Course: Implement MBZ file generation for Moodle 3/4 backups (single-choice quizzes)

main/course_info/download.php

@@ -27,8 +27,8 @@
 $content_type = '';
 $_cid = api_get_course_int_id();
 
-if (in_array($extension, ['xml', 'csv', 'imscc']) &&
-    (api_is_platform_admin(true) || api_is_drh() || (CourseManager::is_course_teacher(api_get_user_id(), api_get_course_id())))
+if (in_array($extension, ['xml', 'csv', 'imscc', 'mbz']) &&
+    (api_is_platform_admin(true) || api_is_drh() || CourseManager::is_course_teacher(api_get_user_id(), api_get_course_id()))
 ) {
     $content_type = 'application/force-download';
 } elseif ('zip' === $extension && $_cid && (api_is_platform_admin(true) || api_is_course_admin())) {

main/course_info/maintenance.php

@@ -47,6 +47,12 @@
             </a><br/>
             <?php echo get_lang('ImportFromMoodleInfo'); ?>
         </li>
+        <li>
+            <a href="../coursecopy/export_moodle.php?<?php echo api_get_cidreq(); ?>">
+                <?php echo get_lang('ExportToMoodle'); ?>
+            </a><br/>
+            <?php echo get_lang('ExportToMoodleInfo'); ?>
+        </li>
     </ul>
 </div>
 

main/coursecopy/export_moodle.php

@@ -0,0 +1,170 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+use Chamilo\CourseBundle\Component\CourseCopy\CourseBuilder;
+use Chamilo\CourseBundle\Component\CourseCopy\CourseSelectForm;
+use moodleexport\MoodleExport;
+
+/**
+ * Create a Moodle export.
+ *
+ */
+require_once __DIR__.'/../inc/global.inc.php';
+require_once api_get_path(SYS_PATH).'main/work/work.lib.php';
+
+$current_course_tool = TOOL_COURSE_MAINTENANCE;
+
+api_protect_course_script(true);
+
+// Check access rights (only teachers are allowed here)
+if (!api_is_allowed_to_edit()) {
+    api_not_allowed(true);
+}
+
+api_check_archive_dir();
+api_set_more_memory_and_time_limits();
+
+// Section for the tabs
+$this_section = SECTION_COURSES;
+
+// Breadcrumbs
+$interbreadcrumb[] = [
+    'url' => api_get_path(WEB_CODE_PATH).'course_info/maintenance.php',
+    'name' => get_lang('Maintenance'),
+];
+
+// Displaying the header
+$nameTools = get_lang('ExportToMoodle');
+Display::display_header($nameTools);
+
+// Display the tool title
+echo Display::page_header($nameTools);
+$action = isset($_POST['action']) ? $_POST['action'] : '';
+$exportOption = isset($_POST['export_option']) ? $_POST['export_option'] : '';
+
+// Handle course selection form submission
+if ($action === 'course_select_form' && Security::check_token('post')) {
+    // Handle the selected resources and continue with export
+    $selectedResources = $_POST['resource'] ?? null;
+
+    if (!empty($selectedResources)) {
+        // Rebuild the course object based on selected resources
+        $cb = new CourseBuilder('partial');
+        $course = $cb->build(0, null, false, array_keys($selectedResources), $selectedResources);
+
+        // Get admin details
+        $adminId = (int) $_POST['admin_id'];
+        $adminUsername = $_POST['admin_username'];
+        $adminEmail = $_POST['admin_email'];
+
+        $exporter = new MoodleExport($course);
+        $exporter->setAdminUserData($adminId, $adminUsername, $adminEmail);
+
+        // Perform export
+        $courseId = api_get_course_id();
+        $exportDir = 'moodle_export_' . $courseId;
+        try {
+            $moodleVersion = isset($_POST['moodle_version']) ? $_POST['moodle_version'] : '3';
+            $mbzFile = $exporter->export($courseId, $exportDir, $moodleVersion);
+
+            echo Display::return_message(get_lang('MoodleExportCreated'), 'confirm');
+            echo '<br />';
+            echo Display::url(
+                get_lang('Download'),
+                api_get_path(WEB_CODE_PATH).'course_info/download.php?archive_path=1&archive='.basename($mbzFile).'&'.api_get_cidreq(),
+                ['class' => 'btn btn-primary btn-large']
+            );
+        } catch (Exception $e) {
+            echo Display::return_message(get_lang('ErrorCreatingExport').': '.$e->getMessage(), 'error');
+        }
+        exit();
+    } else {
+        echo Display::return_message(get_lang('NoResourcesSelected'), 'warning');
+    }
+} else {
+    $form = new FormValidator(
+        'create_export_form',
+        'post',
+        api_get_self().'?'.api_get_cidreq()
+    );
+    $form->addElement('radio', 'export_option', '', get_lang('CreateFullExport'), 'full_export');
+    $form->addElement('radio', 'export_option', '', get_lang('LetMeSelectItems'), 'select_items');
+    $form->addElement('select', 'moodle_version', get_lang('MoodleVersion'), [
+        '3' => 'Moodle 3.x',
+        '4' => 'Moodle 4.x',
+    ]);
+
+    $form->addElement('text', 'admin_id', get_lang('AdminID'), ['maxlength' => 10, 'size' => 10]);
+    $form->addElement('text', 'admin_username', get_lang('AdminUsername'), ['maxlength' => 100, 'size' => 50]);
+    $form->addElement('text', 'admin_email', get_lang('AdminEmail'), ['maxlength' => 100, 'size' => 50]);
+
+    // Add validation rules
+    $form->addRule('admin_id', get_lang('ThisFieldIsRequired'), 'required');
+    $form->addRule('admin_username', get_lang('ThisFieldIsRequired'), 'required');
+    $form->addRule('admin_email', get_lang('ThisFieldIsRequired'), 'required');
+    $form->addRule('admin_email', get_lang('EnterValidEmail'), 'email');
+
+    $values['export_option'] = 'select_items';
+    $form->setDefaults($values);
+
+    // Add buttons
+    $form->addButtonSave(get_lang('CreateExport'));
+    $form->addProgress();
+
+    if ($form->validate()) {
+        $values = $form->exportValues();
+        $adminId = (int) $values['admin_id'];
+        $adminUsername = $values['admin_username'];
+        $adminEmail = $values['admin_email'];
+
+        if ($values['export_option'] === 'full_export') {
+            $cb = new CourseBuilder('complete');
+            $course = $cb->build();
+
+            $exporter = new MoodleExport($course);
+            $exporter->setAdminUserData($adminId, $adminUsername, $adminEmail);
+
+            $courseId = api_get_course_id();  // Get course ID
+            $exportDir = 'moodle_export_' . $courseId;
+
+            try {
+                $moodleVersion = isset($values['moodle_version']) ? $values['moodle_version'] : '3';
+                $mbzFile = $exporter->export($courseId, $exportDir, $moodleVersion);
+                echo Display::return_message(get_lang('MoodleExportCreated'), 'confirm');
+                echo '<br />';
+                echo Display::url(
+                    get_lang('Download'),
+                    api_get_path(WEB_CODE_PATH).'course_info/download.php?archive_path=1&archive='.basename($mbzFile).'&'.api_get_cidreq(),
+                    ['class' => 'btn btn-primary btn-large']
+                );
+            } catch (Exception $e) {
+                echo Display::return_message(get_lang('ErrorCreatingExport').': '.$e->getMessage(), 'error');
+            }
+        } elseif ($values['export_option'] === 'select_items') {
+            // Partial export - go to the item selection step
+            $cb = new CourseBuilder('partial');
+            $course = $cb->build();
+            if ($course->has_resources()) {
+                // Add token to Course select form
+                $hiddenFields['sec_token'] = Security::get_token();
+                $hiddenFields['admin_id'] = $adminId;
+                $hiddenFields['admin_username'] = $adminUsername;
+                $hiddenFields['admin_email'] = $adminEmail;
+
+                CourseSelectForm::display_form($course, $hiddenFields, false, true);
+            } else {
+                echo Display::return_message(get_lang('NoResourcesToExport'), 'warning');
+            }
+        }
+    } else {
+        echo '<div class="row">';
+        echo '<div class="col-md-12">';
+        echo '<div class="tool-export">';
+        $form->display();
+        echo '</div>';
+        echo '</div>';
+    }
+}
+
+Display::display_footer();

