protected void Page_Load(object sender, EventArgs e)
{
Main main = (Main)Page.Master;
ControlGenerator.AddAttributesAndPreserveExisting(main.Body, "onload", "initMap();");
if (this.Request.Cookies["ddlContributors"] != null) institutionCode = this.Request.Cookies["ddlContributors"].Value;
if (this.Request.Cookies["ddlLanguage"] != null) languageCode = this.Request.Cookies["ddlLanguage"].Value;
string key = ConfigurationManager.AppSettings["Google.Maps.Key." + Request.ServerVariables["HTTP_HOST"]];
//mapsScriptTag.Text = "<script src=\"http://maps.google.com/maps?file=api&v=2&key=" + key + "\" type=\"text/javascript\"></script>";
mapsScriptTag.Text = "<script src=\"" + ConfigurationManager.AppSettings["Google.Maps.ScriptUrlPrefix"] + key + "\" type=\"text/javascript\"></script>";
string geocodeUrlPrefix = "http://maps.google.com/maps/geo?output=csv&key=" + key + "&q=";
BHLProvider provider = new BHLProvider();
//first get the list of TitleTags that do not yet exist in the location table
CustomGenericList<CustomDataRow> newLocationList = provider.TitleTagSelectNewLocations();
foreach (CustomDataRow row in newLocationList)
{
//do the geocode lookups for our new locations
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(geocodeUrlPrefix + row["TagText"].Value.ToString());
req.Timeout = 15000;
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
StreamReader reader = new StreamReader((System.IO.Stream)resp.GetResponseStream());
string results = reader.ReadLine();
string[] resultsArray = results.Split(',');
//save the results to the Location table
if (resultsArray[0] == "200")
{
//if we got a valid response, save the coordinates
provider.LocationInsertAuto(row["TagText"].Value.ToString(), resultsArray[2], resultsArray[3], null, true);
}
else
{
//if we did not get a valid response, save a location record with null coordinates and set the NextAttemptDate to 30 days out
provider.LocationInsertAuto(row["TagText"].Value.ToString(), null, null, DateTime.Now.AddDays(30), true);
}
}
//next, get the list of Locations that were not successful in the past that are due for another attempt
CustomGenericList<Location> invalidLocationList = provider.LocationSelectAllInvalid();
foreach (Location location in invalidLocationList)
{
//if the NextAttemptDate indicates that we're due to try again, do a new geocode lookup for this location
if (location.NextAttemptDate != null && location.NextAttemptDate < DateTime.Now)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(geocodeUrlPrefix + location.LocationName);
req.Timeout = 15000;
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
StreamReader reader = new StreamReader((System.IO.Stream)resp.GetResponseStream());
string results = reader.ReadLine();
string[] resultsArray = results.Split(',');
//save the results to the Location table
if (resultsArray[0] == "200")
{
//if we got a valid response, save the coordinates and wipe out the NextAttemptDate
provider.LocationUpdateAuto(location.LocationName, resultsArray[2], resultsArray[3], null, location.IncludeInUI);
}
else
{
//if we still did not get a valid response, increment the NextAttemptDate by another 30 days
provider.LocationUpdateAuto(location.LocationName, null, null, DateTime.Now.AddDays(30), location.IncludeInUI);
}
}
}
//now get the updated list of coordinates to set the markers on the map
CustomGenericList<Location> validLocationList = provider.LocationSelectValidByInstitution(institutionCode, languageCode);
foreach (Location location in validLocationList)
locations += location.Latitude + "," + location.Longitude + "," + location.LocationName + "," + location.NumberOfTitles.ToString() + ";";
//strip the trailing ";"
if (locations.EndsWith(";"))
locations = locations.Substring(0, locations.Length - 1);
}