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| <?php
session_start();
include_once("../config.php");
include_once("paypal.class.php");
$paypalmode = ($PayPalMode=='sandbox') ? '.sandbox' : '';
if(isset($_SESSION["cart_products"])) //Post Data received from product list page.
{
//Other important variables like tax, shipping cost
//we need 4 variables from product page Item Name, Item Price, Item Number and Item Quantity.
//Please Note : People can manipulate hidden field amounts in form,
//In practical world you must fetch actual price from database using item id.
//eg : $ItemPrice = $mysqli->query("SELECT item_price FROM products WHERE id = Product_Number");
$paypal_data ='';
$ItemTotalPrice = 0;
$i = 0;
foreach ($_SESSION["cart_products"] as $cart_itm)
{
$product_code = filter_var($cart_itm["product_code"], FILTER_SANITIZE_STRING);
$results = $mysqli->query("SELECT product_name, product_desc, price FROM products WHERE product_code='$product_code' LIMIT 1");
$obj = $results->fetch_object();
$paypal_data .= '&L_PAYMENTREQUEST_0_NAME'.$i.'='.urlencode($obj->product_name);
$paypal_data .= '&L_PAYMENTREQUEST_0_NUMBER'.$i.'='.urlencode($cart_itm["product_code"]);
$paypal_data .= '&L_PAYMENTREQUEST_0_AMT'.$i.'='.urlencode($obj->price);
$paypal_data .= '&L_PAYMENTREQUEST_0_QTY'.$i.'='. urlencode($cart_itm["product_qty"]);
// item price X quantity
$subtotal = ($obj->price*$cart_itm["product_qty"]);
//total price
$ItemTotalPrice = $ItemTotalPrice + $subtotal;
//create items for session
$paypal_product['items'][] = array('itm_name'=>$obj->product_name,
'itm_price'=>$obj->price,
'itm_code'=>$cart_itm["product_code"],
'itm_qty'=>$cart_itm["product_qty"]
);
$i++;
}
$total_tax = 0;
foreach($taxes as $key => $value){ //list and calculate all taxes in array
$tax_amount = round($ItemTotalPrice * ($value / 100));
$tax_item[$key] = $tax_amount;
$total_tax = $total_tax + $tax_amount; //total tax amount
}
//Grand total including all tax, insurance, shipping cost and discount
$GrandTotal = ($ItemTotalPrice + $total_tax + $HandalingCost + $InsuranceCost + $shipping_cost + $ShippinDiscount);
$paypal_product['assets'] = array('tax_total'=>$total_tax,
'handaling_cost'=>$HandalingCost,
'insurance_cost'=>$InsuranceCost,
'shippin_discount'=>$ShippinDiscount,
'shippin_cost'=>$shipping_cost,
'grand_total'=>$GrandTotal);
//create session array for later use
$_SESSION["paypal_products"] = $paypal_product;
//Parameters for SetExpressCheckout, which will be sent to PayPal
$padata = '&METHOD=SetExpressCheckout'.
'&RETURNURL='.urlencode($PayPalReturnURL ).
'&CANCELURL='.urlencode($PayPalCancelURL).
'&PAYMENTREQUEST_0_PAYMENTACTION='.urlencode("SALE").
$paypal_data.
'&NOSHIPPING=0'. //set 1 to hide buyer's shipping address, in-case products that does not require shipping
'&PAYMENTREQUEST_0_ITEMAMT='.urlencode($ItemTotalPrice).
'&PAYMENTREQUEST_0_TAXAMT='.urlencode($total_tax).
'&PAYMENTREQUEST_0_SHIPPINGAMT='.urlencode($shipping_cost).
'&PAYMENTREQUEST_0_HANDLINGAMT='.urlencode($HandalingCost).
'&PAYMENTREQUEST_0_SHIPDISCAMT='.urlencode($ShippinDiscount).
'&PAYMENTREQUEST_0_INSURANCEAMT='.urlencode($InsuranceCost).
'&PAYMENTREQUEST_0_AMT='.urlencode($GrandTotal).
'&PAYMENTREQUEST_0_CURRENCYCODE='.urlencode($PayPalCurrencyCode).
'&LOCALECODE=GB'. //PayPal pages to match the language on your website.
'&LOGOIMG=http://www.sanwebe.com/wp-content/themes/sanwebe/img/logo.png'. //site logo
'&CARTBORDERCOLOR=FFFFFF'. //border color of cart
'&ALLOWNOTE=1';
//We need to execute the "SetExpressCheckOut" method to obtain paypal token
$paypal= new MyPayPal();
$httpParsedResponseAr = $paypal->PPHttpPost('SetExpressCheckout', $padata, $PayPalApiUsername, $PayPalApiPassword, $PayPalApiSignature, $PayPalMode);
//Respond according to message we receive from Paypal
if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"]))
{
unset($_SESSION["cart_products"]); //session no longer needed
//Redirect user to PayPal store with Token received.
$paypalurl ='https://www'.$paypalmode.'.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token='.$httpParsedResponseAr["TOKEN"].'';
header('Location: '.$paypalurl);
}
else
{
//Show error message
echo '<div style="color:red"><b>Error : </b>'.urldecode($httpParsedResponseAr["L_LONGMESSAGE0"]).'</div>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
}
}
//Paypal redirects back to this page using ReturnURL, We should receive TOKEN and Payer ID
if(isset($_GET["token"]) && isset($_GET["PayerID"]))
{
//we will be using these two variables to execute the "DoExpressCheckoutPayment"
//Note: we haven't received any payment yet.
