609 lines
21 KiB
C#
609 lines
21 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Entities;
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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.Linq;
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using System.Threading;
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using System.Xml;
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namespace MediaBrowser.Controller.Providers
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{
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/// <summary>
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/// Provides a base class for parsing metadata xml
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class BaseItemXmlParser<T>
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where T : BaseItem, new()
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{
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/// <summary>
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/// Fetches metadata for an item from one xml file
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="metadataFile">The metadata file.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <exception cref="System.ArgumentNullException"></exception>
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public void Fetch(T item, string metadataFile, CancellationToken cancellationToken)
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{
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if (item == null)
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{
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throw new ArgumentNullException();
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}
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if (string.IsNullOrEmpty(metadataFile))
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{
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throw new ArgumentNullException();
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}
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// Use XmlReader for best performance
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using (var reader = XmlReader.Create(metadataFile))
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{
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reader.MoveToContent();
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// Loop through each element
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while (reader.Read())
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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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FetchDataFromXmlNode(reader, item);
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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 metadata from one Xml Element
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="item">The item.</param>
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protected virtual void FetchDataFromXmlNode(XmlReader reader, T item)
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{
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switch (reader.Name)
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{
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// DateCreated
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case "Added":
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DateTime added;
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if (DateTime.TryParse(reader.ReadElementContentAsString() ?? string.Empty, out added))
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{
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item.DateCreated = added.ToUniversalTime();
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}
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break;
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case "LocalTitle":
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item.Name = reader.ReadElementContentAsString();
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break;
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case "Type":
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{
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var type = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(type) && !type.Equals("none",StringComparison.OrdinalIgnoreCase))
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{
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item.DisplayMediaType = type;
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}
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break;
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}
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case "SortTitle":
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item.SortName = reader.ReadElementContentAsString();
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break;
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case "Overview":
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case "Description":
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item.Overview = reader.ReadElementContentAsString();
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break;
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case "TagLine":
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{
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var tagline = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(tagline))
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{
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item.AddTagline(tagline);
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}
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break;
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}
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case "TagLines":
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{
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FetchFromTaglinesNode(reader.ReadSubtree(), item);
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break;
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}
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case "ContentRating":
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case "certification":
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case "MPAARating":
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{
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var rating = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(rating))
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{
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item.OfficialRating = rating;
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}
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break;
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}
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case "CustomRating":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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item.CustomRating = val;
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}
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break;
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}
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case "Runtime":
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case "RunningTime":
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{
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var text = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(text))
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{
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int runtime;
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if (int.TryParse(text.Split(' ')[0], out runtime))
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{
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item.RunTimeTicks = TimeSpan.FromMinutes(runtime).Ticks;
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}
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}
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break;
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}
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case "Genre":
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{
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foreach (var name in SplitNames(reader.ReadElementContentAsString()))
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{
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if (string.IsNullOrWhiteSpace(name))
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{
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continue;
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}
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item.AddGenre(name);
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}
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break;
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}
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case "AspectRatio":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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item.AspectRatio = val;
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}
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break;
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}
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case "Network":
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{
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foreach (var name in SplitNames(reader.ReadElementContentAsString()))
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{
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if (string.IsNullOrWhiteSpace(name))
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{
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continue;
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}
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item.AddStudio(name);
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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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foreach (var p in SplitNames(reader.ReadElementContentAsString()).Select(v => new PersonInfo { Name = v, Type = PersonType.Director }))
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{
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if (string.IsNullOrWhiteSpace(p.Name))
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{
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continue;
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}
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item.AddPerson(p);
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}
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break;
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}
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case "Writer":
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{
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foreach (var p in SplitNames(reader.ReadElementContentAsString()).Select(v => new PersonInfo { Name = v, Type = PersonType.Writer }))
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{
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if (string.IsNullOrWhiteSpace(p.Name))
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{
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continue;
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}
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item.AddPerson(p);
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}
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break;
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}
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case "Actors":
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case "GuestStars":
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{
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foreach (var p in SplitNames(reader.ReadElementContentAsString()).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Actor }))
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{
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if (string.IsNullOrWhiteSpace(p.Name))
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{
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continue;
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}
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item.AddPerson(p);
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}
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break;
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}
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case "Trailer":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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item.AddTrailerUrl(val);
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}
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break;
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}
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case "ProductionYear":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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int ProductionYear;
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if (int.TryParse(val, out ProductionYear) && ProductionYear > 1850)
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{
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item.ProductionYear = ProductionYear;
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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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case "IMDBrating":
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{
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var rating = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(rating))
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{
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float val;
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if (float.TryParse(rating, out val))
