kilbot/WooCommerce-POS

<?php

/**
 * Provides a Cash Payment Gateway.
 *
 * @class       WCPOS_Gateways_Cash
 * @package     WooCommerce POS
 * @author      Paul Kilmurray <paul@kilbot.com.au>
 * @link        http://www.wcpos.com
 * @extends     WC_Payment_Gateway
 */

namespace WCPOS\Gateways;

use WC_Order;
use WC_Payment_Gateway;
use WCPOS\API;

class Cash extends WC_Payment_Gateway {

    /**
     * Constructor for the gateway.
     */
    public function __construct() {
        $this->id          = 'pos_cash';
        $this->title       = __( 'Cash', 'woocommerce-pos' );
        $this->description = '';
        $this->icon        = apply_filters( 'woocommerce_pos_cash_icon', '' );
        $this->has_fields  = true;

        // Actions
        add_action( 'woocommerce_pos_update_options_payment_gateways_' . $this->id, array(
            $this,
            'process_admin_options'
        ) );
        add_action( 'woocommerce_thankyou_pos_cash', array( $this, 'calculate_change' ) );
    }

    /**
     * Display the payment fields on the checkout modal
     */
    public function payment_fields() {

        if ( $this->description ) {
            echo '<p>' . wp_kses_post( $this->description ) . '</p>';
        }

        $currency_pos = get_option( 'woocommerce_currency_pos' );

        if ( $currency_pos == 'left' || 'left_space' ) {
            $left_addon  = '<span class="input-group-addon">' . get_woocommerce_currency_symbol( get_woocommerce_currency() ) . '</span>';
            $right_addon = '';
        } else {
            $left_addon  = '';
            $right_addon = '<span class="input-group-addon">' . get_woocommerce_currency_symbol( get_woocommerce_currency() ) . '</span>';
        }


        echo '
      <div class="form-row" id="pos-cash-tendered_field">
        <label for="pos-cash-tendered" class="">' . __( 'Amount Tendered', 'woocommerce-pos' ) . '</label>
        <div class="input-group">
        ' . $left_addon . '
          <input type="text" class="form-control" name="pos-cash-tendered" id="pos-cash-tendered" maxlength="20" data-numpad="cash" data-label="' . __( 'Amount Tendered', 'woocommerce-pos' ) . '" data-placement="bottom" data-value="{{total}}">
        ' . $right_addon . '
        </div>
      </div>
    ';

    }

    public function process_payment( $order_id ) {

        // get order object
        $order = new WC_Order( $order_id );

        // update pos_cash data
        $data     = API::get_raw_data();
        $tendered = isset( $data['payment_details']['pos-cash-tendered'] ) ? wc_format_decimal( $data['payment_details']['pos-cash-tendered'] ) : 0;
        $change   = isset( $data['payment_details']['pos-cash-change'] ) ? wc_format_decimal( $data['payment_details']['pos-cash-change'] ) : 0;
        update_post_meta( $order_id, '_pos_cash_amount_tendered', $tendered );
        update_post_meta( $order_id, '_pos_cash_change', $change );

        // payment complete
        $order->payment_complete();

        // Return thankyou redirect
        return array(
            'result' => 'success'
        );
    }

    public function calculate_change( $order_id ) {
        $message  = '';
        $tendered = get_post_meta( $order_id, '_pos_cash_amount_tendered', true );
        $change   = get_post_meta( $order_id, '_pos_cash_change', true );

        // construct message
        if ( $tendered && $change ) {
            $message = __( 'Amount Tendered', 'woocommerce-pos' ) . ': ';
            $message .= wc_price( $tendered ) . '<br>';
            $message .= _x( 'Change', 'Money returned from cash sale', 'woocommerce-pos' ) . ': ';
            $message .= wc_price( $change );
        }

        echo $message;
    }

    static public function payment_details( $order ) {
        return array(
            'tendered' => get_post_meta( $order->id, '_pos_cash_amount_tendered', true ),
            'change'   => get_post_meta( $order->id, '_pos_cash_change', true )
        );
    }

}