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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* Performs tax calculations and loads tax rates
*
* @class WC_Tax
* @version 2.2.0
* @package WooCommerce/Classes
* @category Class
* @author WooThemes
*/
class WC_Tax {
/**
* Precision.
*
* @var int
*/
public static $precision;
/**
* Round at subtotal.
*
* @var bool
*/
public static $round_at_subtotal;
/**
* Load options.
*
* @access public
*/
public static function init() {
self::$precision = wc_get_rounding_precision();
self::$round_at_subtotal = 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' );
add_action( 'update_option_woocommerce_tax_classes', array( __CLASS__, 'maybe_remove_tax_class_rates' ), 10, 2 );
}
/**
* When the woocommerce_tax_classes option is changed, remove any orphan rates.
* @param string $old_value
* @param string $value
*/
public static function maybe_remove_tax_class_rates( $old_value, $value ) {
$old = array_filter( array_map( 'trim', explode( "\n", $old_value ) ) );
$new = array_filter( array_map( 'trim', explode( "\n", $value ) ) );
$removed = array_filter( array_map( 'sanitize_title', array_diff( $old, $new ) ) );
if ( $removed ) {
global $wpdb;
foreach ( $removed as $removed_tax_class ) {
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_class = %s;", $removed_tax_class ) );
$wpdb->query( "DELETE locations FROM {$wpdb->prefix}woocommerce_tax_rate_locations locations LEFT JOIN {$wpdb->prefix}woocommerce_tax_rates rates ON rates.tax_rate_id = locations.tax_rate_id WHERE rates.tax_rate_id IS NULL;" );
}
WC_Cache_Helper::incr_cache_prefix( 'taxes' );
}
}
/**
* Calculate tax for a line.
* @param float $price Price to calc tax on
* @param array $rates Rates to apply
* @param boolean $price_includes_tax Whether the passed price has taxes included
* @param boolean $suppress_rounding Whether to suppress any rounding from taking place
* @return array Array of rates + prices after tax
*/
public static function calc_tax( $price, $rates, $price_includes_tax = false, $suppress_rounding = false ) {
// Work in pence to X precision
$price = self::precision( $price );
if ( $price_includes_tax ) {
$taxes = self::calc_inclusive_tax( $price, $rates );
} else {
$taxes = self::calc_exclusive_tax( $price, $rates );
}
// Round to precision
if ( ! self::$round_at_subtotal && ! $suppress_rounding ) {
$taxes = array_map( 'round', $taxes ); // Round to precision
}
// Remove precision
$price = self::remove_precision( $price );
$taxes = array_map( array( __CLASS__, 'remove_precision' ), $taxes );
return apply_filters( 'woocommerce_calc_tax', $taxes, $price, $rates, $price_includes_tax, $suppress_rounding );
}
/**
* Calculate the shipping tax using a passed array of rates.
*
* @param float Price
* @param array Taxation Rate
* @return array
*/
public static function calc_shipping_tax( $price, $rates ) {
$taxes = self::calc_exclusive_tax( $price, $rates );
return apply_filters( 'woocommerce_calc_shipping_tax', $taxes, $price, $rates );
}
/**
* Multiply cost by pow precision.
* @param float $price
* @return float
*/
private static function precision( $price ) {
return $price * ( pow( 10, self::$precision ) );
}
/**
* Divide cost by pow precision.
* @param float $price
* @return float
*/
private static function remove_precision( $price ) {
return $price / ( pow( 10, self::$precision ) );
}
/**
* Round to precision.
*
* Filter example: to return rounding to .5 cents you'd use:
*
* function euro_5cent_rounding( $in ) {
* return round( $in / 5, 2 ) * 5;
* }
* add_filter( 'woocommerce_tax_round', 'euro_5cent_rounding' );
*
* @param float|int $in
*
* @return float
*/
public static function round( $in ) {
return apply_filters( 'woocommerce_tax_round', round( $in, self::$precision ), $in );
}
/**
* Calc tax from inclusive price.
