public List <Teacher> SearchInRadius(List <Teacher> teachers, MapSearchViewModel model, string distance)
{
List <Teacher> searchList = teachers.ToList();
foreach (var t in searchList)
{
double lat = System.Math.Pow(System.Convert.ToSingle(t.GeoLocation.Latitude) - System.Convert.ToSingle(model.MapCenter.Latitude), 2);
double lng = System.Math.Pow(System.Convert.ToSingle(t.GeoLocation.Longitude) - System.Convert.ToSingle(model.MapCenter.Longitude), 2);
double teacherDistance = System.Math.Sqrt(lat + lng) % 33;
if ((teacherDistance) * 100 > System.Convert.ToSingle(distance))
{
teachers.Remove(t);
}
}
return(teachers);
}
//
// GET: /Map/city/streetName/streetNum/distance/category/
public ActionResult Map(string city, string streetName, string streetNum, string distance, string category)
{
//create and set model
var model = new MapSearchViewModel();
//get user location
string adr = city + "," + streetName + " " + streetNum;
GeoLocation userGeo = null;
if (!string.IsNullOrEmpty(city))
{
userGeo = GetLongitudeAndLatitude(adr);
}
// user location resolved set map settings
if (userGeo != null)
{
model.MapCenter = userGeo;
model.MapZoom = 12;
}
else
{
model.MapCenter = GetLongitudeAndLatitude("");
model.MapZoom = 8;
}
string searchFor = !string.IsNullOrEmpty(category) ? " ב" + category : string.Empty;
searchFor = !string.IsNullOrEmpty(city) ? searchFor + " באזור " + city : searchFor;
model.SearchFor = searchFor;
List <Teacher> teachers;
// search for teachers
if (!string.IsNullOrEmpty(city) && !string.IsNullOrEmpty(category))
{
teachers = Db.Teachers.Where(t => t.isActive && t.City.Contains(city) && t.SubjectsToTeach.FirstOrDefault(s => s.Name.Contains(category)) != null).ToList();
}
else if (!string.IsNullOrEmpty(city))
{
teachers = Db.Teachers.Where(t => t.City.Contains(city)).ToList();
}
else if (!string.IsNullOrEmpty(category))
{
teachers = Db.Teachers.Where(t => t.isActive && t.SubjectsToTeach.FirstOrDefault(s => s.Name.Contains(category)) != null).ToList();
}
else
{
teachers = new List <Teacher>();
}
// check if geo exist and get if not
foreach (var t in teachers)
{
if (!t.GeoLocation.isExist())
{
// get geo by address
var geo = GetLongitudeAndLatitude(t.GetAddressForMap());
t.UpdateGeoLocation(geo);
Db.SaveChanges();
}
}
// data
if (!string.IsNullOrEmpty(distance))
{
model.Teachers = SearchInRadius(teachers, model, distance);
}
else
{
model.Teachers = teachers;
}
model.ResultCount = model.Teachers.Count;
// pass model to view
return(View(model));
}
private List <Teacher> radius(List <Teacher> teachers, MapSearchViewModel model, string distance)
{
return(Controller.SearchInRadius(teachers, model, distance));
}
