public async Task <IActionResult> GetByIp(DateTimeOffset?date)
{
var ip = HttpContext.Connection.RemoteIpAddress;
var cacheKey = $"{ip},{date}";
var cachedSolarTimes = await _cachingLayer.TryGetAsync <SolarTimes>(cacheKey);
if (cachedSolarTimes != null)
{
return(Ok(cachedSolarTimes));
}
var location = await _locationProvider.GetLocationAsync(ip);
var solarTimes = _solarCalculator.GetSolarTimes(location, date ?? DateTimeOffset.Now);
await _cachingLayer.SetAsync(cacheKey, solarTimes);
return(Ok(solarTimes));
}