'yes',
'title' => 'PayFast',
'description' => '',
'testmode' => 'yes',
'merchant_id' => '',
'merchant_key' => ''
);
var $form_fields = array();
var $errors = array();
var $sanitized_fields = array();
public function __construct() {
$this->id = 'payfast';
$this->icon = woocommerce::plugin_url() . '/assets/images/icons/payfast.png';
$this->has_fields = true;
// Load the settings.
$this->init_settings();
// Load the form fields.
$this->init_form_fields();
// Setup default merchant data.
$this->merchant_id = $this->settings['merchant_id'];
$this->merchant_key = $this->settings['merchant_key'];
$this->url = 'https://www.payfast.co.za/eng/process';
// Setup the test data, if in test mode.
if ( $this->settings['testmode'] == 'yes' ) {
$this->merchant_id = '10000100';
$this->merchant_key = '46f0cd694581a';
$this->url = 'https://sandbox.payfast.co.za/eng/process';
}
// add_action( 'init', array( &$this, 'check_ipn_response' ) );
// add_action( 'valid-paypal-standard-ipn-request', array( &$this, 'successful_request' ) );
add_action( 'woocommerce_update_options', array( &$this, 'process_admin_options' ) );
// add_action( 'receipt_payfast', array( &$this, 'receipt_page' ) );
}
/**
* Initialise Gateway Settings Form Fields
*
* Generate form fields HTML.
*
* @since 1.0.0
* @uses get_option()
*/
private function init_form_fields () {
$this->form_fields = array(
'title' => array(
'title' => __( 'Title', 'woothemes' ),
'type' => 'text',
'description' => __( 'This controls the title which the user sees during checkout.', 'woothemes' )
),
'enabled' => array(
'title' => __( 'Enable/Disable', 'woothemes' ),
'type' => 'checkbox',
'description' => __( 'This controls the title which the user sees during checkout.', 'woothemes' )
),
'description' => array(
'title' => __( 'Description', 'woothemes' ),
'type' => 'text',
'description' => __( 'This controls the description which the user sees during checkout.', 'woothemes' )
),
'testmode' => array(
'title' => __( 'PayFast Sandbox', 'woothemes' ),
'type' => 'checkbox',
'description' => __( 'Place the payment gateway in development mode.', 'woothemes' )
),
'merchant_id' => array(
'title' => __( 'Merchant ID', 'woothemes' ),
'type' => 'text',
'description' => __( 'This is the merchant ID, received from PayFast.', 'woothemes' )
),
'merchant_key' => array(
'title' => __( 'Merchant Key', 'woothemes' ),
'type' => 'text',
'description' => __( 'This is the merchant key, received from PayFast.', 'woothemes' )
)
);
} // End init_form_fields()
/**
* Initialise Gateway Settings
*
* Store all settings in a single database entry
* and make sure the $settings array is either the default
* or the settings stored in the database.
*
* @since 1.0.0
* @uses get_option(), add_option()
*/
private function init_settings () {
if ( ! is_array( $this->settings ) ) { return; }
$settings = array();
$existing_settings = get_option( $this->plugin_id . $this->id . '_settings' );
if ( ! $existing_settings ) {
add_option( $this->plugin_id . $this->id . '_settings' );
} else {
// Prevent "undefined index" errors.
foreach ( $this->settings as $k => $v ) {
if ( ! isset( $existing_settings[$k] ) ) {
$existing_settings[$k] = $v;
}
}
$this->settings = $existing_settings;
}
if ( isset( $this->settings['enabled'] ) && ( $this->settings['enabled'] == 'yes' ) ) { $this->enabled = 'yes'; }
} // End init_settings()
/**
* Generate Settings HTML.
*
* Generate the HTML for the fields on the "settings" screen.
*
* @since 1.0.0
* @uses method_exists()
*/
private function generate_settings_html () {
$html = '';
foreach ( $this->form_fields as $k => $v ) {
if ( ! isset( $v['type'] ) || ( $v['type'] == '' ) ) { $v['type'] == 'text'; } // Default to "text" field type.
if ( method_exists( $this, 'generate_' . $v['type'] . '_html' ) ) {
$html .= $this->{'generate_' . $v['type'] . '_html'}( $k, $v );
}
}
echo $html;
} // End generate_settings_html()
/**
* Generate Text Input HTML.
*
* @since 1.0.0
* @return $html string
*/
private function generate_text_html ( $key, $data ) {
$html = '';
if ( isset( $data['title'] ) && $data['title'] != '' ) { $title = $data['title']; }
$html .= '' . "\n";
$html .= '| ' . $title . ' | ' . "\n";
$html .= '' . "\n";
$html .= '';
$html .= ' | ' . "\n";
$html .= '
' . "\n";
return $html;
} // End generate_checkbox_html()
/**
* Generate Checkbox HTML.