*
* @param float $price
* @param array $rates
* @return array
*/
public static function calc_inclusive_tax( $price, $rates ) {
$taxes = array();
$regular_tax_rates = $compound_tax_rates = 0;
foreach ( $rates as $key => $rate ) {
if ( 'yes' === $rate['compound'] ) {
$compound_tax_rates = $compound_tax_rates + $rate['rate'];
} else {
$regular_tax_rates = $regular_tax_rates + $rate['rate'];
}
}
$regular_tax_rate = 1 + ( $regular_tax_rates / 100 );
$compound_tax_rate = 1 + ( $compound_tax_rates / 100 );
$non_compound_price = $price / $compound_tax_rate;
foreach ( $rates as $key => $rate ) {
if ( ! isset( $taxes[ $key ] ) ) {
$taxes[ $key ] = 0;
}
$the_rate = $rate['rate'] / 100;
if ( 'yes' === $rate['compound'] ) {
$the_price = $price;
$the_rate = $the_rate / $compound_tax_rate;
} else {
$the_price = $non_compound_price;
$the_rate = $the_rate / $regular_tax_rate;
}
$net_price = $price - ( $the_rate * $the_price );
$tax_amount = $price - $net_price;
$taxes[ $key ] += apply_filters( 'woocommerce_price_inc_tax_amount', $tax_amount, $key, $rate, $price );
}
return $taxes;
}
/**
* Calc tax from exclusive price.
*
* @param float $price
* @param array $rates
* @return array
*/
public static function calc_exclusive_tax( $price, $rates ) {
$taxes = array();
if ( ! empty( $rates ) ) {
// Multiple taxes
foreach ( $rates as $key => $rate ) {
if ( 'yes' === $rate['compound'] ) {
continue;
}
$tax_amount = $price * ( $rate['rate'] / 100 );
// ADVANCED: Allow third parties to modify this rate
$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price );
// Add rate
if ( ! isset( $taxes[ $key ] ) ) {
$taxes[ $key ] = $tax_amount;
} else {
$taxes[ $key ] += $tax_amount;
}
}
$pre_compound_total = array_sum( $taxes );
// Compound taxes
foreach ( $rates as $key => $rate ) {
if ( 'no' === $rate['compound'] ) {
continue;
}
$the_price_inc_tax = $price + ( $pre_compound_total );
$tax_amount = $the_price_inc_tax * ( $rate['rate'] / 100 );
// ADVANCED: Allow third parties to modify this rate
$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price, $the_price_inc_tax, $pre_compound_total );
// Add rate
if ( ! isset( $taxes[ $key ] ) ) {
$taxes[ $key ] = $tax_amount;
} else {
$taxes[ $key ] += $tax_amount;
}
}
}
return $taxes;
}
/**
* Searches for all matching country/state/postcode tax rates.
*
* @param array $args
* @return array
*/
public static function find_rates( $args = array() ) {
$args = wp_parse_args( $args, array(
'country' => '',
'state' => '',
'city' => '',
'postcode' => '',
'tax_class' => '',
) );
extract( $args, EXTR_SKIP );
if ( ! $country ) {
return array();
}
$postcode = wc_normalize_postcode( wc_clean( $postcode ) );
$cache_key = WC_Cache_Helper::get_cache_prefix( 'taxes' ) . 'wc_tax_rates_' . md5( sprintf( '%s+%s+%s+%s+%s', $country, $state, $city, $postcode, $tax_class ) );
$matched_tax_rates = wp_cache_get( $cache_key, 'taxes' );
if ( false === $matched_tax_rates ) {
$matched_tax_rates = self::get_matched_tax_rates( $country, $state, $postcode, $city, $tax_class );
wp_cache_set( $cache_key, $matched_tax_rates, 'taxes' );
}
return apply_filters( 'woocommerce_find_rates', $matched_tax_rates, $args );
}
/**
* Searches for all matching country/state/postcode tax rates.
