2013-02-21 01:33:05 +00:00
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Entities;
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2013-02-21 17:22:22 +00:00
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using MediaBrowser.Controller.Extensions;
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2013-02-21 01:33:05 +00:00
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using MediaBrowser.Model.Entities;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Xml;
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namespace MediaBrowser.Plugins.Trailers
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{
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/// <summary>
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/// Fetches Apple's list of current movie trailers
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/// </summary>
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public static class AppleTrailerListingDownloader
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{
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/// <summary>
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/// The trailer feed URL
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/// </summary>
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private const string TrailerFeedUrl = "http://trailers.apple.com/trailers/home/xml/current_720p.xml";
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/// <summary>
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/// Downloads a list of trailer info's from the apple url
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/// </summary>
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/// <returns>Task{List{TrailerInfo}}.</returns>
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public static async Task<List<TrailerInfo>> GetTrailerList(CancellationToken cancellationToken)
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{
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var stream = await Kernel.Instance.HttpManager.Get(TrailerFeedUrl, Kernel.Instance.ResourcePools.AppleTrailerVideos, cancellationToken).ConfigureAwait(false);
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var list = new List<TrailerInfo>();
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using (var reader = XmlReader.Create(stream, new XmlReaderSettings { Async = true }))
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{
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await reader.MoveToContentAsync().ConfigureAwait(false);
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while (await reader.ReadAsync().ConfigureAwait(false))
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{
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cancellationToken.ThrowIfCancellationRequested();
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "movieinfo":
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var trailer = FetchTrailerInfo(reader.ReadSubtree());
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list.Add(trailer);
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break;
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}
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}
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}
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}
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return list;
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}
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/// <summary>
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/// Fetches trailer info from an xml node
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <returns>TrailerInfo.</returns>
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private static TrailerInfo FetchTrailerInfo(XmlReader reader)
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{
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var trailerInfo = new TrailerInfo { };
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reader.MoveToContent();
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while (reader.Read())
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "info":
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FetchInfo(reader.ReadSubtree(), trailerInfo);
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break;
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case "cast":
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FetchCast(reader.ReadSubtree(), trailerInfo);
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break;
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case "genre":
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FetchGenres(reader.ReadSubtree(), trailerInfo);
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break;
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case "poster":
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FetchPosterUrl(reader.ReadSubtree(), trailerInfo);
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break;
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case "preview":
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FetchTrailerUrl(reader.ReadSubtree(), trailerInfo);
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break;
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default:
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reader.Skip();
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break;
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}
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}
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}
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return trailerInfo;
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}
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private static readonly CultureInfo USCulture = new CultureInfo("en-US");
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/// <summary>
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/// Fetches from the info node
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="info">The info.</param>
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private static void FetchInfo(XmlReader reader, TrailerInfo info)
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{
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reader.MoveToContent();
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reader.Read();
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while (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "title":
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info.Video.Name = reader.ReadStringSafe();
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break;
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case "runtime":
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{
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var runtime = reader.ReadStringSafe();
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if (!string.IsNullOrWhiteSpace(runtime))
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{
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if (runtime.StartsWith(":", StringComparison.OrdinalIgnoreCase))
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{
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runtime = "0" + runtime;
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}
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TimeSpan runtimeTimeSpan;
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if (TimeSpan.TryParse(runtime, USCulture, out runtimeTimeSpan))
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{
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info.Video.RunTimeTicks = runtimeTimeSpan.Ticks;
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}
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}
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break;
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}
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case "rating":
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info.Video.OfficialRating = reader.ReadStringSafe();
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break;
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case "studio":
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{
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var studio = reader.ReadStringSafe();
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if (!string.IsNullOrWhiteSpace(studio))
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{
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info.Video.AddStudio(studio);
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}
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break;
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}
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case "postdate":
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{
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DateTime date;
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if (DateTime.TryParse(reader.ReadStringSafe(), USCulture, DateTimeStyles.None, out date))
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{
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info.PostDate = date;
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}
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break;
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}
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case "releasedate":
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{
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var val = reader.ReadStringSafe();
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if (!string.IsNullOrWhiteSpace(val))
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{
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DateTime date;
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if (DateTime.TryParse(val, USCulture, DateTimeStyles.None, out date))
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{
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info.Video.PremiereDate = date;
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info.Video.ProductionYear = date.Year;
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}
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}
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break;
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}
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case "director":
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{
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var directors = reader.ReadStringSafe() ?? string.Empty;
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foreach (var director in directors.Split(',', StringSplitOptions.RemoveEmptyEntries))
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{
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var name = director.Trim();
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if (!string.IsNullOrWhiteSpace(name))
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{
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info.Video.AddPerson(new PersonInfo { Name = name, Type = PersonType.Director });
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}
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}
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break;
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}
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case "description":
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info.Video.Overview = reader.ReadStringSafe();
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break;
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default:
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reader.Skip();
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break;
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}
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}
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}
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/// <summary>
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/// Fetches from the genre node
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="info">The info.</param>
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private static void FetchGenres(XmlReader reader, TrailerInfo info)
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{
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reader.MoveToContent();
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reader.Read();
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while (reader.IsStartElement())
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "name":
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info.Video.AddGenre(reader.ReadStringSafe());
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break;
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default:
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reader.Skip();
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break;
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}
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}
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}
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}
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/// <summary>
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/// Fetches from the cast node
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="info">The info.</param>
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private static void FetchCast(XmlReader reader, TrailerInfo info)
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{
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reader.MoveToContent();
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reader.Read();
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while (reader.IsStartElement())
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "name":
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info.Video.AddPerson(new PersonInfo { Name = reader.ReadStringSafe(), Type = PersonType.Actor });
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break;
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default:
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reader.Skip();
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break;
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}
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}
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}
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}
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/// <summary>
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/// Fetches from the preview node
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="info">The info.</param>
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private static void FetchTrailerUrl(XmlReader reader, TrailerInfo info)
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{
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reader.MoveToContent();
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reader.Read();
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while (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "large":
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info.TrailerUrl = reader.ReadStringSafe();
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break;
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default:
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reader.Skip();
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break;
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}
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}
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}
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/// <summary>
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/// Fetches from the poster node
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="info">The info.</param>
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private static void FetchPosterUrl(XmlReader reader, TrailerInfo info)
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{
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reader.MoveToContent();
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reader.Read();
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while (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "location":
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info.ImageUrl = reader.ReadStringSafe();
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break;
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case "xlarge":
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info.HdImageUrl = reader.ReadStringSafe();
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break;
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default:
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reader.Skip();
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break;
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}
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}
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}
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}
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}
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