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using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using CommonIO;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Model.Logging;
namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts
{
public class M3uParser
{
private readonly ILogger _logger;
private readonly IFileSystem _fileSystem;
private readonly IHttpClient _httpClient;
public M3uParser(ILogger logger, IFileSystem fileSystem, IHttpClient httpClient)
{
_logger = logger;
_fileSystem = fileSystem;
_httpClient = httpClient;
}
public async Task<List<M3UChannel>> Parse(string url, string channelIdPrefix, CancellationToken cancellationToken)
{
var urlHash = url.GetMD5().ToString("N");
// Read the file and display it line by line.
using (var reader = new StreamReader(await GetListingsStream(url, cancellationToken).ConfigureAwait(false)))
{
return GetChannels(reader, urlHash, channelIdPrefix);
}
}
public Task<Stream> GetListingsStream(string url, CancellationToken cancellationToken)
{
if (url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
return _httpClient.Get(url, cancellationToken);
}
return Task.FromResult(_fileSystem.OpenRead(url));
}
private List<M3UChannel> GetChannels(StreamReader reader, string urlHash, string channelIdPrefix)
{
var channels = new List<M3UChannel>();
string channnelName = null;
string channelNumber = null;
string line;
while ((line = reader.ReadLine()) != null)
{
line = line.Trim();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
if (line.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (line.StartsWith("#EXTINF:", StringComparison.OrdinalIgnoreCase))
{
line = line.Substring(8);
_logger.Info("Found m3u channel: {0}", line);
var parts = line.Split(new[] { ',' }, 2);
channelNumber = parts[0];
channnelName = parts[1];
}
else if (!string.IsNullOrWhiteSpace(channelNumber))
{
channels.Add(new M3UChannel
{
Name = channnelName,
Number = channelNumber,
Id = channelIdPrefix + urlHash + line.GetMD5().ToString("N"),
Path = line
});
channelNumber = null;
channnelName = null;
}
}
return channels;
}
}
public class M3UChannel : ChannelInfo
{
public string Path { get; set; }
public M3UChannel()
{
}
}
}
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