//public Dictionary<string, string> GetNearest(float lat, float lon)
public List<Location> GetNearest(float lat, float lon)
{
XmlDocument doc = new XmlDocument();
doc.Load(HttpContext.Current.ApplicationInstance.Server.MapPath("~/App_Data") + "/bilpooler.xml");
//XmlNodeList nodeList;
XmlNode root = doc.DocumentElement;
double maxDistance = 0.0f;
string name = "";
var loc = new Location();
foreach(XmlNode pool in root.ChildNodes)
{
var poolList = pool.Cast<XmlNode>().ToList();
var poolName = poolList.Where(x => x.Name == "name").Single().InnerText;
var poolLat = Convert.ToDouble(poolList.Where(x => x.Name == "lat").Single().Value);
var poolLon = Convert.ToDouble(poolList.Where(x => x.Name == "lon").Single().Value);
loc.Lat = poolLat.ToString();
loc.Long = poolLon.ToString();
double R = 6371;
double dLat = (Math.PI / 180) * (poolLat - lat);
double dLon = (Math.PI / 180) * (poolLon - lon);
double a = Math.Sin(dLat / 2) * Math.Sin(dLat / 2) + Math.Cos( (Math.PI / 180) * (poolLat)) *Math.Cos( (Math.PI / 180) * (lat)) * Math.Sin(dLon / 2) * Math.Sin(dLon / 2);
double c = 2 * Math.Asin(Math.Min(1, Math.Sqrt(a)));
double d = Math.Abs(R * c);
if (d > maxDistance) {
maxDistance = d;
name = poolName;
}
}
/*Dictionary<string,string> dict = new Dictionary<string,string>();
dict.Add("distance", maxDistance.ToString());
dict.Add("name", name);*/
loc.Name = name;
loc.Distance = maxDistance.ToString();
var list = new List<Location>();
list.Add(loc);
return list;
}
/// <summary>
/// call function GetGBGLocationToCoord in this class to get identifier and coordinates
/// gives function a static time for the time being, reconsider changing
/// </summary>
/// <param name="url"></param>
/// <param name="key"></param>
/// <param name="from"></param>
/// <param name="to"></param>
/// <returns></returns>
public string GetGBGTrip(string url, string key, Location from, Location to)
{
var newUrl = string.Format(url
, key
, DateTime.Now.AddDays(1).ToShortDateString()
, "10:30"
, from.Identifier
, from.Lat
, from.Long
, to.Identifier
, to.Lat
, to.Long
);
var res = Helper.CreateHttpGet(newUrl, Helper.ContentType.Json);
return "";
}