Prosellers Shell V2.0

Editing: paypal.php

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<?php

class Am_Paysystem_Paypal extends Am_Paysystem_Abstract
{
    const PLUGIN_STATUS = self::STATUS_PRODUCTION;
    const PLUGIN_REVISION = '4.2.14.3b7ee0a';

public $domain = "";

protected $defaultTitle = "PayPal";
 protected $defaultDescription = "secure credit card payment";
 
 protected $_canAutoCreate = false;
 protected $_canResendPostback = true;
 
 public function __construct(Am_Di $di, array $config)
 {
 parent::__construct($di, $config);
 $di->billingPlanTable->customFields()->add(
 new Am_CustomFieldText(
 'paypal_id', 
 "PayPal Button Item Number", 
 "if you want to use PayPal buttons, create button with \n".
 "the same billing settings, and enter its item number here"
 ,array(/*,'required'*/)
 ));
 }
 
 
 public function getSupportedCurrencies()
 {
 return array(
 'AUD', 'BRL', 'CAD', 'CZK', 'DKK', 'EUR', 'HKD', 'HUF', 'ILS', 'JPY',
 'MYR', 'MXN', 'NOK', 'NZD', 'PHP', 'PLN', 'GBP', 'SGD', 'SEK', 'CHF',
 'TWD', 'THB', 'USD', 'TRY');
 }
 
 public function _initSetupForm(Am_Form_Setup $form)
 {
 $plugin = $this->getId();
 $form->addText("business", array('size'=>40))
 ->setLabel("Primary Paypal E-Mail Address");
 $form->addAdvCheckbox("testing")
 ->setLabel("Is it a Sandbox(Testing) Account?");
 $form->addTextarea("alt_business", array('cols'=>40, 'rows'=>3,))
 ->setLabel("Alternate PayPal account emails (one per line)");
 $form->addAdvCheckbox("dont_verify")
 ->setLabel(
 "Disable IPN verification\n" .
 "Usually you DO NOT NEED to enable this option.
 However, on some webhostings PHP scripts are not allowed to contact external
 web sites. It breaks functionality of the PayPal payment integration plugin,
 and aMember Pro then is unable to contact PayPal to verify that incoming
 IPN post is genuine. In this case, AS TEMPORARY SOLUTION, you can enable
 this option to don't contact PayPal server for verification. However,
 in this case \"hackers\" can signup on your site without actual payment.
 So if you have enabled this option, contact your webhost and ask them to
 open outgoing connections to www.paypal.com port 80 ASAP, then disable
 this option to make your site secure again.");
 $form->addText("lc", array('size'=>4))
 ->setLabel("PayPal Language Code\n" .
 "This field allows you to configure PayPal page language
 that will be displayed when customer is redirected from your website
 to PayPal for payment. By default, this value is empty, then PayPal
 will automatically choose which language to use. Or, alternatively,
 you can specify for example: en (for english language), or fr
 (for french Language) and so on. In this case, PayPal will not choose
 language automatically. 
 Default value for this field is empty string");
 $form->addText("page_style")
 ->setLabel("PayPal Page Style" . "\n" . "use the custom payment page
 style from your account profile that has the specified name.
 Default value for this field is empty string");
 }

$a->a3 = $invoice->second_total;
 $p = new Am_Period($invoice->second_period);
 $a->p3 = $p->getCount();
 $a->t3 = $this->getPeriodUnit($p->getUnit());
 $a->tax3 = $invoice->second_tax;
 } else {
 $a->cmd = '_xclick';
 $a->amount = $invoice->first_total - $invoice->first_tax - $invoice->first_shipping;
 $a->tax = $invoice->first_tax;
 }
 }
 function getPeriodUnit($unit){
 $units = array('D', 'M', 'Y');
 $unit = strtoupper($unit);
 if (!in_array($unit, $units))
 throw new Am_Exception_Paysystem("Unfortunately PayPal could not handle period unit [$unit], please choose another payment method");
 return $unit;
 }
 
 public function createTransaction(Am_Request $request, Zend_Controller_Response_Http $response, array $invokeArgs)
 {
 return new Am_Paysystem_Paypal_Transaction($this, $request, $response, $invokeArgs);
 }
 public function getReadme()
 {
 $url = $this->getPluginUrl('ipn');
return <<<CUT
PayPal payment plugin installation

Up to date instructions how to enable and configure PayPal plugin you may find at 
<a href='http://www.amember.com/docs/Payment/Paypal'>http://www.amember.com/docs/Payment/Paypal</a>