*
* @param array $args
* @return array
*/
public static function find_shipping_rates( $args = array() ) {
$rates = self::find_rates( $args );
$shipping_rates = array();
if ( is_array( $rates ) ) {
foreach ( $rates as $key => $rate ) {
if ( 'yes' === $rate['shipping'] ) {
$shipping_rates[ $key ] = $rate;
}
}
}
return $shipping_rates;
}
/**
* Does the sort comparison. Compares (in this order):
* - Priority
* - Country
* - State
* - Number of postcodes
* - Number of cities
* - ID
*
* @param object $rate1 First rate to compare.
* @param object $rate2 Second rate to compare.
* @return int
*/
private static function sort_rates_callback( $rate1, $rate2 ) {
if ( $rate1->tax_rate_priority !== $rate2->tax_rate_priority ) {
return $rate1->tax_rate_priority < $rate2->tax_rate_priority ? -1 : 1; // ASC
}
if ( $rate1->tax_rate_country !== $rate2->tax_rate_country ) {
if ( '' === $rate1->tax_rate_country ) {
return 1;
}
if ( '' === $rate2->tax_rate_country ) {
return -1;
}
return strcmp( $rate1->tax_rate_country, $rate2->tax_rate_country ) > 0 ? 1 : -1;
}
if ( $rate1->tax_rate_state !== $rate2->tax_rate_state ) {
if ( '' === $rate1->tax_rate_state ) {
return 1;
}
if ( '' === $rate2->tax_rate_state ) {
return -1;
}
return strcmp( $rate1->tax_rate_state, $rate2->tax_rate_state ) > 0 ? 1 : -1;
}
if ( isset( $rate1->postcode_count, $rate2->postcode_count ) && $rate1->postcode_count !== $rate2->postcode_count ) {
return $rate1->postcode_count < $rate2->postcode_count ? 1 : -1;
}
if ( isset( $rate1->city_count, $rate2->city_count ) && $rate1->city_count !== $rate2->city_count ) {
return $rate1->city_count < $rate2->city_count ? 1 : -1;
}
return $rate1->tax_rate_id < $rate2->tax_rate_id ? -1 : 1;
}
/**
* Logical sort order for tax rates based on the following in order of priority.
*
* @param array $rates Rates to be sorted.
* @return array
*/
private static function sort_rates( $rates ) {
uasort( $rates, __CLASS__ . '::sort_rates_callback' );
$i = 0;
foreach ( $rates as $key => $rate ) {
$rates[ $key ]->tax_rate_order = $i++;
}
return $rates;
}
/**
* Loop through a set of tax rates and get the matching rates (1 per priority).
*
* @param string $country Country code to match against.
* @param string $state State code to match against.
* @param string $postcode Postcode to match against.
* @param string $city City to match against.
* @param string $tax_class Tax class to match against.
* @return array
*/
private static function get_matched_tax_rates( $country, $state, $postcode, $city, $tax_class ) {
global $wpdb;
// Query criteria - these will be ANDed.
$criteria = array();
$criteria[] = $wpdb->prepare( "tax_rate_country IN ( %s, '' )", strtoupper( $country ) );
$criteria[] = $wpdb->prepare( "tax_rate_state IN ( %s, '' )", strtoupper( $state ) );
$criteria[] = $wpdb->prepare( 'tax_rate_class = %s', sanitize_title( $tax_class ) );
// Pre-query postcode ranges for PHP based matching.
