public async Task <IActionResult> PostUser_Client_Card_Info(string appid, [FromBody] User_Client_Card_Info user_Client_Card_Info, [FromServices]
BankContext BankDb)
{
try
{
//Authentication of API
if (appid == null)
{
return(BadRequest());
}
var user = _context.Users.Where(e => e.AppId.ToString().CompareTo(appid) == 1).Select(e => e);
if (user == null)
{
return(BadRequest("You are not authorised to use the API, Please register or Contact Administrator"));
}
// Verify Model
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
//Check if user has valid card details
if (_context.User_Clients_Card_Info.Where(e => e.CardNumber == user_Client_Card_Info.CardNumber) == null)
{
return(BadRequest("Card Number is not valid"));
}
var bank_User_Client_Card_Info = BankDb.Bank_User_Client_Card_Info.Where(e => e.CardNumber == user_Client_Card_Info.CardNumber).Select(e => e).FirstOrDefault();
if (bank_User_Client_Card_Info == null)
{
return(BadRequest("Card Number is not valid"));
}
decimal availableAmount = 0;
var account = BankDb.Bank_User_Client_Account.Where(e => e.AccountNumber == bank_User_Client_Card_Info.AccountNumber).FirstOrDefault();
if (account == null)
{
return(BadRequest("Account Number is not valid"));
}
availableAmount = account.AvailableAmount - user_Client_Card_Info.TransactionAmount;
account.AvailableAmount = availableAmount;
BankDb.Entry(account).State = EntityState.Modified;
try
{
await BankDb.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(NotFound());
}
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
return(CreatedAtAction("GetUser_Client_Card_Info", new { id = user_Client_Card_Info.CardNumber }, user_Client_Card_Info));
}
public async Task <JsonResult> PostResult(User_Client_Card_Info User_Client_Card_Info)
{
using (HttpClient client = new HttpClient())
{
var content = new StringContent(JsonConvert.SerializeObject(User_Client_Card_Info), Encoding.UTF8, "application/json");
var response = await client.PostAsync("https://localhost:44311/api/PaymentGateway?appid=0c56f2c2-5457-4a32-ba2b-971afdb9f99e&CardNumber=2407199449917042", content);
var responseString = await response.Content.ReadAsStringAsync();
return(Json(responseString, JsonRequestBehavior.AllowGet));
};
}
public ActionResult About(decimal price, string desc)
{
User_Client_Card_Info a = new User_Client_Card_Info
{
TransactionAmount = price,
PurchaseDescription = desc,
CardNumber = "2407199449917042",
IdentityNumber = "K2407944608215",
CardType = "Credit",
ExpirationDate = DateTime.Parse("2030-12-30")
};
return(View(a));
}
public async Task <ActionResult> About(User_Client_Card_Info User_Client_Card_Info)
{
var s = await PostResult(User_Client_Card_Info);
return(RedirectToAction("Index"));
}
public async Task <IActionResult> PostPaymentGateway(string appid, [FromBody] User_Client_Card_Info user_Client_Card_Info, [FromServices]
BankContext BankDb)
{
var TransactionHist = new Models.Transaction_History();
try
{
//Authentication of API
if (appid == null)
{
return(BadRequest());
}
var user = _context.Users.Where(e => e.AppId.ToString().CompareTo(appid) == 1).Select(e => e);
if (user == null)
{
return(BadRequest("You are not authorised to use the API, Please register or Contact Administrator"));
}
// Verify Model
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
//Check if user has valid card details
if (_context.User_Clients_Card_Info.Where(e => e.CardNumber == user_Client_Card_Info.CardNumber) == null)
{
return(BadRequest("Card Number is not valid"));
}
//linked the card with his account
var bank_User_Client_Card_Info = BankDb.Bank_User_Client_Card_Info.Where(e => e.CardNumber == user_Client_Card_Info.CardNumber).Select(e => e).FirstOrDefault();
if (bank_User_Client_Card_Info == null)
{
return(BadRequest("Card Number is not valid"));
}
//declare new amount
decimal availableAmount = 0;
var account = BankDb.Bank_User_Client_Account.Where(e => e.AccountNumber == bank_User_Client_Card_Info.AccountNumber).FirstOrDefault();
if (account == null)
{
return(BadRequest("Account Number is not valid"));
}
//Deduce the purchase price in the account
availableAmount = account.AvailableAmount - user_Client_Card_Info.TransactionAmount;
//update the db available amount
account.AvailableAmount = availableAmount;
BankDb.Entry(account).State = EntityState.Modified;
try
{
await BankDb.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(NotFound());
}
//write transaction into hist
BankDb.Bank_Transaction_History.Add(new Models.BankModel.Bank_Transaction_History
{
TransactionId = Guid.NewGuid().ToString(),
CardNumber = user_Client_Card_Info.CardNumber,
TransactionDate = DateTime.Now,
TransactionAmount = user_Client_Card_Info.TransactionAmount,
TransactionType = "Debit",
TransactionStatus = "Success"
});
try
{
await BankDb.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(NotFound());
}
TransactionHist = new Models.Transaction_History
{
TransactionDate = DateTime.Now,
CardNumber = user_Client_Card_Info.CardNumber,
PurchaseAmount = user_Client_Card_Info.TransactionAmount,
PurchaseDescription = user_Client_Card_Info.PurchaseDescription,
TransactionStatus = "Success"
};
_context.Transaction_History.Add(TransactionHist);
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(NotFound());
}
}
catch (Exception e)
{
return(BadRequest(e.Message));
}
return(Ok(TransactionHist));
}
