RhSolutions-AddIn/Source/Assistant/SkuAssist.cs

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C#
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2021-11-29 21:24:44 +03:00
using AngleSharp;
using AngleSharp.Dom;
using System;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
namespace Rehau.Sku.Assist
{
static class SkuAssist
{
private static HttpClient _httpClient;
private enum ResponseOrder
{
NoSettings,
Relevance,
Name,
Price,
Series
}
private static void _EnsureHttpClientRunning()
{
if (_httpClient == null)
_httpClient = new HttpClient();
}
public async static Task<string> GetContent(string request)
{
Uri uri = _ConvertToUri(request, ResponseOrder.NoSettings);
_EnsureHttpClientRunning();
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
return await _httpClient.GetStringAsync(uri);
}
public async static Task<IDocument> GetDocument(Task<string> source)
{
IConfiguration config = Configuration.Default;
IBrowsingContext context = BrowsingContext.New(config);
return await context.OpenAsync(req => req.Content(source.Result));
}
public static IProduct GetProductFromDocument(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', ' ' })))
.FirstOrDefault();
}
private static Uri _ConvertToUri(this string request, ResponseOrder order)
{
string cleanedRequest = request._CleanRequest();
switch (order)
{
case ResponseOrder.Relevance:
return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=relevance&q=" + cleanedRequest);
case ResponseOrder.Name:
return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=name&q=" + cleanedRequest);
case ResponseOrder.Price:
return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=price&q=" + cleanedRequest);
case ResponseOrder.Series:
return new Uri("https://shop-rehau.ru/catalogsearch/result/index/?dir=asc&order=sch_product_series&q=" + cleanedRequest);
case ResponseOrder.NoSettings:
return new Uri("https://shop-rehau.ru/catalogsearch/result/?q=" + cleanedRequest);
default:
throw new ArgumentException();
}
}
private static string _CleanRequest(this string input)
{
return input.Replace("+", " plus ");
}
}
}