$postcode_search = wc_get_wildcard_postcodes( $postcode, $country );
$postcode_ranges = $wpdb->get_results( "SELECT tax_rate_id, location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE location_type = 'postcode' AND location_code LIKE '%...%';" );
if ( $postcode_ranges ) {
$matches = wc_postcode_location_matcher( $postcode, $postcode_ranges, 'tax_rate_id', 'location_code', $country );
if ( ! empty( $matches ) ) {
foreach ( $matches as $matched_postcodes ) {
$postcode_search = array_merge( $postcode_search, $matched_postcodes );
}
}
}
$postcode_search = array_unique( $postcode_search );
/**
* Location matching criteria - ORed
* Needs to match:
* - rates with no postcodes and cities
* - rates with a matching postcode and city
* - rates with matching postcode, no city
* - rates with matching city, no postcode
*/
$locations_criteria = array();
$locations_criteria[] = 'locations.location_type IS NULL';
$locations_criteria[] = "
locations.location_type = 'postcode' AND locations.location_code IN ('" . implode( "','", array_map( 'esc_sql', $postcode_search ) ) . "')
AND (
( locations2.location_type = 'city' AND locations2.location_code = '" . esc_sql( strtoupper( $city ) ) . "' )
OR NOT EXISTS (
SELECT sub.tax_rate_id FROM {$wpdb->prefix}woocommerce_tax_rate_locations as sub
WHERE sub.location_type = 'city'
AND sub.tax_rate_id = tax_rates.tax_rate_id
)
)
";
$locations_criteria[] = "
locations.location_type = 'city' AND locations.location_code = '" . esc_sql( strtoupper( $city ) ) . "'
AND NOT EXISTS (
SELECT sub.tax_rate_id FROM {$wpdb->prefix}woocommerce_tax_rate_locations as sub
WHERE sub.location_type = 'postcode'
AND sub.tax_rate_id = tax_rates.tax_rate_id
)
";
$criteria[] = '( ( ' . implode( ' ) OR ( ', $locations_criteria ) . ' ) )';
$found_rates = $wpdb->get_results( "
SELECT tax_rates.*, COUNT( locations.location_id ) as postcode_count, COUNT( locations2.location_id ) as city_count
FROM {$wpdb->prefix}woocommerce_tax_rates as tax_rates
LEFT OUTER JOIN {$wpdb->prefix}woocommerce_tax_rate_locations as locations ON tax_rates.tax_rate_id = locations.tax_rate_id
LEFT OUTER JOIN {$wpdb->prefix}woocommerce_tax_rate_locations as locations2 ON tax_rates.tax_rate_id = locations2.tax_rate_id
WHERE 1=1 AND " . implode( ' AND ', $criteria ) . "
GROUP BY tax_rates.tax_rate_id
ORDER BY tax_rates.tax_rate_priority
" );
$found_rates = self::sort_rates( $found_rates );
$matched_tax_rates = array();
$found_priority = array();
foreach ( $found_rates as $found_rate ) {
if ( in_array( $found_rate->tax_rate_priority, $found_priority, true ) ) {
continue;
}
$matched_tax_rates[ $found_rate->tax_rate_id ] = array(
'rate' => $found_rate->tax_rate,
'label' => $found_rate->tax_rate_name,
'shipping' => $found_rate->tax_rate_shipping ? 'yes' : 'no',
'compound' => $found_rate->tax_rate_compound ? 'yes' : 'no',
);
$found_priority[] = $found_rate->tax_rate_priority;
}
return apply_filters( 'woocommerce_matched_tax_rates', $matched_tax_rates, $country, $state, $postcode, $city, $tax_class );
}
/**
* Get the customer tax location based on their status and the current page.
*
* Used by get_rates(), get_shipping_rates().
*
* @param $tax_class string Optional, passed to the filter for advanced tax setups.
* @param object $customer Override the customer object to get their location.
* @return array
*/
public static function get_tax_location( $tax_class = '', $customer = null ) {
$location = array();
if ( is_null( $customer ) && ! empty( WC()->customer ) ) {
$customer = WC()->customer;
}
if ( ! empty( $customer ) ) {
$location = $customer->get_taxable_address();
} elseif ( wc_prices_include_tax() || 'base' === get_option( 'woocommerce_default_customer_address' ) || 'base' === get_option( 'woocommerce_tax_based_on' ) ) {
$location = array(
WC()->countries->get_base_country(),
WC()->countries->get_base_state(),
WC()->countries->get_base_postcode(),
WC()->countries->get_base_city(),
);
}
return apply_filters( 'woocommerce_get_tax_location', $location, $tax_class, $customer );
}
/**
* Get's an array of matching rates for a tax class.
*
* @param string $tax_class Tax class to get rates for.
* @param object $customer Override the customer object to get their location.
