Release version 1.0.1

- Add Twig template engine integration - Migrate all templates to Twig format - Add German (Switzerland, Informal) translation - Improve template organization and security - Add Composer dependency management - Create comprehensive changelog
2025-12-21 04:56:50 +01:00
commit 7273c9cde7
32 changed files with 2987 additions and 0 deletions
--- a/includes/class-wc-tpp-template-loader.php
+++ b/includes/class-wc-tpp-template-loader.php
@@ -0,0 +1,103 @@
+<?php
+/**
+ * Twig Template Loader for WC Tier Package Prices
+ *
+ * @package WC_Tier_Package_Prices
+ */
+
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+use Twig\Environment;
+use Twig\Loader\FilesystemLoader;
+use Twig\TwigFilter;
+use Twig\TwigFunction;
+
+class WC_TPP_Template_Loader {
+
+    private static $instance = null;
+    private $twig;
+
+    public static function get_instance() {
+        if (null === self::$instance) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+
+    private function __construct() {
+        $this->init_twig();
+    }
+
+    private function init_twig() {
+        $loader = new FilesystemLoader(WC_TPP_PLUGIN_DIR . 'templates');
+
+        $this->twig = new Environment($loader, array(
+            'cache' => WP_DEBUG ? false : WC_TPP_PLUGIN_DIR . 'templates/cache',
+            'auto_reload' => true,
+            'autoescape' => 'html',
+        ));
+
+        // Add WordPress translation filter
+        $this->twig->addFilter(new TwigFilter('__', function ($string, $domain = 'wc-tier-package-prices') {
+            return __($string, $domain);
+        }));
+
+        $this->twig->addFilter(new TwigFilter('_e', function ($string, $domain = 'wc-tier-package-prices') {
+            _e($string, $domain);
+        }));
+
+        $this->twig->addFilter(new TwigFilter('esc_html', 'esc_html'));
+        $this->twig->addFilter(new TwigFilter('esc_attr', 'esc_attr'));
+        $this->twig->addFilter(new TwigFilter('esc_url', 'esc_url'));
+
+        // Add WordPress functions
+        $this->twig->addFunction(new TwigFunction('get_option', 'get_option'));
+        $this->twig->addFunction(new TwigFunction('checked', function($checked, $current = true, $echo = false) {
+            return checked($checked, $current, $echo);
+        }));
+        $this->twig->addFunction(new TwigFunction('selected', function($selected, $current = true, $echo = false) {
+            return selected($selected, $current, $echo);
+        }));
+        $this->twig->addFunction(new TwigFunction('settings_fields', function($option_group) {
+            settings_fields($option_group);
+        }));
+        $this->twig->addFunction(new TwigFunction('submit_button', function($text = null) {
+            submit_button($text);
+        }));
+        $this->twig->addFunction(new TwigFunction('get_admin_page_title', 'get_admin_page_title'));
+        $this->twig->addFunction(new TwigFunction('wc_price', 'wc_price'));
+    }
+
+    /**
+     * Render a Twig template
+     *
+     * @param string $template Template file name (e.g., 'admin/settings-page.twig')
+     * @param array $context Variables to pass to the template
+     * @return string Rendered template
+     */
+    public function render($template, $context = array()) {
+        try {
+            return $this->twig->render($template, $context);
+        } catch (Exception $e) {
+            if (WP_DEBUG) {
+                return sprintf(
+                    '<div class="error"><p>Twig Error: %s</p></div>',
+                    esc_html($e->getMessage())
+                );
+            }
+            return '';
+        }
+    }
+
+    /**
+     * Display a Twig template
+     *
+     * @param string $template Template file name
+     * @param array $context Variables to pass to the template
+     */
+    public function display($template, $context = array()) {
+        echo $this->render($template, $context);
+    }
+}