public async Task <IActionResult> PostWeather(string id, string pwd, [FromBody] WeatherImperial weatherImperial)
{
DateTime now = DateTime.UtcNow;
//get pws and they last requet from cache - chache timeout in Constants.PWSTimeout, after this period is chache refreshed, and same request can by writed
CacheWeather pwsCache = await new CacheWeatherLogic(_memoryCache, _context, _serviceFactory).GetPWSAsync(id, pwd);
//no PWS foud by pwsData.PWSId
if (pwsCache == null)
{
return(Unauthorized(Constants.NoPWS));
}
string checkRangeError = string.Empty;
if (!weatherImperial.CheckRange(ref checkRangeError))
{
return(ValidationProblem(checkRangeError));
}
Weather weather = weatherImperial.ToWeather();
weather.IdPws = pwsCache.IdPws;
weather.Dateutc = now;
pwsCache.lastWeatherSet.Enqueue(weather);
return(Ok());
}
/// <summary>
/// chache station DB key and last upload request
/// </summary>
/// <returns></returns>
public async Task <Cache.CacheWeather> GetPWSAsync(string id, string pwd)
{
string key = CacheKeys.PWS + id;
Cache.CacheWeather cacheWeather = null;
if (!_memCache.TryGetValue(key, out cacheWeather))
{
//not in cache
//TODO on change password cache must by reseted
int?IdPws = await _context.Pws.Where(pws => pws.Id == id && pws.Pwd == pwd).Select(pws => pws.IdPws).FirstOrDefaultAsync();
if (IdPws.HasValue && IdPws > 0)
{
_memCache.Set(key, cacheWeather = new CacheWeather()
{
IdPws = IdPws.Value, lastWeatherSet = new ConcurrentQueue <Weather>()
},
new MemoryCacheEntryOptions().RegisterPostEvictionCallback(async(object key, object value, EvictionReason reason, object state) =>
{
CacheWeather cacheWeather = (CacheWeather)value;
await Task.Run(async() => { await storeCachedWeatherData(cacheWeather.IdPws, cacheWeather.lastWeatherSet); });
cacheWeather.lastWeatherSet.Clear();
}, this).SetAbsoluteExpiration(Constants.weatherPostCacheTimeout));
}
}
return(cacheWeather);
}
