private async Task <IReadOnlyDictionary <string, EnrolledBalance> > GetEnrolledBalancesAsync(IEnumerable <WalletBalance> balances)
{
var walletKeys = balances.Select(x => new DepositWalletKey
(
blockchainAssetId: x.AssetId,
blockchainType: _blockchainType,
depositWalletAddress: x.Address
));
return((await _enrolledBalanceRepository.GetAsync(walletKeys))
.ToDictionary(
x => GetEnrolledBalancesDictionaryKey(x.Key.DepositWalletAddress, x.Key.BlockchainAssetId),
y => y));
}
public async Task <IEnumerable <EnrolledBalance> > GetAsync(IEnumerable <DepositWalletKey> keys)
{
List <EnrolledBalance> balances = new List <EnrolledBalance>(keys.Count());
List <DepositWalletKey> askFromDbAgain = new List <DepositWalletKey>(keys.Count());
foreach (var key in keys)
{
if (_memCache.TryGetValue(key, out var balance))
{
balances.Add(balance as EnrolledBalance);
}
else
{
askFromDbAgain.Add(key);
}
}
if (askFromDbAgain.Any())
{
var fromDb = (await _enrolledBalanceRepository.GetAsync(askFromDbAgain))?.ToList();
if (fromDb != null && fromDb.Any())
{
fromDb.ForEach((item) =>
{
using (var entry = _memCache.CreateEntry(item.Key))
{
entry.Value = item;
}
});
balances.AddRange(fromDb);
}
}
return(balances);
}