552 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			552 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Tax Functions
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|  *
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|  * These are functions used for checking if taxes are enabled, calculating taxes, etc.
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|  * Functions for retrieving tax amounts and such for individual payments are in
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|  * includes/payment-functions.php and includes/cart-functions.php
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|  *
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|  * @package     EDD
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|  * @subpackage  Functions/Taxes
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|  * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
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|  * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
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|  * @since       1.3.3
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|  */
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| 
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| // Exit if accessed directly
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| defined( 'ABSPATH' ) || exit;
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| 
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| /**
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|  * Checks if taxes are enabled by using the option set from the EDD Settings.
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|  * The value returned can be filtered.
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|  *
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|  * @since 1.3.3
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|  *
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|  * @return bool True if taxes are enabled, false otherwise..
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|  */
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| function edd_use_taxes() {
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| 	$ret = edd_get_option( 'enable_taxes', false );
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| 
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| 	return (bool) apply_filters( 'edd_use_taxes', $ret );
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| }
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| 
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| /**
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|  * Retrieve tax rates
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|  *
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|  * @since 1.6
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|  * @since 3.0 Updated to use new query class.
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|  *            Added $output parameter to output an array of EDD\Adjustments\Adjustment objects, if set to `object`.
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|  *            Added $args parameter.
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|  *
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|  * @param array  $args   Query arguments
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|  * @param string $output Optional. Type of data to output. Any of ARRAY_N | OBJECT.
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|  *
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|  * @return array|\EDD\Adjustments\Adjustment[] Tax rates.
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|  */
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| function edd_get_tax_rates( $args = array(), $output = ARRAY_N ) {
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| 
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| 	if ( isset( $args['status'] ) && 'active' === $args['status'] ) {
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| 		add_filter( 'edd_adjustments_query_clauses', 'edd_active_tax_rates_query_clauses' );
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| 	}
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| 
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| 	// Instantiate a query object
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| 	$adjustments = new EDD\Database\Queries\Adjustment();
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| 
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| 	// Parse args
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| 	$r = wp_parse_args( $args, array(
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| 		'number'  => 30,
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| 		'type'    => 'tax_rate',
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| 		'orderby' => 'date_created',
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| 		'order'   => 'ASC',
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| 	) );
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| 
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| 	if ( isset( $args['status'] ) && 'active' === $args['status'] ) {
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| 		remove_filter( 'edd_adjustments_query_clauses', 'edd_active_tax_rates_query_clauses' );
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| 	}
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| 
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| 	$adjustments->query( $r );
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| 
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| 	if ( OBJECT === $output ) {
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| 		return $adjustments->items;
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| 	}
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| 
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| 	$rates = array();
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| 
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| 	if ( $adjustments->items ) {
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| 		foreach ( $adjustments->items as $tax_rate ) {
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| 			$rate = array(
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| 				'id'      => absint( $tax_rate->id ),
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| 				'country' => esc_attr( $tax_rate->name ),
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| 				'rate'    => floatval( $tax_rate->amount ),
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| 				'state'   => '',
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| 				'global'  => '1',
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| 				'status'  => esc_attr( $tax_rate->status ),
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| 				'scope'   => esc_attr( $tax_rate->scope ),
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| 			);
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| 
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| 			if ( ! empty( $tax_rate->description ) ) {
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| 				$rate['state'] = esc_attr( $tax_rate->description );
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| 			}
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| 
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| 			if ( 'region' === $tax_rate->scope ) {
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| 				$rate['global'] = '0';
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| 			}
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| 
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| 			$rates[] = $rate;
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| 		}
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| 	}
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| 
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| 	return (array) apply_filters( 'edd_get_tax_rates', $rates );
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| }
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| 
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| /**
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|  * Query for and return array of tax rates counts, keyed by status.
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|  *
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|  * @since 3.0
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|  *
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|  * @return array
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|  */
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| function edd_get_tax_rate_counts( $args = array() ) {
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| 
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| 	// Parse arguments
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| 	$r = wp_parse_args( $args, array(
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| 		'count'   => true,
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| 		'groupby' => 'status',
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| 		'type'    => 'tax_rate'
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| 	) );
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| 
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| 	// Query for count.
