|
public GetEntriesBeforeDateAndDelete ( System.DateTime beforeDateTime ) : IEnumerable |
||
| beforeDateTime | System.DateTime | |
| return | IEnumerable |
|
/// <summary>
/// Extracts the typed queries from Sogou 2012
/// </summary>
/// <param name="args"></param>
public static void MainSogou2012(string[] args)
{
HashSet<string> lookupPastQueries = new HashSet<string>();
Journal journal = new Journal();
StreamWriter fsOutput = new StreamWriter(new FileStream(@"D:\Query log data\SogouQ.2012.full\Sogou2012-queries.txt", FileMode.CreateNew), Encoding.UTF8);
string[] files = new string[] { @"D:\Query log data\SogouQ.2012.full\querylog.txt" };
foreach (string file in files)
{
using (StreamReader sr = new StreamReader(file, Encoding.GetEncoding(936)))
{
String line = sr.ReadLine();
int counter = 0;
while (line != null)
{
counter++;
if (counter % 10000 == 0)
Console.WriteLine("Reached: " + counter.ToString());
string[] row = line.Split('\t');
DateTime queryTime = DateTime.ParseExact(row[0], "yyyyMMddHHmmss", CultureInfo.InvariantCulture);
string lookupKey = row[1] + row[2];
// Ensure query doesn't already exist in the journal
if (!lookupPastQueries.Contains(lookupKey))
{
fsOutput.WriteLine(row[2].Replace("[", "").Replace("]", "") + '\t' + queryTime.ToString("yyyy-MM-dd HH:mm:ss"));
// Add to journal
JournalEntry je = new JournalEntry();
je.EntryDateTime = queryTime;
je.Query = lookupKey; // Set query as lookup query
journal.AddEntry(je);
}
// Remove old journal entries
foreach (JournalEntry je in journal.GetEntriesBeforeDateAndDelete(queryTime.AddMinutes(-30)))
{
lookupPastQueries.Remove(je.Query);
}
line = sr.ReadLine();
}
}
}
}
/// <summary>
/// Extracts the typed queries from Sogou 2008
/// </summary>
/// <param name="args"></param>
public static void MainSogou2008(string[] args)
{
Dictionary<string, int> lookupPastQueries = new Dictionary<string, int>();
Journal journal = new Journal();
StreamWriter fsOutput = new StreamWriter(new FileStream(@"D:\QueryLogs\SogouQ.2008\sogououtput.txt", FileMode.Create), Encoding.UTF8);
int badCount = 0;
foreach (string file in Directory.GetFiles(@"D:\QueryLogs\SogouQ.2008\", "*.filter"))
{
FileInfo fi = new FileInfo(file);
string[] fileParts = fi.Name.Split('.');
string datePart = fileParts[1].Substring(0, 4) + "-" + fileParts[1].Substring(4, 2) + "-" + fileParts[1].Substring(6, 2);
using (StreamReader sr = new StreamReader(file, Encoding.GetEncoding(936)))
{
String line = sr.ReadLine();
while (line != null)
{
string[] row = line.Split('\t');
DateTime queryTime = DateTime.Parse(datePart + ' ' + row[0]);
if (row[2].Replace("[", "").StartsWith("http") || row[2].Replace("[", "").StartsWith("www."))
{
line = sr.ReadLine();
continue;
}
string lookupKey = row[1] + row[2];
int pastCount = 0;
lookupPastQueries.TryGetValue(lookupKey, out pastCount);
// Ensure query doesn't already exist in the journal
if (pastCount == 0)
{
fsOutput.WriteLine(row[2].Replace("[", "").Replace("]", "") + '\t' + queryTime.ToString("yyyy-MM-dd HH:mm:ss"));
}
else
{
badCount++;
}
// Add to journal
JournalEntry je = new JournalEntry();
je.EntryDateTime = queryTime;
je.Query = lookupKey; // Set query as lookup query
journal.AddEntry(je);
// Increment the counter for the query
if (lookupPastQueries.ContainsKey(lookupKey))
lookupPastQueries[lookupKey] += 1;
else
lookupPastQueries[lookupKey] = 1;
// Remove old journal entries
foreach (JournalEntry je2 in journal.GetEntriesBeforeDateAndDelete(queryTime.AddMinutes(-30)))
{
lookupPastQueries[je2.Query] -= 1;
//if (lookupPastQueries[je2.Query] == 0)
//lookupPastQueries.Remove(je2.Query);
}
line = sr.ReadLine();
}
}
}
fsOutput.Close();
}