Actualización

2025-04-10 12:36:07 +02:00
parent 1da7c3f3b9
commit 4aff98e77b
3147 changed files with 320647 additions and 0 deletions
--- a/plugin/search_course/lib/register_course_widget.class.php
+++ b/plugin/search_course/lib/register_course_widget.class.php
@@ -0,0 +1,144 @@
+<?php
+
+/**
+ * Register course widget.
+ * Handles user's registration action.
+ * Display a register to course form if required.
+ *
+ * @copyright (c) 2011 University of Geneva
+ * @license GNU General Public License - http://www.gnu.org/copyleft/gpl.html
+ * @author Laurent Opprecht
+ */
+class RegisterCourseWidget
+{
+    public const ACTION_SUBSCRIBE = 'subscribe';
+    public const PARAM_SUBSCRIBE = 'subscribe';
+    public const PARAM_PASSCODE = 'course_registration_code';
+
+    /**
+     * Returns $_POST data for $key is it exists or $default otherwise.
+     *
+     * @param string $key
+     * @param object $default
+     *
+     * @return string
+     */
+    public static function post($key, $default = '')
+    {
+        return isset($_POST[$key]) ? $_POST[$key] : $default;
+    }
+
+    /**
+     * Returns $_GET data for $key is it exists or $default otherwise.
+     *
+     * @param string $key
+     * @param object $default
+     *
+     * @return string
+     */
+    public static function get($key, $default = '')
+    {
+        return isset($_GET[$key]) ? $_GET[$key] : $default;
+    }
+
+    /**
+     * @return RegisterCourseWidget
+     */
+    public static function factory()
+    {
+        return new self();
+    }
+
+    public function run()
+    {
+        return $this->action_subscribe_user();
+    }
+
+    /**
+     * Handle the subscribe action.
+     *
+     * @return bool
+     */
+    public function action_subscribe_user()
+    {
+        $action = self::get('action');
+        if ($action != self::ACTION_SUBSCRIBE) {
+            return false;
+        }
+
+        $course_code = self::post(self::PARAM_SUBSCRIBE);
+        if (empty($course_code)) {
+            return false;
+        }
+
+        $registration_code = self::post(self::PARAM_PASSCODE);
+
+        if ($this->subscribe_user($course_code, $registration_code)) {
+            echo Display::return_message(get_lang('EnrollToCourseSuccessful'), 'confirmation');
+
+            return;
+        }
+        if (!empty($registration_code)) {
+            echo Display::return_message(get_lang('CourseRegistrationCodeIncorrect'), 'error');
+        }
+        $this->display_form($course_code);
+
+        return true;
+    }
+
+    /**
+     * Regiser a user to a course.
+     * Returns true on success, false otherwise.
+     *
+     * @param string $course_code
+     * @param string $registration_code
+     * @param int    $user_id
+     *
+     * @return bool
+     */
+    public function subscribe_user($course_code, $registration_code = '', $user_id = null)
+    {
+        $course = api_get_course_info($course_code);
+        $course_regisration_code = $course['registration_code'];
+        if (!empty($course_regisration_code) && $registration_code != $course_regisration_code) {
+            return false;
+        }
+
+        if (empty($user_id)) {
+            global $_user;
+            $user_id = $_user['user_id'];
+        }
+
+        return (bool) CourseManager::subscribeUser($user_id, $course_code);
+    }
+
+    /**
+     * Display the course registration form.
+     * Asks for registration code/password.
+     *
+     * @param string $course_code
+     */
+    public function display_form($course_code)
+    {
+        global $stok;
+
+        $course = api_get_course_info($course_code);
+        $self = $_SERVER['REQUEST_URI'];
+        $course_code = $course['code'];
+        $course_visual_code = $course['visual_code'];
+        $course_title = $course['title'];
+        $submit_registration_code_label = get_lang("SubmitRegistrationCode");
+        $course_requires_password_label = get_lang('CourseRequiresPassword');
+
+        $result = <<<EOT
+            $course_requires_password_label<br/>
+            $course_visual_code - $course_title
+            <form action="$self" method="post">
+            <input type="hidden" name="sec_token" value="$stok" />
+            <input type="hidden" name="subscribe" value="$course_code" />
+            <input type="text" name="course_registration_code" value="$registration_code" />
+            <input type="Submit" name="submit_course_registration_code" value="OK" alt="$submit_registration_code_label" /></form>
+EOT;
+        echo $result;
+    }
+}