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| 	$counts = new EDD\Database\Queries\Adjustment( $r );
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| 
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| 	// Format & return
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| 	return edd_format_counts( $counts, $r['groupby'] );
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| }
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| 
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| /**
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|  * Add a WHERE clause to ensure only active tax rates are returned.
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|  *
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|  * @since 3.0
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|  *
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|  * @param array $clauses Query clauses.
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|  * @return array $clauses Updated query clauses.
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|  */
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| function edd_active_tax_rates_query_clauses( $clauses ) {
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| 	$date = \Carbon\Carbon::now( edd_get_timezone_id() )->toDateTimeString();
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| 
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| 	$clauses['where'] .= "
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| 		AND ( start_date < '{$date}' OR start_date IS NULL )
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| 		AND ( end_date > '{$date}' OR end_date IS NULL )
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| 	";
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| 
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| 	return $clauses;
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| }
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| 
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| /**
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|  * Get taxation rate.
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|  *
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|  * @since 1.3.3
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|  * @since 3.0 Refactored to work with custom tables and start and end dates.
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|  *            Renamed $state parameter to $region.
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|  *            Added $fallback parameter to only get rate for passed Country and Region.
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|  *
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|  * @param string  $country Country.
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|  * @param string  $region  Region.
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|  * @param boolean $fallback Fall back to (in order): server $_POST data, the current Customer's
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|  *                          address information, then your store's Business Country setting.
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|  *                          Default true.
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|  *
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|  * @return float
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|  */
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| function edd_get_tax_rate( $country = '', $region = '', $fallback = true ) {
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| 
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| 	// Get the address, to try to get the tax rate
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| 	$user_address = edd_get_customer_address();
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| 
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| 	$address_line_1 = ! empty( $_POST['card_address'] )
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| 		? sanitize_text_field( $_POST['card_address'] )
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| 		: '';
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| 
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| 	$address_line_2 = ! empty( $_POST['card_address_2'] )
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| 		? sanitize_text_field( $_POST['card_address_2'] )
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| 		: '';
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| 
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| 	$city = ! empty( $_POST['card_city'] )
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| 		? sanitize_text_field( $_POST['card_city'] )
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| 		: '';
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| 
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| 	$zip = ! empty( $_POST['card_zip'] )
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| 		? sanitize_text_field( $_POST['card_zip'] )
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| 		: '';
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| 
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| 	// Country
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| 	if ( empty( $country ) && true === $fallback ) {
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| 		if ( ! empty( $_POST['billing_country'] ) ) {
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| 			$country = $_POST['billing_country'];
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| 		} elseif ( is_user_logged_in() && ! empty( $user_address['country'] ) ) {
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| 			$country = $user_address['country'];
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| 		}
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| 
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| 		$country = empty( $country )
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| 			? edd_get_shop_country()
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| 			: $country;
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| 	}
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| 
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| 	// Region
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| 	if ( empty( $region ) && true === $fallback ) {
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| 		if ( ! empty( $_POST['state'] ) ) {
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| 			$region = $_POST['state'];
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| 		} elseif ( ! empty( $_POST['card_state'] ) ) {
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| 			$region = $_POST['card_state'];
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| 		} elseif ( is_user_logged_in() && ! empty( $user_address['state'] ) ) {
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| 			$region = $user_address['state'];
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| 		}
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| 
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| 		$region = empty( $region )
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| 			? edd_get_shop_state()
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| 			: $region;
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| 	}
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| 
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| 	$tax_rate = edd_get_tax_rate_by_location(
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| 		array(
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| 			'country' => $country,
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| 			'region'  => $region,
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| 		)
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| 	);
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| 
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| 	$rate = $tax_rate ? $tax_rate->amount : 0.00;
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| 
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| 	// Convert to a number we can use
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| 	$rate = $rate / 100;
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| 
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| 	/**
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| 	 * Allow the tax rate to be filtered.
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| 	 *
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| 	 * @since 1.3.3
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| 	 * @since 3.0 Added entire customer address.
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| 	 *
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| 	 * @param float  $rate           Calculated tax rate.
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| 	 * @param string $country        Country.
