PHP WC_Tax::_update_tax_rate_cities方法代码示例

 /**
  * add_eu_countries_vat_rates.
  *
  * @version 2.3.10
  * @since   2.3.10
  */
 function add_eu_countries_vat_rates()
 {
     if (!isset($_POST['add_eu_countries_vat_rates'])) {
         return;
     }
     if (!is_super_admin() && !is_shop_manager()) {
         return;
     }
     $loop = 0;
     foreach (wcj_get_european_union_countries_with_vat() as $country => $rate) {
         $tax_rate = array('tax_rate_country' => $country, 'tax_rate' => $rate, 'tax_rate_name' => isset($_POST['wcj_tax_name']) ? $_POST['wcj_tax_name'] : __('VAT', 'woocommerce'), 'tax_rate_priority' => 1, 'tax_rate_compound' => 0, 'tax_rate_shipping' => 1, 'tax_rate_order' => $loop++, 'tax_rate_class' => '');
         $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
         WC_Tax::_update_tax_rate_postcodes($tax_rate_id, '');
         WC_Tax::_update_tax_rate_cities($tax_rate_id, '');
     }
 }

 public function install_standard_rates()
 {
     //  delete previous inserted standard rates
     $tax_rates = $this->get_tax_rates();
     foreach ($tax_rates as $tax_rate) {
         $tax_rate_name = sprintf("EU VAT (%s)", $tax_rate->tax_rate_country);
         if (0 == strpos($tax_rate->tax_rate_name, $tax_rate_name)) {
             WC_Tax::_delete_tax_rate($tax_rate->tax_rate_id);
         }
     }
     foreach ($this->tax_rates_data as $key => $value) {
         $tax_rate = array('tax_rate_country' => $key, 'tax_rate_state' => '*', 'tax_rate' => $value["standard_rate"], 'tax_rate_name' => sprintf("EU VAT (%s) %s%%", $key, $value["standard_rate"]), 'tax_rate_priority' => 1, 'tax_rate_compound' => 1, 'tax_rate_shipping' => 1, 'tax_rate_class' => '');
         $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
         WC_Tax::_update_tax_rate_postcodes($tax_rate_id, wc_clean('*'));
         WC_Tax::_update_tax_rate_cities($tax_rate_id, wc_clean('*'));
     }
 }

 /**
  * copy of import function: WC_Tax_Rate_Importer->import()
  * https://github.com/woothemes/woocommerce/blob/master/includes/admin/importers/class-wc-tax-rate-importer.php
  */
 private function import_dummy_tax()
 {
     // clear tax rate tables
     global $wpdb;
     $wpdb->query("TRUNCATE TABLE {$wpdb->prefix}woocommerce_tax_rates");
     $wpdb->query("TRUNCATE TABLE {$wpdb->prefix}woocommerce_tax_rate_locations");
     $file = WC_POS_PLUGIN_PATH . 'tests/data/sample_tax_rates.csv';
     $delimiter = ',';
     $loop = 0;
     if (($handle = fopen($file, "r")) !== false) {
         $header = fgetcsv($handle, 0, $delimiter);
         if (10 === sizeof($header)) {
             while (($row = fgetcsv($handle, 0, $delimiter)) !== false) {
                 list($country, $state, $postcode, $city, $rate, $name, $priority, $compound, $shipping, $class) = $row;
                 $tax_rate = array('tax_rate_country' => $country, 'tax_rate_state' => $state, 'tax_rate' => $rate, 'tax_rate_name' => $name, 'tax_rate_priority' => $priority, 'tax_rate_compound' => $compound ? 1 : 0, 'tax_rate_shipping' => $shipping ? 1 : 0, 'tax_rate_order' => $loop++, 'tax_rate_class' => $class);
                 $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
                 WC_Tax::_update_tax_rate_postcodes($tax_rate_id, wc_clean($postcode));
                 WC_Tax::_update_tax_rate_cities($tax_rate_id, wc_clean($city));
             }
         }
         fclose($handle);
     }
 }

