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<?php |
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/* For licensing terms, see /license.txt */ |
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namespace moodleexport; |
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/** |
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* Class PageExport. |
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* |
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* Handles the export of pages within a course. |
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*/ |
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class PageExport extends ActivityExport |
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{ |
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/** |
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* Export a page to the specified directory. |
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* |
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* @param int $activityId The ID of the page. |
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* @param string $exportDir The directory where the page will be exported. |
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* @param int $moduleId The ID of the module. |
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* @param int $sectionId The ID of the section. |
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*/ |
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public function export($activityId, $exportDir, $moduleId, $sectionId): void |
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{ |
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// Prepare the directory where the page export will be saved |
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$pageDir = $this->prepareActivityDirectory($exportDir, 'page', $moduleId); |
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// Retrieve page data |
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$pageData = $this->getData($activityId, $sectionId); |
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// Generate XML files |
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$this->createPageXml($pageData, $pageDir); |
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$this->createModuleXml($pageData, $pageDir); |
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$this->createGradesXml($pageData, $pageDir); |
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$this->createFiltersXml($pageData, $pageDir); |
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$this->createGradeHistoryXml($pageData, $pageDir); |
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$this->createInforefXml($pageData, $pageDir); |
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$this->createRolesXml($pageData, $pageDir); |
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$this->createCommentsXml($pageData, $pageDir); |
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$this->createCalendarXml($pageData, $pageDir); |
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} |
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/** |
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* Get page data dynamically from the course. |
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*/ |
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public function getData(int $pageId, int $sectionId): ?array |
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{ |
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$contextid = $this->course->info['real_id']; |
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if ($pageId === 0) { |
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$introText = trim($this->course->resources[RESOURCE_TOOL_INTRO]['course_homepage']->intro_text ?? ''); |
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if (!empty($introText)) { |
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$files = []; |
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$resources = \DocumentManager::get_resources_from_source_html($introText); |
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$courseInfo = api_get_course_info($this->course->code); |
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$adminId = MoodleExport::getAdminUserData()['id']; |
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foreach ($resources as [$src]) { |
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if (preg_match('#/document(/[^"\']+)#', $src, $matches)) { |
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$path = $matches[1]; |
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$docId = \DocumentManager::get_document_id($courseInfo, $path); |
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if ($docId) { |
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$this->course->used_page_doc_ids[] = $docId; |
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$document = \DocumentManager::get_document_data_by_id($docId, $this->course->code); |
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if ($document) { |
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$contenthash = hash('sha1', basename($document['path'])); |
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$mimetype = (new FileExport($this->course))->getMimeType($document['path']); |
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$files[] = [ |
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'id' => $document['id'], |
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'contenthash' => $contenthash, |
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'contextid' => $contextid, |
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'component' => 'mod_page', |
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'filearea' => 'content', |
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'itemid' => 1, |
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'filepath' => '/Documents/', |
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'documentpath' => 'document' . $document['path'], |
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'filename' => basename($document['path']), |
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'userid' => $adminId, |
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'filesize' => $document['size'], |
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'mimetype' => $mimetype, |
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'status' => 0, |
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'timecreated' => time() - 3600, |
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'timemodified' => time(), |
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'source' => $document['title'], |
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'author' => 'Unknown', |
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'license' => 'allrightsreserved', |
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]; |
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} |
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} |
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} |
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} |
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return [ |
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'id' => 0, |
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'moduleid' => 0, |
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'modulename' => 'page', |
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'contextid' => $contextid, |
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'name' => get_lang('Introduction'), |
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'intro' => '', |
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'content' => $this->normalizeContent($introText), |
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'sectionid' => $sectionId, |
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'sectionnumber' => 1, |
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'display' => 0, |
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'timemodified' => time(), |
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'users' => [], |
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'files' => $files, |
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]; |
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} |
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} |
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$pageResources = $this->course->resources[RESOURCE_DOCUMENT] ?? []; |
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foreach ($pageResources as $page) { |
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if ($page->source_id == $pageId) { |
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return [ |
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'id' => $page->source_id, |
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'moduleid' => $page->source_id, |
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'modulename' => 'page', |
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'contextid' => $contextid, |
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'name' => $page->title, |
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'intro' => $page->comment ?? '', |
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'content' => $this->normalizeContent($this->getPageContent($page)), |
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'sectionid' => $sectionId, |
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'sectionnumber' => 1, |
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'display' => 0, |
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'timemodified' => time(), |
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'users' => [], |
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'files' => [], |
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]; |
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} |
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} |
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return null; |
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} |
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/** |
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* Create the XML file for the page. |
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*/ |
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private function createPageXml(array $pageData, string $pageDir): void |
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{ |
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$xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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$xmlContent .= '<activity id="'.$pageData['id'].'" moduleid="'.$pageData['moduleid'].'" modulename="page" contextid="'.$pageData['contextid'].'">'.PHP_EOL; |
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$xmlContent .= ' <page id="'.$pageData['id'].'">'.PHP_EOL; |
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$xmlContent .= ' <name>'.htmlspecialchars($pageData['name']).'</name>'.PHP_EOL; |
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$xmlContent .= ' <intro>'.htmlspecialchars($pageData['intro']).'</intro>'.PHP_EOL; |
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$xmlContent .= ' <introformat>1</introformat>'.PHP_EOL; |
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$xmlContent .= ' <content>'.htmlspecialchars($pageData['content']).'</content>'.PHP_EOL; |
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$xmlContent .= ' <contentformat>1</contentformat>'.PHP_EOL; |
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$xmlContent .= ' <legacyfiles>0</legacyfiles>'.PHP_EOL; |
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$xmlContent .= ' <display>5</display>'.PHP_EOL; |
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$xmlContent .= ' <displayoptions>a:3:{s:12:"printheading";s:1:"1";s:10:"printintro";s:1:"0";s:17:"printlastmodified";s:1:"1";}</displayoptions>'.PHP_EOL; |
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$xmlContent .= ' <revision>1</revision>'.PHP_EOL; |
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$xmlContent .= ' <timemodified>'.$pageData['timemodified'].'</timemodified>'.PHP_EOL; |
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$xmlContent .= ' </page>'.PHP_EOL; |
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$xmlContent .= '</activity>'; |
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$this->createXmlFile('page', $xmlContent, $pageDir); |
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} |
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private function normalizeContent(string $html): string |
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{ |
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return preg_replace_callback( |
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'#<img[^>]+src=["\'](?<url>[^"\']+)["\']#i', |
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function ($match) { |
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$src = $match['url']; |
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if (preg_match('#/courses/[^/]+/document/(.+)$#', $src, $parts)) { |
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$filename = basename($parts[1]); |
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return str_replace($src, '@@PLUGINFILE@@/Documents/' . $filename, $match[0]); |
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} |
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return $match[0]; |
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}, |
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$html |
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); |
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} |
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/** |
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* Retrieves the content of the page. |
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*/ |
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private function getPageContent(object $page): string |
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{ |
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if ($page->file_type === 'file') { |
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return file_get_contents($this->course->path.$page->path); |
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} |
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return ''; |
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} |
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} |
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chamilo /
chamilo-lms
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.