tytd/Tesses.YouTubeDownloader/SSEClient.cs

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1.8 KiB
C#
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using System;
using System.IO;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Newtonsoft.Json;
namespace Tesses.YouTubeDownloader
{
public static class SSEExtensions
{
public static async Task<SSEClient> GetSSEClientAsync(this HttpClient clt,string url)
{
var strm=await clt.GetStreamAsync(url);
return new SSEClient(strm);
}
}
public class SSEEvent : EventArgs
{
public SSEEvent(string data)
{
Data=data;
}
public string Data {get;set;}
public T ParseJson<T>()
{
return JsonConvert.DeserializeObject<T>(Data);
}
}
public class SSEClient
{
Stream strm;
public SSEClient(Stream strm)
{
this.strm=strm;
}
public EventHandler<SSEEvent> Event;
public async Task ReadEventsAsync(CancellationToken token=default(CancellationToken))
{
try{
using(var sr = new StreamReader(strm)){
token.Register(()=>{
sr.Dispose();
});
while(!token.IsCancellationRequested)
{
string text=await sr.ReadLineAsync();
if(!string.IsNullOrWhiteSpace(text))
Event?.Invoke(this,new SSEEvent(text.Substring(6)));
}
}
}catch(Exception ex)
{
_=ex;
}
}
}
public class ProgressItem
{
public long Length {get;set;}
public double Percent {get;set;}
public SavedVideo Video {get;set;}
public bool StartEvent {get;set;}
public bool StopEvent {get;set;}
public bool BellEvent {get;set;}
public bool ErrorEvent {get;set;}
public string Error {get;set;}
public string Id {get;set;}
public string Message {get;set;}
public string ExceptionName {get;set;}
}
}