 /**
  * Handle submissions from assets/js/settings-views-html-settings-tax.js Backbone model.
  */
 public static function tax_rates_save_changes()
 {
     if (!isset($_POST['current_class'], $_POST['wc_tax_nonce'], $_POST['changes'])) {
         wp_send_json_error('missing_fields');
         exit;
     }
     $current_class = $_POST['current_class'];
     // This is sanitized seven lines later.
     if (!wp_verify_nonce($_POST['wc_tax_nonce'], 'wc_tax_nonce-class:' . $current_class)) {
         wp_send_json_error('bad_nonce');
         exit;
     }
     $current_class = WC_Tax::format_tax_rate_class($current_class);
     // Check User Caps
     if (!current_user_can('manage_woocommerce')) {
         wp_send_json_error('missing_capabilities');
         exit;
     }
     $changes = $_POST['changes'];
     foreach ($changes as $tax_rate_id => $data) {
         if (isset($data['deleted'])) {
             if (isset($data['newRow'])) {
                 // So the user added and deleted a new row.
                 // That's fine, it's not in the database anyways. NEXT!
                 continue;
             }
             WC_Tax::_delete_tax_rate($tax_rate_id);
         }
         $tax_rate = array_intersect_key($data, array('tax_rate_country' => 1, 'tax_rate_state' => 1, 'tax_rate' => 1, 'tax_rate_name' => 1, 'tax_rate_priority' => 1, 'tax_rate_compound' => 1, 'tax_rate_shipping' => 1, 'tax_rate_order' => 1));
         if (isset($data['newRow'])) {
             // Hurrah, shiny and new!
             $tax_rate['tax_rate_class'] = $current_class;
             $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
         } else {
             // Updating an existing rate ...
             if (!empty($tax_rate)) {
                 WC_Tax::_update_tax_rate($tax_rate_id, $tax_rate);
             }
         }
         if (isset($data['postcode'])) {
             WC_Tax::_update_tax_rate_postcodes($tax_rate_id, array_map('wc_clean', $data['postcode']));
         }
         if (isset($data['city'])) {
             WC_Tax::_update_tax_rate_cities($tax_rate_id, array_map('wc_clean', $data['city']));
         }
     }
     wp_send_json_success(array('rates' => WC_Tax::get_rates_for_tax_class($current_class)));
 }

 /**
  * Edit a tax
  *
  * @since 2.5.0
  *
  * @param int $id The tax ID
  * @param array $data
  *
  * @return array
  */
 public function edit_tax($id, $data)
 {
     try {
         if (!isset($data['tax'])) {
             throw new WC_API_Exception('woocommerce_api_missing_tax_data', sprintf(__('No %1$s data specified to edit %1$s', 'woocommerce'), 'tax'), 400);
         }
         // Check permissions
         if (!current_user_can('manage_woocommerce')) {
             throw new WC_API_Exception('woocommerce_api_user_cannot_edit_tax', __('You do not have permission to edit tax rates', 'woocommerce'), 401);
         }
         $data = $data['tax'];
         // Get current tax rate data
         $tax = $this->get_tax($id);
         if (is_wp_error($tax)) {
             $error_data = $tax->get_error_data();
             throw new WC_API_Exception($tax->get_error_code(), $tax->get_error_message(), $error_data['status']);
         }
         $current_data = $tax['tax'];
         $data = apply_filters('woocommerce_api_edit_tax_data', $data, $this);
         $tax_data = array();
         $default_fields = array('tax_rate_country', 'tax_rate_state', 'tax_rate', 'tax_rate_name', 'tax_rate_priority', 'tax_rate_compound', 'tax_rate_shipping', 'tax_rate_order', 'tax_rate_class');
         foreach ($data as $key => $value) {
             $new_key = 'rate' === $key ? 'tax_rate' : 'tax_rate_' . $key;
             // Check if the key is valid
             if (!in_array($new_key, $default_fields)) {
                 continue;
             }
             // Test new data against current data
             if ($value === $current_data[$key]) {
                 continue;
             }
             // Fix compund and shipping values
             if (in_array($key, array('compound', 'shipping'))) {
                 $value = $value ? 1 : 0;
             }
             $tax_data[$new_key] = $value;
         }
         // Update tax rate
         WC_Tax::_update_tax_rate($id, $tax_data);
         // Update locales
         if (!empty($data['postcode']) && $current_data['postcode'] != $data['postcode']) {
             WC_Tax::_update_tax_rate_postcodes($id, wc_clean($data['postcode']));
         }
         if (!empty($data['city']) && $current_data['city'] != $data['city']) {
             WC_Tax::_update_tax_rate_cities($id, wc_clean($data['city']));
         }
         do_action('woocommerce_api_edit_tax_rate', $id, $data);
         return $this->get_tax($id);
     } catch (WC_API_Exception $e) {
         return new WP_Error($e->getErrorCode(), $e->getMessage(), array('status' => $e->getCode()));
     }
 }

