public override IEnumerable <Vacancy> ParseByDate(string category, DateTime date)
{
var item = this.category.Where(x => x.Key == category && x.Value != string.Empty).FirstOrDefault();
if (item.Value != null)
{
int numberOfPages = GetNumberOfPages(item.Value);
checkDate = false;
for (int i = 1; i <= numberOfPages; i++)
{
HtmlNodeCollection vacancyCollection = new HtmlWeb().Load(item.Value + "/pg" + i).DocumentNode.Descendants("table").Where(x => x.Attributes["class"].Value == "f-vacancylist-tablewrap").FirstOrDefault().ChildNodes;
foreach (var itemNode in vacancyCollection)
{
if (itemNode != vacancyCollection[vacancyCollection.Count - 1])
{
if (checkDate && dayAgo != "1 день назад")
{
checkDate = false;
}
if (!checkDate)
{
Vacancy vacancy = new Vacancy {
ParseSiteId = webSiteId, Сategory = item.Key
};
ParseVacancyHeader(itemNode, ref vacancy, date);
if (vacancy != null)
{
yield return(vacancy);
}
else
{
continue;
}
}
else
{
break;
}
}
}
}
}
}
private void ParseSecondTemplateVacancyParams(HtmlNode node, ref Vacancy vacancy)
{
try
{
foreach (var itemNode in node.SelectSingleNode("//div[@class='d_des']").ChildNodes["table"].ChildNodes)
{
if (itemNode.NodeType == HtmlNodeType.Element)
{
foreach (var childNode in itemNode.ChildNodes)
{
if (childNode.NodeType == HtmlNodeType.Element)
{
if (childNode.InnerText.Contains("Сайт"))
{
vacancy.CompanyWebSite = childNode.InnerText.Trim();
}
else if (childNode.InnerText.Contains("Вид занятости"))
{
vacancy.TypeOfEmployment = childNode.InnerText.Trim();
}
else if (childNode.InnerText.Contains("Контактное лицо"))
{
vacancy.ContactPerson = childNode.InnerText.Trim();
}
else if (childNode.InnerText.Contains("Опыт работы"))
{
vacancy.Experience = childNode.InnerText.Trim();
}
else if (childNode.InnerText.Contains("Телефон"))
{
vacancy.PhoneNumber = childNode.LastChild.InnerText.Trim();
}
}
}
}
}
}
catch { }
}
private async Task <IEnumerable <Vacancy> > ParserCategory(string keyCategory)
{
try
{
this.url = this.category[keyCategory];
}
catch
{
return(null);
}
if (this.url != string.Empty)
{
List <Vacancy> list = new List <Vacancy>();
var Url = this.site + this.url + this.prefPage;
for (int i = 1; ; i++)
{
var document = await BrowsingContext.New(config).OpenAsync(Url + i);
var cells = document.QuerySelectorAll("#center > div > div.row > div.col-md-8.col-left > div.card.card-hover.card-visited.job-link > h2 > a");
if (cells.Length == 0) // перевірка на завершення сторінок
{
break;
}
foreach (var item in cells)
{
Vacancy vacancy = new Vacancy();
vacancy.ParseSiteId = this.siteId;
vacancy.PublicationDate = DateTime.Today;
var link = await BrowsingContext.New(config).OpenAsync(site + item.GetAttribute("href"));
vacancy.VacancyHref = site + item.GetAttribute("href");
try
{
vacancy.Title = link.QuerySelector("div.card > h1.cut-top.wordwrap").TextContent;
vacancy.Company = link.QuerySelector("dl.dl-horizontal > dd > a > b").TextContent;
var attributes = link.QuerySelectorAll("dl.dl-horizontal > dt");
foreach (var el in attributes)
{
SwitchAttributeByName(ref vacancy, el);
}
}
catch (Exception ex) { }
try
{
vacancy.Salary = link.QuerySelector("div.card > h3.wordwrap").TextContent;
}
catch (Exception ex) { }
var desc = link.QuerySelectorAll("div.card > div.overflow > p");
foreach (var el in desc)
{
