woocommerce/includes/shipping/international-delivery/class-wc-shipping-international-delivery.php

<?php

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

/**
 * International Shipping Method based on Flat Rate shipping
 *
 * A simple shipping method for a flat fee per item or per order.
 *
 * @class 		WC_Shipping_International_Delivery
 * @version		2.0.0
 * @package		WooCommerce/Classes/Shipping
 * @author 		WooThemes
 */
class WC_Shipping_International_Delivery extends WC_Shipping_Flat_Rate {

	var $id = 'international_delivery';

	/**
	 * __construct function.
	 *
	 * @access public
	 * @return void
	 */
	public function __construct() {

		$this->id 						= 'international_delivery';
		$this->flat_rate_option			= 'woocommerce_international_delivery_flat_rates';
		$this->method_title				= __( 'International Delivery', 'woocommerce' );
		$this->method_description		= __( 'International delivery based on flat rate shipping.', 'woocommerce' );

		add_action( 'woocommerce_update_options_shipping_' . $this->id, array( $this, 'process_admin_options' ) );
		add_action( 'woocommerce_update_options_shipping_' . $this->id, array( $this, 'process_flat_rates' ) );

		$this->init();
	}


	/**
	 * Initialise Gateway Settings Form Fields
	 *
	 * @access public
	 * @return void
	 */
	public function init_form_fields() {

		$this->form_fields = array(
			'enabled' => array(
							'title'			=> __( 'Enable/Disable', 'woocommerce' ),
							'type'			=> 'checkbox',
							'label'			=> __( 'Enable this shipping method', 'woocommerce' ),
							'default'		=> 'no'
						),
			'title' => array(
							'title' 		=> __( 'Method Title', 'woocommerce' ),
							'type' 			=> 'text',
							'description' 	=> __( 'This controls the title which the user sees during checkout.', 'woocommerce' ),
							'default'		=> __( 'International Delivery', 'woocommerce' ),
							'desc_tip'		=> true,
						),
			'availability' => array(
							'title'			=> __( 'Availability', 'woocommerce' ),
							'type'			=> 'select',
							'description'	=> '',
							'default'		=> 'including',
							'options'		=> array(
								'including'		=> __( 'Selected countries', 'woocommerce' ),
								'excluding'		=> __( 'Excluding selected countries', 'woocommerce' ),
							)
						),
			'countries' => array(
							'title'			=> __( 'Countries', 'woocommerce' ),
							'type'			=> 'multiselect',
							'class'			=> 'chosen_select',
							'css'			=> 'width: 450px;',
							'default'		=> '',
							'options'		=> WC()->countries->get_shipping_countries(),
							'custom_attributes' => array(
								'data-placeholder' => __( 'Select some countries', 'woocommerce' )
							)
						),
			'tax_status' => array(
							'title'			=> __( 'Tax Status', 'woocommerce' ),
							'type'			=> 'select',
							'default'		=> 'taxable',
							'options'		=> array(
								'taxable'	=> __( 'Taxable', 'woocommerce' ),
								'none'		=> _x( 'None', 'Tax status', 'woocommerce' )
							)
						),
			'type' => array(
							'title'			=> __( 'Cost Added...', 'woocommerce' ),
							'type'			=> 'select',
							'default'		=> 'order',
							'options'		=> array(
								'order'		=> __( 'Per Order - charge shipping for the entire order as a whole', 'woocommerce' ),
								'item'		=> __( 'Per Item - charge shipping for each item individually', 'woocommerce' ),
								'class'		=> __( 'Per Class - charge shipping for each shipping class in an order', 'woocommerce' ),
							),
						),
			'cost' => array(
							'title'			=> __( 'Cost', 'woocommerce' ),
							'type' 			=> 'price',
							'placeholder'	=> wc_format_localized_price( 0 ),
							'description'	=> __( 'Cost excluding tax. Enter an amount, e.g. 2.50. Default is 0', 'woocommerce' ),
							'default'		=> '',
							'desc_tip'		=> true
						),
			'fee' => array(
							'title'			=> __( 'Handling Fee', 'woocommerce' ),
							'type'			=> 'text',
							'description'	=> __( 'Fee excluding tax. Enter an amount, e.g. 2.50, or a percentage, e.g. 5%. Leave blank to disable.', 'woocommerce' ),
							'default'		=> '',
							'desc_tip'		=> true,
							'placeholder'	=> __( 'N/A', 'woocommerce' )
						),
			'minimum_fee' => array(
							'title'			=> __( 'Minimum Handling Fee', 'woocommerce' ),
							'type' 			=> 'decimal',
							'description'	=> __( 'Enter a minimum fee amount. Fee\'s less than this will be increased. Leave blank to disable.', 'woocommerce' ),
							'default'		=> '',
							'desc_tip'		=> true,
							'placeholder'	=> __( 'N/A', 'woocommerce' )
						),
			);

	}


	/**
	 * is_available function.
	 *
	 * @access public
	 * @param mixed $package
	 * @return bool
	 */
	public function is_available( $package ) {

		if ( "no" === $this->enabled ) {
			return false;
		}

		if ( 'including' === $this->availability ) {

			if ( is_array( $this->countries ) && ! in_array( $package['destination']['country'], $this->countries ) ) {
				return false;
			}

		} else {

			if ( is_array( $this->countries ) && in_array( $package['destination']['country'], $this->countries ) ) {
				return false;
			}

		}

		return apply_filters( 'woocommerce_shipping_' . $this->id . '_is_available', true, $package );
	}

	/**
	 * calculate_shipping function.
	 *
	 * @access public
	 * @param array $package (default: array())
	 * @return void
	 */
	public function calculate_shipping( $package = array() ) {
		$this->rates = array();

		if ( 'order' === $this->type ) {

			$shipping_total = $this->order_shipping( $package );

			$rate = array(
				'id' 	=> $this->id,
				'label' => $this->title,
				'cost' 	=> $shipping_total ? $shipping_total : 0,
			);

		} elseif ( 'class' === $this->type ) {

			$shipping_total = $this->class_shipping( $package );

			$rate = array(
				'id' 	=> $this->id,
				'label' => $this->title,
				'cost' 	=> $shipping_total ? $shipping_total : 0,
			);

		} elseif ( 'item' === $this->type ) {

			$costs = $this->item_shipping( $package );

			if ( ! is_array( $costs ) ) {
				$costs = array();
			}

			$rate = array(
				'id' 		=> $this->id,
				'label' 	=> $this->title,
				'cost' 		=> $costs,
				'calc_tax' 	=> 'per_item',
			);
		}

		if ( isset( $rate ) ) {
			$this->add_rate( $rate );
		}
	}

}