Tranga-Website/Tranga/Connector.cs

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2.4 KiB
C#
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using System.IO.Compression;
using System.Net;
namespace Tranga;
public abstract class Connector
{
internal abstract string downloadLocation { get; }
public abstract string name { get; }
public abstract Publication[] GetPublications(string publicationTitle = "");
public abstract Chapter[] GetChapters(Publication publication, string language = "");
public abstract void DownloadChapter(Publication publication, Chapter chapter); //where to?
internal abstract void DownloadImage(string url, string path);
internal void DownloadChapter(string[] imageUrls, string outputFolderPath)
{
string tempFolder = Path.GetTempFileName();
File.Delete(tempFolder);
Directory.CreateDirectory(tempFolder);
int chapter = 0;
foreach (string imageUrl in imageUrls)
{
string[] split = imageUrl.Split('.');
string extension = split[split.Length - 1];
DownloadImage(imageUrl, Path.Join(tempFolder, $"{chapter++}.{extension}"));
}
ZipFile.CreateFromDirectory(tempFolder, $"{outputFolderPath}.cbz");
}
internal class DownloadClient
{
private readonly TimeSpan _requestSpeed;
private DateTime _lastRequest;
static readonly HttpClient client = new HttpClient();
public DownloadClient(uint delay)
{
_requestSpeed = TimeSpan.FromMilliseconds(delay);
_lastRequest = DateTime.Now.Subtract(_requestSpeed);
}
public RequestResult MakeRequest(string url)
{
while((DateTime.Now - _lastRequest) < _requestSpeed)
Thread.Sleep(10);
_lastRequest = DateTime.Now;
HttpRequestMessage requestMessage = new(HttpMethod.Get, url);
HttpResponseMessage response = client.Send(requestMessage);
Stream resultString = response.IsSuccessStatusCode ? response.Content.ReadAsStream() : Stream.Null;
return new RequestResult(response.StatusCode, resultString);
}
public struct RequestResult
{
public HttpStatusCode statusCode { get; }
public Stream result { get; }
public RequestResult(HttpStatusCode statusCode, Stream result)
{
this.statusCode = statusCode;
this.result = result;
}
}
}
}