/// <summary>
/// clean up after thread has completed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
MainVM.AppendStatusLog("===== thread completed =====");
isSearching = false;
//LaVie.MusicBox.PlayNote(MusicBox.Notes.F4, 200);
//LaVie.MusicBox.PlayNote(MusicBox.Notes.C4, 200);
}
private String getCookiesFromRequest(string url, string postString, string method = "POST")
{
String result = "";
byte[] postBytes = Encoding.ASCII.GetBytes(postString);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = method;
request.Referer = SearchParameters.rootUrl + SearchParameters.siteUrl;
//request.Headers.Add("X-Requested-With", "XMLHttpRequest");
request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)";
request.CookieContainer = cookieJar;
if (method == "POST")
{
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postBytes.Length;
request.Headers.Add("Pragma", "no-cache");
Stream postStream = request.GetRequestStream();
postStream.Write(postBytes, 0, postBytes.Length);
postStream.Close();
}
try
{
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("debug: starting http request");
}
HttpWebResponse webResponse = (HttpWebResponse)request.GetResponse();
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog(string.Format("debug: code: {0}; status: {1}", webResponse.StatusCode, webResponse.StatusDescription));
}
Stream responseStream = webResponse.GetResponseStream();
StreamReader responseStreamReader = new StreamReader(responseStream);
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("debug: reading stream from response object");
}
result = responseStreamReader.ReadToEnd();
if (result.Contains("systemErrorMessageTitle"))
{
throw new Exception(HtmlHelper.getTagContents(result, "systemErrorMessageTitle", "h4", "id"));
}
foreach (Cookie item in webResponse.Cookies)
{
cookieJar.Add(item);
}
responseStream.Close();
webResponse.Close();
}
catch (Exception ex)
{
MainVM.AppendStatusLog(string.Format("Error: {0}", ex.Message));
result = "error";
}
return(result);
}
private void ReinitData_Click(object sender, RoutedEventArgs e)
{
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += new DoWorkEventHandler(InitializeData);
bw.RunWorkerCompleted += worker_RunWorkerCompleted;
bw.WorkerSupportsCancellation = true;
MainVM.AppendStatusLog("please wait, retrieving dates...");
bw.RunWorkerAsync();
}
/// <summary>
/// gets options from dining site and uses this information to create the option lists
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void InitializeData(object sender, DoWorkEventArgs e)
{
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("getting initial info");
}
//get cookie jar
CookieContainer cookieJar = getNewCookieCollection();
string result = getOptionsFromSite();
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog(string.Format("result size: {0}", result.Length));
}
if (result.Contains("partySize"))
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(DineRestaurants));
string timesList = HtmlHelper.getTagContents(result, "diningAvailabilityForm-searchTime", "select", "id");
MainVM.TimesList = HtmlHelper.ConvertOptionToObject(timesList);
string partySizes = HtmlHelper.getTagContents(result, "partySize", "select", "id");
MainVM.PartySizes = HtmlHelper.ConvertOptionToObject(partySizes);
string restaurants = getRestaurantListFromSite();
if (restaurants != "error")
{
MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(restaurants));
DineRestaurants restaurantsObject = ser.ReadObject(ms) as DineRestaurants;
MainVM.Restaurants = new ObservableCollection <DineOption>
(from rest in restaurantsObject.restaurants
orderby rest.name
select rest);
MainVM.LoadingMessage = "";
MainVM.LoadingMessageVisibility = System.Windows.Visibility.Hidden;
}
else
{
MainVM.LoadingMessage = "Error";
MainVM.AppendStatusLog("Error: could not retrieve date and restaurant info");
}
}
else
{
MainVM.LoadingMessage = "Error";
MainVM.AppendStatusLog("Error: could not retrieve date and restaurant info");
}
}
/// <summary>
/// Constructor
/// </summary>
public MainWindow()
{
InitializeComponent();
MainVM.Initialize();
worker.DoWork += new DoWorkEventHandler(LaunchSearch);
worker.RunWorkerCompleted += worker_RunWorkerCompleted;
worker.WorkerSupportsCancellation = true;
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += new DoWorkEventHandler(InitializeData);
bw.RunWorkerCompleted += worker_RunWorkerCompleted;
bw.WorkerSupportsCancellation = true;
