/**
* Constructor.
* Set up the pp_data array.
*/
function __construct($A = array())
{
$this->gw_id = 'amazon';
parent::__construct($A);
list($ccode, $amount) = preg_split('/\\ +/', $A['transactionAmount']);
$this->pp_data['txn_id'] = $A['transactionId'];
$this->pp_data['payer_email'] = $A['buyerEmail'];
$this->pp_data['payer_name'] = $A['buyerName'];
$this->pp_data['pmt_date'] = strftime('%d %b %Y %H:%M:%S', $A['transactionDate']);
$this->pp_data['pmt_gross'] = (double) $amount;
$this->pp_data['gw_name'] = $this->gw->Description();
$this->pp_data['pmt_status'] = $A['status'];
// Check a couple of vars to see if a shipping address was supplied
if (isset($A['addressLine1']) || isset($A['city'])) {
$this->pp_data['shipto'] = array('name' => $A['addressName'], 'address1' => $A['addressLine1'], 'address2' => $A['addressLine2'], 'city' => $A['city'], 'state' => $A['state'], 'country' => $A['country'], 'zip' => $A['zip'], 'phone' => $A['phoneNumber']);
}
$custom = explode(';', $A['referenceId']);
foreach ($custom as $name => $temp) {
list($name, $value) = explode(':', $temp);
$this->pp_data['custom'][$name] = $value;
}
if ($this->pp_data['custom']['transtype'] == 'cart') {
USES_paypal_class_cart();
$cart = new ppCart($this->pp_data['custom']['cart_id']);
foreach ($cart->Cart() as $itm_id => $data) {
$this->AddItem($itm_id, $data['quantity'], $data['price']);
}
} else {
$items = explode('::', $A['paymentReason']);
foreach ($items as $item) {
list($itm_id, $price, $qty) = explode(';', $item);
$this->AddItem($itm_id, $qty, $price);
}
}
}
/**
* Process an incoming IPN transaction
* Do the following:
* 1. Verify IPN
* 2. Log IPN
* 3. Check that transaction is complete
* 4. Check that transaction is unique
* 5. Check for valid receiver email address
* 6. Process IPN
*
* @uses BaseIPN::AddItem()
* @uses BaseIPN::handleFailure()
* @uses BaseIPN::handlePurchase()
* @uses BaseIPN::isUniqueTxnId()
* @uses BaseIPN::isSufficientFunds()
* @uses BaseIPN::Log()
* @uses Verify()
* @uses isStatusCompleted()
* @param array $in POST variables of transaction
* @return boolean true if processing valid and completed, false otherwise
*/
public function Process()
{
// If no data has been received, then there's nothing to do.
if (empty($this->ipn_data)) {
return false;
}
if (!$this->Verify()) {
$logId = $this->Log(false);
$this->handleFailure(PAYPAL_FAILURE_VERIFY, "({$logId}) Verification failed");
return false;
} else {
$logId = $this->Log(true);
}
// Set the custom data field to the exploded value. This has to
// be done after Verify() or the Paypal verification will fail.
$this->pp_data['custom'] = $this->custom;
switch ($this->ipn_data['txn_type']) {
case 'web_accept':
//usually buy now
//usually buy now
case 'send_money':
//usually donation/send money
// Process Buy Now & Send Money
$fees_paid = $this->ipn_data['tax'] + $this->pp_data['pmt_shipping'] + $this->pp_data['pmt_handling'];
if (!empty($this->ipn_data['item_number'])) {
if (!isset($this->ipn_data['quantity']) || (double) $this->ipn_data['quantity'] == 0) {
$this->ipn_data['quantity'] = 1;
}
$payment_gross = $this->pp_data['pmt_gross'] - $fees_paid;
$unit_price = $payment_gross / $this->ipn_data['quantity'];
$this->AddItem($this->ipn_data['item_number'], $this->ipn_data['quantity'], $unit_price, $this->ipn_data['item_name'], $this->pp_data['pmt_shipping'], $this->pp_data['pmt_handling']);
$currency = $this->pp_data['currency'];
PAYPAL_debug("Net Settled: {$payment_gross} {$currency}");
if ($this->isSufficientFunds()) {
$this->handlePurchase();
} else {
$this->handleFailure(PAYPAL_FAILURE_FUNDS, "({$logId}) Insufficient funds for purchase");
return false;
}
}
break;
case 'cart':
// shopping cart
$fees_paid = $this->pp_data['pmt_tax'] + $this->pp_data['pmt_shipping'] + $this->pp_data['pmt_handling'];
USES_paypal_class_cart();
if (empty($this->pp_data['custom']['cart_id'])) {
$this->handleFailure(NULL, 'Missing Cart ID');
return false;
}
// Create a cart and read the info from the cart table.
