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<?php |
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declare(strict_types=1); |
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/* For licensing terms, see /license.txt */ |
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namespace Chamilo\CourseBundle\Component\CourseCopy\Moodle\Activities; |
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use Chamilo\CourseBundle\Component\CourseCopy\Moodle\Builder\MoodleExport; |
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use const PHP_EOL; |
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/** |
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* Handles the export of forums within a course. |
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*/ |
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class ForumExport extends ActivityExport |
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{ |
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/** |
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* Export all forum data into a single Moodle forum activity. |
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* |
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* @param int $activityId the ID of the forum |
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* @param string $exportDir destination base directory of the export |
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* @param int $moduleId module id used to name the activity folder |
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* @param int $sectionId moodle section id where the activity will live |
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*/ |
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public function export($activityId, $exportDir, $moduleId, $sectionId): void |
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{ |
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$forumDir = $this->prepareActivityDirectory($exportDir, 'forum', (int) $moduleId); |
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$forumData = $this->getData((int) $activityId, (int) $sectionId); |
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$this->createForumXml($forumData, $forumDir); |
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$this->createModuleXml($forumData, $forumDir); |
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$this->createGradesXml($forumData, $forumDir); |
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$this->createGradeHistoryXml($forumData, $forumDir); |
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$this->createInforefXml($forumData, $forumDir); |
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$this->createRolesXml($forumData, $forumDir); |
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$this->createCalendarXml($forumData, $forumDir); |
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$this->createCommentsXml($forumData, $forumDir); |
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$this->createCompetenciesXml($forumData, $forumDir); |
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$this->createFiltersXml($forumData, $forumDir); |
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} |
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/** |
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* Build all forum data from the course resources. |
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*/ |
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public function getData(int $forumId, int $sectionId): array |
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{ |
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$forumRes = $this->course->resources['forum'][$forumId] ?? null; |
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$forumObj = $forumRes ? ($forumRes->obj ?? null) : null; |
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$adminData = MoodleExport::getAdminUserData(); |
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$adminId = (int) ($adminData['id'] ?? 0); |
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$catId = 0; |
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$catTitle = ''; |
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if ($forumObj) { |
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$catId = (int) ($forumObj->forum_category ?? $forumObj->forum_category_id ?? $forumObj->category_id ?? 0); |
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} |
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if ($catId > 0) { |
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$catRes = $this->course->resources['Forum_Category'][$catId] |
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?? $this->course->resources['forum_category'][$catId] |
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?? null; |
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if ($catRes) { |
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$src = $catRes->obj ?? $catRes; |
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$catTitle = (string) ($src->cat_title ?? $src->title ?? ''); |
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} |
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} |
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$threads = []; |
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if (!empty($this->course->resources['thread'])) { |
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foreach ($this->course->resources['thread'] as $threadId => $thread) { |
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if (($thread->obj->forum_id ?? null) != $forumId) { |
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continue; |
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} |
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// Collect posts for this thread |
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$posts = []; |
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if (!empty($this->course->resources['post'])) { |
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foreach ($this->course->resources['post'] as $postId => $post) { |
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if (($post->obj->thread_id ?? null) == $threadId) { |
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$created = strtotime((string) ($post->obj->post_date ?? 'now')); |
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$msg = (string) ($post->obj->post_text ?? ''); |
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$posts[] = [ |
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'id' => (int) ($post->obj->post_id ?? $postId), |
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'parent' => (int) ($post->obj->parent_id ?? 0), |
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'userid' => $adminId, |
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'created' => $created, |
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'modified' => $created, |
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'mailed' => 0, |
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'subject' => $this->buildPostSubject($post->obj->post_title ?? '', $msg), |
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'message' => $msg, |
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]; |
