public async Task Handle(
DateTimeOffset date, UserId user, BrokerId broker, AccountId account,
decimal amount, ExpenseCategory category, AssetId?asset)
{
if (amount == 0)
{
throw new InvalidPriceException();
}
if (string.IsNullOrWhiteSpace(category.ToString()))
{
throw new InvalidCategoryException();
}
var state = _stateManager.ReadState(date, user);
var brokerState = state.Brokers.FirstOrDefault(b => b.Id == broker);
if (brokerState == null)
{
throw new BrokerNotFoundException();
}
if (brokerState.Accounts.All(a => a.Id != account))
{
throw new AccountNotFoundException();
}
if ((asset != null) && brokerState.Inventory.All(a => a.Id != asset))
{
throw new AssetNotFoundException();
}
var id = new OperationId(_idGenerator.GenerateNewId());
await _stateManager.AddCommand(new AddExpenseCommand(
date, user, broker, account, id, amount, category, asset));
}
public async Task Handle(
DateTimeOffset date, UserId user, BrokerId broker, CurrencyCode currency, string displayName)
{
if (string.IsNullOrWhiteSpace(displayName))
{
throw new InvalidAccountException();
}
var state = _stateManager.ReadState(date, user);
if (!_currencyConfig.HasCurrency(currency))
{
throw new CurrencyNotFoundException();
}
var brokerState = state.Brokers.FirstOrDefault(b => b.Id == broker);
if (brokerState == null)
{
throw new BrokerNotFoundException();
}
if (brokerState.Accounts.Any(a => a.DisplayName == displayName))
{
throw new DuplicateAccountException();
}
var id = new AccountId(_idGenerator.GenerateNewId());
await _stateManager.AddCommand(new CreateAccountCommand(date, user, broker, id, currency, displayName));
}
public async Task Handle(DateTimeOffset date, UserId user, string displayName)
{
if (string.IsNullOrWhiteSpace(displayName))
{
throw new InvalidBrokerException();
}
var state = _stateManager.ReadState(date, user);
if (state.Brokers.Any(b => b.DisplayName == displayName))
{
throw new DuplicateBrokerException();
}
var id = new BrokerId(_idGenerator.GenerateNewId());
await _stateManager.AddCommand(new CreateBrokerCommand(date, user, id, displayName));
}
public async Task <AssetId> Handle(
DateTimeOffset date, UserId user, BrokerId brokerId, AccountId payAccountId, AccountId feeAccountId,
AssetISIN isin, decimal price, decimal fee, string name, int count)
{
if (string.IsNullOrWhiteSpace(isin.Value))
{
throw new InvalidAssetException();
}
if (count <= 0)
{
throw new InvalidCountException();
}
var state = _stateManager.ReadState(date, user);
var broker = state.Brokers.FirstOrDefault(b => b.Id == brokerId);
if (broker == null)
{
throw new InvalidBrokerException();
}
var payAccount = broker.Accounts.FirstOrDefault(a => a.Id == payAccountId);
if (payAccount == null)
{
throw new InvalidAccountException();
}
var feeAccount = broker.Accounts.FirstOrDefault(a => a.Id == feeAccountId);
if (feeAccount == null)
{
throw new InvalidAccountException();
}
var asset = broker.Inventory.FirstOrDefault(a => a.Isin == isin);
AssetId id;
if (asset != null)
{
id = asset.Id;
await _stateManager.AddCommand(new IncreaseAssetCommand(date, user, brokerId, asset.Id, count));
}
else
{
id = new AssetId(_idGenerator.GenerateNewId());
var currency = payAccount.Currency;
await _stateManager.AddCommand(new AddAssetCommand(date, user, brokerId, id, isin, currency, name, count));
}
switch (price)
{
case < 0:
throw new InvalidPriceException();
case 0:
break;
default:
await _addExpense.Handle(
date, user, brokerId, payAccountId, price, ExpenseCategory.BuyAsset, id);
break;
}
switch (fee)
{
case < 0:
throw new InvalidPriceException();
case 0:
break;
default:
await _addExpense.Handle(
date, user, brokerId, feeAccountId, fee, ExpenseCategory.BuyAssetFee, id);
break;
}
return(id);
}
