Assistant/SkuAssist.cs


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using AngleSharp;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;

namespace Rehau.Sku.Assist
{
    static class SkuAssist
    {
        public async static Task<AngleSharp.Dom.IDocument> 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 IProduct GetProductFromDocument(AngleSharp.Dom.IDocument document)
        {
            return document
                .All
                .Where(e => e.ClassName == "product-item__desc-top")
                .Select(e => new Product(e.Children[0].TextContent, e.Children[1].TextContent.Trim(new[] { '\n', ' ' })))
                // .Where(product => !product.Sku.Any(c => char.IsLetter(c)))
                .FirstOrDefault();
        }
    }
}