Split payments integration

<?php 

/**

 * Process a split payment 

 *

 * @param WC_Order $order the order to process the split payment 

 * @return void

 */

public function process_split_payment( $order ){

    // Track which vendors in the order have been paid

    $vendors_paid  = array();

    $coupons         = $order->get_items( 'coupon' );

    $commission_type = get_option( 'wcvendors_commission_type', '' );

    $commission_rate = get_option( 'wcvendors_vendor_commission_rate', '' );

    /**

     * Process the vendor charges first 

     */

    $vendors_due = WCV_Vendors::get_vendor_dues_from_order( $order, false );

    foreach ( $vendors_due as $vendor_id => $products ) {

        // if this is the admin do nothing. 

        if ( $vendor_id == 1 ) {

            continue;

        }

        $product_admin_fee = 0;

        // Marketplace half of the products commission 

        $total_admin_fee   = 0;

        // Vendor payout total 

        $total             = 0;

        // Get the totals

        foreach ( $products as $key => $product ) {

            $product_owner     = WCVendors_Pro_Vendor_Controller::get_vendor_from_object( $product['product_id'] );

            $product_admin_fee = $vendors_due[1][ $key ]['total'];

            $add_admin_fee     = ( 'percent' != $commission_type && 100 > $commission_rate ) ? true : false;

            if ( empty( $coupons ) || $add_admin_fee ) {

                $total_admin_fee += $product_admin_fee;

            }

            $total += ( $product['total'] + $product_admin_fee );

            unset( $vendors_due[1][ $key ], $vendors_due[ $vendor_id ][ $key ] );

            $vendors_paid[ $vendor_id ][] = array(

                'product_id' => $product['product_id'],

                'order_id'   => $order->get_id(),

            );				

        }

        $cart_fees = $this->get_cart_fees();

        // Cart fees are sent to the marketplace 

        $total_admin_fee += $cart_fees;

        // If there is no commission to pay, skip.

        if ( $total <= 0 ) {

            continue;

        }

        /**

         * You will need to process your split payments to the platform here. 

         * The method here is a dummy method to represent your platforms API 

         * 

         * This is where you would confirm the process was successful 

         */

        $payment = $this->process_platform_split( $total, $total_admin_fee, $order ); 

    }

    /**

     * Process any remaining marketplace charges and 

     * send them to the platform

     */

    $total = 0;

    foreach ( $vendors_due as $vendor_id => $products ) {

        foreach ( $products as $product_id => $product ) {

            $total += $product['total'];

            unset( $vendors_due[ $vendor_id ][ $product_id ] );

        }

    }

    /**

     * You will need to process your remaining marketplace due payments to the platform here. 

     * The method here is a dummy method to represent your platforms API 

     * 

     * This is where you would confirm the process was successful 

     */

    $payment = $this->process_platform_payment( $total, $order ); 

    // Log the commissions paid 

    $this->log_commission( $vendors_paid );

    // Return payment platform response  

    return (object) array(

        'vendors_paid' => $vendors_paid,

    );

}

/**

 * Log the commissions as paid for the vendor

 *

 * @since 2.0.0

 * @param array $vendors_paid

 */

public function log_commission( $vendors_paid ) {

    if ( ! class_exists( 'WCV_Commission' ) ) {

        return;

    }

    foreach ( $vendors_paid as $vendor_id => $products ) {

        foreach ( $products as $product ) {

            WCV_Commission::set_vendor_product_commission_paid(

                $vendor_id,

                $product['product_id'],

                $product['order_id']

            );

        }

    }

}