feat: implement Phase 1 - Core Page Cache and Admin Settings UI

Implement the core page caching functionality and admin settings interface for WP Recache plugin. This includes: - Plugin bootstrap with activation/deactivation handlers - Admin settings page with tabbed interface (Cache, Optimization, Advanced) - Admin bar integration for quick cache purging - Core page cache using output buffering - Cache file management with mobile device separation - Cache purge on post update/comment - Default URL exclusions (cart, checkout, account) - Cache statistics display - PHPUnit test suite setup - Docker-based development environment - PHPStan configuration for static analysis References: - Closes #1 (Core Page Cache) - Closes #8 (Admin Settings UI)
2026-09-13 09:56:35 +02:00
parent 88a0531d90
commit 33099591f5
18 changed files with 1452 additions and 0 deletions
@@ -0,0 +1,96 @@
+<?php
+/**
+ * Plugin activation handler.
+ *
+ * @package WP_Recache
+ */
+
+defined('ABSPATH') || exit;
+
+class WP_Recache_Activator {
+
+    /**
+     * Run activation routines.
+     */
+    public static function activate() {
+        self::create_cache_directory();
+        self::set_default_options();
+        self::create_advanced_cache();
+        self::flush_rewrite_rules();
+    }
+
+    /**
+     * Create cache directory.
+     */
+    private static function create_cache_directory() {
+        if (!is_dir(WP_RECACHE_CACHE_PATH)) {
+            wp_mkdir_p(WP_RECACHE_CACHE_PATH);
+        }
+
+        $htaccess = WP_RECACHE_CACHE_PATH . '.htaccess';
+        if (!file_exists($htaccess)) {
+            file_put_contents($htaccess, "Deny from all\n");
+        }
+
+        $index = WP_RECACHE_CACHE_PATH . 'index.php';
+        if (!file_exists($index)) {
+            file_put_contents($index, '<?php // Silence is golden.');
+        }
+    }
+
+    /**
+     * Set default options.
+     */
+    private static function set_default_options() {
+        $defaults = [
+            'cache_enabled' => true,
+            'separate_mobile_cache' => false,
+            'exclude_urls' => ['/cart', '/checkout', '/my-account'],
+            'minify_css' => false,
+            'minify_js' => false,
+            'lazyload_images' => false,
+            'preload_enabled' => false,
+        ];
+
+        foreach ($defaults as $key => $value) {
+            if (get_option("wp_recache_{$key}") === false) {
+                add_option("wp_recache_{$key}", $value);
+            }
+        }
+    }
+
+    /**
+     * Create advanced-cache.php drop-in.
+     */
+    private static function create_advanced_cache() {
+        $advanced_cache = WP_CONTENT_DIR . '/advanced-cache.php';
+
+        if (file_exists($advanced_cache)) {
+            return;
+        }
+
+        $content = '<?php
+/**
+ * WP Recache advanced cache.
+ *
+ * This file is automatically generated by WP Recache.
+ * Do not edit this file manually.
+ */
+
+defined(\'ABSPATH\') || exit;
+
+if (file_exists(WP_CONTENT_DIR . \'/wp-recache-cache.php\')) {
+    require_once WP_CONTENT_DIR . \'/wp-recache-cache.php\';
+}
+';
+
+        file_put_contents($advanced_cache, $content);
+    }
+
+    /**
+     * Flush rewrite rules.
+     */
+    private static function flush_rewrite_rules() {
+        flush_rewrite_rules();
+    }
+}