// Actual items purchased and prices will come from the IPN.
$ppCart = new ppCart($this->pp_data['custom']['cart_id']);
$Cart = $ppCart->Cart();
$items = array();
for ($i = 1; $i <= $this->ipn_data['num_cart_items']; $i++) {
// PayPal returns the total price as mc_gross_X, so divide
// by the quantity to get back to a unit price.
if (!isset($this->ipn_data["quantity{$i}"]) || (double) $this->ipn_data["quantity{$i}"] == 0) {
$this->ipn_data["quantity{$i}"] = 1;
}
$item_gross = $this->ipn_data["mc_gross_{$i}"];
if (isset($this->ipn_data["mc_shipping{$i}"])) {
$item_shipping = (double) $this->ipn_data["mc_shipping{$i}"];
$item_gross -= $item_shipping;
} else {
$item_shipping = 0;
}
if (isset($this->ipn_data["tax{$i}"])) {
$item_tax = (double) $this->ipn_data["tax{$i}"];
$item_gross -= $item_tax;
} else {
$item_tax = 0;
}
if (isset($this->ipn_data["mc_handling{$i}"])) {
$item_handling = (double) $this->ipn_data["mc_handling{$i}"];
$item_gross -= $item_handling;
} else {
$item_handling = 0;
}
$unit_price = $item_gross / (double) $this->ipn_data["quantity{$i}"];
// Add the item to the array for the order creation.
// IPN item numbers are indexes into the cart, so get the
// actual product ID from the cart
$this->AddItem($Cart[$this->ipn_data["item_number{$i}"]]['item_id'], $this->ipn_data["quantity{$i}"], $unit_price, $this->ipn_data["item_name{$i}"], $item_shipping, $item_handling, $item_tax, $Cart[$this->ipn_data["item_number{$i}"]]['extras']);
}
$payment_gross = $this->ipn_data['mc_gross'] - $fees_paid;
PAYPAL_debug("Received {$payment_gross} gross payment");
//$currency = $this->ipn_data['mc_currency'];
if ($this->isSufficientFunds()) {
$this->handlePurchase();
} else {
$this->handleFailure(PAYPAL_FAILURE_FUNDS, "({$logId}) Insufficient/incorrect funds for purchase");
return false;
}
break;
// other, unknown, unsupported
// other, unknown, unsupported
default:
switch ($this->ipn_data['reason_code']) {
case 'refund':
$this->handleRefund();
break;
default:
$this->handleFailure(PAYPAL_FAILURE_UNKNOWN, "({$logId}) Unknown transaction type");
return false;
break;
}
break;
}
return true;
}
/**
* Processes the purchase, for purchases made without an IPN message.
*
* @param array $vals Submitted values, e.g. $_POST
*/
public function handlePurchase($vals = array())
{
global $_TABLES, $_CONF, $_PP_CONF;
USES_paypal_functions();
USES_paypal_class_cart();
USES_paypal_class_order();
USES_paypal_class_product();
if (!empty($vals['cart_id'])) {
$cart = new ppCart($vals['cart_id']);
if (!$cart->hasItems()) {
return;
}
// shouldn't be empty
$items = $cart->Cart();
} else {
$cart = new ppCart();
}
// Create an order record to get the order ID
$Order = $this->CreateOrder($vals, $cart);
$db_order_id = DB_escapeString($Order->order_id);
$prod_types = 0;
// For each item purchased, record purchase in purchase table
foreach ($items as $id => $item) {
//COM_errorLog("Processing item: $id");
list($item_number, $item_opts) = PAYPAL_explode_opts($id, true);
// If the item number is numeric, assume it's an
// inventory item. Otherwise, it should be a plugin-supplied
// item with the item number like pi_name:item_number:options
if (PAYPAL_is_plugin_item($item_number)) {
PAYPAL_debug("handlePurchase for Plugin item " . $item_number);
// Initialize item info array to be used later
$A = array();
// Split the item number into component parts. It could
// be just a single string, depending on the plugin's needs.
