public async Task <Purse> CreatePurse(Guid userId)
{
var purse = new Purse {
UserId = userId
};
await _dbContext.Purses.AddAsync(purse);
await _dbContext.SaveChangesAsync();
return(purse);
}
public async Task Run()
{
var transactionsToProcess = await _purseAppDbContext.Transactions
.Where(s => s.Status == TransactionStatus.Created).ToListAsync();
foreach (var transaction in transactionsToProcess)
{
try
{
await TransferMoney(transaction.AccountSourceId, transaction.AccountDestinationId,
transaction.Amount);
transaction.Status = TransactionStatus.Successed;
}
catch (Exception)
{
transaction.Status = TransactionStatus.Failed;
throw;
}
finally
{
await _purseAppDbContext.SaveChangesAsync();
}
}
}
public async Task <Account> CreateAccount(Guid purseId, Currency currency, string name)
{
if (await _dbContext.Accounts.AnyAsync(s => s.PurseId == purseId && s.Currency.CurrencyId == currency.CurrencyId))
{
throw new Exception("Счет с такой валютой уже существует");
}
var account = new Account {
PurseId = purseId, Currency = currency, Name = name
};
await _dbContext.Accounts.AddAsync(account);
await _dbContext.SaveChangesAsync();
return(account);
}
public async Task <IActionResult> TransferMoney(Guid accountIdSource, [FromQuery] Guid accountIdDest, [FromQuery] decimal amount)
{
var transaction = new Transaction
{
AccountSourceId = accountIdSource,
AccountDestinationId = accountIdDest,
Amount = amount
};
await _dbContext.Transactions.AddAsync(transaction);
await _dbContext.SaveChangesAsync();
return(Ok());
}
public async Task CreateCurrency(string name)
{
await _dbContext.Currencies.AddAsync(new Currency { Name = name });
await _dbContext.SaveChangesAsync();
}