IPN URL to enter into PayPal settings:
 $url
 
It is only necessary to enable IPN in PayPal. If IPN is already enabled, it does not matter
what exactly URL is specified. aMember will automatically let PayPal know to use aMember URL.
CUT;
 }
 
 
 function getUserCancelUrl(Invoice $invoice)
 {
 return 'https://' . $this->domain . '?' . http_build_query(array(
 'cmd' => '_subscr-find',
 'alias' => $this->getConfig('business'),
 ));
 }
 
 public function getAdminCancelUrl(Invoice $invoice)
 {
 return 'https://' . $this->domain . '?' . http_build_query(array(
 'cmd' => '_subscr-find',
 'alias' => $this->getConfig('business'),
 ));
 }
 
 public function canAutoCreate()
 {
 return true;
 }
 
}

class Am_Paysystem_Paypal_Transaction extends Am_Paysystem_Transaction_Paypal
{
 protected $_autoCreateMap = array(
 'name_f' => 'first_name',
 'name_l' => 'last_name',
 'email' => 'payer_email',
 'street' => 'addres_street',
 'zip' => 'address_zip',
 'state' => 'address_state',
 'country' => 'address_country_code',
 'city' => 'address_city',
 'user_external_id' => 'payer_id',
 'invoice_external_id' => array('subscr_id', 'txn_id') ,
 );
 public function processValidated()
 {
 switch ($this->txn_type) {
 case self::TXN_SUBSCR_SIGNUP:
 if ((float)$this->invoice->first_total <= 0) // no payment will be reported
 if ($this->invoice->status == Invoice::PENDING) // handle only once
 $this->invoice->addAccessPeriod($this); // add first trial period
 break;
 case self::TXN_SUBSCR_EOT:
 // Stop access only if we have lifetime access within invoice. 
 // This is done to handle records imported from v3 
 if(Am_Di::getInstance()->getDbService()->selectCell('
 SELECT count(*) 
 FROM ?_access 
 WHERE invoice_id = ? and expire_date = ?', $this->invoice->pk(), Am_Period::MAX_SQL_DATE))
 $this->invoice->stopAccess($this);
 break;
 case self::TXN_SUBSCR_CANCEL:
 $this->invoice->setCancelled(true);
 break;
 case self::TXN_WEB_ACCEPT:
 case self::TXN_SUBSCR_PAYMENT:
 case self::TXN_CART:
 switch ($this->request->payment_status)
 {
 case 'Completed':
 $this->invoice->addPayment($this);
 break;
 default:
 }
 break;
 }
 switch($this->request->payment_status){
 case 'Refunded':
 case 'Chargeback':
 $this->invoice->addRefund($this, $this->request->parent_txn_id, $this->getAmount());
 break;
 }
 }
 public function validateStatus()
 {
 $status = $this->request->getFiltered('status');
 return $status === null || $status === 'Completed';
 }
 public function validateTerms()
 {
 $currency = $this->request->getFiltered('mc_currency');
 if ($currency && (strtoupper($this->invoice->currency) != $currency))
 throw new Am_Exception_Paysystem_TransactionInvalid("Wrong currency code [$currency] instead of {$this->invoice->currency}");
 if ($this->txn_type == self::TXN_SUBSCR_PAYMENT)
 {
 $isFirst = $this->invoice->first_total && !$this->invoice->getPaymentsCount();
 $expected = $isFirst ? $this->invoice->first_total : $this->invoice->second_total;
 if ($expected > ($amount = $this->getAmount()))
 throw new Am_Exception_Paysystem_TransactionInvalid("Payment amount is [$amount], expected not less than [$expected]");
 } elseif ($this->txn_type == self::TXN_SUBSCR_SIGNUP) {
 if ($this->invoice->first_total != $this->request->get('mc_amount1')) return false;
 if ("" != $this->request->get('mc_amount2')) return false;
 if ($this->invoice->second_total != $this->request->get('mc_amount3')) return false;
 if ($this->invoice->currency != $this->request->get('mc_currency')) return false;
 $p1 = new Am_Period($this->invoice->first_period);
 $p3 = new Am_Period($this->invoice->second_period);
 try {
 $p1 = $p1->getCount() . ' ' . $this->plugin->getPeriodUnit($p1->getUnit());
 $p3 = $p3->getCount() . ' ' . $this->plugin->getPeriodUnit($p3->getUnit());
 } catch (Exception $e) { }
 if ($p1 != $this->request->get('period1')) return false;
 if ("" != $this->request->get('period2')) return false;
 if ($p3 != $this->request->get('period3')) return false;
 }
 return true;
 }
 public function autoCreateGetProducts()
 {
 $item_number = $this->request->get('item_number', $this->request->get('item_number1'));
 if (empty($item_number)) return;
 $billing_plan = $this->getPlugin()->getDi()->billingPlanTable->findFirstByData('paypal_id', $item_number);
 if($billing_plan) return array($billing_plan->getProduct());
 }
}

Editing: paypal.php

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