }
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public int id { get; set; }
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}
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internal class ProductionCountry
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{
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public string iso_3166_1 { get; set; }
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public string name { get; set; }
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}
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internal class SpokenLanguage
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{
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public string iso_639_1 { get; set; }
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public string name { get; set; }
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}
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internal class Cast
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{
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public int id { get; set; }
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public string name { get; set; }
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public string character { get; set; }
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public int order { get; set; }
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public int cast_id { get; set; }
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public string profile_path { get; set; }
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}
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internal class Crew
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{
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public int id { get; set; }
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public string name { get; set; }
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public string department { get; set; }
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public string job { get; set; }
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public string profile_path { get; set; }
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}
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internal class Casts
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{
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public List<Cast> cast { get; set; }
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public List<Crew> crew { get; set; }
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}
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internal class Country
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{
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public string iso_3166_1 { get; set; }
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public string certification { get; set; }
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public DateTime release_date { get; set; }
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}
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internal class Releases
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{
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public List<Country> countries { get; set; }
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}
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internal class Backdrop
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{
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public string file_path { get; set; }
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public int width { get; set; }
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public int height { get; set; }
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public object iso_639_1 { get; set; }
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public double aspect_ratio { get; set; }
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public double vote_average { get; set; }
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public int vote_count { get; set; }
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}
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internal class Poster
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{
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public string file_path { get; set; }
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public int width { get; set; }
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public int height { get; set; }
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public string iso_639_1 { get; set; }
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public double aspect_ratio { get; set; }
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public double vote_average { get; set; }
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public int vote_count { get; set; }
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}
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internal class Images
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{
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public List<Backdrop> backdrops { get; set; }
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public List<Poster> posters { get; set; }
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}
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internal class Keyword
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{
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public int id { get; set; }
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public string name { get; set; }
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}
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internal class Keywords
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{
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public List<Keyword> keywords { get; set; }
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}
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internal class Youtube
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{
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public string name { get; set; }
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public string size { get; set; }
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public string source { get; set; }
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}
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internal class Trailers
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{
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public List<object> quicktime { get; set; }
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public List<Youtube> youtube { get; set; }
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}
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internal class CompleteMovieData
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{
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public bool adult { get; set; }
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public string backdrop_path { get; set; }
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public BelongsToCollection belongs_to_collection { get; set; }
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public int budget { get; set; }
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public List<GenreItem> genres { get; set; }
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public string homepage { get; set; }
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public int id { get; set; }
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public string imdb_id { get; set; }
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public string original_title { get; set; }
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public string overview { get; set; }
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public double popularity { get; set; }
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public string poster_path { get; set; }
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public List<ProductionCompany> production_companies { get; set; }
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public List<ProductionCountry> production_countries { get; set; }
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public DateTime release_date { get; set; }
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public int revenue { get; set; }
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public int runtime { get; set; }
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public List<SpokenLanguage> spoken_languages { get; set; }
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public string status { get; set; }
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public string tagline { get; set; }
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public string title { get; set; }
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public string name { get; set; }
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public double vote_average { get; set; }
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public int vote_count { get; set; }
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public Casts casts { get; set; }
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public Releases releases { get; set; }
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public Images images { get; set; }
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public Keywords keywords { get; set; }
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public Trailers trailers { get; set; }
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}
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}
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}
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