qwc-front.php

<?php
if(!defined('ABSPATH'))exit;

function qwc_add_filters_front() {

	remove_filter('get_post_metadata', 'qtranxf_filter_postmeta', 5);
	add_filter('get_post_metadata', 'qwc_filter_postmeta', 5, 4);

	$use_filters = array(
		/* do not exist any more */
		//'option_woocommerce_email_from_name' => 10,
		//'the_title_attribute' => 10,
		//'woocommerce_order_product_title' => 10,
		//'woocommerce_composite_component_title' => 10,
		//'woocommerce_composite_component_description' => 10,
		//'woocommerce_composited_product_excerpt' => 10,
		//'woocommerce_bto_component_title' => 10,
		//'woocommerce_bto_component_description' => 10,
		//'woocommerce_bto_product_excerpt' => 10,
		//'woocommerce_bundled_item_title' => 10,
		//'woocommerce_bundled_item_description' => 10,
		//'woocommerce_in_cart_product_title' => 10,
		//'woocommerce_order_table_product_title' => 10,

		/* one-argument filters */
		'wp_mail_from_name' => 20,
		'woocommerce_order_item_display_meta_value' => 20,
		'woocommerce_order_items_table' => 20,
		'woocommerce_page_title' => 20,
		'woocommerce_short_description' => 20,
		'woocommerce_variation_option_name' => 20,
		//'woocommerce_shipping_methods' => 20

		/* two-argument filters */
		'woocommerce_attribute_label' => 20,
		'woocommerce_cart_shipping_method_full_label' => 20,
		'woocommerce_cart_tax_totals' => 20,
		'woocommerce_email_footer_text' => 20,
		'woocommerce_gateway_description' => 20,
		'woocommerce_gateway_title' => 20,
		'woocommerce_gateway_icon' => 20,
		'woocommerce_order_item_name' => 20,
		'woocommerce_order_shipping_to_display' => 20,
		'woocommerce_order_tax_totals' => 20,
		'woocommerce_product_title' => 20,
		'woocommerce_rate_label' => 20,

		/* three-argument filters */
		'woocommerce_attribute' => 20,
		'woocommerce_cart_item_name' => 20,
		'woocommerce_cart_item_thumbnail' => 20,
		'woocommerce_order_subtotal_to_display' => 20,

		/* four-argument filters */
		'woocommerce_format_content' => 20,//function wc_format_content in woocommerce/includes/wc-formatting-functions.php

		//not in front
		//'woocommerce_email_get_option' => 0
	);

	foreach ( $use_filters as $name => $priority ) {
		add_filter( $name, 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage', $priority );
	}

	add_filter( 'woocommerce_paypal_args', 'qwc_paypal_args' );
	add_filter( 'woocommerce_get_product_attributes', 'qwc_get_product_attributes', 5 );
	//no need add_filter( 'woocommerce_product_default_attributes', 'qwc_product_default_attributes', 5 );

	//below do not seem to need

	//foreach ( $url_filters as $name => $priority ) {
	//	add_filter( $name, 'qtranxf_convertURL', $priority );
	//}

	/* Fix the product categories and tags (displayed above the "additional informations" tab) *
	add_filter( 'wp_get_object_terms', function ( $terms ) {
		foreach ( $terms as $term ) {
			if ( $term->taxonomy == 'product_cat' || $term->taxonomy == 'product_tag' ) {
				$term->name = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage( $term->name );
			}
		}

		return $terms;
	} );

	/* Fix the product attributes (displayed in the "additional informations" tab) *
	add_filter( 'woocommerce_attribute', function ( $text ) {
		$values = explode( ', ', $text );
		foreach ( $values as $i => $val ) {
			$values[ $i ] = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage( $val );
		}

		return implode( ', ', $values );
	} );
	*/
}

function qwc_filter_postmeta($original_value, $object_id, $meta_key = '', $single = false){
	//qtranxf_dbg_log_if($object_id==58,'qwc_filter_postmeta: $object_id='.$object_id.' $meta_key:',$meta_key);
	switch($meta_key){
		case '_product_attributes':
			return $original_value;
		default: return qtranxf_filter_postmeta($original_value, $object_id, $meta_key, $single);
	}
}

