private async void AnalyzeGooglePlay(object sender, RoutedEventArgs e)
{
GooglePlayHTMLCrawler crawler = new GooglePlayHTMLCrawler();
await InitializeGooglePlayFilesReadersAndWriters(crawler);
StopwatchGooglePlay.Start();
for (int i = GooglePlaySearchWordsCount; i < SearchWords.Count; i++)
{
GooglePlaySearchWordsTextBlock.Text = (++GooglePlaySearchWordsCount).ToString();
Tuple <List <string>, List <string> > tuple = await crawler.FindSearchResultForOneSearchWord(SearchWords[i]);
List <string> htmlStrings = tuple.Item1;
List <string> urlsStrings = tuple.Item2;
//write found urls to file:
foreach (string url in urlsStrings)
{
GooglePlayFoundURLsWriter.WriteLine(url);
}
//write counts to passedSearchWords file
GooglePlayPassedSearchWordsWriter.WriteLine();
GooglePlayPassedSearchWordsWriter.Write(GooglePlaySearchWordsCount + " " +
GooglePlayDownloadedCount + " " +
GooglePlayAnalyzedCount + " " +
GooglePlayErrorsCount
);
AnalyzeHTMLStringsGooglePlay(htmlStrings);
}
StopwatchGooglePlay.Stop();
}
//methods:
private async Task InitializeGooglePlayFilesReadersAndWriters(GooglePlayHTMLCrawler crawler)
{
StorageFile GooglePlayLogExcelFile;
StorageFile GooglePlayLogHumansFile;
StorageFile GooglePlayFoundURLsFile;
StorageFile GooglePlayPassedSearchWordsFile;
try
{
GooglePlayLogExcelFile = await GooglePlayWorkingFolder.GetFileAsync("LogExcel.txt");
}
catch (Exception)
{
GooglePlayLogExcelFile = await GooglePlayWorkingFolder.CreateFileAsync("LogExcel.txt");
}
try
{
GooglePlayLogHumansFile = await GooglePlayWorkingFolder.GetFileAsync("LogHumans.txt");
}
catch (Exception)
{
GooglePlayLogHumansFile = await GooglePlayWorkingFolder.CreateFileAsync("LogHumans.txt");
}
bool foundURLs = false;
try
{
//If we found?
GooglePlayFoundURLsFile = await GooglePlayWorkingFolder.GetFileAsync("GooglePlayFoundURLs.txt");
foundURLs = true;
}
catch (Exception)
{
//If we don't
GooglePlayFoundURLsFile = await GooglePlayWorkingFolder.CreateFileAsync("GooglePlayFoundURLs.txt");
}
bool foundPassedSearchWords = false;
try
{
//If we found:
GooglePlayPassedSearchWordsFile = await GooglePlayWorkingFolder.GetFileAsync("GooglePlayPassedSearchWords.txt");
foundPassedSearchWords = true;
}
catch (Exception)
{
//if we don't
GooglePlayPassedSearchWordsFile = await GooglePlayWorkingFolder.CreateFileAsync("GooglePlayPassedSearchWords.txt");
}
//basic write streams:
var logExcelStream = await GooglePlayLogExcelFile.OpenStreamForWriteAsync();
var logHumansStream = await GooglePlayLogHumansFile.OpenStreamForWriteAsync();
var foundURLsStream = await GooglePlayFoundURLsFile.OpenStreamForWriteAsync();
var passedSearchWordsStream = await GooglePlayPassedSearchWordsFile.OpenStreamForWriteAsync();
//basic read streams:
var foundURLsReadStream = await GooglePlayFoundURLsFile.OpenStreamForReadAsync();
var passedSearchWordsReadStream = await GooglePlayPassedSearchWordsFile.OpenStreamForReadAsync();
//better write streams:
var GooglePlayLogExcelStream = logExcelStream.AsOutputStream();
var GooglePlayLogHumansStream = logHumansStream.AsOutputStream();
var GooglePlayFoundURLsStream = foundURLsStream.AsOutputStream();
var GooglePlayPassedSearchWordsStream = passedSearchWordsStream.AsOutputStream();
//better read streams:
var GooglePlayFoundURLsReadStream = foundURLsReadStream.AsInputStream();
var GooglePlayPassedSearchWordsReadStream = passedSearchWordsReadStream.AsInputStream();
//writers:
GooglePlayLogExcelWriter = new StreamWriter(GooglePlayLogExcelStream.AsStreamForWrite());
GooglePlayLogHumanWriter = new StreamWriter(GooglePlayLogHumansStream.AsStreamForWrite());
GooglePlayFoundURLsWriter = new StreamWriter(GooglePlayFoundURLsStream.AsStreamForWrite());
GooglePlayPassedSearchWordsWriter = new StreamWriter(GooglePlayPassedSearchWordsStream.AsStreamForWrite());
//readers:
GooglePlayFoundURLsReader = new StreamReader(GooglePlayFoundURLsReadStream.AsStreamForRead());
GooglePlayPassedSearchWordsReader = new StreamReader(GooglePlayPassedSearchWordsReadStream.AsStreamForRead());
GooglePlayLogExcelWriter.AutoFlush = true;
GooglePlayLogHumanWriter.AutoFlush = true;
GooglePlayFoundURLsWriter.AutoFlush = true;
GooglePlayPassedSearchWordsWriter.AutoFlush = true;
if (foundURLs)
{
await crawler.LoadURLmap(GooglePlayFoundURLsReader);
}
if (foundPassedSearchWords)
{
Tuple <int, int, int, int> counts = await crawler.SkipPassedSearchWords(GooglePlayPassedSearchWordsReader); //And also loads counts
GooglePlaySearchWordsCount = counts.Item1;
GooglePlayDownloadedCount = counts.Item2;
GooglePlayAnalyzedCount = counts.Item3;
GooglePlayErrorsCount = counts.Item4;
}
}