MainVM.AppendStatusLog("please wait, retrieving dates...");
bw.RunWorkerAsync();
}
/// <summary>
/// actual search event, handles calls to other functions
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LaunchSearchInstance(object sender, DoWorkEventArgs e)
{
DateTime startTime = DateTime.Now;
Dictionary <string, int> notes = new Dictionary <string, int>();
MainVM.AppendStatusLog(new string('*', 25));
MainVM.AppendStatusLog("Initializing...");
//LaVie.MusicBox.StartUpSong();
//string convoId = "";
MainVM.AppendStatusLog("creating cookie jar");
MainVM.AppendStatusLog("first request, to get cookies and initial info");
string result = getCookiesFromRequest(SearchParameters.rootUrl + SearchParameters.siteUrl, "", "GET");
string pep_csrf = "";
Match match = Regex.Match(result, "<input[^>]*name=['\"]pep_csrf['\"][^>]*value=['\"]([^'\"]*)['\"]*[^>]>", RegexOptions.Singleline & RegexOptions.IgnoreCase);
pep_csrf = match.Groups[1].ToString();
MainVM.AppendStatusLog("conducting search");
foreach (string searchDate in
(
from d in MainVM.DatesList
where d.toSearch == true &&
DateTime.Compare(d.date, DateTime.Now) >= 0 //only search dates in the future
//select d.date.ToString("MM'/'dd'/'yyyy")
select d.date.ToString("yyyy-MM-dd") //updating to match new date format
))
{
MainVM.AppendStatusLog(string.Format("searching on {0}...", searchDate));
ConductSearch(searchDate, pep_csrf);
//performSearch(SearchType.TableService);
if (worker.CancellationPending)
{
return;
}
}
MainVM.AppendStatusLog("finished searching");
}
/// <summary>
/// engine for searching, executed as a new thread
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LaunchSearch(object sender, DoWorkEventArgs e)
{
isSearching = true;
if (!MainVM.RepeatSearch)
{
MainVM.AvailableLog = "";
MainVM.NotAvailableLog = "";
LaunchSearchInstance(sender, e);
}
else
{
while (!worker.CancellationPending)
{
MainVM.AvailabilityLogToSend = "";
MainVM.AppendAvailableLog("--new search--");
MainVM.AppendNotAvailableLog("--new search--");
LaunchSearchInstance(sender, e);
if (MainVM.SendEmail && MainVM.AvailabilityLogToSend.Length > 0)
{
EmailHelper.SendEmail(MainVM.EmailLogin, EmailPassword.Password, MainVM.AvailabilityLogToSend);
MainVM.AppendStatusLog("email sent");
}
for (int i = 0; i < MainVM.RepeatSearchAmount && !worker.CancellationPending; i++)
{
MainVM.AppendStatusLog(string.Format("pausing before next search... {0} mins",
MainVM.RepeatSearchAmount - i));
for (int j = 0; j < 60 && !worker.CancellationPending; j++)
{
System.Threading.Thread.Sleep(1000);
}
}
}
}
}
/// <summary>
/// generic function for GET requests
/// </summary>
/// <param name="URL">URL to get</param>
/// <returns>String of the response</returns>
private String GetRequest(String URL, bool ticketRequest = false)
{
String result = "";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);
request.Referer = SearchParameters.rootUrl + SearchParameters.siteUrl;
request.Method = "GET";
request.Headers.Add("X-Requested-With", "XMLHttpRequest");
request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)";
request.CookieContainer = cookieJar;
if (!ticketRequest)
{
//adding in authticket - maybe this is needed for the api calls again?
AuthTicket ticket = new AuthTicket();
try
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(AuthTicket));
string authResult = GetRequest(SearchParameters.rootUrl + SearchParameters.authServerUrl, true);
MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(authResult));
ticket = ser.ReadObject(ms) as AuthTicket;
}
catch (Exception ex)
{
MainVM.AppendStatusLog(string.Format("Error: {0}", ex.Message));
result = "error";
}
//toss the auth ticket into the mix
request.Headers.Add(HttpRequestHeader.Authorization.ToString(), String.Format("BEARER {0}", ticket.accessToken));
}
try
{
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("debug: starting http request");
}
HttpWebResponse webResponse = (HttpWebResponse)request.GetResponse();
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog(string.Format("debug: code: {0}; status: {1}", webResponse.StatusCode, webResponse.StatusDescription));
}
Stream responseStream = webResponse.GetResponseStream();
StreamReader responseStreamReader = new StreamReader(responseStream);
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("debug: reading stream from response object");
}
result = responseStreamReader.ReadToEnd();
if (result.Contains("systemErrorMessageTitle"))
{