vacancy.Description += el.TextContent;
}
list.Add(vacancy);
}
}
return(list);
}
else
{
return(null);
}
}
public override IEnumerable <Vacancy> ParseByDate(string keyCategory, DateTime date)
{
List <Vacancy> tempList = new List <Vacancy>();
int countFive = 0;
int page = 1;
string url = "";
try
{
url = "https://www.olx.ua/rabota/" + categoryCollection[keyCategory];
}
catch
{
return(null);
}
var Webget = new HtmlWeb();
var doc = Webget.Load(url);
var pages = doc.DocumentNode.SelectSingleNode("//div[@class='pager rel clr']").ChildNodes;
int pageCount = Convert.ToInt32(pages[pages.Count - 4].InnerText.Trim());
if (categoryCollection[keyCategory] != "")
{
while (page < pageCount)
{
foreach (var node in doc.DocumentNode.SelectNodes("//table//tbody//tr[@class='wrap']//td//article"))
{
Vacancy newVacancy = new Vacancy();
if (node.SelectSingleNode("//h3") != null)
{
string title = node.SelectSingleNode("div[1]//h3").InnerText.Trim();
newVacancy.Title = title;
string link = node.SelectSingleNode("div[1]//h3//a").Attributes["href"].Value;
if ((getTime(link) < date) && countFive >= 5)
{
return(tempList);
}
else if (getTime(link) < date)
{
countFive++;
continue;
}
newVacancy.VacancyHref = link;
getInnerInformation(link, ref newVacancy);
}
if (node.SelectSingleNode("//ul") != null)
{
string city = node.SelectSingleNode("div[1]//ul//li[1]").InnerText;
if (city.Contains(","))
{
city = city.Remove(city.IndexOf(','));
newVacancy.Location = city;
}
else
{
newVacancy.Location = city;
}
}
if (node.SelectSingleNode("//div[2]//div[1]") != null)
{
string salary = node.SelectSingleNode("//div[@class='list-item__col list-item__col--price']//div[@class='list-item__price']").InnerText.Trim();
newVacancy.Salary = salary;
}
tempList.Add(newVacancy);
countFive++;
}
page++;
url = "https://www.olx.ua/rabota/" + categoryCollection[keyCategory] + "/?page=" + page;
Webget = new HtmlWeb();
doc = Webget.Load(url);
}
}
return(tempList);
}
public override IEnumerable <Vacancy> ParseByCategory(string keyCategory)
{
List <Vacancy> tempList = new List <Vacancy>();
int page = 0;
string url = "";
try
{
url = "https://www.olx.ua/rabota/" + categoryCollection[keyCategory];
}
catch
{
return(null);
}
var Webget = new HtmlWeb();
var doc = Webget.Load(url);
var pages = doc.DocumentNode.SelectSingleNode("//div[@class='pager rel clr']").ChildNodes;
int pageCount = Convert.ToInt32(pages[pages.Count - 4].InnerText.Trim());
if (categoryCollection[keyCategory] != "")
{
while (page < pageCount)
{
foreach (var node in doc.DocumentNode.SelectNodes("//table//tbody//tr[@class='wrap']//td//article"))
{
Vacancy newVacancy = null;
try
{
newVacancy = new Vacancy()
{
ParseSiteId = id
};
newVacancy.Сategory = keyCategory;
if (node.SelectSingleNode("//h3") != null)
{
string title = node.SelectSingleNode("div[1]//h3").InnerText.Trim();
newVacancy.Title = title;
string link = node.SelectSingleNode("div[1]//h3//a").Attributes["href"].Value;
newVacancy.VacancyHref = link;
getInnerInformation(link, ref newVacancy);
}
if (node.SelectSingleNode("//ul") != null)
{
string city = node.SelectSingleNode("div[1]//ul//li[1]").InnerText;
if (city.Contains(","))
{
city = city.Remove(city.IndexOf(','));
newVacancy.Location = city;
}
else
{
newVacancy.Location = city;
}
}
}
catch
{
}
if (newVacancy != null)
{
tempList.Add(newVacancy);
}
