public async Task <Guid> AddUser(User user)
{
//validate model
if (!user.IsValid())
{
throw new ArgumentException("invalid user", "user");
}
if (_context.Users.Any(u => u.Email == user.Email))
{
throw new ArgumentException("already exists", "email"); //todo: custom exception
}
user.CreatedOn = DateTime.Now;
var entity = (await _context.Users.AddAsync(user)).Entity;
await _context.SaveChangesAsync();
return(entity.Id);
}
public async void ProductScrape()
{
string price = "7.250 TL";
string price1 = "100 TL";
string price2 = "350 TL";
string Url =
"https://www.arabam.com/ilan/rent-a-car-dan-kiralik-skoda-superb/skoda-superb-2018-dizel-otomatik-avansis-oto-kiralama/15772963";
string Url1 = "https://www.arabam.com/ilan/rent-a-car-dan-kiralik-citroen-c-elysee/dedeoglu-dan-kiralik-dizel-araclar/13058389";
string Url2 = "https://www.arabam.com/ilan/rent-a-car-dan-kiralik-bmw-3-serisi/ador-motors-bmw-320-m-plus-otomatik-gunluk-350-tl/14951347";
string XPath = "//*[@id='wrapper']/div[5]/div[3]/div/div[1]/p";
string XPath1 = "//*[@id='js-hook-for-observer-detail']/div[2]/ul/li[1]/span[2]";
string XPath2 = "//*[@id='js-hook-for-observer-detail']/div[2]/div[1]/div/span";
url = new Uri(Url);
url1 = new Uri(Url1);
url2 = new Uri(Url2);
WebClient client = new WebClient();
client.Encoding = Encoding.UTF8;
html = client.DownloadString(url);
html1 = client.DownloadString(url1);
html2 = client.DownloadString(url2);
HtmlAgilityPack.HtmlDocument document = new HtmlAgilityPack.HtmlDocument();
document.LoadHtml(html);
var firstAdsName = document.DocumentNode.SelectSingleNode(XPath).InnerText;
var firstAdsNumber = document.DocumentNode.SelectSingleNode(XPath1).InnerText;
var firstAdsPrice = document.DocumentNode.SelectSingleNode(XPath2).InnerText;
document.LoadHtml(html1);
var secondAdsName = document.DocumentNode.SelectSingleNode(XPath).InnerText;
var secondAdsNumber = document.DocumentNode.SelectSingleNode(XPath1).InnerText;
var secondAdsPrice = document.DocumentNode.SelectSingleNode(XPath2).InnerText;
document.LoadHtml(html2);
var thirdAdsName = document.DocumentNode.SelectSingleNode(XPath).InnerText;
var thirdAdsNumber = document.DocumentNode.SelectSingleNode(XPath1).InnerText;
var thirdAdsPrice = document.DocumentNode.SelectSingleNode(XPath2).InnerText;
Product adsProduct = new Product
{
Name = firstAdsName,
AdsNumber = Convert.ToInt32(firstAdsNumber),
Price = firstAdsPrice,
Date = DateTime.Now
};
Product adsProduct1 = new Product
{
Name = secondAdsName,
AdsNumber = Convert.ToInt32(secondAdsNumber),
Price = secondAdsPrice,
Date = DateTime.Now
};
Product adsProduct2 = new Product
{
Name = thirdAdsName,
AdsNumber = Convert.ToInt32(thirdAdsNumber),
Price = thirdAdsPrice,
Date = DateTime.Now
};
InterviewContext context = new InterviewContext();
if (adsProduct.Price != price)
{
priceChange = price + "" + adsProduct.Price;
await _mailer.SendEmailAsync("*****@*****.**", "Change", "ChangeAdsProduct" + priceChange);
}
if (adsProduct1.Price != price1)
{
priceChange = price + "" + adsProduct1.Price;
await _mailer.SendEmailAsync("*****@*****.**", "Change", "ChangeAdsProduct" + priceChange);
}
if (adsProduct2.Price != price2)
{
priceChange = price + "" + adsProduct2.Price;
await _mailer.SendEmailAsync("*****@*****.**", "Change", "ChangeAdsProduct" + priceChange);
}
await context.Products.AddAsync(adsProduct);
await context.Products.AddAsync(adsProduct1);
await context.Products.AddAsync(adsProduct2);
await context.SaveChangesAsync();
}