    /**
     * import function.
     *
     * @param mixed $file
     */
    public function import($file)
    {
        if (!is_file($file)) {
            $this->import_error(__('The file does not exist, please try again.', 'woocommerce'));
        }
        $this->import_start();
        $loop = 0;
        if (($handle = fopen($file, "r")) !== false) {
            $header = fgetcsv($handle, 0, $this->delimiter);
            if (10 === sizeof($header)) {
                while (($row = fgetcsv($handle, 0, $this->delimiter)) !== false) {
                    list($country, $state, $postcode, $city, $rate, $name, $priority, $compound, $shipping, $class) = $row;
                    $tax_rate = array('tax_rate_country' => $country, 'tax_rate_state' => $state, 'tax_rate' => $rate, 'tax_rate_name' => $name, 'tax_rate_priority' => $priority, 'tax_rate_compound' => $compound ? 1 : 0, 'tax_rate_shipping' => $shipping ? 1 : 0, 'tax_rate_order' => $loop++, 'tax_rate_class' => $class);
                    $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
                    WC_Tax::_update_tax_rate_postcodes($tax_rate_id, wc_clean($postcode));
                    WC_Tax::_update_tax_rate_cities($tax_rate_id, wc_clean($city));
                }
            } else {
                $this->import_error(__('The CSV is invalid.', 'woocommerce'));
            }
            fclose($handle);
        }
        // Show Result
        echo '<div class="updated settings-error below-h2"><p>
			' . sprintf(__('Import complete - imported <strong>%s</strong> tax rates.', 'woocommerce'), $loop) . '
		</p></div>';
        $this->import_end();
    }

 /**
  * Take tax data from the request and return the updated or newly created rate.
  *
  * @todo Replace with CRUD in 2.7.0
  * @param WP_REST_Request $request Full details about the request.
  * @param stdClass|null $current Existing tax object.
  * @return stdClass
  */
 protected function create_or_update_tax($request, $current = null)
 {
     $id = absint(isset($request['id']) ? $request['id'] : 0);
     $data = array();
     $fields = array('tax_rate_country', 'tax_rate_state', 'tax_rate', 'tax_rate_name', 'tax_rate_priority', 'tax_rate_compound', 'tax_rate_shipping', 'tax_rate_order', 'tax_rate_class');
     foreach ($fields as $field) {
         // Keys via API differ from the stored names returned by _get_tax_rate.
         $key = 'tax_rate' === $field ? 'rate' : str_replace('tax_rate_', '', $field);
         // Remove data that was not posted.
         if (!isset($request[$key])) {
             continue;
         }
         // Test new data against current data.
         if ($current && $current->{$field} === $request[$key]) {
             continue;
         }
         // Add to data array.
         switch ($key) {
             case 'tax_rate_priority':
             case 'tax_rate_compound':
             case 'tax_rate_shipping':
             case 'tax_rate_order':
                 $data[$field] = absint($request[$key]);
                 break;
             case 'tax_rate_class':
                 $data[$field] = 'standard' !== $request['tax_rate_class'] ? $request['tax_rate_class'] : '';
                 break;
             default:
                 $data[$field] = wc_clean($request[$key]);
                 break;
         }
     }
     if ($id) {
         WC_Tax::_update_tax_rate($id, $data);
     } else {
         $id = WC_Tax::_insert_tax_rate($data);
     }
     // Add locales.
     if (!empty($request['postcode'])) {
         WC_Tax::_update_tax_rate_postcodes($id, wc_clean($request['postcode']));
     }
     if (!empty($request['city'])) {
         WC_Tax::_update_tax_rate_cities($id, wc_clean($request['city']));
     }
     return WC_Tax::_get_tax_rate($id, OBJECT);
 }