main/inc/lib/document.lib.php

@@ -7533,6 +7533,66 @@ private static function getButtonDelete(
         return $btn;
     }
 
+    /**
+     * Retrieves all documents in a course by their parent folder ID.
+     *
+     * @param array  $courseInfo      Information about the course.
+     * @param int    $parentId        The ID of the parent folder.
+     * @param int    $toGroupId       (Optional) The ID of the group to filter by. Default is 0.
+     * @param int|null $toUserId      (Optional) The ID of the user to filter by. Default is null.
+     * @param bool   $canSeeInvisible (Optional) Whether to include invisible documents. Default is false.
+     * @param bool   $search          (Optional) Whether to perform a search or fetch all documents. Default is true.
+     * @param int    $sessionId       (Optional) The session ID to filter by. Default is 0.
+     *
+     * @return array List of documents that match the criteria.
+     */
+    public static function getAllDocumentsByParentId(
+        $courseInfo,
+        $parentId,
+        $toGroupId = 0,
+        $toUserId = null,
+        $canSeeInvisible = false,
+        $search = true,
+        $sessionId = 0
+    ) {
+        if (empty($courseInfo)) {
+            return [];
+        }
+
+        $tblDocument = Database::get_course_table(TABLE_DOCUMENT);
+
+        $parentId = (int) $parentId;
+
+        $sql = "SELECT path, filetype
+            FROM $tblDocument
+            WHERE id = $parentId
+              AND c_id = {$courseInfo['real_id']}";
+
+        $result = Database::query($sql);
+
+        if ($result === false || Database::num_rows($result) == 0) {
+            return [];
+        }
+
+        $parentRow = Database::fetch_array($result, 'ASSOC');
+        $parentPath = $parentRow['path'];
+        $filetype = $parentRow['filetype'];
+
+        if ($filetype !== 'folder') {
+            return [];
+        }
+
+        return self::getAllDocumentData(
+            $courseInfo,
+            $parentPath,
+            $toGroupId,
+            $toUserId,
+            $canSeeInvisible,
+            $search,
+            $sessionId
+        );
+    }
+
     /**
      * Include MathJax script in document.
      *