throw new Exception(HtmlHelper.getTagContents(result, "systemErrorMessageTitle", "h4", "id"));
}
responseStream.Close();
webResponse.Close();
}
catch (Exception ex)
{
MainVM.AppendStatusLog(string.Format("Error: {0}", ex.Message));
result = "error";
}
return(result);
}
/// <summary>
/// Creates a new Cookie Collection from site
/// </summary>
/// <returns>New Cookie Collection from site</returns>
private CookieContainer getNewCookieCollection()
{
CookieContainer cookieJar = new CookieContainer();
cookieJar = new CookieContainer();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(SearchParameters.rootUrl + SearchParameters.siteUrl);
request.Method = "GET";
request.Headers.Add("X-Requested-With", "XMLHttpRequest");
request.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)";
request.CookieContainer = cookieJar;
try
{
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("debug: starting http request");
}
HttpWebResponse webResponse = (HttpWebResponse)request.GetResponse();
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog(string.Format("debug: code: {0}; status: {1}", webResponse.StatusCode, webResponse.StatusDescription));
}
Stream responseStream = webResponse.GetResponseStream();
StreamReader responseStreamReader = new StreamReader(responseStream);
if (MainVM.VerboseLogging)
{
MainVM.AppendStatusLog("debug: reading in response");
}
String result = responseStreamReader.ReadToEnd();
if (result.Contains("systemErrorMessageTitle"))
{
throw new Exception(HtmlHelper.getTagContents(result, "systemErrorMessageTitle", "h4", "id"));
}
if (MainVM.VerboseLogging)
{
MainVM.StatusLog += "debug: adding cookies";
}
foreach (Cookie item in webResponse.Cookies)
{
if (MainVM.VerboseLogging)
{
MainVM.StatusLog += ".";
}
cookieJar.Add(item);
}
if (MainVM.VerboseLogging)
{
MainVM.StatusLog += "\n";
}
responseStream.Close();
webResponse.Close();
}
catch (Exception ex)
{
MainVM.AppendStatusLog(string.Format("Error: {0}", ex.Message));
}
return(cookieJar);
}
private void ConductSearch(string targetDate, string pep_csrf)
{
string postString = string.Format("&searchDate={1}" +
"&skipPricing=true" +
"&searchTime={2}" +
"&partySize={3}" +
"&id={0}%3BentityType%3Drestaurant" +
"&type=dining" +
"&pep_csrf={4}",
System.Web.HttpUtility.UrlEncode(MainVM.CurrentRestaurant.id),
System.Web.HttpUtility.UrlEncode(targetDate),
System.Web.HttpUtility.UrlEncode(MainVM.CurrentTime.id),
System.Web.HttpUtility.UrlEncode(MainVM.CurrentPartySize.id),
pep_csrf);
MainVM.AppendStatusLog("getting results page");
string result = getCookiesFromRequest(SearchParameters.rootUrl + SearchParameters.diningSearchUrl, postString, "POST");
MainVM.AppendStatusLog(new string('-', 25));
//NOTE - the style of the link will have "selected" if it's a direct hit; we're not going
// to try to get that to work right now - for now we're just going to return results
//string r = "";
//r = HtmlHelper.getTagContents(result, "SearchFailMessage", "div", "id").Trim();
//if (r.Length > 0) MainVM.AppendStatusLog(r);
//r = HtmlHelper.getTagContents(result, "reserveFormLabel", "label", "class").Trim();
//if (r.Length > 0) MainVM.AppendStatusLog(string.Format("Available Times: {0}", r));
List <string> b = ParseAltTimes(result);
if (b.Count() > 0)
{
MainVM.AppendStatusLog(string.Format(/*"Alt Times found: {0}"*/ "Available Times: {0}", string.Join(", ", b)));
}
MainVM.AppendStatusLog(new string('-', 25));
if (result.Contains("data-hasavailability=\"\""))
{
MainVM.AppendStatusLog("no times found");
MainVM.AppendNotAvailableLog(string.Format("{0}", System.Web.HttpUtility.UrlDecode(targetDate)));
}
else
{
//LaVie.MusicBox.PlayNote(LaVie.MusicBox.Notes.A4, 500);
bool firstResult = true;
if (b.Count > 0 /* && r.Length > 0*/)
{
if (firstResult)
{
MainVM.AppendStatusLog("***** possible success *****");
MainVM.AppendAvailableLog(string.Format("{0}", System.Web.HttpUtility.UrlDecode(targetDate)));
MainVM.AppendAvailabilityLogToSend(string.Format("{0}", System.Web.HttpUtility.UrlDecode(targetDate)));
firstResult = false;
}
//b.Add(r);
foreach (string time in
(from a in b.Distinct()
orderby DateTime.Parse(a) ascending
select a))
{
MainVM.AppendAvailableLog(string.Format("- {0}", time));
MainVM.AppendAvailabilityLogToSend(string.Format("- {0}", time));
}
}
else
{
MainVM.AppendStatusLog("unable to determine availability");
MainVM.AppendNotAvailableLog(string.Format("{0}", System.Web.HttpUtility.UrlDecode(targetDate)));
MainVM.AppendNotAvailableLog(string.Format("- error?"));
}
}
}
