public async Task <ActionResult <string> > Get(string cityName)
{
//TEST cagrisi..
//await _notificationDispatcher.BroadCastMessage(cityName + " from server");
try
{
string tempMessage = "";
WeatherRecord dtoWeather = new WeatherRecord();
string memCacheKey = cityName.Trim().ToLower();
var cacheExpOptions = new MemoryCacheEntryOptions
{
AbsoluteExpiration = DateTime.Now.AddMinutes(60), //60dk cachete tut
Size = 50
};
// 1.KONTROL: Cache e bak
if (!_memoryCache.TryGetValue(memCacheKey, out WeatherRecord cachedWeatherRecord)) //cachte kayit yok ise
{
var dbRecord = await _weatherRepository.GetWeatherData(cityName);
//step-1: Database e bak.
if (dbRecord == null)
{
var locationIQClient = _httpClientFactory.CreateClient("LocationIQClient"); //Get latitude longitude data
var darkSkyClient = _httpClientFactory.CreateClient("DarkSkyClient"); // Get temperature date
var lat = "";
var lon = "";
List <WeatherObject> resultLocationIQClient = null;
DarkSkyObject resultDarkSkyClient = null;
//Step-2: Lokasyon bazli lat ve lon bilgisini getir :
HttpResponseMessage responseLocationIQ = locationIQClient.GetAsync("/v1/search.php?key=a1779b7817b3b2&q=" + cityName + "&format=json").Result; // + @"&q=ankara&format=json";
if (responseLocationIQ.IsSuccessStatusCode)
{
resultLocationIQClient = await responseLocationIQ.Content.ReadAsAsync <List <WeatherObject> >();
lat = resultLocationIQClient[0].lat;
lon = resultLocationIQClient[0].lon;
}
else
{
return("HATA: " + cityName + " icin LocationIQ verisi mevcut degil !");
}
//Step-3:LocationIQ den gelen lat,lon bilgisi ile DarkSky bilgilerini al :
HttpResponseMessage responseDarkSky = darkSkyClient.GetAsync("/forecast/f3146e0fc78b4930d41a60703c08e2ae/" + lat + "," + lon).Result; // + @"&q=ankara&format=json";
if (responseDarkSky.IsSuccessStatusCode)
{
dtoWeather.wrLocation = cityName;
resultDarkSkyClient = await responseDarkSky.Content.ReadAsAsync <DarkSkyObject>();
//Bugune ait min/max verisi
dtoWeather.wrDailyMinValue = resultDarkSkyClient.daily.data[0].apparentTemperatureMin;
dtoWeather.wrDailyMaxValue = resultDarkSkyClient.daily.data[0].apparentTemperatureMax;
//7 gunluk veri icinden min/max elde et
decimal[] tempWeeklyMinValList = new decimal[7];
decimal[] tempWeeklyMaxValList = new decimal[7];
for (int i = 0; i < 7; i++)
{
tempWeeklyMinValList[i] = resultDarkSkyClient.daily.data[i].apparentTemperatureMin;
tempWeeklyMaxValList[i] = resultDarkSkyClient.daily.data[i].apparentTemperatureMax;
}
dtoWeather.wrMinWeaklyValue = tempWeeklyMinValList.Min();
dtoWeather.wrMaxWeaklyValue = tempWeeklyMaxValList.Max();
}
else
{
return("HATA: " + cityName + " icin DarySky verisi mevcut degil !");
}
//DB Insert
var result = await _weatherRepository.AddWeatherData(dtoWeather);
if (result == false)
{
return("ERROR at INSERT !");
}
tempMessage = "Record From API";
}
else // Kayit DB de mevcut ise bunu kullan..
{
dtoWeather = dbRecord;
tempMessage = "Record From Database";
}
//Yeni bir sorgu icin veriyi Cache e ekle ve tum Client lara duyur.
_memoryCache.Set(memCacheKey, dtoWeather, cacheExpOptions); // 60 min dogru eklediyor mu ?
await _notificationDispatcher.BroadCastMessage(
"Yeni Sorgu --------------------\n"
+ "Lokasyon: " + dtoWeather.wrLocation.ToUpper() + "\n"
+ "Gunluk -> Max:" + dtoWeather.wrDailyMaxValue + ", Min:" + dtoWeather.wrDailyMinValue + "\n"
+ "Haftalık -> Max:" + dtoWeather.wrMaxWeaklyValue + ", Min:" + dtoWeather.wrMinWeaklyValue + "\n"
+ "--------------------------------- \n"
);
}
else // Kayit Cache de mevcut ise bunu kullan..
{
dtoWeather = cachedWeatherRecord;
tempMessage = "Record From Cache";
}
return(tempMessage + "-> " + cityName + " DailyMinTemp:" + dtoWeather.wrDailyMinValue + " DailyMaxTemp:" + dtoWeather.wrDailyMaxValue);
}
catch (Exception ex)
{
return("ERROR at Try(GetWeatherData): " + ex.Message);
}
}