* @return array
*/
public static function get_rates( $tax_class = '', $customer = null ) {
$tax_class = sanitize_title( $tax_class );
$location = self::get_tax_location( $tax_class, $customer );
$matched_tax_rates = array();
if ( sizeof( $location ) === 4 ) {
list( $country, $state, $postcode, $city ) = $location;
$matched_tax_rates = self::find_rates( array(
'country' => $country,
'state' => $state,
'postcode' => $postcode,
'city' => $city,
'tax_class' => $tax_class,
) );
}
return apply_filters( 'woocommerce_matched_rates', $matched_tax_rates, $tax_class );
}
/**
* Get's an array of matching rates for the shop's base country.
*
* @param string Tax Class
* @return array
*/
public static function get_base_tax_rates( $tax_class = '' ) {
return apply_filters( 'woocommerce_base_tax_rates', self::find_rates( array(
'country' => WC()->countries->get_base_country(),
'state' => WC()->countries->get_base_state(),
'postcode' => WC()->countries->get_base_postcode(),
'city' => WC()->countries->get_base_city(),
'tax_class' => $tax_class,
) ), $tax_class );
}
/**
* Alias for get_base_tax_rates().
*
* @deprecated 2.3
* @param string Tax Class
* @return array
*/
public static function get_shop_base_rate( $tax_class = '' ) {
return self::get_base_tax_rates( $tax_class );
}
/**
* Gets an array of matching shipping tax rates for a given class.
*
* @param string $tax_class Tax class to get rates for.
* @param object $customer Override the customer object to get their location.
* @return mixed
*/
public static function get_shipping_tax_rates( $tax_class = null, $customer = null ) {
// See if we have an explicitly set shipping tax class
$shipping_tax_class = get_option( 'woocommerce_shipping_tax_class' );
if ( 'inherit' !== $shipping_tax_class ) {
$tax_class = $shipping_tax_class;
}
$location = self::get_tax_location( $tax_class, $customer );
$matched_tax_rates = array();
if ( sizeof( $location ) === 4 ) {
list( $country, $state, $postcode, $city ) = $location;
if ( ! is_null( $tax_class ) ) {
// This will be per item shipping
$matched_tax_rates = self::find_shipping_rates( array(
'country' => $country,
'state' => $state,
'postcode' => $postcode,
'city' => $city,
'tax_class' => $tax_class,
) );
} elseif ( WC()->cart->get_cart() ) {
// This will be per order shipping - loop through the order and find the highest tax class rate
$cart_tax_classes = WC()->cart->get_cart_item_tax_classes();
// No tax classes = no taxable items.
if ( empty( $cart_tax_classes ) ) {
return array();
}
// If multiple classes are found, use the first one found unless a standard rate item is found. This will be the first listed in the 'additional tax class' section.
if ( sizeof( $cart_tax_classes ) > 1 && ! in_array( '', $cart_tax_classes ) ) {
$tax_classes = self::get_tax_class_slugs();
foreach ( $tax_classes as $tax_class ) {
if ( in_array( $tax_class, $cart_tax_classes ) ) {
$matched_tax_rates = self::find_shipping_rates( array(
'country' => $country,
'state' => $state,
'postcode' => $postcode,
'city' => $city,
'tax_class' => $tax_class,
) );
break;
}
}
// If a single tax class is found, use it
} elseif ( sizeof( $cart_tax_classes ) == 1 ) {
$matched_tax_rates = self::find_shipping_rates( array(
'country' => $country,
'state' => $state,
'postcode' => $postcode,
'city' => $city,
'tax_class' => $cart_tax_classes[0],
) );
}
}
// Get standard rate if no taxes were found
if ( ! sizeof( $matched_tax_rates ) ) {
$matched_tax_rates = self::find_shipping_rates( array(
'country' => $country,
'state' => $state,
'postcode' => $postcode,
'city' => $city,
) );
}
}
return $matched_tax_rates;
}
/**
* Return true/false depending on if a rate is a compound rate.