}
page++;
url = null;
while (url == null)
{
try
{
url = "https://www.olx.ua/rabota/" + categoryCollection[keyCategory] + "/?page=" + page;
}
catch { }
}
Webget = new HtmlWeb();
doc = null;
while (doc == null)
{
try
{
doc = Webget.Load(url);
}
catch { }
}
}
}
return(tempList);
}
public override IEnumerable <Vacancy> ParseByDate(string keyCategory, DateTime date)
{
List <Vacancy> tempList = new List <Vacancy>();
string valuecategory = null;
try
{
valuecategory = category[keyCategory];
}
catch
{
yield break;
}
string href = "https://jobs.ua/vacancy/" + valuecategory;
string additionalPeriod = "";
int countpages = GetnumbersOfPage(href);
for (int i = 1; i <= countpages; i++)
{
additionalPeriod = "/page-" + i;
HtmlDocument document = null;
HtmlNode[] links = null;
try
{
document = new HtmlWeb().Load(href + additionalPeriod);
}
catch
{
document = GetDokumentByURL(href + additionalPeriod);
}
try
{
links = document.DocumentNode.SelectNodes("//ul[@class='b-vacancy__list js-items_block']").ToArray();
}
catch
{
links = GetHodeByUrl(href);
}
foreach (var item in links[0].ChildNodes.Where(x => x.NodeType != HtmlNodeType.Text))
{
if (item.Name == "#text")
{
continue;
}
Vacancy tempVacancy = null;
if (item != null)
{
try
{
tempVacancy = GetVacancyByNode(item, keyCategory);
}
catch
{
while (tempVacancy == null)
{
tempVacancy = GetVacancyByNode(item, keyCategory);
}
}
}
if (tempVacancy.PublicationDate != date)
{
if (i != 1)
{
yield break;
}
}
else
{
yield return(tempVacancy);
}
}
}
yield break;
}
private Vacancy GetVacancyByNode(HtmlNode node, string category)
{
try
{
if (node == null)
{
return(null);
}
Vacancy tempVacancy = new Vacancy();
tempVacancy.Сategory = category;
tempVacancy.ParseSiteId = siteId;
foreach (var itemNode in node.ChildNodes.Where(x => x.NodeType != HtmlNodeType.Text))
{
switch (itemNode.Attributes[0].Value)
{
case "b-vacancy__top":
foreach (
var childNode in
itemNode.ChildNodes.Where(x => x.NodeType != HtmlNodeType.Text || x.Name != "br"))
{
if (childNode.Name == "a")
{
tempVacancy.VacancyHref = childNode.Attributes["href"].Value;
tempVacancy = GetContentFromHttp(tempVacancy.VacancyHref, tempVacancy);
tempVacancy.Title = childNode.InnerText;
}
else if (childNode.Name == "div")
{
tempVacancy.Salary = childNode.InnerText.Replace(" ", "");
}
else if (childNode.Name == "span")
{
string input = childNode.InnerText;
input.Replace(" ", "");
MatchCollection match = regex.Matches(input);
tempVacancy.PublicationDate = new DateTime(DateTime.Now.Year,
GetNumberMounth(match[0].Groups[2].Value),
Convert.ToInt32(match[0].Groups[1].Value));
break;
}
}
break;
case "b-vacancy__tech":
foreach (
var childNode in itemNode.ChildNodes.Where(item => item.NodeType != HtmlNodeType.Text))
{
if (childNode.Attributes["class"].Value == "b-vacancy__tech__item")
{
tempVacancy.Company = childNode.InnerText.Replace(" ", "").Replace(" ", " ");
}
else
{
if (childNode.ChildNodes.Count > 2)
{
tempVacancy.Location = childNode.ChildNodes[2].InnerText;
}
break;
}
}
break;
case "b-vacancy__tech__item":
switch (itemNode.ChildNodes[1].InnerText)
{
case "Образование":
tempVacancy.Education = itemNode.ChildNodes[3].InnerText;
break;
case "Опыт работы":
tempVacancy.Experience = itemNode.ChildNodes[3].InnerText;
break;
case "График работы":
tempVacancy.TypeOfEmployment = itemNode.ChildNodes[3].InnerText;