 /**
  * Update a tax rate.
  *
  * ## OPTIONS
  *
  * <id>
  * : The ID of the tax rate to update.
  *
  * [--<field>=<value>]
  * : One or more fields to update.
  *
  * ## AVAILABLE FIELDS
  *
  * These fields are available for update command:
  *
  * * country
  * * state
  * * postcode
  * * city
  * * rate
  * * name
  * * priority
  * * compound
  * * shipping
  * * class
  *
  * ## EXAMPLES
  *
  *     wp wc tax update 123 --rate=5
  *
  * @since 2.5.0
  */
 public function update($args, $assoc_args)
 {
     try {
         // Get current tax rate data
         $tax_data = $this->format_taxes_to_items(array($args[0]));
         if (empty($tax_data)) {
             throw new WC_CLI_Exception('woocommerce_cli_invalid_tax_rate', sprintf(__('Invalid tax rate ID: %s', 'woocommerce'), $args[0]));
         }
         $current_data = $tax_data[0];
         $id = $current_data['id'];
         $data = apply_filters('woocommerce_cli_update_tax_rate_data', $assoc_args, $id);
         $new_data = array();
         $default_fields = array('tax_rate_country', 'tax_rate_state', 'tax_rate', 'tax_rate_name', 'tax_rate_priority', 'tax_rate_compound', 'tax_rate_shipping', 'tax_rate_order', 'tax_rate_class');
         foreach ($data as $key => $value) {
             $new_key = 'rate' === $key ? 'tax_rate' : 'tax_rate_' . $key;
             // Check if the key is valid
             if (!in_array($new_key, $default_fields)) {
                 continue;
             }
             // Test new data against current data
             if ($value === $current_data[$key]) {
                 continue;
             }
             // Fix compund and shipping values
             if (in_array($key, array('compound', 'shipping'))) {
                 $value = $value ? 1 : 0;
             }
             $new_data[$new_key] = $value;
         }
         // Update tax rate
         WC_Tax::_update_tax_rate($id, $new_data);
         // Update locales
         if (!empty($data['postcode']) && $current_data['postcode'] != $data['postcode']) {
             WC_Tax::_update_tax_rate_postcodes($id, wc_clean($data['postcode']));
         }
         if (!empty($data['city']) && $current_data['city'] != $data['city']) {
             WC_Tax::_update_tax_rate_cities($id, wc_clean($data['city']));
         }
         do_action('woocommerce_cli_update_tax_rate', $id, $data);
         WP_CLI::success("Updated tax rate {$id}.");
     } catch (WC_CLI_Exception $e) {
         WP_CLI::error($e->getMessage());
     }
 }

