public OwForecast GetForecastPageData(int?owCityId = null)
{
//if (!owCityId.HasValue)
//{
// owCityId = defaultOwCityId;
//}
OwForecast owForecast = null;
var lastFetchUtc = CacheUtil.GetLastFetchUtc();
if (owCityId.HasValue)
{
if (!lastFetchUtc.HasValue || lastFetchUtc.Value < DateTime.UtcNow.AddMinutes(-minutesBetweenRequests))
{
var apiUrl = string.Format(apiUrlTemplate, owCityId);
var result = httpClient.GetAsync(apiUrl).Result;
if (result.IsSuccessStatusCode)
{
var resultString = result.Content.ReadAsStringAsync().Result;
owForecast = JsonConvert.DeserializeObject <OwForecast>(resultString);
lastFetchUtc = owForecast.FetchUtc = DateTime.UtcNow;
CacheUtil.SaveForecast(owForecast);
}
}
else
{
owForecast = CacheUtil.GetForecast(owCityId.Value);
}
}
if (owForecast == null)
{
owForecast = new OwForecast();
}
owForecast.AvailableFetchUtc = lastFetchUtc.HasValue ? lastFetchUtc.Value.AddMinutes(minutesBetweenRequests) : DateTime.UtcNow;
return(owForecast);
}