private List <WebSearchResult> SearchOnPage(int pageNumber, Layout layout)
{
AvitoPage page = new AvitoPage(_settings, new AvitoPageRequest(_settings, pageNumber, layout.SearchText));
List <WebSearchResult> results = new List <WebSearchResult>();
Filter filter = new Filter();
string[] titleContains = layout.SearchText.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < titleContains.Length; i++)
{
titleContains[i] = new LowerText(new TrimText(titleContains[i]));
}
filter.TitleContains = titleContains;
string[] titleDoesNotContain = layout.SearchTextExclude.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < titleDoesNotContain.Length; i++)
{
titleDoesNotContain[i] = new LowerText(new TrimText(titleDoesNotContain[i]));
}
filter.TitleDoesNotContain = titleDoesNotContain;
filter.MinPrice = layout.MinPrice;
filter.MaxPrice = layout.MaxPrice < 1 ? int.MaxValue : layout.MaxPrice;
filter.DatesAfter = layout.DatesAfter;
var webSearchResults = page.GetResults(filter);
foreach (var result in webSearchResults)
{
if (result.ImageUrl != null)
{
var image = ImageUtil.GetImage(result.ImageUrl).GetThumbnailImage(100, 70, null, IntPtr.Zero);
result.ImageBase64 = ImageUtil.ImageToBase64String(image);
}
}
results.AddRange(webSearchResults);
return(results);
}
public List <WebSearchResult> GetResults(Filter filter)
{
List <WebSearchResult> results = new List <WebSearchResult>();
HtmlNode node = new HtmlToHtmlNode(_content.Value);
if (node == null)
{
Log.Error("Can't parse content. Invalid HtmlNode.");
return(results);
}
// <div class="snippet-date-info" data-marker="item-date" data-shape="default" data-tooltip="27 августа 14:12" flow="down">
// 2 дня назад
// </div>
HtmlNodeCollection dates = node.SelectNodes("//div[@data-marker='item-date']");
if (dates == null)
{
Log.Error("Can't parse dates. Unexpected html structure.");
return(results);
}
DateTime prevDate = DateTime.Today;
foreach (HtmlNode dateNode in dates)
{
// <div class="description item_table-description">
// <div class="snippet-title-row">...
HtmlNode entryNode = dateNode.ParentNode.ParentNode.ParentNode;
HtmlNode titleANode = entryNode.SelectSingleNode(".//div[contains(@class,'snippet-title-row')]/h3/a");
WebLink titleValue = GetTitleValue(titleANode);
string title = new LowerText(titleValue.Text);
bool @break = false;
foreach (string contains in filter.TitleContains)
{
if (!title.Contains(contains))
{
@break = true;
break;
}
}
if (@break)
{
continue;
}
foreach (string contains in filter.TitleDoesNotContain)
{
if (title.Contains(contains))
{
@break = true;
break;
}
}
if (@break)
{
continue;
}
DateTime?dateValue = AvitoParser.GetDateValue(dateNode.InnerText, prevDate, DateTime.Now);
if (dateValue == null || dateValue < filter.DatesAfter)
{
continue;
}
// <div class="snippet-price-row"><span itemprop="offers" itemtype="http://schema.org/Offer" itemscope="" class="snippet-price " data-shape="default" data-marker="item-price"><meta itemprop="priceCurrency" content="RUB"><meta itemprop="price" content="6490"><meta itemprop="availability" content="https://schema.org/LimitedAvailability">
// 6 490 ₽
HtmlNode priceNode = entryNode.SelectSingleNode(".//span[@data-marker='item-price']");
int? priceValue = AvitoParser.GetPriceValue(priceNode?.InnerText);
if (priceValue != null)
{
if (priceValue < filter.MinPrice || priceValue > filter.MaxPrice)
{
continue;
}
}
bool isVIPad = priceNode.ParentNode.ParentNode.GetAttributeValue("class", "") == "options" && priceNode.ParentNode.ParentNode.GetAttributeValue("itemprop", "") == "offers";
// <div class="data">
// <p>Часы и украшения</p>
HtmlNode categoryNode = entryNode.SelectSingleNode(".//div[@class='data']/p");
// <span class="item-address-georeferences-item__content">Комендантский проспект</span>
HtmlNode addressNode = entryNode.SelectSingleNode(".//span[@class='item-address-georeferences-item__content']");
// <div class="item-photo" data-marker="item-photo">
HtmlNode imgNode = entryNode.ParentNode.ParentNode.SelectSingleNode(".//div[@data-marker='item-photo']");
imgNode = imgNode?.SelectSingleNode(".//img");
if (isVIPad)
{
if (imgNode == null)
{
imgNode = entryNode.ParentNode.ParentNode.SelectSingleNode(".//div[@class='img-container']");
imgNode = imgNode?.SelectSingleNode(".//img");
}
}
WebSearchResult result = new WebSearchResult();
result.Title = titleValue;
result.IsVIPad = isVIPad;
result.Date = dateValue.Value;
prevDate = result.Date.Date;
result.Category = AvitoParser.GetCategoryValue(categoryNode?.InnerText);
result.Address = AvitoParser.GetAddressValue(addressNode?.InnerText);
result.ImageUrl = GetImageUrl(imgNode);
result.Price = priceValue;
results.Add(result);
}
return(results);
}