public async Task <IActionResult> GetStations(CombustibleType type, int region = 0, int comuna = 0, string distributor = "")
{
try
{
var result = await GetStationsWithCache(type, Request);
if (result == null)
{
return(new NotFoundResult());
}
var filteredResult = result.Where(r => (region == 0 || (r.id_region != null && r.id_region.ToString() == region.ToString().PadLeft(2, '0'))) &&
(comuna == 0 || (r.id_comuna != null && r.id_comuna.ToString() == comuna.ToString().PadLeft(2, '0'))) &&
(distributor == string.Empty || (r.distribuidor != null && r.distribuidor.nombre != null && r.distribuidor.nombre == distributor))
);
//add distance
var lat = Request.Query["lat"].ToString();
var lng = Request.Query["lng"].ToString();
if (lat != string.Empty && lng != string.Empty)
{
AddDistance(filteredResult, double.Parse(lat), double.Parse(lng));
}
//filter before add ranking
filteredResult = Filters.BaseResultFilter.FilterResult(filteredResult, HttpContext.Request);
//add prices ranking
AddRanking(filteredResult);
return(new OkObjectResult(filteredResult));
}
catch (WebException wex)
{
return(HandleWebException(wex));
}
catch (Exception ex)
{
return(HandleException(ex));
}
}
private static async Task <List <Models.CombustibleStation> > GetStationsWithCache(CombustibleType type, HttpRequest context)
{
const string name = "estaciones";
var typeName = Enum.GetName(typeof(CombustibleType), type) + "/" + name;
var data = memStore.SingleOrDefault(s => s.Key == typeName);
if (data.Value == null || data.Value.Item1 < DateTime.Now) //check expiration
{
var tempUrl = string.Format(url, Enum.GetName(typeof(CombustibleType), type).ToLower(), name);
using (var result = await Helpers.Net.GetResponse(tempUrl))
{
if (result.IsSuccessStatusCode)
{
var newData = JsonConvert.DeserializeObject <JObject>(await result.Content.ReadAsStringAsync(), Startup.jsonSettings);
var stations = JsonConvert.DeserializeObject <List <Models.CombustibleStation> >(newData["data"].ToString(), Startup.jsonSettings);
// filter stations
var filteredStations = stations.Where(s => s.fecha_hora_actualizacion != null && DateTime.Parse(s.fecha_hora_actualizacion) > DateTime.Now.AddMonths(skipDataBeforeInMonths * -1))
.ToList();
//replace broken links with default image and remove schema to avoid mixed content warnings
await RemoveBrokenLinks(filteredStations, "//api.cne.cl/brands/sin%20bandera-horizontal.svg", "http:");
SaveResultsInMongoDB(filteredStations);
var newValue = new Tuple <DateTime, List <Models.CombustibleStation> >(DateTime.Now.AddHours(cacheDurationInHours), filteredStations);
if (data.Value == null)
{
memStore.Add(typeName, newValue);
}
else
{
memStore[typeName] = newValue;
}
return(newValue.Item2);
}
}
}
else
{
context.HttpContext.Response.Headers.Add("Cache-Expiration", data.Value.Item1.ToString());
return(data.Value.Item2);
}
return(null);
}