$token = $_GET["token"];
$payer_id = $_GET["PayerID"];
//get session variables
$paypal_product = $_SESSION["paypal_products"];
$paypal_data = '';
$ItemTotalPrice = 0;
foreach($paypal_product['items'] as $key=>$p_item)
{
$paypal_data .= '&L_PAYMENTREQUEST_0_QTY'.$key.'='. urlencode($p_item['itm_qty']);
$paypal_data .= '&L_PAYMENTREQUEST_0_AMT'.$key.'='.urlencode($p_item['itm_price']);
$paypal_data .= '&L_PAYMENTREQUEST_0_NAME'.$key.'='.urlencode($p_item['itm_name']);
$paypal_data .= '&L_PAYMENTREQUEST_0_NUMBER'.$key.'='.urlencode($p_item['itm_code']);
// item price X quantity
$subtotal = ($p_item['itm_price']*$p_item['itm_qty']);
//total price
$ItemTotalPrice = ($ItemTotalPrice + $subtotal);
}
$padata = '&TOKEN='.urlencode($token).
'&PAYERID='.urlencode($payer_id).
'&PAYMENTREQUEST_0_PAYMENTACTION='.urlencode("SALE").
$paypal_data.
'&PAYMENTREQUEST_0_ITEMAMT='.urlencode($ItemTotalPrice).
'&PAYMENTREQUEST_0_TAXAMT='.urlencode($paypal_product['assets']['tax_total']).
'&PAYMENTREQUEST_0_SHIPPINGAMT='.urlencode($paypal_product['assets']['shippin_cost']).
'&PAYMENTREQUEST_0_HANDLINGAMT='.urlencode($paypal_product['assets']['handaling_cost']).
'&PAYMENTREQUEST_0_SHIPDISCAMT='.urlencode($paypal_product['assets']['shippin_discount']).
'&PAYMENTREQUEST_0_INSURANCEAMT='.urlencode($paypal_product['assets']['insurance_cost']).
'&PAYMENTREQUEST_0_AMT='.urlencode($paypal_product['assets']['grand_total']).
'&PAYMENTREQUEST_0_CURRENCYCODE='.urlencode($PayPalCurrencyCode);
//We need to execute the "DoExpressCheckoutPayment" at this point to Receive payment from user.
$paypal= new MyPayPal();
$httpParsedResponseAr = $paypal->PPHttpPost('DoExpressCheckoutPayment', $padata, $PayPalApiUsername, $PayPalApiPassword, $PayPalApiSignature, $PayPalMode);
//Check if everything went ok..
if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"]))
{
echo '<h2>Success</h2>';
echo 'Your Transaction ID : '.urldecode($httpParsedResponseAr["PAYMENTINFO_0_TRANSACTIONID"]);
/*
//Sometimes Payment are kept pending even when transaction is complete.
//hence we need to notify user about it and ask him manually approve the transiction
*/
if('Completed' == $httpParsedResponseAr["PAYMENTINFO_0_PAYMENTSTATUS"])
{
echo '<div style="color:green">Payment Received! Your product will be sent to you very soon!</div>';
}
elseif('Pending' == $httpParsedResponseAr["PAYMENTINFO_0_PAYMENTSTATUS"])
{
echo '<div style="color:red">Transaction Complete, but payment is still pending! '.
'You need to manually authorize this payment in your <a target="_new" href="http://www.paypal.com">Paypal Account</a></div>';
}
// we can retrive transection details using either GetTransactionDetails or GetExpressCheckoutDetails
// GetTransactionDetails requires a Transaction ID, and GetExpressCheckoutDetails requires Token returned by SetExpressCheckOut
$padata = '&TOKEN='.urlencode($token);
$paypal= new MyPayPal();
$httpParsedResponseAr = $paypal->PPHttpPost('GetExpressCheckoutDetails', $padata, $PayPalApiUsername, $PayPalApiPassword, $PayPalApiSignature, $PayPalMode);
if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"]))
{
echo '<br /><b>Stuff to store in database :</b><br />';
echo '<pre>';
/*
#### SAVE BUYER INFORMATION IN DATABASE ###
//see (http://www.sanwebe.com/2013/03/basic-php-mysqli-usage) for mysqli usage
//use urldecode() to decode url encoded strings.
$buyerName = urldecode($httpParsedResponseAr["FIRSTNAME"]).' '.urldecode($httpParsedResponseAr["LASTNAME"]);
$buyerEmail = urldecode($httpParsedResponseAr["EMAIL"]);
//Open a new connection to the MySQL server
$mysqli = new mysqli('host','username','password','database_name');
//Output any connection error
if ($mysqli->connect_error) {
die('Error : ('. $mysqli->connect_errno .') '. $mysqli->connect_error);
}
$insert_row = $mysqli->query("INSERT INTO BuyerTable
(BuyerName,BuyerEmail,TransactionID,ItemName,ItemNumber, ItemAmount,ItemQTY)
VALUES ('$buyerName','$buyerEmail','$transactionID','$ItemName',$ItemNumber, $ItemTotalPrice,$ItemQTY)");
if($insert_row){
print 'Success! ID of last inserted record is : ' .$mysqli->insert_id .'<br />';
}else{
die('Error : ('. $mysqli->errno .') '. $mysqli->error);
}
*/
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
} else {
echo '<div style="color:red"><b>GetTransactionDetails failed:</b>'.urldecode($httpParsedResponseAr["L_LONGMESSAGE0"]).'</div>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
}
}else{
echo '<div style="color:red"><b>Error : </b>'.urldecode($httpParsedResponseAr["L_LONGMESSAGE0"]).'</div>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
}
}
?> |
