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- class Basic_CurrencySwitcher_Integration {
- /**
- * Basic integration with WooCommerce Currency Switcher, developed by Aelia
- * (http://aelia.co). This method can be used by any 3rd party plugin to
- * return prices converted to the active currency.
- *
- * Need a consultation? Find us on Codeable: https://aelia.co/hire_us
- *
- * @param double price The source price.
- * @param string to_currency The target currency. If empty, the active currency
- * will be taken.
- * @param string from_currency The source currency. If empty, WooCommerce base
- * currency will be taken.
- * @return double The price converted from source to destination currency.
- * @author Aelia <support@aelia.co>
- * @link https://aelia.co
- */
- protected function get_price_in_currency($price, $to_currency = null, $from_currency = null) {
- // If source currency is not specified, take the shop's base currency as a default
- if(empty($from_currency)) {
- $from_currency = get_option('woocommerce_currency');
- }
- // If target currency is not specified, take the active currency as a default.
- // The Currency Switcher sets this currency automatically, based on the context. Other
- // plugins can also override it, based on their own custom criteria, by implementing
- // a filter for the "woocommerce_currency" hook.
- //
- // For example, a subscription plugin may decide that the active currency is the one
- // taken from a previous subscription, because it's processing a renewal, and such
- // renewal should keep the original prices, in the original currency.
- if(empty($to_currency)) {
- $to_currency = get_woocommerce_currency();
- }
- // Call the currency conversion filter. Using a filter allows for loose coupling. If the
- // Aelia Currency Switcher is not installed, the filter call will return the original
- // amount, without any conversion being performed. Your plugin won't even need to know if
- // the multi-currency plugin is installed or active
- return apply_filters('wc_aelia_cs_convert', $price, $from_currency, $to_currency);
- }
- /**
- * Performs a simple test conversion.
- */
- public function test_conversion() {
- $price = 123;
- // Just call the get_price_in_currency() method, no further action required
- return $this->get_price_in_currency($price);
- }
- public function __construct() {
- add_filter('wc_aelia_currencyswitcher_product_convert_callback', array($this, 'wc_aelia_currencyswitcher_product_convert_callback'), 10, 2);
- }
- /**
- * Alter the callbacks used by the Currency Switcher, replacing the callback
- * for a "my_custom_product" type with a custon one.
- *
- * @param callable convert_callback The original callback.
- * @param WC_Product product The callback being converted.
- * @return callable The callback that will convert the product's prices.
- */
- public function wc_aelia_currencyswitcher_product_convert_callback($convert_callback, $product) {
- if($product->product_type === 'my_custom_product') {
- $convert_callback = array($this, 'convert_my_custom_product');
- }
- return $convert_callback;
- }
- /**
- * Converts the prices of a custom product to the specified currency.
- *
- * @param WC_Product product A variable product.
- * @param string currency A currency code.
- * @return WC_Product The product with converted prices.
- */
- public function convert_my_custom_product($product, $currency) {
- /* Here you can implement your custom logic to convert the prices.
- * The two lines below are just an example. Here you can do anything you
- * want with the product, to ensure that its prices are converted correctly.
- */
- $product->my_custom_price = $this->get_price_in_currency($product->my_custom_price);
- $product->my_other_custom_price = $this->get_price_in_currency($product->my_other_custom_price);
- return $product;
- }
- }
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