$pi_info = explode(':', $item['item_number']);
PAYPAL_debug('Paymentgw::handlePurchase() pi_info: ' . print_r($pi_info, true));
$status = LGLIB_invokeService($pi_info[0], 'productinfo', array($item_number, $item_opts), $product_info, $svc_msg);
if ($status != PLG_RET_OK) {
$product_info = array();
}
if (!empty($product_info)) {
$items[$id]['name'] = $product_info['name'];
}
PAYPAL_debug("Paymentgw::handlePurchase() Got name " . $items[$id]['name']);
$vars = array('item' => $item, 'ipn_data' => array());
$status = LGLIB_invokeService($pi_info[0], 'handlePurchase', $vars, $A, $svc_msg);
if ($status != PLG_RET_OK) {
$A = array();
}
// Mark what type of product this is
$prod_types |= PP_PROD_VIRTUAL;
} else {
PAYPAL_debug("Paypal item " . $item_number);
$P = new Product($item_number);
$A = array('name' => $P->name, 'short_description' => $P->short_description, 'expiration' => $P->expiration, 'prod_type' => $P->prod_type, 'file' => $P->file, 'price' => $item['price']);
if (!empty($item_opts)) {
$opts = explode(',', $itemopts);
$opt_str = $P->getOptionDesc($opts);
if (!empty($opt_str)) {
$A['short_description'] .= " ({$opt_str})";
}
$item_number .= '|' . $item_opts;
}
// Mark what type of product this is
$prod_types |= $P->prod_type;
}
// An invalid item number, or nothing returned for a plugin
if (empty($A)) {
//$this->Error("Item {$item['item_number']} not found");
continue;
}
// If it's a downloadable item, then get the full path to the file.
// TODO: pp_data isn't available here, should be from $vals?
if (!empty($A['file'])) {
$this->items[$id]['file'] = $_PP_CONF['download_path'] . $A['file'];
$token_base = $this->pp_data['txn_id'] . time() . rand(0, 99);
$token = md5($token_base);
$this->items[$id]['token'] = $token;
} else {
$token = '';
}
$items[$id]['prod_type'] = $A['prod_type'];
// If a custom name was supplied by the gateway's IPN processor,
// then use that. Otherwise, plug in the name from inventory or
// the plugin, for the notification email.
if (empty($item['name'])) {
$items[$id]['name'] = $A['short_description'];
}
// Add the purchase to the paypal purchase table
$uid = isset($vals['uid']) ? (int) $vals['uid'] : $_USER['uid'];
$sql = "INSERT INTO {$_TABLES['paypal.purchases']} SET \n order_id = '{$db_order_id}',\n product_id = '{$item_number}',\n description = '{$items[$id]['name']}',\n quantity = '{$item['quantity']}', \n user_id = '{$uid}', \n txn_type = '{$this->gw_id}',\n txn_id = '', \n purchase_date = '{$_PP_CONF['now']->toMySQL()}', \n status = 'complete',\n token = '{$token}',\n price = " . (double) $item['price'] . ",\n options = '" . DB_escapeString($item_opts) . "'";
// add an expiration date if appropriate
if (is_numeric($A['expiration']) && $A['expiration'] > 0) {
$sql .= ", expiration = DATE_ADD('{$_PP_CONF['now']->toMySQL()}', INTERVAL {$A['expiration']} DAY)";
}
//echo $sql;die;
PAYPAL_debug($sql);
DB_query($sql);
}
// foreach item
// If this was a user's cart, then clear that also
if (isset($vals['cart_id']) && !empty($vals['cart_id'])) {
DB_delete($_TABLES['paypal.cart'], 'cart_id', $vals['cart_id']);
}
}
