WC_Ya_delivery_Picpoint

class WC_Ya_delivery_Picpoint extends WC_Shipping_Method {
	
	public function __construct( $instance_id = 0 ) {
		$this->id           = 'ya_delivery_picpoint';
		$this->method_title = 'Яндекс.Доставка - Самовывоз';
		$this->instance_id  = absint( $instance_id );
		$this->supports     = array(
			'shipping-zones',
			'instance-settings',
		);
		$this->init();
	}
	
	public function init() {
		$this->init_form_fields();
		$this->init_settings();
		$this->enabled = $this->get_option( 'enabled' );
		$this->title   = $this->get_option( 'title' );
		add_action( 'woocommerce_update_options_shipping_' . $this->id, array( $this, 'process_admin_options' ) );
	}
	
	public function init_form_fields() {
		$this->instance_form_fields = array(
			'enabled' => array(
				'title'   => __( 'Enable/Disable', 'woocommerce' ),
				'type'    => 'checkbox',
				'label'   => 'Включить Яндекс.Доставку - Самовывоз',
				'default' => 'yes',
			),
			'title'   => array(
				'title'       => __( 'Method Title', 'woocommerce' ),
				'type'        => 'text',
				'description' => '',
				'default'     => 'Яндекс.Доставка - Самовывоз',
			),
		);
	}

	public function calculate_shipping( $package = array() ) {
		if ( is_cart() ) {
			return;
		}
		global $product;
		$dimensions = 0;
		$length = 0;
		$width = 0;
		$height = 0;
		foreach ( $package['contents'] as $item_id => $values ) {
			$product = $values['data'];
			$dimensions = $dimensions +
			              ( ( $product->length * $values['quantity'] ) * $product->width * $product->height );
			$length = $product->length * $values['quantity'];
			$width = $product->width * $values['quantity'];
			$height = $product->height * $values['quantity'];
		}
		$default_weight = ( WC()->cart->cart_contents_weight != 0 ) ? WC()->cart->cart_contents_weight : 0.1;
		$default_length = ( $length != 0 ) ? $length : 7;
		$default_width = ( $width != 0 ) ? $width : 7;
		$default_height = ( $height != 0 ) ? $height : 6;
		$default_country = ( WC()->customer->get_default_country() == 'RU' ) ? 'Москва' : '';
		$default_index_city = isset( $package['destination']['postcode'] ) ? $package['destination']['postcode'] : '';
		$args          = array(
			'city_from'       => $default_country,
			'city_to'         => WC()->customer->get_shipping_city(),
			'weight'          => $default_weight,
			'length'          => $default_length,
			'width'           => $default_width,
			'height'          => $default_height,
			'geo_id_to'       => '',
			'index_city'      => $default_index_city,
			'assessed_value'  => '',
			'order_cost'      => '',
			'total_cost'      => '',
			'delivery_type'   => 'pickup',
			'to_yd_warehouse' => '',
		);
		$response_body = new Ya_delivery_search_list( $args );
		$delivery_list = $response_body->get_delivery_list_request()['data'];
		foreach ( $delivery_list as $key ) {
			$this->add_rate( array(
				'id'    => $key['tariffId'],
				'label' => $key['delivery']['name'],
				'cost'  => $key['cost'],
			) );
		}
	}
}