 /**
  * City saving.
  */
 public function test__update_tax_rate_cities()
 {
     global $wpdb;
     $to_save = 'SOMEWHERE;SOMEWHERE_ELSE';
     $tax_rate = array('tax_rate_country' => 'GB', 'tax_rate_state' => '', 'tax_rate' => '20.0000', 'tax_rate_name' => 'VAT', 'tax_rate_priority' => '1', 'tax_rate_compound' => '0', 'tax_rate_shipping' => '1', 'tax_rate_order' => '1', 'tax_rate_class' => '');
     // Run function
     $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
     WC_Tax::_update_tax_rate_cities($tax_rate_id, $to_save);
     $results = $wpdb->get_col($wpdb->prepare("SELECT location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d ORDER BY location_code ASC", $tax_rate_id));
     $this->assertEquals(array('SOMEWHERE', 'SOMEWHERE_ELSE'), $results);
     WC_Tax::_delete_tax_rate($tax_rate_id);
 }

 /**
  * Save tax rates
  */
 public function save_tax_rates()
 {
     $current_class = sanitize_title($this->get_current_tax_class());
     $index = 0;
     // Loop posted fields
     foreach ($_POST['tax_rate_country'] as $key => $value) {
         $mode = 0 === strpos($key, 'new-') ? 'insert' : 'update';
         $tax_rate = $this->get_posted_tax_rate($key, $index++, $current_class);
         if ('insert' === $mode) {
             $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
         } elseif (1 == $_POST['remove_tax_rate'][$key]) {
             WC_Tax::_delete_tax_rate($key);
             continue;
         } else {
             $tax_rate_id = $key;
             WC_Tax::_update_tax_rate($tax_rate_id, $tax_rate);
         }
         if (isset($_POST['tax_rate_postcode'][$key])) {
             WC_Tax::_update_tax_rate_postcodes($tax_rate_id, wc_clean($_POST['tax_rate_postcode'][$key]));
         }
         if (isset($_POST['tax_rate_city'][$key])) {
             WC_Tax::_update_tax_rate_cities($tax_rate_id, wc_clean($_POST['tax_rate_city'][$key]));
         }
     }
 }

 /**
  * Save tax rates.
  */
 public function save_tax_rates()
 {
     global $wpdb;
     $current_class = sanitize_title($this->get_current_tax_class());
     // get the tax rate id of the first submited row
     $first_tax_rate_id = key($_POST['tax_rate_country']);
     // get the order position of the first tax rate id
     $tax_rate_order = absint($wpdb->get_var($wpdb->prepare("SELECT tax_rate_order FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $first_tax_rate_id)));
     $index = isset($tax_rate_order) ? $tax_rate_order : 0;
     // Loop posted fields
     foreach ($_POST['tax_rate_country'] as $key => $value) {
         $mode = 0 === strpos($key, 'new-') ? 'insert' : 'update';
         $tax_rate = $this->get_posted_tax_rate($key, $index++, $current_class);
         if ('insert' === $mode) {
             $tax_rate_id = WC_Tax::_insert_tax_rate($tax_rate);
         } elseif (1 == $_POST['remove_tax_rate'][$key]) {
             $tax_rate_id = absint($key);
             WC_Tax::_delete_tax_rate($tax_rate_id);
             continue;
         } else {
             $tax_rate_id = absint($key);
             WC_Tax::_update_tax_rate($tax_rate_id, $tax_rate);
         }
         if (isset($_POST['tax_rate_postcode'][$key])) {
             WC_Tax::_update_tax_rate_postcodes($tax_rate_id, wc_clean($_POST['tax_rate_postcode'][$key]));
         }
         if (isset($_POST['tax_rate_city'][$key])) {
             WC_Tax::_update_tax_rate_cities($tax_rate_id, wc_clean($_POST['tax_rate_city'][$key]));
         }
     }
 }