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| 	 * @param string $region         Region.
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| 	 * @param string $address_line_1 First line of address.
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| 	 * @param string $address_line_2 Second line of address.
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| 	 * @param string $city           City.
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| 	 * @param string $zip            ZIP code.
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| 	 */
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| 	return apply_filters( 'edd_tax_rate', $rate, $country, $region, $address_line_1, $address_line_2, $city, $zip );
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| }
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| 
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| /**
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|  * Retrieve a fully formatted tax rate
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|  *
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|  * @since 1.9
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|  * @param string $country The country to retrieve a rate for
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|  * @param string $state The state to retrieve a rate for
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|  * @return string Formatted rate
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|  */
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| function edd_get_formatted_tax_rate( $country = false, $state = false ) {
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| 	$rate      = edd_get_tax_rate( $country, $state );
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| 	$rate      = round( $rate * 100, 4 );
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| 	$formatted = $rate .= '%';
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| 
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| 	return apply_filters( 'edd_formatted_tax_rate', $formatted, $rate, $country, $state );
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| }
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| 
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| /**
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|  * Calculate the taxed amount.
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|  *
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|  * @since 1.3.3
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|  * @since 3.0 Renamed $state parameter to $region.
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|  *            Added $fallback parameter.
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|  *            Added `$tax_rate` parameter.
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|  *
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|  * @param float      $amount   Amount.
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|  * @param string     $country  Country. Default base country.
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|  * @param string     $region   Region. Default base region.
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|  * @param boolean    $fallback Fall back to (in order): server $_POST data, the current Customer's
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|  *                             address information, then your store's Business Country setting.
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|  *                             Default true.
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|  * @param null|float $tax_rate Tax rate to use for the calculataion. If `null`, the rate is retrieved using
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|  *                             `edd_get_tax_rate()`.
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|  *
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|  * @return float $tax Taxed amount.
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|  */
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| function edd_calculate_tax( $amount = 0.00, $country = '', $region = '', $fallback = true, $tax_rate = null ) {
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| 	$rate = ( null === $tax_rate ) ? edd_get_tax_rate( $country, $region, $fallback ) : $tax_rate;
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| 	$tax  = 0.00;
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| 
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| 	if ( edd_use_taxes() && $amount > 0 ) {
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| 
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| 		if ( edd_prices_include_tax() ) {
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| 			$pre_tax = ( $amount / ( 1 + $rate ) );
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| 			$tax     = $amount - $pre_tax;
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| 		} else {
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| 			$tax = $amount * $rate;
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Filter the taxed amount.
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| 	 *
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| 	 * @since 1.5.3
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| 	 *
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| 	 * @param float $tax      Taxed amount.
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| 	 * @param float $rate     Tax rate applied.
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| 	 * @param string $country Country.
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| 	 * @param string $region  Region.
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| 	 */
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| 	return apply_filters( 'edd_taxed_amount', $tax, $rate, $country, $region );
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| }
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| 
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| /**
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|  * Returns the formatted tax amount for the given year
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|  *
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|  * @since 1.3.3
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|  * @param $year int The year to retrieve taxes for, i.e. 2012
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|  * @uses edd_get_sales_tax_for_year()
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|  * @return void
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|  */
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| function edd_sales_tax_for_year( $year = null ) {
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| 	echo edd_currency_filter( edd_format_amount( edd_get_sales_tax_for_year( $year ) ) );
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| }
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| 
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| /**
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|  * Gets the sales tax for the given year
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|  *
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|  * @since 1.3.3
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|  * @param $year int The year to retrieve taxes for, i.e. 2012
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|  * @uses edd_get_payment_tax()
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|  * @return float $tax Sales tax
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|  */
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| function edd_get_sales_tax_for_year( $year = null ) {
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| 	global $wpdb;
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| 
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| 	// Start at zero
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| 	$tax = 0;
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| 
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| 	if ( ! empty( $year ) ) {
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| 		$year = absint( $year );
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| 
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| 		$tax = $wpdb->get_var( $wpdb->prepare( "SELECT SUM(tax) FROM {$wpdb->edd_orders} WHERE status IN('complete', 'revoked') AND YEAR(date_created) = %d", $year ) );
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| 	}
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| 
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| 	if ( ! $tax || is_null( $tax ) ) {
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| 		$tax = 0.00;
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| 	}
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| 
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| 	// Filter & return
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| 	return (float) apply_filters( 'edd_get_sales_tax_for_year', $tax, $year );
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| }
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| 
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| /**
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|  * Is the cart taxed?
