154 lines
4.0 KiB
PHP
154 lines
4.0 KiB
PHP
<?php
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namespace Core\Objects\DatabaseEntity {
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use Core\Objects\DatabaseEntity\Attribute\MaxLength;
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use Core\Objects\DatabaseEntity\Attribute\Transient;
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use Core\Objects\DatabaseEntity\Controller\DatabaseEntity;
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// TODO: language from cookie?
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class Language extends DatabaseEntity {
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const AMERICAN_ENGLISH = 1;
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const GERMAN_STANDARD = 2;
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const LANG_CODE_PATTERN = "/^[a-zA-Z]{2}_[a-zA-Z]{2}$/";
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const LANG_MODULE_PATTERN = "/[a-zA-Z0-9_-]/";
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#[MaxLength(5)] private string $code;
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#[MaxLength(32)] private string $name;
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#[Transient] protected array $entries = [];
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public function __construct(int $id, string $code, string $name) {
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parent::__construct($id);
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$this->code = $code;
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$this->name = $name;
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}
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public function getCode(): string {
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return $this->code;
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}
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public function getShortCode(): string {
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return substr($this->code, 0, 2);
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}
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public function getName(): string {
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return $this->name;
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}
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public function sendCookie(string $domain) {
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setcookie('lang', $this->code, 0, "/", $domain, false, false);
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}
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public function jsonSerialize(): array {
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return array(
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'id' => $this->getId(),
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'code' => $this->code,
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'shortCode' => explode("_", $this->code)[0],
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'name' => $this->name,
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);
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}
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public function activate() {
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global $LANGUAGE;
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$LANGUAGE = $this;
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}
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public static function getInstance(): Language {
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global $LANGUAGE;
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return $LANGUAGE;
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}
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public static function DEFAULT_LANGUAGE(bool $fromCookie = true): Language {
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if ($fromCookie && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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$acceptLanguage = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
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$acceptedLanguages = explode(',', $acceptLanguage);
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foreach ($acceptedLanguages as $code) {
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if (strlen($code) == 2) {
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$code = $code . '_' . strtoupper($code);
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}
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$code = str_replace("-", "_", $code);
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if (!preg_match(self::LANG_CODE_PATTERN, $code)) {
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continue;
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}
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return new Language(0, $code, "");
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}
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}
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return new Language(1, "en_US", "American English");
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}
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public function getEntries(?string $module = null): ?array {
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if (!$module) {
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return $this->entries;
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} else {
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return $this->entries[$module] ?? null;
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}
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}
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public function translate(string $key): string {
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if (preg_match("/(\w+)\.(\w+)/", $key, $matches)) {
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$module = $matches[1];
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$moduleKey = $matches[2];
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if ($this->hasModule($module) && array_key_exists($moduleKey, $this->entries[$module])) {
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return $this->entries[$module][$moduleKey];
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}
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}
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return "[$key]";
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}
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public function addModule(string $module, array $entries) {
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if ($this->hasModule($module)) {
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$this->entries[$module] = array_merge($this->entries[$module], $entries);
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} else {
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$this->entries[$module] = $entries;
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}
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}
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public function loadModule(string $module, bool $forceReload=false): bool {
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if ($this->hasModule($module) && !$forceReload) {
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return true;
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}
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if (!preg_match(self::LANG_MODULE_PATTERN, $module)) {
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return false;
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}
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if (!preg_match(self::LANG_CODE_PATTERN, $this->code)) {
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return false;
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}
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foreach (["Site", "Core"] as $baseDir) {
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$filePath = realpath(implode("/", [$baseDir, "Localization", $this->code, "$module.php"]));
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if ($filePath && is_file($filePath)) {
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$moduleEntries = @include_once $filePath;
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$this->addModule($module, $moduleEntries);
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return true;
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}
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}
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return false;
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}
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public function hasModule(string $module): bool {
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return array_key_exists($module, $this->entries);
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}
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}
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}
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namespace {
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function L(string $key): string {
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if (!array_key_exists('LANGUAGE', $GLOBALS)) {
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return "[$key]";
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}
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global $LANGUAGE;
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return $LANGUAGE->translate($key);
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}
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}
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