break;
default:
break;
}
break;
default:
break;
}
}
return(tempVacancy);
}
catch
{
return(null);
}
}
private Vacancy ParseVacancy(HtmlNode node, ref Vacancy vacancy, DateTime date)
{
try
{
HtmlDocument page = new HtmlWeb().Load(vacancy.VacancyHref);
vacancy.PublicationDate = Convert.ToDateTime(page.DocumentNode.SelectSingleNode("//meta[@property='article:published_time']").Attributes["content"].Value.Substring(0, 10));
if (date != new DateTime())
{
if (vacancy.PublicationDate < date)
{
checkDate = true;
return(vacancy = null);
}
}
if (page.DocumentNode.SelectNodes("//div[@class='f-vacancy-inner-wrapper']") != null)
{
ParceFirstTemplateVacancyParams(page.DocumentNode.SelectSingleNode("//div[@class='f-vacancy-inner-wrapper']"), ref vacancy);
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='f-vacancy-description']").ChildNodes["div"].ChildNodes["div"], ref vacancy);
}
else if (page.DocumentNode.SelectNodes("//div[@id='content_vcVwPopup_VacancyViewInner1_pnlBody']//span//table//tbody//tr[3]//td//div[1]") != null)
{
ParseThirdTemplateVacancyParams(page.DocumentNode.SelectSingleNode("//div[@id='content_vcVwPopup_VacancyViewInner1_pnlBody']//span//table//tbody//tr[3]//td//div[1]"), ref vacancy);
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='descr']"), ref vacancy);
}
else if (page.DocumentNode.SelectNodes("//div[@class='descr']") != null)
{
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='descr']"), ref vacancy);
}
else if (page.DocumentNode.SelectSingleNode("//div[@id='content_vcVwPopup_VacancyViewInner1_pnlBody']//span//div//table//tr//td[2]//div") != null)
{
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@id='content_vcVwPopup_VacancyViewInner1_pnlBody']//span//div//table//tr//td[2]//div"), ref vacancy);
}
else if (page.DocumentNode.SelectSingleNode("//*[@id='content_vcVwPopup_VacancyViewInner1_pnlBody']//span//table//tbody//tr[2]//td//table//tbody//tr//td[2]//div[2]") != null)
{
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//*[@id='content_vcVwPopup_VacancyViewInner1_pnlBody']//span//table//tbody//tr[2]//td//table//tbody//tr//td[2]//div[2]"), ref vacancy);
}
else if (page.DocumentNode.SelectNodes("//div[@class='d_des']") != null)
{
if (page.DocumentNode.SelectNodes("//div[@class='d-items']") != null && page.DocumentNode.SelectNodes("//div[@class='d_des']").FirstOrDefault().LastChild.Name == "div")
{
ParseThirdTemplateVacancyParams(page.DocumentNode.SelectSingleNode("//div[@class='d_des']"), ref vacancy);
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='d_des']").LastChild, ref vacancy);
}
else if (page.DocumentNode.SelectNodes("//div[@class='d-items']") != null)
{
ParseThirdTemplateVacancyParams(page.DocumentNode.SelectSingleNode("//div[@class='d_des']"), ref vacancy);
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='d_des']"), ref vacancy);
}
else if (page.DocumentNode.SelectNodes("//div[@class='d_des_in']") != null)
{
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='d_des_in']"), ref vacancy);
}
else
{
ParseSecondTemplateVacancyParams(page.DocumentNode.SelectSingleNode("//div[@class='d_des']"), ref vacancy);
ParseVacancyDescription(page.DocumentNode.SelectSingleNode("//div[@class='d_des']"), ref vacancy);
}
}
return(vacancy);
}
catch { return(vacancy); }
}