*
* @since 1.0.0
* @return $html string
*/
private function generate_checkbox_html ( $key, $data ) {
$html = '';
if ( isset( $data['title'] ) && $data['title'] != '' ) { $title = $data['title']; }
$html .= '' . "\n";
$html .= '| ' . $title . ' | ' . "\n";
$html .= '' . "\n";
$html .= '';
$html .= ' | ' . "\n";
$html .= '
' . "\n";
return $html;
} // End generate_checkbox_html()
/**
* Validate Settings Field Data.
*
* Validate the data on the "Settings" form.
*
* @since 1.0.0
* @uses method_exists()
*/
private function validate_settings_fields () {
// TO DO: NONCE SECURITY CHECK
foreach ( $this->form_fields as $k => $v ) {
if ( ! isset( $v['type'] ) || ( $v['type'] == '' ) ) { $v['type'] == 'text'; } // Default to "text" field type.
if ( method_exists( $this, 'validate_' . $v['type'] . '_field' ) ) {
$field = $this->{'validate_' . $v['type'] . '_field'}( $k );
$this->sanitized_fields[$k] = $field;
} else {
$this->sanitized_fields[$k] = $this->settings[$k];
}
}
} // End validate_settings_fields()
/**
* Validate Checkbox Field.
*
* If not set, return "no", otherwise return "yes".
*
* @since 1.0.0
* @return $status string
*/
private function validate_checkbox_field ( $key ) {
// TO DO: NONCE SECURITY CHECK
$status = 'no';
if ( isset( $_POST[$this->plugin_id . $this->id . '_' . $key] ) && ( 1 == $_POST[$this->plugin_id . $this->id . '_' . $key] ) ) {
$status = 'yes';
}
return $status;
} // End validate_checkbox_field()
/**
* Validate Text Field.
*
* Make sure the data is escaped correctly, etc.
*
* @since 1.0.0
* @return $text string
*/
private function validate_text_field ( $key ) {
// TO DO: NONCE SECURITY CHECK
$text = $this->settings[$key];
if ( isset( $_POST[$this->plugin_id . $this->id . '_' . $key] ) && ( '' != $_POST[$this->plugin_id . $this->id . '_' . $key] ) ) {
$text = esc_attr( woocommerce_clean( $_POST[$this->plugin_id . $this->id . '_' . $key] ) );
}
return $text;
} // End validate_text_field()
/**
* Admin Panel Options
* - Options for bits like 'title' and availability on a country-by-country basis
*
* @since 1.0.0
*/
public function admin_options() {
?>
', '' ); ?>
settings['description'] ) && ( '' != $this->settings['description'] ) ) {
echo wpautop( wptexturize( $this->settings['description'] ) );
}
} // End payment_fields()
/**
* Admin Panel Options Processing
* - Saves the options to the DB
*
* @since 1.0.0
*/
public function process_admin_options() {
// TO DO: NONCE SECURITY CHECK
$this->validate_settings_fields();
if ( count( $this->errors ) > 0 ) {
$this->display_errors();
} else {
update_option( $this->plugin_id . $this->id . '_settings', $this->sanitized_fields );
}
}
private function display_errors() {
// TO DO - Generate errors HTML.
} // End display_errors()
/**
* Generate the paypal button link
**/
public function generate_paypal_form( $order_id ) {
/*
$order = &new woocommerce_order( $order_id );
if ( $this->testmode == 'yes' ):
$paypal_adr = $this->testurl . '?test_ipn=1&';
else :
$paypal_adr = $this->liveurl . '?';
endif;
$shipping_name = explode(' ', $order->shipping_method);
if (in_array($order->billing_country, array('US','CA'))) :
$phone_args = array(
'night_phone_a' => substr($order->billing_phone,0,3),
'night_phone_b' => substr($order->billing_phone,0,3),
'night_phone_c' => substr($order->billing_phone,0,3),
'day_phone_a' => substr($order->billing_phone,0,3),
'day_phone_b' => substr($order->billing_phone,0,3),
'day_phone_c' => substr($order->billing_phone,0,3)
);
else :
$phone_args = array(
'night_phone_b' => $order->billing_phone,
'day_phone_b' => $order->billing_phone
);
endif;
$paypal_args = array_merge(
array(
'cmd' => '_cart',
'business' => $this->email,
'no_note' => 1,
'currency_code' => get_option('woocommerce_currency'),
'charset' => 'UTF-8',
'rm' => 2,
'upload' => 1,
'return' => add_query_arg('key', $order->order_key, add_query_arg('order', $order_id, get_permalink(get_option('woocommerce_thanks_page_id')))),
'cancel_return' => $order->get_cancel_order_url(),
//'cancel_return' => home_url(),
// Order key
'custom' => $order_id,
// IPN
'notify_url' => trailingslashit(get_bloginfo('wpurl')).'?paypalListener=paypal_standard_IPN',
// Address info
'first_name' => $order->billing_first_name,
'last_name' => $order->billing_last_name,
'company' => $order->billing_company,
