getArticleInfoAsync(int MAX_SIZE, string URL, string TITLE, string IMG, string numSelector)
{
var browser = await PuppeteerInstance.getInstance();
using (var page = await browser.NewPageAsync())
{
/*go to url*/
await page.GoToAsync(URL);
/*get random num(1~MAX_SIZE)*/
var random = new Random();
var randomNum = random.Next(1, MAX_SIZE);
/*get element from selector(title, img)*/
var titleHandle = await selectArticleAsync(
articleNumber(numSelector, randomNum), TITLE, page);
/*get article information from element(text, imgSrc, url)*/
var title = titleHandle.GetPropertyAsync("text").Result.ToString().Replace("JSHandle:", "");
var href = titleHandle.GetPropertyAsync("href").Result.ToString().Replace("JSHandle:", "");
ElementHandle imgHandle;
await Task.Delay(3000);
await titleHandle.ClickAsync();
await Task.Delay(3000);
try
{
imgHandle = await page.WaitForSelectorAsync(IMG, new WaitForSelectorOptions { Timeout = 3000 });
}
catch
{
imgHandle = await page.WaitForSelectorAsync("#newsEndContents > span:nth-child(1) > img", new WaitForSelectorOptions { Timeout = 3000 });
}
var imgSrc = imgHandle.GetPropertyAsync("src").Result.ToString().Replace("JSHandle:", "");
await browser.CloseAsync();
browser.Dispose();
return(await ArticleFactory.makeArticleAsync(title, href, imgSrc));
}
}