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atm_simulator_action.php
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atm_simulator_action.php
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<?php
include "validate_customer.php";
include "header.php";
include "customer_navbar.php";
include "customer_sidebar.php";
include "session_timeout.php";
$id = $_SESSION['loggedIn_cust_id'];
$amt = mysqli_real_escape_string($conn, $_POST["amt"]);
$type = mysqli_real_escape_string($conn, $_POST["type"]);
$pin = mysqli_real_escape_string($conn, $_POST["pin"]);
$sql0 = "SELECT balance FROM passbook".$id." ORDER BY trans_id DESC LIMIT 1";
$result = $conn->query($sql0);
$row = $result->fetch_assoc();
$balance = $row["balance"];
/* Set appropriate error number if errors are encountered.
Key (for err_no) :
-1 = Connection Error.
0 = Successful Transaction.
1 = Insufficient Funds.
2 = Wrong PIN entered. */
$err_no = -1;
$sql_pin = "SELECT * FROM customer WHERE cust_id=".$id." AND pin='".$pin."'";
$result_pin = $conn->query($sql_pin);
if (($result_pin->num_rows) > 0) {
// For Credit transactions
if ($type == "credit") {
$final_balance = $balance + $amt;
$sql1 = "INSERT INTO passbook".$id." VALUES(
NULL,
NOW(),
'Cash Deposit',
'0',
'$amt',
'$final_balance'
)";
if (($conn->query($sql1) === TRUE)) {
$err_no = 0;
}
}
// For Debit transactions
if ($type == "debit") {
$final_balance = $balance - $amt;
if ($final_balance >= 0) {
$sql1 = "INSERT INTO passbook".$id." VALUES(
NULL,
NOW(),
'Cash to Self',
'$amt',
'0',
'$final_balance'
)";
if (($conn->query($sql1) === TRUE)) {
$err_no = 0;
}
}
else {
$err_no = 1;
}
}
}
else {
$err_no = 2;
}
?>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="action_style.css">
</head>
<body>
<div class="flex-container">
<div class="flex-item">
<?php
if ($err_no == -1) { ?>
<p id="info"><?php echo "Connection Error ! Please try again later.\n"; ?></p>
<?php } ?>
<?php
if ($err_no == 0) { ?>
<p id="info"><?php echo "Transaction Successful !\n"; ?></p>
<?php } ?>
<?php
if ($err_no == 1) { ?>
<p id="info"><?php echo "Insufficient Funds !\n"; ?></p>
<?php } ?>
<?php
if ($err_no == 2) { ?>
<p id="info"><?php echo "Wrong PIN Entered !\n"; ?></p>
<?php } ?>
</div>
<div class="flex-item">
<a href="/atm_simulator.php" class="button">Go Back</a>
</div>
</div>
</body>
</html>