/**
 * Store the current WordPress language along with the order, so we know later on which language the customer used while ordering
 * Called with
 * do_action( 'woocommerce_checkout_update_order_meta', $order_id, $this->posted );
 * in /woocommerce/includes/class-wc-checkout.php
 * @since 1.1
 */
add_action( 'woocommerce_checkout_update_order_meta', 'save_post_qwc_store_language', 100 );
function save_post_qwc_store_language ( $order_id ) {
	global $q_config;
	add_post_meta( $order_id, '_user_language', $q_config['language'], true );
}

function qwc_get_product_attributes($attributes){
	//only 'value' needs to be translated at front end
	foreach ( $attributes as $key => $attribute ) {
		if(!isset($attribute['value'])) continue;
		$attributes[$key]['value'] = qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage($attribute['value']);
	}
	return $attributes;
}

function qwc_paypal_args($args)
{
	//if(!isset($args['country']))
	$args['lc'] = get_locale();
	//unset($args['country']);
	return $args;
}

/**
 * Dealing with webhooks, which should always send information in Raw ML format
 * @since 1.4
 */
if(defined('DOING_CRON')){

function qwc_deliver_webhook_async($webhook_id, $arg)
{
	//qtranxf_dbg_log('qwc_deliver_webhook_async: $webhook_id=',$webhook_id);

	$page_configs = qtranxf_get_front_page_config();
	//qtranxf_dbg_log('$page_configs: ', $page_configs);
	if(!empty($page_configs['']['filters'])){
		qtranxf_remove_filters($page_configs['']['filters']);
	}

	remove_filter('get_post_metadata', 'qtranxf_filter_postmeta', 5);
	remove_filter('the_posts', 'qtranxf_postsFilter', 5);
	remove_action('pre_get_posts', 'qtranxf_pre_get_posts', 99);

	remove_filter('get_term', 'qtranxf_useTermLib', 0);
	remove_filter('get_terms', 'qtranxf_useTermLib', 0);
	//add_filter('get_term', 'qtranxf_useAdminTermLibJoin', 20);
	//add_filter('get_terms', 'qtranxf_useAdminTermLibJoin', 20);
}
add_action( 'woocommerce_deliver_webhook_async', 'qwc_deliver_webhook_async', 5, 2 );

}else{
	qwc_add_filters_front();
}

/**
 * Dealing with mini-cart cache in internal browser storage.
 * @param array $cart wc variable holding contents of the cart without language information.
 * @return string cart hash with language information
 * @since 1.4
 */
function qwc_get_cart_hash($cart)
{
	$lang = qtranxf_getLanguage();
	$hash = md5(json_encode($cart).$lang); 
	return $hash;
}

/**
 * Dealing with mini-cart cache in internal browser storage.
 * Sets 'woocommerce_cart_hash' cookie.
 * @param array $cart wc variable holding contents of the cart without language information.
 * @since 1.4
 */
function qwc_set_cookies_cart_hash($cart)
{
	$hash = qwc_get_cart_hash($cart); 
	wc_setcookie( 'woocommerce_cart_hash', $hash );
}

/**
 * Dealing with mini-cart cache in internal browser storage.
 * Response to action 'woocommerce_cart_loaded_from_session'.
 * @param WC_Cart $wc_cart wc object without language information.
 * @since 1.4
 */
function qwc_cart_loaded_from_session($wc_cart)
{
	if(headers_sent())
		return;
	$cart = $wc_cart->get_cart_for_session();
	qwc_set_cookies_cart_hash($cart);
}
add_action( 'woocommerce_cart_loaded_from_session', 'qwc_cart_loaded_from_session', 5 );

/**
 * Dealing with mini-cart cache in internal browser storage.
 * Response to action 'woocommerce_set_cart_cookies', which overwrites the default WC cart hash and cookies.
 * @param bool $set is true if cookies need to be set, otherwse they are unset in calling function.
 * @since 1.4
 */
function qwc_set_cart_cookies($set)
{
	if($set){
		$wc = WC();
		$wc_cart = $wc->cart;
		$cart = $wc_cart->get_cart_for_session();
		qwc_set_cookies_cart_hash($cart);
	}
}
add_action( 'woocommerce_set_cart_cookies', 'qwc_set_cart_cookies' );

/**
 * Dealing with mini-cart cache in internal browser storage.
 * Response to action 'woocommerce_add_to_cart_hash', which overwrites the default WC cart hash and cookies.
 * @param string $hash default WC hash.
 * @param array $cart wc variable holding contents of the cart without language information.
 * @since 1.4
 */
function qwc_add_to_cart_hash($hash,$cart)
{
	$hash = qwc_get_cart_hash($cart); 
	if(!headers_sent()){
		wc_setcookie( 'woocommerce_cart_hash', $hash );
	}
	return $hash;
}
add_filter( 'woocommerce_add_to_cart_hash', 'qwc_add_to_cart_hash', 5, 2 );