/**
* Returns the Currency used in the Country to which a specific IP Address
* belongs.
*
* @param string host A host name or IP Address.
* @param string default_currency The Currency to use as a default in case the
* Country currency could not be detected.
* @return string|bool A currency code, or False if an error occurred.
*/
public function get_currency_by_host($host, $default_currency)
{
$ip2location = WC_Aelia_IP2Location::factory();
$country_code = $ip2location->get_country_code($host);
if ($country_code === false) {
Logger::log(sprintf(__('Could not retrieve Country Code for host "%s". Using ' . 'default currency: %s. Error messages (JSON): %s.', AELIA_CS_PLUGIN_TEXTDOMAIN), $host, $default_currency, json_encode($ip2location->get_errors())));
return $default_currency;
}
$country_currency = $this->get_country_currency($country_code);
if (WC_Aelia_CurrencySwitcher::settings()->is_currency_enabled($country_currency)) {
return $country_currency;
} else {
return $default_currency;
}
}
/**
* Returns the country code for the user, detecting it using the IP Address,
* if needed.
* IMPORTANT: WooCommerce stores the billing country in its "customer" property,
* while this method uses WooCommerce session when the billing country is selected.
* This must be done because the tax display option is retrieved by WooCommerce
* BEFORE the "customer" property is initialised. If we relied on such property,
* very often it would be empty, and we would return the incorrect country code.
*
* @return string
*/
public function get_billing_country()
{
if (!empty($this->billing_country)) {
return $this->billing_country;
}
$woocommerce = $this->wc();
$result = null;
if (self::doing_ajax() && isset($_POST['action']) && $_POST['action'] === 'woocommerce_update_order_review') {
// If user is on checkout page and changes the billing country, get the
// country code and store it in the session
check_ajax_referer('update-order-review', 'security');
if (isset($_POST[AELIA_CS_ARG_ORDER_BILLING_COUNTRY])) {
$result = $_POST[AELIA_CS_ARG_ORDER_BILLING_COUNTRY];
Aelia_SessionManager::set_value(AELIA_CS_SESSION_BILLING_COUNTRY, $result);
}
}
if (empty($result)) {
if (isset($_POST[AELIA_CS_ARG_BILLING_COUNTRY])) {
$result = $_POST[AELIA_CS_ARG_BILLING_COUNTRY];
Aelia_SessionManager::set_value(AELIA_CS_SESSION_BILLING_COUNTRY, $result);
}
}
// If no billing country was posted, check if one was stored in the session
if (empty($result)) {
$result = Aelia_SessionManager::get_value(AELIA_CS_SESSION_BILLING_COUNTRY);
}
// If no valid currency could be retrieved from customer's details, detect
// it using visitor's IP address
if (empty($result)) {
$result = WC_Aelia_IP2Location::factory()->get_visitor_country();
}
// If everything fails, take WooCommerce customer country or base country
if (empty($result)) {
$result = isset($woocommerce->customer) ? $woocommerce->customer->get_country() : $woocommerce->countries->get_base_country();
}
$this->billing_country = $result;
return $result;
}