public IActionResult Get(string identifier)
{
// This has implemented fairly basic caching of data for a minute.
// In a production environment you may want to look at sql dependency injection to flush the cache only
// if the underlying database values have changed.
OMSTradeData cacheEntry = null;
if (identifier != null && !_cache.TryGetValue(identifier.ToUpper(), out cacheEntry))
{
var data = new TradeContext();
cacheEntry = data.TradeData.FirstOrDefault(t => t.Identifier == identifier);
MemoryCacheEntryOptions options = new MemoryCacheEntryOptions();
options.AbsoluteExpiration = DateTime.Now.AddMinutes(1);
options.SlidingExpiration = TimeSpan.FromMinutes(1);
_cache.Set(cacheEntry.Identifier, cacheEntry, options);
}
return(Json(cacheEntry));
}
public bool CommitTrade(OMSTradeData trade)
{
TradeData.Add(trade);
SaveChanges();
return(true);
}