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|  *
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|  * This used to include a check for local tax opt-in, but that was ripped out in v1.6, so this is just a wrapper now
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|  *
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|  * @since 1.5
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|  * @return bool
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|  */
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| function edd_is_cart_taxed() {
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| 	return edd_use_taxes();
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| }
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| 
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| /**
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|  * Check if the individual product prices include tax
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|  *
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|  * @since 1.5
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|  * @return bool $include_tax
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|  */
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| function edd_prices_include_tax() {
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| 	$ret = ( edd_get_option( 'prices_include_tax', false ) === 'yes' && edd_use_taxes() );
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| 
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| 	return apply_filters( 'edd_prices_include_tax', $ret );
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| }
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| 
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| /**
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|  * Checks whether the user has enabled display of taxes on the checkout
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|  *
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|  * @since 1.5
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|  * @return bool $include_tax
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|  */
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| function edd_prices_show_tax_on_checkout() {
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| 	$ret = ( edd_get_option( 'checkout_include_tax', false ) === 'yes' && edd_use_taxes() );
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| 
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| 	return apply_filters( 'edd_taxes_on_prices_on_checkout', $ret );
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| }
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| 
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| /**
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|  * Check to see if we should show included taxes
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|  *
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|  * Some countries (notably in the EU) require included taxes to be displayed.
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|  *
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|  * @since 1.7
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|  * @author Daniel J Griffiths
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|  * @return bool
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|  */
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| function edd_display_tax_rate() {
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| 	$ret = edd_use_taxes() && edd_get_option( 'display_tax_rate', false );
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| 
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| 	return apply_filters( 'edd_display_tax_rate', $ret );
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| }
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| 
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| /**
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|  * Should we show address fields for taxation purposes?
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|  *
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|  * @since 1.y
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|  * @return bool
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|  */
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| function edd_cart_needs_tax_address_fields() {
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| 
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| 	if ( ! edd_is_cart_taxed() ) {
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| 		return false;
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| 	}
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| 
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| 	return ! did_action( 'edd_after_cc_fields', 'edd_default_cc_address_fields' );
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| }
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| 
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| /**
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|  * Is this Download excluded from tax?
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|  *
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|  * @since 1.9
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|  * @return bool
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|  */
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| function edd_download_is_tax_exclusive( $download_id = 0 ) {
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| 	$ret = (bool) get_post_meta( $download_id, '_edd_download_tax_exclusive', true );
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| 
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| 	return (Bool) apply_filters( 'edd_download_is_tax_exclusive', $ret, $download_id );
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| }
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| 
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| /**
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|  * Gets the tax rate object from the database for a given country / region.
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|  * Used in `edd_get_tax_rate`, `edd_build_order`, `edd_add_manual_order`.
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|  * If a regional tax rate is found, it will be returned immediately,
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|  * so rates with a scope of `country` may be overridden by a more specific rate.
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|  *
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|  * @param array $args {
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|  *     Country and, optionally, region to get the tax rate for.
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|  *
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|  *     @type string $country Required - country to check.
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|  *     @type string $region  Optional - check a specific region within the country.
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|  * }
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|  * @return \EDD\Database\Rows\Adjustment|false
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|  *
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|  * @since 3.0
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|  */
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| function edd_get_tax_rate_by_location( $args ) {
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| 
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| 	$rate      = false;
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| 	$tax_rates = array();
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| 
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| 	// Fetch all the active country tax rates from the database.
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| 	// The region is not passed in deliberately in order to check for country-wide tax rates.
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| 	if ( ! empty( $args['country'] ) ) {
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| 		$tax_rates = edd_get_tax_rates(
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| 			array(
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| 				'name'   => $args['country'],
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| 				'status' => 'active',
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| 			),
 | |
| 			OBJECT
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| 		);
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| 	}
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| 
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| 	if ( ! empty( $tax_rates ) ) {
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| 		foreach ( $tax_rates as $tax_rate ) {
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| 
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| 			// Regional tax rate.
