<?php
namespace MailPoet\Twig;
if (!defined('ABSPATH')) exit;
use MailPoet\Config\Localizer;
use MailPoet\InvalidStateException;
use MailPoet\WP\Functions as WPFunctions;
use MailPoetVendor\Twig\Extension\AbstractExtension;
use MailPoetVendor\Twig\TwigFunction;
class I18n extends AbstractExtension {
private $textDomains;
public function __construct(
$textDomain
) {
// set text domain
$this->textDomains = [$textDomain, 'woocommerce'];
}
public function getFunctions() {
// twig custom functions
$twigFunctions = [];
// list of WP functions to map
$functions = [
'localize' => 'localize',
'__' => 'translate',
'_n' => 'pluralize',
'_x' => 'translateWithContext',
'get_locale' => 'getLocale',
'date' => 'date',
];
foreach ($functions as $twigFunction => $function) {
$callable = [$this, $function];
if (!is_callable($callable)) {
throw new InvalidStateException('Trying to register non-existing function to Twig.');
}
$twigFunctions[] = new TwigFunction(
$twigFunction,
$callable,
['is_safe' => ['all']]
);
}
return $twigFunctions;
}
public function localize() {
$args = func_get_args();
$translations = array_shift($args);
$output = [];
$output[] = '<script type="text/javascript">';
foreach ($translations as $key => $translation) {
$output[] =
'MailPoet.I18n.add("' . $key . '", "' . str_replace(['"', "\n", "\r"], ['\"', " ", ""], $translation ?? '') . '");';
}
$output[] = '</script>';
return join("\n", $output);
}
public function translate() {
$args = func_get_args();
return call_user_func_array('__', $this->setTextDomain($args));
}
public function pluralize() {
$args = func_get_args();
return call_user_func_array('_n', $this->setTextDomain($args));
}
public function translateWithContext() {
$args = func_get_args();
return call_user_func_array('_x', $this->setTextDomain($args));
}
public function getLocale() {
$localizer = new Localizer;
return $localizer->locale();
}
public function date() {
$args = func_get_args();
$date = (isset($args[0])) ? $args[0] : null;
$dateFormat = (isset($args[1])) ? $args[1] : WPFunctions::get()->getOption('date_format');
if (empty($date)) return;
// check if it's an int passed as a string
if ((string)(int)$date === $date) {
$date = (int)$date;
} else if (!is_int($date)) {
$date = strtotime($date);
}
return WPFunctions::get()->getDateFromGmt(date('Y-m-d H:i:s', (int)$date), $dateFormat);
}
private function setTextDomain($args = []) {
// make sure that the last argument is our text domain
if (!in_array($args[count($args) - 1], $this->textDomains)) {
// otherwise add it to the list of arguments
$args[] = $this->textDomains[0];
}
return $args;
}
}