*
* @param mixed $key_or_rate Tax rate ID, or the db row itself in object format
* @return bool
*/
public static function is_compound( $key_or_rate ) {
global $wpdb;
if ( is_object( $key_or_rate ) ) {
$key = $key_or_rate->tax_rate_id;
$compound = $key_or_rate->tax_rate_compound;
} else {
$key = $key_or_rate;
$compound = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate_compound FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) ) ? true : false;
}
return (bool) apply_filters( 'woocommerce_rate_compound', $compound, $key );
}
/**
* Return a given rates label.
*
* @param mixed $key_or_rate Tax rate ID, or the db row itself in object format
* @return string
*/
public static function get_rate_label( $key_or_rate ) {
global $wpdb;
if ( is_object( $key_or_rate ) ) {
$key = $key_or_rate->tax_rate_id;
$rate_name = $key_or_rate->tax_rate_name;
} else {
$key = $key_or_rate;
$rate_name = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate_name FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );
}
if ( ! $rate_name ) {
$rate_name = WC()->countries->tax_or_vat();
}
return apply_filters( 'woocommerce_rate_label', $rate_name, $key );
}
/**
* Return a given rates percent.
*
* @param mixed $key_or_rate Tax rate ID, or the db row itself in object format
* @return string
*/
public static function get_rate_percent( $key_or_rate ) {
global $wpdb;
if ( is_object( $key_or_rate ) ) {
$key = $key_or_rate->tax_rate_id;
$tax_rate = $key_or_rate->tax_rate;
} else {
$key = $key_or_rate;
$tax_rate = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );
}
return apply_filters( 'woocommerce_rate_percent', floatval( $tax_rate ) . '%', $key );
}
/**
* Get a rates code. Code is made up of COUNTRY-STATE-NAME-Priority. E.g GB-VAT-1, US-AL-TAX-1.
*
* @access public
* @param mixed $key_or_rate Tax rate ID, or the db row itself in object format
* @return string
*/
public static function get_rate_code( $key_or_rate ) {
global $wpdb;
if ( is_object( $key_or_rate ) ) {
$key = $key_or_rate->tax_rate_id;
$rate = $key_or_rate;
} else {
$key = $key_or_rate;
$rate = $wpdb->get_row( $wpdb->prepare( "SELECT tax_rate_country, tax_rate_state, tax_rate_name, tax_rate_priority FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) );
}
$code_string = '';
if ( null !== $rate ) {
$code = array();
$code[] = $rate->tax_rate_country;
$code[] = $rate->tax_rate_state;
$code[] = $rate->tax_rate_name ? $rate->tax_rate_name : 'TAX';
$code[] = absint( $rate->tax_rate_priority );
$code_string = strtoupper( implode( '-', array_filter( $code ) ) );
}
return apply_filters( 'woocommerce_rate_code', $code_string, $key );
}
/**
* Round tax lines and return the sum.
*
* @param array
* @return float
*/
public static function get_tax_total( $taxes ) {
return array_sum( array_map( array( __CLASS__, 'round' ), $taxes ) );
}
/**
* Get store tax classes.
* @return array Array of class names ("Reduced rate", "Zero rate", etc).
*/
public static function get_tax_classes() {
return array_filter( array_map( 'trim', explode( "\n", get_option( 'woocommerce_tax_classes' ) ) ) );
}
/**
* Get store tax classes as slugs.
*
* @since 3.0.0
* @return array Array of class slugs ("reduced-rate", "zero-rate", etc).
*/
public static function get_tax_class_slugs() {
return array_map( 'sanitize_title', self::get_tax_classes() );
}
/**
* format the city.
* @param string $city
* @return string
*/
private static function format_tax_rate_city( $city ) {
return strtoupper( trim( $city ) );
}
/**
* format the state.
* @param string $state
* @return string
*/
private static function format_tax_rate_state( $state ) {
$state = strtoupper( $state );
return ( '*' === $state ) ? '' : $state;
}
/**
* format the country.
* @param string $country
* @return string
*/
private static function format_tax_rate_country( $country ) {
$country = strtoupper( $country );
return ( '*' === $country ) ? '' : $country;
}
/**
* format the tax rate name.
