public ApiResult <Account> GetById(string accountId)
{
if (accountId == null)
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Null {nameof(accountId)}"));
}
// SELECT FROM Account
IQueryable <Account> accountResultSearch = _dbContext.Set <Account>().AsQueryable().Where(a => a.AccountId == accountId);
var account = accountResultSearch.Include(c => c.Cards).SingleOrDefault();
if (account == null)
{
return(new ApiResult <Account>()
{
Code = Constants.ApiResultCode.NotFound,
ErrorText = $"Customer {accountId} was not found"
});
}
else
{
return(new ApiResult <Account>()
{
Data = account
});
}
}
public ApiResult <Account> Create(Guid customerId,
CreateAccountOptions options)
{
if (options == null)
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Null {nameof(options)}"));
}
if (string.IsNullOrWhiteSpace(options.CurrencyCode) ||
!options.CurrencyCode.Equals(
Constants.CurrencyCode.Euro, StringComparison.OrdinalIgnoreCase))
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.BadRequest,
$"Invalid or unsupported currency {options.CurrencyCode}"));
}
var customerResult = _customers.GetById(customerId);
if (!customerResult.IsSuccessful())
{
return(customerResult.ToResult <Account>());
}
var customer = customerResult.Data;
var account = new Account()
{
AccountId = CreateAccountId(customer.CountryCode),
Balance = 0M,
CurrencyCode = options.CurrencyCode,
Customer = customer,
State = Constants.AccountState.Active,
Description = options.Description
};
_dbContext.Add(account);
try {
_dbContext.SaveChanges();
}
catch (Exception) {
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.InternalServerError, "Could not save account"));
}
return(ApiResult <Account> .CreateSuccessful(account));
}
public ApiResult <Card> GetByCardNumber(string cardNumber)
{
if (cardNumber == null)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Null {nameof(cardNumber)}"));
}
IQueryable <Card> cardsSearchRes = _dbContext.Set <Card>().AsQueryable().Where(a => a.CardNumber == cardNumber);
var card = cardsSearchRes.SingleOrDefault();
if (card == null)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.NotFound, $"CardNumber {cardNumber} was not found"));
}
return(new ApiResult <Card>()
{
Data = card
});
}
public static ApiResult <Card> Validations(this Card card, PaymentOptions options)
{
if (card == null)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.NotFound, $"Card {options.CardNumber} was not found"));
}
if (!card.IsValidRequest(options))
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Bad Request"));
}
if (!card.IsActive())
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"InActive Card {options.CardNumber}"));
}
return(null);
}
public ApiResult <Account> Charge(string accountId, decimal amount)
{
if (accountId == null)
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Null {nameof(accountId)}"));
}
IQueryable <Account> accountResultSearch = _dbContext.Set <Account>().AsQueryable().Where(a => a.AccountId == accountId);
var account = accountResultSearch.Include(c => c.Cards).SingleOrDefault();
if (account == null)
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.NotFound, $"Account {accountId} was not found"));
}
if (account.State != Constants.AccountState.Active)
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.Success, $"Account State {account.State}"));
}
if (account.Balance < amount)
{
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.Success, "Ιnsufficient Βalance"));
}
account.Balance -= amount;
//_dbContext.Add(account);
try {
_dbContext.SaveChanges();
}
catch (Exception) {
return(ApiResult <Account> .CreateFailed(
Constants.ApiResultCode.InternalServerError, "Could not save account"));
}
return(ApiResult <Account> .CreateSuccessful(account));
}
public static ApiResult <Card> Validations(this Account account, PaymentOptions options)
{
if (account == null)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, "No Connected Account"));
}
if (account.State != Constants.AccountState.Active)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Account State {account.State}"));
}
decimal amount = options.Amount;
if (account.Balance < amount)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, "Ιnsufficient Βalance"));
}
return(null);
}
public ApiResult <Card> Create(string accountId, CreateCardOptions options)
{
if (options == null)
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Null {nameof(options)}"));
}
var accountResult = _accountService.GetById(accountId);
if (!accountResult.IsSuccessful())
{
return(accountResult.ToResult <Card>());
}
var account = accountResult.Data;
var card = new Card()
{
CardNumber = options.CardNumber,
CardType = options.CardType,
Active = true
};
card.Accounts.Add(account);
_dbContext.Add(card);
try {
_dbContext.SaveChanges();
}
catch (Exception) {
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.InternalServerError, "Could not save account"));
}
return(ApiResult <Card> .CreateSuccessful(card));
}
public ApiResult <Card> Checkout(PaymentOptions options)
{
if (options == null || !options.IsValid())
{
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.BadRequest, $"Null {nameof(options)}"));
}
var card = Get(options.CardNumber);
var cardValidationsApiResult = card.Validations(options);
if (cardValidationsApiResult != null)
{
return(cardValidationsApiResult);
}
var account = card.Accounts.FirstOrDefault();
var accountValidationsApiResult = account.Validations(options);
if (accountValidationsApiResult != null)
{
return(accountValidationsApiResult);
}
decimal amount = options.Amount;
account.Balance -= amount;
try {
_dbContext.SaveChanges();
}
catch (Exception) {
return(ApiResult <Card> .CreateFailed(
Constants.ApiResultCode.InternalServerError, "Could Not Save"));
}
return(ApiResult <Card> .CreateSuccessful(card));
}
