CraigsListResultCollection GetAllPreviousCraigsListResult()
{
if (!(File.Exists(LOG_FILE_NAME)))
{
return(null);
}
XmlSerializer serializer = new XmlSerializer(typeof(CraigsListResultCollection));
StreamReader reader = new StreamReader(LOG_FILE_NAME);
CraigsListResultCollection previousCraigsListResults = (CraigsListResultCollection)serializer.Deserialize(reader);
reader.Close();
return(previousCraigsListResults);
}
void ParseCraigsListResult(string result)
{
ResultsTextbox.Clear();
List <CraigsListResult> newResults = new List <CraigsListResult>();
CraigsListResultCollection previousCraigsListResults = GetAllPreviousCraigsListResult();
CraigsListResult latestCraigsListResult = null;
//if (null != previousCraigsListResults)
//{
// latestCraigsListResult = previousCraigsListResults.CraigsListResult[0];
//}
//ClearPreviousCraigsListResult();
string rowPattern = "<li class=\"result-row\"";
string[] rows = Regex.Split(result, rowPattern);
string spanPattern = "<p class=\"result-info\">";
foreach (string row in rows)
{
if (row.Contains(spanPattern))
{
string temp = "<li " + row.Trim();
// if row doesn't end with </li> clear it
if (!temp.EndsWith("</li>"))
{
temp = temp.Substring(0, temp.IndexOf("</li>") + 5);
}
XmlDocument xml = new XmlDocument();
xml.LoadXml(temp);
CraigsListResult parsedRow = ParseCraigsListRow(xml);
if (parsedRow == latestCraigsListResult)
{
ResultsTextbox.AppendText("No more new results were found.");
break;
}
int setPrice = 0;
try
{
setPrice = Convert.ToInt32(parsedRow.price);
}
catch (Exception)
{
setPrice = -1;
}
if (maxPrice > setPrice)
{
ShowCraigsListParsedRow(parsedRow);
newResults.Add(parsedRow);
}
}
}
//SaveCraigsListResult(previousCraigsListResults);
}