public async Task <List <BalanceTotalChangeModel> > GetUserBalanceChangesAsync(Guid userId, int count)
{
IEnumerable <DateTime> effectivateDates = await _balanceRepository.GetOrderedEffectiveDatesAsync(userId);
IEnumerable <DateTime> filterEffectiveDates = effectivateDates.Take(count);
IEnumerable <UserCurrency> userCurrencies = await _userCurrencyRepository.GetByUserIdAsync(userId);
string primaryCurrency = userCurrencies.Where(uc => uc.IsPrimary).Select(uc => uc.Currency).FirstOrDefault();
IEnumerable <Balance> balances = await _balanceRepository.GetAllAsync(userId);
List <Balance> balancesToDate = balances.Where(b => b.EffectiveDate <= filterEffectiveDates.Last()).ToList();
List <BalanceTotalChangeModel> result = new List <BalanceTotalChangeModel>();
foreach (var currency in userCurrencies)
{
List <BalanceTotalModel> values = new List <BalanceTotalModel>();
foreach (var effectiveDate in filterEffectiveDates)
{
var effectiveBalances = balances.Where(b => b.EffectiveDate == effectiveDate).ToList();
BalanceTotalModel balanceTotal = await _balanceTotalCalculator
.CalculateAsync(userId, effectiveBalances, currency.Currency, primaryCurrency, effectiveDate);
values.Add(balanceTotal);
}
result.Add(new BalanceTotalChangeModel(currency.Currency, values));
}
return(result);
}
public async Task <List <BalanceTotalModel> > CalculateTotalsAsync(Guid userId, IEnumerable <Balance> balances, DateTime effectiveDate)
{
IEnumerable <UserCurrency> userCurrencies = await _userCurrencyRepository.GetByUserIdAsync(userId);
string primaryCurrency = userCurrencies.Where(uc => uc.IsPrimary).Select(uc => uc.Currency).FirstOrDefault();
List <BalanceTotalModel> result = new List <BalanceTotalModel>();
foreach (var uc in userCurrencies)
{
BalanceTotalModel totals = await _balanceTotalCalculator
.CalculateAsync(userId, balances, uc.Currency, primaryCurrency, effectiveDate);
result.Add(totals);
}
return(result);
}