Stream custom live channels using your own media
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using System.Xml;
using Bugsnag;
using ErsatzTV.Core;
using ErsatzTV.Core.Errors;
using ErsatzTV.Scanner.Core.Interfaces.Metadata.Nfo;
using Microsoft.Extensions.Logging;
using Microsoft.IO;
namespace ErsatzTV.Scanner.Core.Metadata.Nfo;
public class ArtistNfoReader : NfoReader<ArtistNfo>, IArtistNfoReader
{
private readonly IClient _client;
private readonly ILogger<ArtistNfoReader> _logger;
public ArtistNfoReader(
RecyclableMemoryStreamManager recyclableMemoryStreamManager,
IClient client,
ILogger<ArtistNfoReader> logger)
: base(recyclableMemoryStreamManager, logger)
{
_client = client;
_logger = logger;
}
public async Task<Either<BaseError, ArtistNfo>> ReadFromFile(string fileName)
{
// ReSharper disable once ConvertToUsingDeclaration
await using (Stream s = await SanitizedStreamForFile(fileName))
{
return await Read(s);
}
}
internal async Task<Either<BaseError, ArtistNfo>> Read(Stream input)
{
ArtistNfo? nfo = null;
try
{
var settings = new XmlReaderSettings { Async = true, ConformanceLevel = ConformanceLevel.Fragment };
using var reader = XmlReader.Create(input, settings);
var done = false;
while (!done && await reader.ReadAsync())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (reader.Name.ToLowerInvariant())
{
case "artist":
nfo = new ArtistNfo();
break;
case "name":
await ReadStringContent(reader, nfo, (artist, name) => artist.Name = name);
break;
case "disambiguation":
await ReadStringContent(
reader,
nfo,
(artist, disambiguation) => artist.Disambiguation = disambiguation);
break;
case "genre":
await ReadStringContent(reader, nfo, (artist, genre) => artist.Genres.Add(genre));
break;
case "style":
await ReadStringContent(reader, nfo, (artist, style) => artist.Styles.Add(style));
break;
case "mood":
await ReadStringContent(reader, nfo, (artist, mood) => artist.Moods.Add(mood));
break;
case "biography":
await ReadStringContent(
reader,
nfo,
(artist, biography) => artist.Biography = biography);
break;
}
break;
case XmlNodeType.EndElement:
if (reader.Name == "artist")
{
done = true;
}
break;
}
}
return Optional(nfo).ToEither((BaseError)new FailedToReadNfo());
}
catch (XmlException)
{
_logger.LogWarning("Invalid XML detected; returning incomplete metadata");
return Optional(nfo).ToEither((BaseError)new FailedToReadNfo());
}
catch (Exception ex)
{
_client.Notify(ex);
return new FailedToReadNfo(ex.ToString());
}
}
}