private async Task <List <TradeHistoryData> > GetOrCacheTradeHistory()
{
var cacheResult = await CacheService.GetOrSetHybridAsync(CacheKey.ExchangeTradeHistoryData(), TimeSpan.FromMinutes(1), async() =>
{
using (var context = ExchangeDataContextFactory.CreateReadOnlyContext())
{
var lastTime = DateTime.UtcNow.AddHours(-24);
var results = await context.TradeHistory
.AsNoTracking()
.Where(tp => tp.TradePair.Status != TradePairStatus.Closed && tp.Timestamp > lastTime)
.Select(x => new TradeHistoryData
{
TradePairId = x.TradePairId,
Amount = x.Amount,
Rate = x.Rate,
Timestamp = x.Timestamp
}).ToListNoLockAsync();
return(results.OrderBy(x => x.Timestamp).ToList());
}
}).ConfigureAwait(false);
return(cacheResult);
}