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{
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item.CommunityRating = val;
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}
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}
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break;
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}
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case "FirstAired":
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{
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var firstAired = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(firstAired))
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{
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DateTime airDate;
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if (DateTime.TryParse(firstAired, out airDate) && airDate.Year > 1850)
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{
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item.PremiereDate = airDate.ToUniversalTime();
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item.ProductionYear = airDate.Year;
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}
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}
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break;
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}
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case "TMDbId":
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var tmdb = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(tmdb))
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{
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item.SetProviderId(MetadataProviders.Tmdb, tmdb);
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}
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break;
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case "TVcomId":
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var TVcomId = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(TVcomId))
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{
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item.SetProviderId(MetadataProviders.Tvcom, TVcomId);
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}
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break;
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case "IMDB_ID":
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case "IMDB":
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case "IMDbId":
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var IMDbId = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(IMDbId))
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{
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item.SetProviderId(MetadataProviders.Imdb, IMDbId);
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}
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break;
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case "Genres":
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FetchFromGenresNode(reader.ReadSubtree(), item);
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break;
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case "Persons":
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FetchDataFromPersonsNode(reader.ReadSubtree(), item);
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break;
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case "ParentalRating":
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FetchFromParentalRatingNode(reader.ReadSubtree(), item);
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break;
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case "Studios":
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FetchFromStudiosNode(reader.ReadSubtree(), item);
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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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/// <summary>
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/// Fetches from taglines node.
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="item">The item.</param>
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private void FetchFromTaglinesNode(XmlReader reader, T item)
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{
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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 "Tagline":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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item.AddTagline(val);
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}
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break;
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}
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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 genres node.
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="item">The item.</param>
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private void FetchFromGenresNode(XmlReader reader, T item)
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{
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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 "Genre":
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{
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var genre = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(genre))
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{
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item.AddGenre(genre);
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}
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break;
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}
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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 the data from persons node.
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="item">The item.</param>
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private void FetchDataFromPersonsNode(XmlReader reader, T item)
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{
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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 "Person":
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{
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item.AddPeople(GetPersonsFromXmlNode(reader.ReadSubtree()));
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break;
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}
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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 studios node.
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="item">The item.</param>
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private void FetchFromStudiosNode(XmlReader reader, T item)
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{
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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 "Studio":
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{
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var studio = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(studio))
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{
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item.AddStudio(studio);
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}
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break;
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}
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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 parental rating node.
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <param name="item">The item.</param>
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private void FetchFromParentalRatingNode(XmlReader reader, T item)
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{
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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 "Value":
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{
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var ratingString = reader.ReadElementContentAsString();
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int rating = 7;
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if (!string.IsNullOrWhiteSpace(ratingString))
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{
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int.TryParse(ratingString, out rating);
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}
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switch (rating)
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{
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case -1:
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item.OfficialRating = "NR";
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break;
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case 0:
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item.OfficialRating = "UR";
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break;
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case 1:
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item.OfficialRating = "G";
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break;
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case 3:
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item.OfficialRating = "PG";
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break;
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case 4:
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item.OfficialRating = "PG-13";
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break;
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case 5:
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item.OfficialRating = "NC-17";
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break;
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case 6:
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item.OfficialRating = "R";
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break;
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}
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break;
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}
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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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/// Gets the persons from XML node.
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/// </summary>
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/// <param name="reader">The reader.</param>
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/// <returns>IEnumerable{PersonInfo}.</returns>
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private IEnumerable<PersonInfo> GetPersonsFromXmlNode(XmlReader reader)
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{
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var names = new List<string>();
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var type = string.Empty;
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var role = string.Empty;
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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 "Name":
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names.AddRange(SplitNames(reader.ReadElementContentAsString()));
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break;
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case "Type":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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type = val;
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}
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break;
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}
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case "Role":
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{
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var val = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(val))
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{
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role = val;
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}
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break;
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}
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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 names.Select(n => new PersonInfo { Name = n, Role = role, Type = type });
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}
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/// <summary>
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/// Used to split names of comma or pipe delimeted genres and people
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/// </summary>
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/// <param name="value">The value.</param>
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/// <returns>IEnumerable{System.String}.</returns>
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private IEnumerable<string> SplitNames(string value)
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{
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value = value ?? string.Empty;
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// Only split by comma if there is no pipe in the string
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// We have to be careful to not split names like Matthew, Jr.
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var separator = value.IndexOf('|') == -1 ? ',' : '|';
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value = value.Trim().Trim(separator);
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return string.IsNullOrWhiteSpace(value) ? new string[] { } : value.Split(separator, StringSplitOptions.RemoveEmptyEntries);
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}
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}
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}
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