upgrade

main/inc/lib/moodleexport/FolderExport.php

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+<?php
+
+/* For licensing terms, see /license.txt */
+
+namespace moodleexport;
+
+/**
+ * Class FolderExport.
+ *
+ * Handles the export of folders within a course.
+ */
+class FolderExport extends ActivityExport
+{
+    /**
+     * Export a folder to the specified directory.
+     *
+     * @param int    $activityId The ID of the folder.
+     * @param string $exportDir  The directory where the folder will be exported.
+     * @param int    $moduleId   The ID of the module.
+     * @param int    $sectionId  The ID of the section.
+     */
+    public function export($activityId, $exportDir, $moduleId, $sectionId): void
+    {
+        // Prepare the directory where the folder export will be saved
+        $folderDir = $this->prepareActivityDirectory($exportDir, 'folder', $moduleId);
+
+        // Retrieve folder data
+        $folderData = $this->getData($activityId, $sectionId);
+
+        // Generate XML files
+        $this->createFolderXml($folderData, $folderDir);
+        $this->createModuleXml($folderData, $folderDir);
+        $this->createGradesXml($folderData, $folderDir);
+        $this->createFiltersXml($folderData, $folderDir);
+        $this->createGradeHistoryXml($folderData, $folderDir);
+        $this->createInforefXml($this->getFilesForFolder($activityId), $folderDir);
+        $this->createRolesXml($folderData, $folderDir);
+        $this->createCommentsXml($folderData, $folderDir);
+        $this->createCalendarXml($folderData, $folderDir);
+    }
+
+    /**
+     * Get folder data dynamically from the course.
+     */
+    public function getData(int $folderId, int $sectionId): ?array
+    {
+        if ($folderId === 0) {
+            return [
+                'id' => 0,
+                'moduleid' => 0,
+                'modulename' => 'folder',
+                'contextid' => 0,
+                'name' => 'Documents',
+                'sectionid' => $sectionId,
+                'timemodified' => time(),
+            ];
+        }
+
+        $folder = $this->course->resources['document'][$folderId];
+
+        return [
+            'id' => $folderId,
+            'moduleid' => $folder->source_id,
+            'modulename' => 'folder',
+            'contextid' => $folder->source_id,
+            'name' => $folder->title,
+            'sectionid' => $sectionId,
+            'timemodified' => time(),
+        ];
+    }
+
+    /**
+     * Create the XML file for the folder.
+     */
+    private function createFolderXml(array $folderData, string $folderDir): void
+    {
+        $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL;
+        $xmlContent .= '<activity id="'.$folderData['id'].'" moduleid="'.$folderData['moduleid'].'" modulename="folder" contextid="'.$folderData['contextid'].'">'.PHP_EOL;
+        $xmlContent .= '  <folder id="'.$folderData['id'].'">'.PHP_EOL;
+        $xmlContent .= '    <name>'.htmlspecialchars($folderData['name']).'</name>'.PHP_EOL;
+        $xmlContent .= '    <intro></intro>'.PHP_EOL;
+        $xmlContent .= '    <introformat>1</introformat>'.PHP_EOL;
+        $xmlContent .= '    <revision>1</revision>'.PHP_EOL;
+        $xmlContent .= '    <timemodified>'.$folderData['timemodified'].'</timemodified>'.PHP_EOL;
+        $xmlContent .= '    <display>0</display>'.PHP_EOL;
+        $xmlContent .= '    <showexpanded>1</showexpanded>'.PHP_EOL;
+        $xmlContent .= '    <showdownloadfolder>1</showdownloadfolder>'.PHP_EOL;
+        $xmlContent .= '    <forcedownload>1</forcedownload>'.PHP_EOL;
+        $xmlContent .= '  </folder>'.PHP_EOL;
+        $xmlContent .= '</activity>';
+
+        $this->createXmlFile('folder', $xmlContent, $folderDir);
+    }
+
+    /**
+     * Get the list of files for a folder.
+     */
+    private function getFilesForFolder(int $folderId): array
+    {
+        $files = [];
+        if ($folderId === 0) {
+            foreach ($this->course->resources[RESOURCE_DOCUMENT] as $doc) {
+                if ($doc->file_type === 'file') {
+                    $files[] = [
+                        'id' => (int) $doc->source_id,
+                        'contenthash' => hash('sha1', basename($doc->path)),
+                        'filename' => basename($doc->path),
+                        'filepath' => '/Documents/',
+                        'filesize' => (int) $doc->size,
+                        'mimetype' => $this->getMimeType($doc->path),
+                    ];
+                }
+            }
+        }
+
+        return ['files' => $files];
+    }
+
+    /**
+     * Get the MIME type for a given file.
+     */
+    private function getMimeType(string $filename): string
+    {
+        $ext = pathinfo($filename, PATHINFO_EXTENSION);
+        $mimetypes = [
+            'pdf' => 'application/pdf',
+            'png' => 'image/png',
+            'jpg' => 'image/jpeg',
+            'jpeg' => 'image/jpeg',
+            'doc' => 'application/msword',
+            'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+        ];
+
+        return $mimetypes[$ext] ?? 'application/octet-stream';
+    }
+}