public HttpResponseMessage MakeTransfer(InputTransactionLogDto transaction)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
var db = new BankContext();
var user = this.ValidateAndGetLoggedUser(db);
var fromAccount = db.Accounts.FirstOrDefault(a => a.Iban == transaction.FromAccountIban);
if (fromAccount == null)
{
throw new ArgumentException(
string.Format("Account with id = {0} doesn't exist.", transaction.FromAccountIban));
}
if (fromAccount.User.Id != user.Id)
{
throw new InvalidOperationException(
string.Format(
"Current user has id = {0} but the account belongs to user with id = {1}.",
user.Id,
fromAccount.User.Id));
}
Currency currency = null;
if (transaction.CurrencyId.HasValue)
{
currency = db.Currencies.FirstOrDefault(c => c.Id == transaction.CurrencyId.Value);
if (currency == null)
{
throw new ArgumentException("No such currency.");
}
}
else
{
currency = fromAccount.Currency;
}
Account toAccount = null;
string toIban = null;
string description = null;
if (transaction.ToAccountIban != "")
{
toAccount = db.Accounts.FirstOrDefault(a => a.Iban == transaction.ToAccountIban);
if (toAccount == null)
{
throw new ArgumentException("No such destination account.");
}
if (toAccount.User.Id != user.Id)
{
throw new InvalidOperationException(
string.Format(
"Current user has id = {0} but the destination account belongs to user with id = {1}.",
user.Id,
toAccount.User.Id));
}
description = "Transfer between user's accounts.";
toIban = toAccount.Iban;
toAccount.Balance += transaction.Amount;
db.Entry(toAccount).State = EntityState.Modified;
}
fromAccount.Balance -= transaction.Amount;
db.Entry(fromAccount).State = EntityState.Modified;
db.SaveChanges();
if (toAccount == null)
{
description = "Transfer to an external account.";
toIban = transaction.toIban;
}
db.TransactionLogs.Add(new TransactionLog
{
Amount = transaction.Amount,
Currency = currency,
Timestamp = DateTime.Now,
FromAccount = fromAccount,
ToIban = toIban,
Description = description
});
db.SaveChanges();
var response = new HttpResponseMessage(HttpStatusCode.NoContent);
return response;
});
return responseMsg;
}
public HttpResponseMessage UpdateUser(InputUserDto value)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
var db = new BankContext();
var user = this.ValidateAndGetLoggedUser(db);
if (!ModelState.IsValid)
{
throw new InvalidOperationException("Invalid model state.");
}
Role role = null;
if (value.RoleId.HasValue)
{
role = db.Roles.FirstOrDefault(r => r.Id == value.RoleId);
if (role == null)
{
throw new ArgumentException("No such role.");
}
}
user.UpdateWith(new User
{
FirstName = value.FirstName,
LastName = value.LastName,
Role = role
});
db.Entry(user).State = EntityState.Modified;
db.SaveChanges();
var response = new HttpResponseMessage(HttpStatusCode.NoContent);
return response;
});
return responseMsg;
}
public HttpResponseMessage UpdateAccount(int id, InputAccountDto value)
{
var responseMsg = this.PerformOperationAndHandleExceptions(
() =>
{
var db = new BankContext();
var user = this.ValidateAndGetLoggedUser(db);
if (!ModelState.IsValid)
{
throw new InvalidOperationException("Invalid model state.");
}
var accountToUpdate = db.Accounts.FirstOrDefault(a => a.Id == id);
if (accountToUpdate == null)
{
throw new ArgumentException(
string.Format("Account with id = {0} doesn't exist.", id));
}
//if (accountToUpdate.User.Id != user.Id)
//{
// throw new InvalidOperationException(
// string.Format(
// "Current user has id = {0} but the account belongs to user with id = {1}.",
// user.Id,
// accountToUpdate.User.Id));
//}
decimal interestRate = value.InterestRate ?? 0.0M;
Currency currency = null;
if (value.CurrencyId.HasValue)
{
currency = db.Currencies.FirstOrDefault(c => c.Id == value.CurrencyId);
if (currency == null)
{
throw new ArgumentException("No such currency.");
}
}
AccountType type = null;
if (value.TypeId.HasValue)
{
type = db.AccountTypes.FirstOrDefault(at => at.Id == value.TypeId);
if (type == null)
{
throw new ArgumentException("No such account type.");
}
}
accountToUpdate.UpdateWith(new Account
{
InterestRate = interestRate,
Description = value.Description,
Currency = currency,
Type = type
});
db.Entry(accountToUpdate).State = EntityState.Modified;
db.SaveChanges();
var response = new HttpResponseMessage(HttpStatusCode.NoContent);
return response;
});
return responseMsg;
}
