void ShowCraigsListParsedRow(CraigsListResult parsedRow)
{
string result = string.Empty;
// See if sale posting includes picture
result += (parsedRow.hasPicture) ? "Sale posting includes picture\r\n" : "Sale posting does *NOT* include picture\r\n";
// Show the date of posting
result += string.Format("Date of posting is: {0}\r\n", parsedRow.date);
// Show price of posting
result += string.Format("Posted price: {0}\r\n", parsedRow.price);
// Show description
result += string.Format("Title of posting: {0}\r\n", parsedRow.description);
// Show hyperlink
result += string.Format("Link to posting: {0}\r\n", parsedRow.hyperlink);
// Show location
result += string.Format("Location of item: {0}\r\n", parsedRow.location);
// Add a blank line
result += "\r\n";
ResultsTextbox.AppendText(result);
}
void SaveCraigsListResult(CraigsListResult parsedRow)
{
XmlSerializer serializer = new XmlSerializer(typeof(CraigsListResult));
TextWriter writer = new StreamWriter(LOG_FILE_NAME, true);
serializer.Serialize(writer, parsedRow);
writer.Close();
}
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);
}