* @param string $name
* @return string
*/
private static function format_tax_rate_name( $name ) {
return $name ? $name : __( 'Tax', 'woocommerce' );
}
/**
* format the rate.
* @param double $rate
* @return string
*/
private static function format_tax_rate( $rate ) {
return number_format( (double) $rate, 4, '.', '' );
}
/**
* format the priority.
* @param string $priority
* @return int
*/
private static function format_tax_rate_priority( $priority ) {
return absint( $priority );
}
/**
* format the class.
* @param string $class
* @return string
*/
public static function format_tax_rate_class( $class ) {
$class = sanitize_title( $class );
$classes = self::get_tax_class_slugs();
if ( ! in_array( $class, $classes ) ) {
$class = '';
}
return ( 'standard' === $class ) ? '' : $class;
}
/**
* Prepare and format tax rate for DB insertion.
* @param array $tax_rate
* @return array
*/
private static function prepare_tax_rate( $tax_rate ) {
foreach ( $tax_rate as $key => $value ) {
if ( method_exists( __CLASS__, 'format_' . $key ) ) {
if ( 'tax_rate_state' === $key ) {
$tax_rate[ $key ] = call_user_func( array( __CLASS__, 'format_' . $key ), sanitize_key( $value ) );
} else {
$tax_rate[ $key ] = call_user_func( array( __CLASS__, 'format_' . $key ), $value );
}
}
}
return $tax_rate;
}
/**
* Insert a new tax rate.
*
* Internal use only.
*
* @since 2.3.0
* @access private
*
* @param array $tax_rate
*
* @return int tax rate id
*/
public static function _insert_tax_rate( $tax_rate ) {
global $wpdb;
$wpdb->insert( $wpdb->prefix . 'woocommerce_tax_rates', self::prepare_tax_rate( $tax_rate ) );
WC_Cache_Helper::incr_cache_prefix( 'taxes' );
do_action( 'woocommerce_tax_rate_added', $wpdb->insert_id, $tax_rate );
return $wpdb->insert_id;
}
/**
* Get tax rate.
*
* Internal use only.
*
* @since 2.5.0
* @access private
*
* @param int $tax_rate_id
* @param string $output_type
*
* @return array|object
*/
public static function _get_tax_rate( $tax_rate_id, $output_type = ARRAY_A ) {
global $wpdb;
return $wpdb->get_row( $wpdb->prepare( "
SELECT *
FROM {$wpdb->prefix}woocommerce_tax_rates
WHERE tax_rate_id = %d
", $tax_rate_id ), $output_type );
}
/**
* Update a tax rate.
*
* Internal use only.
*
* @since 2.3.0
* @access private
*
* @param int $tax_rate_id
* @param array $tax_rate
*/
public static function _update_tax_rate( $tax_rate_id, $tax_rate ) {
global $wpdb;
$tax_rate_id = absint( $tax_rate_id );
$wpdb->update(
$wpdb->prefix . "woocommerce_tax_rates",
self::prepare_tax_rate( $tax_rate ),
array(
'tax_rate_id' => $tax_rate_id,
)
);
WC_Cache_Helper::incr_cache_prefix( 'taxes' );
do_action( 'woocommerce_tax_rate_updated', $tax_rate_id, $tax_rate );
}
/**
* Delete a tax rate from the database.
*
* Internal use only.
*
* @since 2.3.0
* @access private
*
* @param int $tax_rate_id
*/
public static function _delete_tax_rate( $tax_rate_id ) {
global $wpdb;
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d;", $tax_rate_id ) );
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %d;", $tax_rate_id ) );
WC_Cache_Helper::incr_cache_prefix( 'taxes' );
do_action( 'woocommerce_tax_rate_deleted', $tax_rate_id );
}
/**
* Update postcodes for a tax rate in the DB.
*
* Internal use only.