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} |
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} |
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} |
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// Determine first post id (Moodle expects it) |
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$firstpostId = 0; |
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if (!empty($posts)) { |
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usort($posts, static fn ($a, $b) => $a['created'] <=> $b['created']); |
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$firstpostId = (int) $posts[0]['id']; |
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} |
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$threads[] = [ |
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'id' => (int) ($thread->obj->thread_id ?? $threadId), |
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'title' => (string) ($thread->obj->thread_title ?? 'Discussion'), |
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'userid' => $adminId, |
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'timemodified' => strtotime((string) ($thread->obj->thread_date ?? 'now')), |
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'usermodified' => $adminId, |
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'firstpost' => $firstpostId, |
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'posts' => $posts, |
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]; |
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} |
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} |
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return [ |
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'id' => $forumId, |
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'moduleid' => $forumId, |
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'modulename' => 'forum', |
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'contextid' => (int) ($this->course->info['real_id'] ?? 0), |
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'name' => (string) ($forumObj->forum_title ?? 'Forum'), |
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'description' => (string) ($forumObj->forum_comment ?? ''), |
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'category_id' => $catId, |
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'category_title' => $catTitle, |
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'timecreated' => time(), |
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'timemodified' => time(), |
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'sectionid' => $sectionId, |
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'sectionnumber' => 1, |
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'userid' => $adminId, |
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'threads' => $threads, |
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'users' => [$adminId], |
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'files' => [], |
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]; |
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} |
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/** |
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* Helper to build a short subject when none is provided. |
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* Uses the post title, else a trimmed version of the message. |
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*/ |
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private function buildPostSubject(string $title, string $message): string |
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{ |
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// Prefer explicit title |
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$subject = trim($title); |
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if ('' !== $subject) { |
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return $subject; |
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} |
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// Fallback: derive from message |
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$plain = trim(strip_tags($message)); |
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if ('' === $plain) { |
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return 'Post'; |
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} |
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$short = mb_substr($plain, 0, 80); |
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return $short.(mb_strlen($plain) > 80 ? '…' : ''); |
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} |
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/** |
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* Write forum.xml including discussions and posts. |
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*/ |
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private function createForumXml(array $forumData, string $forumDir): void |
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{ |
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// ----- intro with category hints (mirrors UrlExport) ----- |
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$intro = (string) $forumData['description']; |
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if (!empty($forumData['category_id'])) { |
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$intro .= "\n<!-- CHAMILO2:forum_category_id:{$forumData['category_id']} -->"; |
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if (!empty($forumData['category_title'])) { |
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$intro .= "\n<!-- CHAMILO2:forum_category_title:". |
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htmlspecialchars((string) $forumData['category_title']).' -->'; |
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} |
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} |
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$introCdata = '<![CDATA['.$intro.']]>'; |
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$xml = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL; |
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$xml .= '<activity id="'.$forumData['id'].'" moduleid="'.$forumData['moduleid'].'" modulename="forum" contextid="'.$forumData['contextid'].'">'.PHP_EOL; |
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$xml .= ' <forum id="'.$forumData['id'].'">'.PHP_EOL; |
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$xml .= ' <type>general</type>'.PHP_EOL; |
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$xml .= ' <name>'.htmlspecialchars((string) $forumData['name']).'</name>'.PHP_EOL; |
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$xml .= ' <intro>'.$introCdata.'</intro>'.PHP_EOL; |
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$xml .= ' <introformat>1</introformat>'.PHP_EOL; |
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$xml .= ' <duedate>0</duedate>'.PHP_EOL; |
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$xml .= ' <cutoffdate>0</cutoffdate>'.PHP_EOL; |
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$xml .= ' <assessed>0</assessed>'.PHP_EOL; |
