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using System.Net.Http;
using System.Threading.Tasks;
using AngleSharp;
using System.Linq;
using System.Net;
namespace Rehau.Sku.Assist
{
static class SkuAssist
{
static private HttpClient _httpClient;
public static void EnsureHttpInitialized()
{
if (_httpClient == null)
{
_httpClient = new HttpClient();
}
}
public static string GetSku(string request)
{
string url = "https://shop-rehau.ru/catalogsearch/result/?q=" + request;
HttpResponseMessage response = GetResponse(url).Result;
var document = GetDocument(response).Result;
var name = document
.All
.Where(e => e.ClassName == "product-item__desc-top")
.Select(e => new { sku = e.Children[0].TextContent, name = e.Children[1].TextContent.Trim(new[] { '\n', ' ' }) })
.Where(t => !t.sku.Any(c => char.IsLetter(c)))
.FirstOrDefault();
return name == null ? "Не найдено" : $"{name.name} ({name.sku})";
}
private static async Task<HttpResponseMessage> GetResponse(string url)
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
HttpResponseMessage response = await _httpClient.GetAsync(url);
response.EnsureSuccessStatusCode();
return response;
}
private static async Task<AngleSharp.Dom.IDocument> GetDocument(HttpResponseMessage response)
{
IConfiguration config = Configuration.Default;
IBrowsingContext context = BrowsingContext.New(config);
string source = await response.Content.ReadAsStringAsync();
return await context.OpenAsync(req => req.Content(source));
}
}
}
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