private async Task <List <BaseCurrencyModel> > GetOrCacheBaseCurrencies()
{
var cacheResult = await CacheService.GetOrSetHybridAsync(CacheKey.BaseCurrencies(), TimeSpan.FromMinutes(10), async() =>
{
using (var context = ExchangeDataContextFactory.CreateReadOnlyContext())
{
var query = context.TradePair
.AsNoTracking()
.Where(x => x.Status != Enums.TradePairStatus.Closed && x.Currency2.IsEnabled)
.Select(currency => new BaseCurrencyModel
{
CurrencyId = currency.CurrencyId2,
Name = currency.Currency2.Name,
Symbol = currency.Currency2.Symbol,
Rank = currency.Currency2.Rank
}).Distinct()
.OrderBy(c => c.CurrencyId);
return(await query.ToListNoLockAsync().ConfigureAwait(false));
}
}).ConfigureAwait(false);
return(cacheResult);
}