wpinv_process_paypal_payment()

Complexity

Conditions	11
Paths	18

Size

Total Lines	105
Code Lines	66

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function wpinv_process_paypal_payment( $purchase_data ) {
    if( ! wp_verify_nonce( $purchase_data['gateway_nonce'], 'wpi-gateway' ) ) {
        wp_die( __( 'Nonce verification has failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
    }

    // Collect payment data
    $payment_data = array(
        'price'         => $purchase_data['price'],
        'date'          => $purchase_data['date'],
        'user_email'    => $purchase_data['user_email'],
        'invoice_key'   => $purchase_data['invoice_key'],
        'currency'      => wpinv_get_currency(),
        'items'         => $purchase_data['items'],
        'user_info'     => $purchase_data['user_info'],
        'cart_details'  => $purchase_data['cart_details'],
        'gateway'       => 'paypal',
        'status'        => 'wpi-pending'
    );

    // Record the pending payment
    $invoice = wpinv_get_invoice( $purchase_data['invoice_id'] );

    // Check payment
    if ( ! $invoice ) {
        // Record the error
        wpinv_record_gateway_error( __( 'Payment Error', 'invoicing' ), sprintf( __( 'Payment creation failed before sending buyer to PayPal. Payment data: %s', 'invoicing' ), json_encode( $payment_data ) ), $invoice );
        // Problems? send back
        wpinv_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['wpi-gateway'] );
    } else {
        // Only send to PayPal if the pending payment is created successfully
        $listener_url = wpinv_get_ipn_url( 'paypal' );

        // Get the success url
        $return_url = add_query_arg( array(
                'payment-confirm' => 'paypal',
                'invoice-id'      => $invoice->ID,
                'utm_nooverride'  => 1
            ), get_permalink( wpinv_get_option( 'success_page', false ) ) );

It seems like wpinv_get_option('success_page', false) can also be of type false; however, parameter $post of get_permalink() does only seem to accept WP_Post|integer, maybe add an additional type check?

        // Get the PayPal redirect uri
        $paypal_redirect = wpinv_get_paypal_redirect();

        // Setup PayPal arguments
        $paypal_args = array(
            'cmd'           => '_cart',
            'upload'        => '1',
            'business'      => wpinv_get_option( 'paypal_email', false ),
            'email'         => $invoice->get_email(),
            'first_name'    => $invoice->get_first_name(),
            'last_name'     => $invoice->get_last_name(),
            'invoice'       => $invoice->get_key(),
            'no_shipping'   => '1',
            'shipping'      => '0',
            'no_note'       => '1',
            'currency_code' => $invoice->get_currency(),
            'charset'       => get_bloginfo( 'charset' ),
            'custom'        => $invoice->ID,
            'rm'            => is_ssl() ? 2 : 1,
            'return'        => esc_url_raw( $return_url ),
            'cancel_return' => $invoice->get_checkout_payment_url(),
            'notify_url'    => $listener_url,
            'cbt'           => get_bloginfo( 'name' ),
            'bn'            => 'WPInvoicing_SP',
        );

        // Add cart items
        $i = 1;
        if( is_array( $purchase_data['cart_details'] ) && ! empty( $purchase_data['cart_details'] ) ) {
            foreach ( $purchase_data['cart_details'] as $item ) {
                $item['quantity'] = $item['quantity'] > 0 ? $item['quantity'] : 1;
                $item_amount = wpinv_sanitize_amount( $item['subtotal'] / $item['quantity'], 2 );

                if ( $item_amount <= 0 ) {
                    $item_amount = 0;
                }

                $paypal_args['item_number_' . $i ]      = $item['id'];
                $paypal_args['item_name_' . $i ]        = stripslashes_deep( html_entity_decode( wpinv_get_cart_item_name( $item ), ENT_COMPAT, 'UTF-8' ) );
                $paypal_args['quantity_' . $i ]         = $item['quantity'];
                $paypal_args['amount_' . $i ]           = $item_amount;
                $paypal_args['discount_amount_' . $i ]  = wpinv_sanitize_amount( $item['discount'], 2 );

                $i++;
            }
        }

        // Add taxes to the cart
        if ( wpinv_use_taxes() && $invoice->is_taxable() ) {
            $paypal_args['tax_cart'] = wpinv_sanitize_amount( (float) $invoice->get_tax(), 2 );
        }

        $paypal_args = apply_filters( 'wpinv_paypal_args', $paypal_args, $purchase_data, $invoice );

        // Build query
        $paypal_redirect .= http_build_query( $paypal_args );

        // Fix for some sites that encode the entities
        $paypal_redirect = str_replace( '&amp;', '&', $paypal_redirect );

        // Get rid of cart contents
        wpinv_empty_cart();
        
        // Redirect to PayPal
        wp_redirect( $paypal_redirect );
        exit;

Using exit here is not recommended.

    }
add_filter( 'wpinv_gateway_paypal_button_label', 'wpinv_gateway_paypal_button_label', 10, 1 );