Sách Giáo Khoa Việt Nam - sachgiaokhoa.org

CodeIgniter 4 website:
- Catalog 999 SGK (lớp 1-12) từ API, lọc theo lớp/môn/NXB, tìm kiếm
- Trang chủ grouped browse (bậc học -> lớp -> môn, ưu tiên môn quan trọng)
- Chi tiết sách: metadata đầy đủ, cover nghệ thuật /thumb/{W}x{H}/
- Đọc online qua gate captcha + countdown, PDF viewer pdf.js
- Download: captcha + token một lần + auto cache-bust version
- Tự đồng bộ catalog/cover khi API thay đổi (refresh:catalog)
- Legal: DMCA, miễn trừ trách nhiệm, điều khoản, bảo mật, liên hệ

app/Controllers/BaseController.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Controllers;
+
+use CodeIgniter\Controller;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\ResponseInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * BaseController provides a convenient place for loading components
+ * and performing functions that are needed by all your controllers.
+ *
+ * Extend this class in any new controllers:
+ * ```
+ *     class Home extends BaseController
+ * ```
+ *
+ * For security, be sure to declare any new methods as protected or private.
+ */
+abstract class BaseController extends Controller
+{
+    /**
+     * Be sure to declare properties for any property fetch you initialized.
+     * The creation of dynamic property is deprecated in PHP 8.2.
+     */
+
+    // protected $session;
+
+    /**
+     * @return void
+     */
+    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
+    {
+        // Load here all helpers you want to be available in your controllers that extend BaseController.
+        // Caution: Do not put the this below the parent::initController() call below.
+        // $this->helpers = ['form', 'url'];
+
+        // Caution: Do not edit this line.
+        parent::initController($request, $response, $logger);
+
+        // Preload any models, libraries, etc, here.
+        // $this->session = service('session');
+    }
+}