public TickerResponse Tick(TickerRequest tickRequest)
{
TickerResponse response = new TickerResponse();
var validationResult = Validation.Validate<TickerRequest>(tickRequest);
try
{
Traveler traveler = _repository.FindBy<Traveler>(t => t.TravelerID == _currentTravelerId);
if (validationResult.IsValid)
{
LocationService locationSvc = new LocationService(_locationDeterminator, _repository, _geoCoder);
locationSvc.UpdateTravelerCoordinates(traveler, tickRequest.IPAddress);
response.City = traveler.City;
response.Country = traveler.Country;
response.Latitude = traveler.Latitude;
response.Longtitude = traveler.Longtitude;
}
response.NewMessagesCount = traveler.Messages.Count(m => m.IsRead == false && m.FolderID == (int)FolderType.Inbox);
response.MarkSuccess();
}
catch (Exception ex)
{
ReportError(ex, response);
}
return response;
}
public SearchResponse Search(bool includeOfflineTravelers, int index, int count, string ipAddress = null, double lat = 0, double lon = 0)
{
SearchResponse response = new SearchResponse();
LocationService locSvc = new LocationService(_locationDeterminator, _repository, _geoCoder);
APIKeyService apiKeySvc = new APIKeyService(_repository, _apiKeyGen);
//TODO: split up method to separate methods
try
{
Traveler currentTraveler = _repository.FindBy<Traveler>(t => t.TravelerID == _currentTravelerId);
if (!String.IsNullOrEmpty(ipAddress) || (lat != 0 && lon != 0))
{
//This part is optional. It will happen only if the client will explicitly the location, either by IP address or coordinates
//otherwise the IP address of the client who made the request will be used to determine the location
GeoCoordinates coords = new GeoCoordinates { Latitude = lat, Longtitude = lon };
if (!String.IsNullOrEmpty(ipAddress))
{
locSvc.UpdateTravelerCoordinates(currentTraveler, ipAddress);
}
else if (currentTraveler.IsLocationChanged(coords))
{
currentTraveler.Latitude = coords.Latitude;
currentTraveler.Longtitude = coords.Longtitude;
//TODO: obtain city and country by given coords otherwise coords.City and coords.Country are always null
currentTraveler.City = coords.City;
currentTraveler.Country = coords.Country;
}
}
else
{
//Normally this will happen
locSvc.UpdateTravelerCoordinates(currentTraveler, APIKeyService.CurrentTravelerIPAddress);
}
//Updating traveler's location
_repository.Save<Traveler>(currentTraveler);
_repository.Commit();
//All online travelers in the system
IEnumerable<Guid> allOnlineTravelersFromCache = apiKeySvc.GetCurrentlyActiveTravelers();
//Raw results of travelers around - including offline users
PagedList<Traveler> travelersAroundRawResults = locSvc.GetListOfTravelersWithin(RADIUS, index, count, currentTraveler);
if (!includeOfflineTravelers)
{
//Gets only travelers around who are online at this moment out of the 10 rows from the DB
var onlineTravelersAround = travelersAroundRawResults.Entities.Where(t => allOnlineTravelersFromCache.Contains(t.TravelerID));
//if we have another page from the DB (10 more travelers) and the maximum rows for the page hasn't been reached then loop until
//all the rows for the page are full or until the last page has reached
while (travelersAroundRawResults.HasNext && onlineTravelersAround.Count() < count)
{
index = index + count; //index for the next page
//get next page from the DB
travelersAroundRawResults = locSvc.GetListOfTravelersWithin(RADIUS, index, count, currentTraveler);
//take only as many as needed to fill up the page
var onlineTravelersFromNextPage = travelersAroundRawResults.Entities.Where(t => allOnlineTravelersFromCache.Contains(t.TravelerID)).Take(count - onlineTravelersAround.Count());
//pile up the results
onlineTravelersAround = onlineTravelersAround.Concat(onlineTravelersFromNextPage);
}
travelersAroundRawResults = onlineTravelersAround.ToPagedList(index, count);
}
//Marks which travelers are online
for (int i = 0; i < travelersAroundRawResults.Entities.Count; i++)
{
if (allOnlineTravelersFromCache.Contains(travelersAroundRawResults.Entities[i].TravelerID))
{
travelersAroundRawResults.Entities[i].IsOnline = true;
}
}
//Converts to the suitable data contract for serialization
response.Travelers = travelersAroundRawResults.ConvertToTravelerViewList();
response.MarkSuccess();
}
catch (Exception ex)
{
ReportError(ex, response);
}
return response;
}