//.........这里部分代码省略.........
     $cache_key = hash('md5', $url . '/' . $body_string);
     // To check to see if we hit the API or not
     $taxjar_response = false;
     // Make sure we don't have a cached rate
     if (false === ($cache_value = wp_cache_get($cache_key, 'taxjar'))) {
         // Log this request
         $this->_log("Requesting: " . $url);
         // Make API call with API token in header
         $response = wp_remote_post($url, array('headers' => array('Authorization' => 'Token token="' . $this->settings['api_token'] . '"', 'Content-Type' => 'application/x-www-form-urlencoded'), 'user-agent' => $this->ua, 'body' => $body_string));
         // Fail loudly if we get an error from wp_remote_post
         if (is_wp_error($response)) {
             new WP_Error('request', __("There was an error retrieving the tax rates. Please check your server configuration."));
         } else {
             if (200 == $response['response']['code']) {
                 // Log the response
                 $this->_log("Received: " . $response['body']);
                 // Decode Response
                 $taxjar_response = json_decode($response['body']);
                 $taxjar_response = $taxjar_response->tax;
                 // Update Properties based on Response
                 $this->has_nexus = (int) $taxjar_response->has_nexus;
                 $this->tax_source = empty($taxjar_response->tax_source) ? 'origin' : $taxjar_response->tax_source;
                 $this->amount_to_collect = $taxjar_response->amount_to_collect;
                 if (!empty($taxjar_response->breakdown)) {
                     if (!empty($taxjar_response->breakdown->shipping)) {
                         $this->shipping_collectable = $taxjar_response->breakdown->shipping->tax_collectable;
                     }
                     $this->item_collectable = $this->amount_to_collect - $this->shipping_collectable;
                 }
                 $this->tax_rate = $taxjar_response->rate;
                 $this->freight_taxable = (int) $taxjar_response->freight_taxable;
                 // Create cache value
                 $cache_value = $this->amount_to_collect . '::' . $this->tax_rate . '::' . $this->freight_taxable . '::' . $this->has_nexus . '::' . $this->tax_source . '::' . $this->item_collectable . '::' . $this->shipping_collectable;
                 // Log the new cached value
                 $this->_log("Cache Value: " . $cache_value);
                 // Set Cache
                 wp_cache_set($cache_key, $cache_value, 'taxjar', $this->cache_time);
             } else {
                 // Log Response Error
                 $this->_log("Received (" . $response['response']['code'] . "): " . $response['body']);
             }
         }
     } else {
         // Read the cached value based on our delimiter
         $cache_value = explode('::', $cache_value);
         // Set properties to the cached values
         $this->amount_to_collect = $cache_value[0];
         $this->tax_rate = $cache_value[1];
         $this->freight_taxable = $cache_value[2];
         $this->has_nexus = $cache_value[3];
         $this->tax_source = $cache_value[4];
         $this->item_collectable = $cache_value[5];
         $this->shipping_collectable = $cache_value[6];
         // Log Cached Response
         $this->_log("Cached Amount: " . $this->amount_to_collect);
         $this->_log("Cached Nexus: " . $this->has_nexus);
         $this->_log("Cached Source: " . $this->tax_source);
         $this->_log("Cached Rate: " . $this->tax_rate);
         $this->_log("Shipping Taxable? " . $this->freight_taxable);
         $this->_log("Item Tax to Collect: " . $this->item_collectable);
         $this->_log("Shipping Tax to Collect: " . $this->shipping_collectable);
     }
     // Remove taxes if they are set somehow and customer is exempt
     if ($customer->is_vat_exempt()) {
         $wc_cart_object->remove_taxes();
     } elseif ($this->has_nexus) {
         //} else {
         // Use Woo core to find matching rates for taxable address
         $source_zip = $this->tax_source == 'destination' ? $to_zip : $from_zip;
         $source_city = $this->tax_source == 'destination' ? $to_city : $from_city;
         if (strtoupper($to_city) == strtoupper($from_city)) {
             $source_city = $to_city;
         }
         // Setup Tax Rates
         $tax_rates = array("tax_rate_country" => $to_country, "tax_rate_state" => $to_state, "tax_rate_name" => sprintf("%s Tax", $to_state), "tax_rate_priority" => 1, "tax_rate_compound" => false, "tax_rate_shipping" => $this->freight_taxable, "tax_rate" => $this->tax_rate * 100, "tax_rate_class" => '');
         // Clear the cached rates
         $this->clear_wc_tax_cache($to_country, $to_state, $source_city, $source_zip);
         $this->_log($source_city);
         $wc_rates = WC_Tax::find_rates(array('country' => $to_country, 'state' => $to_state, 'postcode' => $source_zip, 'city' => $source_city, 'tax_class' => ''));
         // If we have rates, use those, but if no rates returned create one to link with, or use the first rate returned.
         if (!empty($wc_rates)) {
             $this->_log('::: TAX RATES FOUND :::');
             $this->_log($wc_rates);
             // Get the existing ID
             $rate_id = key($wc_rates);
             // Update Tax Rates with TaxJar rates ( rates might be coming from a cached taxjar rate )
             $this->_log(':: UPDATING TAX RATES TO ::');
             $this->_log($tax_rates);
             WC_TAX::_update_tax_rate($rate_id, $tax_rates);
         } else {
             // Insert a rate if we did not find one
             $this->_log(':: Adding New Tax Rate ::');
             $rate_id = WC_Tax::_insert_tax_rate($tax_rates);
             WC_Tax::_update_tax_rate_postcodes($rate_id, wc_clean($source_zip));
             WC_Tax::_update_tax_rate_cities($rate_id, wc_clean($source_city));
         }
         $this->_log('Tax Rate ID Set: ' . $rate_id);
         $this->rate_id = $rate_id;
     }
 }