'address1' => $order->billing_address_1,
'address2' => $order->billing_address_2,
'city' => $order->billing_city,
'state' => $order->billing_state,
'zip' => $order->billing_postcode,
'country' => $order->billing_country,
'email' => $order->billing_email,
// Payment Info
'invoice' => $order->order_key,
//'tax' => $order->get_total_tax(),
'tax_cart' => $order->get_total_tax(),
//'amount' => $order->order_total,
'discount_amount_cart' => $order->order_discount
),
$phone_args
);
if ($this->send_shipping=='yes') :
$paypal_args['no_shipping'] = 0;
$paypal_args['address_override'] = 1;
else :
$paypal_args['no_shipping'] = 1;
endif;
// Cart Contents
$item_loop = 0;
if (sizeof($order->items)>0) : foreach ($order->items as $item) :
$_product = &new woocommerce_product($item['id']);
if ($_product->exists() && $item['qty']) :
$item_loop++;
$paypal_args['item_name_'.$item_loop] = $_product->get_title();
$paypal_args['quantity_'.$item_loop] = $item['qty'];
$paypal_args['amount_'.$item_loop] = $_product->get_price_excluding_tax();
endif;
endforeach; endif;
// Shipping Cost
$item_loop++;
$paypal_args['item_name_'.$item_loop] = __('Shipping cost', 'woothemes');
$paypal_args['quantity_'.$item_loop] = '1';
$paypal_args['amount_'.$item_loop] = number_format($order->order_shipping, 2);
$paypal_args_array = array();
foreach ($paypal_args as $key => $value) {
$paypal_args_array[] = '';
}
return '';
*/
}
/**
* Process the payment and return the result
**/
function process_payment( $order_id ) {
$order = &new woocommerce_order( $order_id );
return array(
'result' => 'success',
'redirect' => add_query_arg('order', $order->id, add_query_arg('key', $order->order_key, get_permalink(get_option('woocommerce_pay_page_id'))))
);
}
/**
* receipt_page
**/
function receipt_page( $order ) {
/*
echo ''.__('Thank you for your order, please click the button below to pay with PayPal.', 'woothemes').'
';
echo $this->generate_paypal_form( $order );
*/
}
/**
* Check PayPal IPN validity
**/
function check_ipn_request_is_valid() {
/*
// Add cmd to the post array
$_POST['cmd'] = '_notify-validate';
// Send back post vars to paypal
$params = array( 'body' => $_POST );
// Get url
if ( $this->testmode == 'yes' ):
$paypal_adr = $this->testurl;
else :
$paypal_adr = $this->liveurl;
endif;
// Post back to get a response
$response = wp_remote_post( $paypal_adr, $params );
// Clean
unset($_POST['cmd']);
// check to see if the request was valid
if ( !is_wp_error($response) && $response['response']['code'] >= 200 && $response['response']['code'] < 300 && (strcmp( $response['body'], "VERIFIED") == 0)) {
return true;
}
return false;
*/
}
/**
* Check for PayPal IPN Response
**/
function check_ipn_response() {
/*
if (isset($_GET['paypalListener']) && $_GET['paypalListener'] == 'paypal_standard_IPN'):
$_POST = stripslashes_deep($_POST);
if (self::check_ipn_request_is_valid()) :
do_action("valid-paypal-standard-ipn-request", $_POST);
endif;
endif;
*/
}
/**
* Successful Payment!
**/
function successful_request( $posted ) {
/*
// Custom holds post ID
if ( !empty($posted['txn_type']) && !empty($posted['invoice']) ) {
$accepted_types = array('cart', 'instant', 'express_checkout', 'web_accept', 'masspay', 'send_money');
if (!in_array(strtolower($posted['txn_type']), $accepted_types)) exit;
$order = new woocommerce_order( (int) $posted['custom'] );
if ($order->order_key!==$posted['invoice']) exit;
// Sandbox fix
if ($posted['test_ipn']==1 && $posted['payment_status']=='Pending') $posted['payment_status'] = 'completed';
if ($order->status !== 'completed') :
// We are here so lets check status and do actions
switch (strtolower($posted['payment_status'])) :
case 'completed' :
// Payment completed
$order->add_order_note( __('IPN payment completed', 'woothemes') );
$order->payment_complete();
break;
case 'denied' :
case 'expired' :
case 'failed' :
case 'voided' :
// Hold order
$order->update_status('on-hold', sprintf(__('Payment %s via IPN.', 'woothemes'), strtolower(sanitize($posted['payment_status'])) ) );
break;
default:
// No action
break;
endswitch;
endif;
exit;
}
*/
}
}
/**
* Add the gateway to WooCommerce
**/
function add_payfast_gateway( $methods ) {
$methods[] = 'woocommerce_payfast'; return $methods;
}
add_filter( 'woocommerce_payment_gateways', 'add_payfast_gateway' );