*
* @since 2.3.0
* @access private
*
* @param int $tax_rate_id
* @param string $postcodes String of postcodes separated by ; characters
*/
public static function _update_tax_rate_postcodes( $tax_rate_id, $postcodes ) {
if ( ! is_array( $postcodes ) ) {
$postcodes = explode( ';', $postcodes );
}
// No normalization - postcodes are matched against both normal and formatted versions to support wildcards.
foreach ( $postcodes as $key => $postcode ) {
$postcodes[ $key ] = strtoupper( trim( str_replace( chr( 226 ) . chr( 128 ) . chr( 166 ), '...', $postcode ) ) );
}
self::_update_tax_rate_locations( $tax_rate_id, array_diff( array_filter( $postcodes ), array( '*' ) ), 'postcode' );
}
/**
* Update cities for a tax rate in the DB.
*
* Internal use only.
*
* @since 2.3.0
* @access private
*
* @param int $tax_rate_id
* @param string $cities
*/
public static function _update_tax_rate_cities( $tax_rate_id, $cities ) {
if ( ! is_array( $cities ) ) {
$cities = explode( ';', $cities );
}
$cities = array_filter( array_diff( array_map( array( __CLASS__, 'format_tax_rate_city' ), $cities ), array( '*' ) ) );
self::_update_tax_rate_locations( $tax_rate_id, $cities, 'city' );
}
/**
* Updates locations (postcode and city).
*
* Internal use only.
*
* @since 2.3.0
* @access private
*
* @param int $tax_rate_id
* @param array $values
* @param string $type
*/
private static function _update_tax_rate_locations( $tax_rate_id, $values, $type ) {
global $wpdb;
$tax_rate_id = absint( $tax_rate_id );
$wpdb->query(
$wpdb->prepare( "
DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d AND location_type = %s;
", $tax_rate_id, $type
)
);
if ( sizeof( $values ) > 0 ) {
$sql = "( '" . implode( "', $tax_rate_id, '" . esc_sql( $type ) . "' ),( '", array_map( 'esc_sql', $values ) ) . "', $tax_rate_id, '" . esc_sql( $type ) . "' )";
$wpdb->query( "
INSERT INTO {$wpdb->prefix}woocommerce_tax_rate_locations ( location_code, tax_rate_id, location_type ) VALUES $sql;
" );
}
WC_Cache_Helper::incr_cache_prefix( 'taxes' );
}
/**
* Used by admin settings page.
*
* @param string $tax_class
*
* @return array|null|object
*/
public static function get_rates_for_tax_class( $tax_class ) {
global $wpdb;
// Get all the rates and locations. Snagging all at once should significantly cut down on the number of queries.
$rates = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM `{$wpdb->prefix}woocommerce_tax_rates` WHERE `tax_rate_class` = %s;", sanitize_title( $tax_class ) ) );
$locations = $wpdb->get_results( "SELECT * FROM `{$wpdb->prefix}woocommerce_tax_rate_locations`" );
if ( ! empty( $rates ) ) {
// Set the rates keys equal to their ids.
$rates = array_combine( wp_list_pluck( $rates, 'tax_rate_id' ), $rates );
}
// Drop the locations into the rates array.
foreach ( $locations as $location ) {
// Don't set them for unexistent rates.
if ( ! isset( $rates[ $location->tax_rate_id ] ) ) {
continue;
}
// If the rate exists, initialize the array before appending to it.
if ( ! isset( $rates[ $location->tax_rate_id ]->{$location->location_type} ) ) {
$rates[ $location->tax_rate_id ]->{$location->location_type} = array();
}
$rates[ $location->tax_rate_id ]->{$location->location_type}[] = $location->location_code;
}
foreach ( $rates as $rate_id => $rate ) {
$rates[ $rate_id ]->postcode_count = isset( $rates[ $rate_id ]->postcode ) ? count( $rates[ $rate_id ]->postcode ) : 0;
$rates[ $rate_id ]->city_count = isset( $rates[ $rate_id ]->city ) ? count( $rates[ $rate_id ]->city ) : 0;
}
$rates = self::sort_rates( $rates );
return $rates;
}
}
WC_Tax::init();