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