public List<RentedApartment> Parse(string siteDomain, string html, string[] adOwnerLoginNameFilter, string[] adDescriptionFilter)
{
string cHtml = String.Empty;
if (!String.IsNullOrEmpty(html))
{
int startIndex = html.IndexOf(StartDataFlag);
if (startIndex > 0)
{
cHtml = html.Remove(0, startIndex + StartDataFlag.Length);
int endIndex = cHtml.IndexOf(EndDataFlag);
if (endIndex > 0)
cHtml = cHtml.Remove(endIndex, cHtml.Length - endIndex);
}
}
RentedApartmentCollection collection = new RentedApartmentCollection();
List<RentedApartment> apartments = new List<RentedApartment>();
string[] stringSeparators = new string[] { "<tr class=\"advertRow\">" };
string[] matchAds = cHtml.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries);
foreach (string matchAd in matchAds)
{
RentedApartment apartment = new RentedApartment();
string ad_id = ParserHelper.GetDataValue(matchAd, AdIdStartPattern, AdIdEndPattern);
if (!String.IsNullOrEmpty(ad_id))
apartment.AdId = ulong.Parse(ad_id);
else
continue;
apartment.IsFiltered = false;
string date_create = ParserHelper.GetDataValue(matchAd, AdCreatedStartPattern, AdCreatedEndPattern);
if (!String.IsNullOrEmpty(date_create))
apartment.AdCreated = GetDateTime(date_create);
string price_usd = ParserHelper.GetDataValue(matchAd, PriceStartPattern, PriceEndPattern);
if (!String.IsNullOrEmpty(price_usd))
{
ulong price = 0;
ulong.TryParse(price_usd, out price);
apartment.Price = price;
}
// http://irr.by/user/488351/
string user_url = ParserHelper.GetDataValue(matchAd, AdOwnerUserUrlStartPattern, AdOwnerUserUrlEndPattern);
if (!String.IsNullOrEmpty(user_url))
{
apartment.AdOwnerUserUrl = siteDomain + user_url;
// Parse OwnerId
string ownerIdStr = Regex.Match(user_url, @"\d+").Value;
if (!String.IsNullOrEmpty(ownerIdStr))
apartment.AdOwnerId = ulong.Parse(ownerIdStr);
}
GetLinkAndTitle(siteDomain, apartment, matchAd, LinkStartPattern, LinkEndPattern);
string user_login = ParserHelper.GetDataValue(matchAd, AdOwnerLoginNameStartPattern, AdOwnerLoginNameEndPattern);
if (!String.IsNullOrEmpty(user_login))
{
if (adOwnerLoginNameFilter != null && !apartment.IsFiltered)
{
foreach (string filter in adOwnerLoginNameFilter)
{
if (user_login.IndexOf(filter, 0, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
apartment.IsFiltered = true;
break;
}
}
}
apartment.AdOwnerLoginName = user_login;
}
string description = ParserHelper.GetDataValue(matchAd, DescriptionStartPattern, DescriptionEndPattern);
if (!String.IsNullOrEmpty(description))
{
if (adDescriptionFilter != null && !apartment.IsFiltered)
{
foreach (string filter in adDescriptionFilter)
{
if (description.IndexOf(filter, 0, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
apartment.IsFiltered = true;
break;
}
}
}
apartment.Description = description;
}
apartments.Add(apartment);
}
return apartments;
}
/// <summary>
///
/// </summary>
/// <param name="apartment"></param>
/// <param name="source"></param>
/// <param name="startPattern"></param>
/// <param name="endPattern"></param>
private static void GetLinkAndTitle(string siteDomain, RentedApartment apartment, string source, string startPattern, char endPattern)
{
if (String.IsNullOrEmpty(source) || apartment == null)
return;
int startIndex = source.IndexOf(startPattern);
if (startIndex < 0)
return;
string startPart = source.Substring(startIndex + startPattern.Length);
StringBuilder sbLink = new StringBuilder();
StringBuilder sbTitle = new StringBuilder();
bool parsingLink = true;
foreach (char symb in startPart)
{
if (symb == endPattern)
break;
if (parsingLink && symb != '"')
sbLink.Append(symb);
else if (parsingLink)
parsingLink = false;
else if (symb != '>')
sbTitle.Append(symb);
}
apartment.Title = sbTitle.ToString();
apartment.AdUrl = siteDomain + sbLink.ToString();
}
