private async Task <string> GetDataFromApiEndpoint(CityInfoRequest cityInfoRequest)
{
var client = new HttpClient();
var requestUri = _openWeatherSettings.Value.GetUriString(cityInfoRequest);
var httpResponse = await client.GetAsync(requestUri);
return(await httpResponse.Content.ReadAsStringAsync());
}
public async Task <string> GetCityInfo(CityInfoRequest cityInfoRequest)
{
var dbCityInfo = _context.CityInfos.Where(c => c.ZipCode == cityInfoRequest.ZipCode).FirstOrDefault();
if (dbCityInfo == null || DateTime.UtcNow - dbCityInfo.UpdatedAt > new TimeSpan(0, 0, 10))
{
var temperatureApiResponse = await _cityTemperatureApiQuery.GetDataForCity(cityInfoRequest);
var timezoneApiResponse = await _timezoneApiQuery.GetDataForCity(temperatureApiResponse);
dbCityInfo = new Fest.Core.Models.CityInfo {
Id = dbCityInfo == null ? dbCityInfo.Id : null,
Temperature = temperatureApiResponse.Temperature,
CityName = temperatureApiResponse.CityName,
ZipCode = cityInfoRequest.ZipCode,
TimezoneName = timezoneApiResponse.Name,
TimezoneOffset = timezoneApiResponse.Offset,
UpdatedAt = DateTime.UtcNow,
};
if (dbCityInfo == null)
{
_context.CityInfos.Add(dbCityInfo);
}
else
{
_context.CityInfos.Update(dbCityInfo);
}
await _context.SaveChangesAsync();
return
($"At the location {temperatureApiResponse.CityName}, the temperature is {temperatureApiResponse.Temperature} degrees by Celsius, and the timezone is \"{timezoneApiResponse.Name}\"");
}
dbCityInfo.UpdatedAt = DateTime.UtcNow;
await _context.SaveChangesAsync();
return
($"At the location {dbCityInfo.CityName}, the temperature is {dbCityInfo.Temperature} degrees by Celsius, and the timezone is \"{dbCityInfo.CityName}\" (Data was cahced)");
}
public async Task <string> Get([FromQuery] CityInfoRequest cityInfoRequest)
{
return(await _cityInfoService.GetCityInfo(cityInfoRequest));
}
public string GetUriString(CityInfoRequest cityInfoRequest)
{
return(string.Format(URL, cityInfoRequest.ZipCode, cityInfoRequest.CountryCode, APIKey));
}
public async Task <TemperatureInfoResponse> GetDataForCity(CityInfoRequest cityInfoRequest)
{
var httpResponse = await GetDataFromApiEndpoint(cityInfoRequest);
return(GetDataFromJsonResponse(httpResponse));
}
