Add price with a custom checkbox

Add price with a custom checkbox

class Add_Custom_Fee_On_Change_Checkbox { 

	private $field_lable = 'Shipping Way Fee';
	private $checkout_fields = [
		'shipping_way_0' => [
			'label' => 'Your label here',
			'price' => 10
		],
	];

	public function __construct() {

		add_filter( 'wfacp_advanced_fields', [ $this, 'add_field' ], 20 );
		add_filter( 'wfacp_html_fields_wfacp_shipping_option_fee', '__return_false' );
		add_action( 'process_wfacp_html', [ $this, 'display_field' ], 10, 3 );


		add_action( 'woocommerce_cart_calculate_fees', [ $this, 'custom_fee_based_on_cart_total' ], 10, 1 );

		add_action( 'wfacp_internal_css', [ $this, 'wfacp_add_fee_script' ] );

	}


	public function add_field() {
		$fields['wfacp_shipping_option_fee'] = [
			'type'       => 'wfacp_html',
			'class'      => [ 'wfacp-col-full', 'wfacp-form-control-wrapper', 'wfacp_shipping_option_fee' ],
			'id'         => 'wfacp_shipping_option_fee',
			'field_type' => 'wfacp_shipping_option_fee',
			'label'      => __( 'Shipping Options', 'woofunnels-aero-checkout' ),
		];

		return $fields;
	}

	public function display_field( $field, $key ) {

		if ( empty( $key ) || 'wfacp_shipping_option_fee' !== $key ) {
			return '';
		}


		$args = array(
			'id'                            => 'shipping_way',
			'label'                         => $this->field_lable,
			'data_label'                    => $this->field_lable,
			'placeholder'                   => '',
			'cssready'                      => [
				'wfacp-col-full '
			],
			'type'                          => 'checkbox',
			'required'                      => false,
			'options'                       => [],
			'default'                       => '',
			'show_custom_field_at_thankyou' => false,
			'show_custom_field_at_email'    => false,
			'is_wfacp_field'                => true,
			'field_type'                    => 'advanced',
			'allow_delete'                  => true,
			'class'                         => [
				'wfacp-form-control-wrapper',
				'wfacp-col-full',
				'wfacp_checkbox_field'
			],
			'input_class'                   => [ 'wfacp-form-control' ],
			'label_class'                   => [],
		);


		?>
        <div class="wfacp_shipping_option_fee" id="wfacp_shipping_option_fee">
			<?php
			for ( $i = 0; $i < 1; $i ++ ) {
				$args['id']         = 'shipping_way' . '_' . $i;
				$args['label']      = $this->checkout_fields[ 'shipping_way_' . $i ]['label'];
				$args['data_label'] = $this->checkout_fields[ 'shipping_way_' . $i ]['label'];

				woocommerce_form_field( $args['id'], $args );
			}
			?>
        </div>
		<?php

	}


	public function wfacp_add_fee_script() {
		$field_name = $this->checkout_fields;
		$fields     = json_encode( $this->checkout_fields );
		?>

        <style>
            body #wfacp-e-form #wfacp_shipping_option_fee {
                clear: both;
            }


            body #wfacp-e-form #wfacp_shipping_option_fee * {
                line-height: 1.5 !important;
            }

            body #wfacp-e-form #wfacp_shipping_option_fee span.woocommerce-input-wrapper {
                display: block;
            }


        </style>

        <script>
            window.addEventListener('load', function () {


                (function ($) {
                    var fields =<?php echo $fields;?>;

                    $.each(fields, function (field, values) {


                        $(document.body).on('change', 'input[type=checkbox][name=' + field + ']', function () {
                            $('body').trigger('update_checkout');

                        });
                    });


                })(jQuery);
            });
        </script>

		<?php
	}

	function custom_fee_based_on_cart_total( $cart ) {
		if ( is_ajax() && ! empty( $_POST['post_data'] ) ) {
			parse_str( $_POST['post_data'], $post_data );
		} else {
			$post_data = $_POST;
		}


		foreach ( $this->checkout_fields as $field => $value ) {
			if ( isset( $post_data[ $field ] ) && ! empty( $post_data[ $field ] ) ) {
				$fee_name = $field;
				if ( ! empty( $value['price'] ) && is_numeric( $value['price'] ) ) {
					$amount    = $value['price'];
					$fee_label = $value['label'];


					$cart->add_fee( $fee_label, $amount, false );
				}
			}
		}


	}
}

new Add_Custom_Fee_On_Change_Checkbox();