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| 			if ( ! empty( $args['region'] ) && ! empty( $tax_rate->description ) && 'region' === $tax_rate->scope ) {
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| 				if ( strtolower( $args['region'] ) !== strtolower( $tax_rate->description ) ) {
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| 					continue;
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| 				}
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| 
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| 				// A tax rate matching the region/description was found, so return it.
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| 				return $tax_rate;
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| 			} elseif ( 'country' === $tax_rate->scope ) {
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| 				// Countrywide tax rate.
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| 				$rate = $tax_rate;
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| 			}
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| 		}
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| 
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| 		if ( $rate ) {
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| 			return $rate;
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| 		}
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| 	}
 | |
| 
 | |
| 	// No regional or country rate was found, so look for a global rate.
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| 	$global_rates = edd_get_tax_rates(
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| 		array(
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| 			'name'   => '',
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| 			'scope'  => 'global',
 | |
| 			'status' => 'active',
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| 		),
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| 		OBJECT
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| 	);
 | |
| 
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| 	return ! empty( $global_rates ) ? reset( $global_rates ) : $rate;
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| }
 | |
| 
 | |
| /**
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|  * Clears the tax rate cache prior to displaying the cart.
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|  * This fixes potential issues with custom tax rates / rate filtering from after we added
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|  * tax rate caching logic.
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|  *
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|  * @link https://github.com/easydigitaldownloads/easy-digital-downloads/pull/8509#issuecomment-926576698
 | |
|  *
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|  * @since 3.0
 | |
|  */
 | |
| add_action( 'edd_before_checkout_cart', function () {
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| 	EDD()->cart->set_tax_rate( null );
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| } );
 | |
| 
 | |
| /**
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|  * Adds a tax rate to the database.
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|  * If an active tax rate is found, it's demoted to inactive and the new one is added.
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|  *
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|  * @since 3.0.3
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|  * @param array $data The array of data to create the tax rate.
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|  * @return int|false Returns the tax rate ID if one is added; otherwise false.
 | |
|  */
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| function edd_add_tax_rate( $data = array() ) {
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| 	$data = wp_parse_args(
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| 		$data,
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| 		array(
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| 			'name'        => '',
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| 			'description' => '',
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| 			'status'      => 'active',
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| 		)
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| 	);
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| 
 | |
| 	// The type and amount type for tax rates cannot be overridden.
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| 	$data['type']        = 'tax_rate';
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| 	$data['amount_type'] = 'percent';
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| 
 | |
| 	if ( empty( $data['scope'] ) ) {
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| 		$scope = 'country';
 | |
| 		if ( empty( $data['name'] ) && empty( $data['description'] ) ) {
 | |
| 			$scope = 'global';
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| 		} elseif ( ! empty( $data['name'] ) && ! empty( $data['description'] ) ) {
 | |
| 			$scope = 'region';
 | |
| 		}
 | |
| 		$data['scope'] = $scope;
 | |
| 	}
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| 
 | |
| 	// Check if the tax rate exists.
 | |
| 	$data_to_check = array(
 | |
| 		'type'        => 'tax_rate',
 | |
| 		'fields'      => 'ids',
 | |
| 		'status'      => 'active',
 | |
| 		'name'        => $data['name'],
 | |
| 		'description' => $data['description'],
 | |
| 		'scope'       => $data['scope'],
 | |
| 	);
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| 
 | |
| 	// Query for potentially matching active rates.
 | |
| 	$tax_rate_exists = edd_get_adjustments( $data_to_check );
 | |
| 	$tax_rate_id     = edd_add_adjustment( $data );
 | |
| 
 | |
| 	// If the new tax rate was successfully added, set the old one to inactive.
 | |
| 	if ( $tax_rate_id && ! empty( $tax_rate_exists ) ) {
 | |
| 		edd_update_adjustment( $tax_rate_exists[0], array( 'status' => 'inactive' ) );
 | |
| 	}
 | |
| 
 | |
| 	return $tax_rate_id;
 | |
| }
 |