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$xml .= ' <assesstimestart>0</assesstimestart>'.PHP_EOL; |
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$xml .= ' <assesstimefinish>0</assesstimefinish>'.PHP_EOL; |
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$xml .= ' <scale>100</scale>'.PHP_EOL; |
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$xml .= ' <maxbytes>512000</maxbytes>'.PHP_EOL; |
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$xml .= ' <maxattachments>9</maxattachments>'.PHP_EOL; |
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$xml .= ' <forcesubscribe>0</forcesubscribe>'.PHP_EOL; |
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$xml .= ' <trackingtype>1</trackingtype>'.PHP_EOL; |
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$xml .= ' <rsstype>0</rsstype>'.PHP_EOL; |
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$xml .= ' <rssarticles>0</rssarticles>'.PHP_EOL; |
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$xml .= ' <timemodified>'.$forumData['timemodified'].'</timemodified>'.PHP_EOL; |
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$xml .= ' <warnafter>0</warnafter>'.PHP_EOL; |
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$xml .= ' <blockafter>0</blockafter>'.PHP_EOL; |
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$xml .= ' <blockperiod>0</blockperiod>'.PHP_EOL; |
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$xml .= ' <completiondiscussions>0</completiondiscussions>'.PHP_EOL; |
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$xml .= ' <completionreplies>0</completionreplies>'.PHP_EOL; |
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$xml .= ' <completionposts>0</completionposts>'.PHP_EOL; |
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$xml .= ' <displaywordcount>0</displaywordcount>'.PHP_EOL; |
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$xml .= ' <lockdiscussionafter>0</lockdiscussionafter>'.PHP_EOL; |
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$xml .= ' <grade_forum>0</grade_forum>'.PHP_EOL; |
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// Discussions |
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$xml .= ' <discussions>'.PHP_EOL; |
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foreach ($forumData['threads'] as $thread) { |
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$xml .= ' <discussion id="'.$thread['id'].'">'.PHP_EOL; |
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$xml .= ' <name>'.htmlspecialchars((string) $thread['title']).'</name>'.PHP_EOL; |
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$xml .= ' <firstpost>'.(int) $thread['firstpost'].'</firstpost>'.PHP_EOL; |
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$xml .= ' <userid>'.$thread['userid'].'</userid>'.PHP_EOL; |
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$xml .= ' <groupid>-1</groupid>'.PHP_EOL; |
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$xml .= ' <assessed>0</assessed>'.PHP_EOL; |
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$xml .= ' <timemodified>'.$thread['timemodified'].'</timemodified>'.PHP_EOL; |
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$xml .= ' <usermodified>'.$thread['usermodified'].'</usermodified>'.PHP_EOL; |
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$xml .= ' <timestart>0</timestart>'.PHP_EOL; |
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$xml .= ' <timeend>0</timeend>'.PHP_EOL; |
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$xml .= ' <pinned>0</pinned>'.PHP_EOL; |
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$xml .= ' <timelocked>0</timelocked>'.PHP_EOL; |
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// Posts |
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$xml .= ' <posts>'.PHP_EOL; |
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foreach ($thread['posts'] as $post) { |
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$xml .= ' <post id="'.$post['id'].'">'.PHP_EOL; |
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$xml .= ' <parent>'.(int) $post['parent'].'</parent>'.PHP_EOL; |
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$xml .= ' <userid>'.$post['userid'].'</userid>'.PHP_EOL; |
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$xml .= ' <created>'.$post['created'].'</created>'.PHP_EOL; |
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$xml .= ' <modified>'.$post['modified'].'</modified>'.PHP_EOL; |
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$xml .= ' <mailed>'.(int) $post['mailed'].'</mailed>'.PHP_EOL; |
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$xml .= ' <subject>'.htmlspecialchars((string) $post['subject']).'</subject>'.PHP_EOL; |
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$xml .= ' <message>'.htmlspecialchars((string) $post['message']).'</message>'.PHP_EOL; |
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$xml .= ' <messageformat>1</messageformat>'.PHP_EOL; |
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$xml .= ' <messagetrust>0</messagetrust>'.PHP_EOL; |
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$xml .= ' <attachment></attachment>'.PHP_EOL; |
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$xml .= ' <totalscore>0</totalscore>'.PHP_EOL; |
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$xml .= ' <mailnow>0</mailnow>'.PHP_EOL; |
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$xml .= ' <privatereplyto>0</privatereplyto>'.PHP_EOL; |
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$xml .= ' <ratings>'.PHP_EOL; |
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$xml .= ' </ratings>'.PHP_EOL; |
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$xml .= ' </post>'.PHP_EOL; |
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} |
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$xml .= ' </posts>'.PHP_EOL; |
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// Subscriptions (basic placeholder) |
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$xml .= ' <discussion_subs>'.PHP_EOL; |
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$xml .= ' <discussion_sub id="'.$thread['id'].'">'.PHP_EOL; |
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$xml .= ' <userid>'.$thread['userid'].'</userid>'.PHP_EOL; |
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$xml .= ' <preference>'.$thread['timemodified'].'</preference>'.PHP_EOL; |
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$xml .= ' </discussion_sub>'.PHP_EOL; |
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$xml .= ' </discussion_subs>'.PHP_EOL; |
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$xml .= ' </discussion>'.PHP_EOL; |
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} |
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$xml .= ' </discussions>'.PHP_EOL; |
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$xml .= ' </forum>'.PHP_EOL; |
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$xml .= '</activity>'; |
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$this->createXmlFile('forum', $xml, $forumDir); |
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} |
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} |
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chamilo /
chamilo-lms
