public async Task <IActionResult> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = null)] HttpRequest req, ILogger log)
{
double lat = double.Parse(req.Query["lat"]);
double lng = double.Parse(req.Query["lng"]);
var origin = new GeoCoordinate(lat, lng);
var jump = 0.0025;
// +1,-1 +1,0 +1,+1
// 0,-1 oo 0,+1
// -1,-1 -1,0 -1,+1
var surroundingArea = new List <GeoCoordinate>
{
new GeoCoordinate(origin.Latitude + jump, origin.Longitude - jump),
new GeoCoordinate(origin.Latitude + jump, origin.Longitude),
new GeoCoordinate(origin.Latitude + jump, origin.Longitude + jump),
new GeoCoordinate(origin.Latitude, origin.Longitude - jump),
origin,
new GeoCoordinate(origin.Latitude, origin.Longitude + jump),
new GeoCoordinate(origin.Latitude - jump, origin.Longitude - jump),
new GeoCoordinate(origin.Latitude - jump, origin.Longitude),
new GeoCoordinate(origin.Latitude - jump, origin.Longitude + jump)
};
List <NearByResult> results = new List <NearByResult>();
try
{
foreach (GeoCoordinate pos in surroundingArea)
{
List <NearByResult> places = await GetNearByPlaces(pos.Latitude, pos.Longitude);
foreach (NearByResult place in places)
{
if (!results.Any(x => x.PlaceId == place.PlaceId))
{
results.Add(place);
}
}
}
foreach (NearByResult nearByResult in results)
{
GooglePlacesPto googlePlacesPto = Context.GooglePlaces.Find(nearByResult.PlaceId);
if (googlePlacesPto != null)
{
// update
log.LogInformation($"Updating Google Places {googlePlacesPto.Id}");
nearByResult.Adapt(googlePlacesPto);
googlePlacesPto.Updated = DateTime.Now;
Context.GooglePlaces.Update(googlePlacesPto);
}
else
{
// insert
log.LogInformation($"Inserting new Google Places {nearByResult.PlaceId}");
googlePlacesPto = new GooglePlacesPto();
nearByResult.Adapt(googlePlacesPto);
googlePlacesPto.Updated = DateTime.Now;
PlacePto placePto = FindExistingPlace(log, lat, lng, googlePlacesPto.Name);
if (placePto == null)
{
placePto = new PlacePto
{
Location = new Point(googlePlacesPto.Longitude, googlePlacesPto.Latitude)
{
SRID = 4326
},
Name = googlePlacesPto.Name,
GooglePlaces = googlePlacesPto
};
Context.Places.Add(placePto);
}
googlePlacesPto.Place = placePto;
Context.GooglePlaces.Add(googlePlacesPto);
}
Context.SaveChanges();
await RemoveCachedPlace(log, googlePlacesPto.PlaceId.ToString());
}
Context.SaveChanges();
}
catch (Exception ex)
{
throw;
}
return(new OkResult());
}