 /**
  * Update a single tax.
  *
  * @param WP_REST_Request $request Full details about the request.
  * @return WP_Error|WP_REST_Response
  */
 public function update_item($request)
 {
     $id = (int) $request['id'];
     $current_tax = WC_Tax::_get_tax_rate($id, OBJECT);
     if (empty($id) || empty($current_tax)) {
         return new WP_Error('woocommerce_rest_invalid_id', __('Invalid resource id.', 'woocommerce'), array('status' => 404));
     }
     $data = array();
     $fields = array('tax_rate_country', 'tax_rate_state', 'tax_rate', 'tax_rate_name', 'tax_rate_priority', 'tax_rate_compound', 'tax_rate_shipping', 'tax_rate_order', 'tax_rate_class');
     foreach ($fields as $field) {
         $key = 'tax_rate' === $field ? 'rate' : str_replace('tax_rate_', '', $field);
         if (!isset($request[$key])) {
             continue;
         }
         $value = $request[$key];
         // Fix compund and shipping values.
         if (in_array($key, array('compound', 'shipping'))) {
             $value = (int) $request[$key];
         }
         // Test new data against current data.
         if ($current_tax->{$field} === $value) {
             continue;
         }
         $data[$field] = $request[$key];
     }
     // Update tax rate.
     WC_Tax::_update_tax_rate($id, $data);
     // Update locales.
     if (!isset($request['postcode'])) {
         WC_Tax::_update_tax_rate_postcodes($id, wc_clean($request['postcode']));
     }
     if (!isset($request['city'])) {
         WC_Tax::_update_tax_rate_cities($id, wc_clean($request['city']));
     }
     $tax = WC_Tax::_get_tax_rate($id, OBJECT);
     $this->update_additional_fields_for_object($tax, $request);
     /**
      * Fires after a tax is created or updated via the REST API.
      *
      * @param stdClass        $tax       Data used to create the tax.
      * @param WP_REST_Request $request   Request object.
      * @param boolean         $creating  True when creating tax, false when updating tax.
      */
     do_action('woocommerce_rest_insert_tax', $tax, $request, false);
     $request->set_param('context', 'edit');
     $response = $this->prepare_item_for_response($tax, $request);
     $response = rest_ensure_response($response);
     return $response;
 }