public async Task ObserveAsync(string productName, string productUrl)
{
try
{
ISiteParser parser = _parserFactory.GetInstance(productUrl);
ProductPriceFetchResult price = parser.Parse(productName, productUrl);
if (price.Price <= 0)
{
throw new Exception("Price is negative or zero");
}
await _priceStore.StoreAsync(price);
}
catch (Exception e)
{
var id = Guid.NewGuid().ToString("N");
_logger.LogError(e, $"{id} Could not observe prices on site {productUrl}");
var price = new ProductPriceFetchResult(e.Message, id, productName, productUrl);
await _priceStore.StoreAsync(price);
}
}
internal static async Task <IEnumerable <byte[]> > GetPreviewsImpl(ISiteParser parser, IManga manga)
{
var links = new List <Uri>();
var client = await ConfigStorage.Plugins.Single(p => p.MangaType == manga.GetType()).GetCookieClient(true).ConfigureAwait(false);
try
{
var document = new HtmlDocument();
var content = (await client.GetPage(manga.Uri).ConfigureAwait(false)).Content;
document.LoadHtml(content);
var chapterNodes = document.DocumentNode.SelectNodes("//img[@id='cover']");
if (chapterNodes != null)
{
foreach (var node in chapterNodes.SelectMany(n => n.Attributes).Where(a => a.Name == "src" && !string.IsNullOrWhiteSpace(a.Value)))
{
var src = node.Value;
Uri link;
if (Uri.IsWellFormedUriString(src, UriKind.Relative))
{
link = new Uri(manga.Setting.MainUri, src);
}
else
{
link = new Uri(src);
}
links.Add(link);
}
}
}
catch (NullReferenceException ex)
{
Log.Exception(ex, $"Возможно, требуется регистрация для доступа к {manga.Uri}");
}
var images = new List <byte[]>();
foreach (var link in links)
{
byte[] image = null;
try
{
image = await client.GetData(link).ConfigureAwait(false);
}
catch (Exception e)
{
Log.Exception(e);
}
if (image != null)
{
images.Add(image);
}
}
return(images);
}
public SiteChecker(ISiteReader reader = null, ISiteParser parser = null)
{
_siteReader = reader ?? new SiteReader();
_siteParser = parser ?? new SiteParser();
}
public SiteParser(ISiteParser parser, ISiteRequests requests)
{
this.parser = parser;
this.requests = requests;
}
public StoreController(ISiteParser siteParser, PredictionEnginePool <ModelInput, ModelOutput> predictionEnginePool)
{
_siteParser = siteParser;
_predictionEnginePool = predictionEnginePool;
}
public SiteParserHostedService(ISiteParser siteParser, IApplicationLifetime applicationLifetime)
{
_siteParser = siteParser;
_applicationLifetime = applicationLifetime;
}
public HomeController(ISiteParser parser)
{
_siteParser = parser;
}
