Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/moodleexport/ForumExport.php

188 lines
9.3 KiB

<?php
/* For licensing terms, see /license.txt */
namespace moodleexport;
/**
* Class ForumExport.
*
* Handles the export of forums within a course.
*/
class ForumExport extends ActivityExport
{
/**
* Export all forum data into a single Moodle forum activity.
*
* @param int $activityId The ID of the forum.
* @param string $exportDir The directory where the forum 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 forum export will be saved
$forumDir = $this->prepareActivityDirectory($exportDir, 'forum', $moduleId);
// Retrieve forum data
$forumData = $this->getData($activityId, $sectionId);
// Generate XML files for the forum
$this->createForumXml($forumData, $forumDir);
$this->createModuleXml($forumData, $forumDir);
$this->createGradesXml($forumData, $forumDir);
$this->createGradeHistoryXml($forumData, $forumDir);
$this->createInforefXml($forumData, $forumDir);
$this->createRolesXml($forumData, $forumDir);
$this->createCalendarXml($forumData, $forumDir);
$this->createCommentsXml($forumData, $forumDir);
$this->createCompetenciesXml($forumData, $forumDir);
$this->createFiltersXml($forumData, $forumDir);
}
/**
* Get all forum data from the course.
*/
public function getData(int $forumId, int $sectionId): ?array
{
$forum = $this->course->resources['forum'][$forumId]->obj;
$adminData = MoodleExport::getAdminUserData();
$adminId = $adminData['id'];
$threads = [];
foreach ($this->course->resources['thread'] as $threadId => $thread) {
if ($thread->obj->forum_id == $forumId) {
// Get the posts for each thread
$posts = [];
foreach ($this->course->resources['post'] as $postId => $post) {
if ($post->obj->thread_id == $threadId) {
$posts[] = [
'id' => $post->obj->post_id,
'userid' => $adminId,
'message' => $post->obj->post_text,
'created' => strtotime($post->obj->post_date),
'modified' => strtotime($post->obj->post_date),
];
}
}
$threads[] = [
'id' => $thread->obj->thread_id,
'title' => $thread->obj->thread_title,
'userid' => $adminId,
'timemodified' => strtotime($thread->obj->thread_date),
'usermodified' => $adminId,
'posts' => $posts,
];
}
}
$fileIds = [];
return [
'id' => $forumId,
'moduleid' => $forumId,
'modulename' => 'forum',
'contextid' => $this->course->info['real_id'],
'name' => $forum->forum_title,
'description' => $forum->forum_comment,
'timecreated' => time(),
'timemodified' => time(),
'sectionid' => $sectionId,
'sectionnumber' => 1,
'userid' => $adminId,
'threads' => $threads,
'users' => [$adminId],
'files' => $fileIds,
];
}
/**
* Create the forum.xml file with all forum data.
*/
private function createForumXml(array $forumData, string $forumDir): void
{
$xmlContent = '<?xml version="1.0" encoding="UTF-8"?>'.PHP_EOL;
$xmlContent .= '<activity id="'.$forumData['id'].'" moduleid="'.$forumData['moduleid'].'" modulename="'.$forumData['modulename'].'" contextid="'.$forumData['contextid'].'">'.PHP_EOL;
$xmlContent .= ' <forum id="'.$forumData['id'].'">'.PHP_EOL;
$xmlContent .= ' <type>general</type>'.PHP_EOL;
$xmlContent .= ' <name>'.htmlspecialchars($forumData['name']).'</name>'.PHP_EOL;
$xmlContent .= ' <intro>'.htmlspecialchars($forumData['description']).'</intro>'.PHP_EOL;
$xmlContent .= ' <introformat>1</introformat>'.PHP_EOL;
$xmlContent .= ' <duedate>0</duedate>'.PHP_EOL;
$xmlContent .= ' <cutoffdate>0</cutoffdate>'.PHP_EOL;
$xmlContent .= ' <assessed>0</assessed>'.PHP_EOL;
$xmlContent .= ' <assesstimestart>0</assesstimestart>'.PHP_EOL;
$xmlContent .= ' <assesstimefinish>0</assesstimefinish>'.PHP_EOL;
$xmlContent .= ' <scale>100</scale>'.PHP_EOL;
$xmlContent .= ' <maxbytes>512000</maxbytes>'.PHP_EOL;
$xmlContent .= ' <maxattachments>9</maxattachments>'.PHP_EOL;
$xmlContent .= ' <forcesubscribe>0</forcesubscribe>'.PHP_EOL;
$xmlContent .= ' <trackingtype>1</trackingtype>'.PHP_EOL;
$xmlContent .= ' <rsstype>0</rsstype>'.PHP_EOL;
$xmlContent .= ' <rssarticles>0</rssarticles>'.PHP_EOL;
$xmlContent .= ' <timemodified>'.$forumData['timemodified'].'</timemodified>'.PHP_EOL;
$xmlContent .= ' <warnafter>0</warnafter>'.PHP_EOL;
$xmlContent .= ' <blockafter>0</blockafter>'.PHP_EOL;
$xmlContent .= ' <blockperiod>0</blockperiod>'.PHP_EOL;
$xmlContent .= ' <completiondiscussions>0</completiondiscussions>'.PHP_EOL;
$xmlContent .= ' <completionreplies>0</completionreplies>'.PHP_EOL;
$xmlContent .= ' <completionposts>0</completionposts>'.PHP_EOL;
$xmlContent .= ' <displaywordcount>0</displaywordcount>'.PHP_EOL;
$xmlContent .= ' <lockdiscussionafter>0</lockdiscussionafter>'.PHP_EOL;
$xmlContent .= ' <grade_forum>0</grade_forum>'.PHP_EOL;
// Add forum threads
$xmlContent .= ' <discussions>'.PHP_EOL;
foreach ($forumData['threads'] as $thread) {
$xmlContent .= ' <discussion id="'.$thread['id'].'">'.PHP_EOL;
$xmlContent .= ' <name>'.htmlspecialchars($thread['title']).'</name>'.PHP_EOL;
$xmlContent .= ' <firstpost>'.$thread['firstpost'].'</firstpost>'.PHP_EOL;
$xmlContent .= ' <userid>'.$thread['userid'].'</userid>'.PHP_EOL;
$xmlContent .= ' <groupid>-1</groupid>'.PHP_EOL;
$xmlContent .= ' <assessed>0</assessed>'.PHP_EOL;
$xmlContent .= ' <timemodified>'.$thread['timemodified'].'</timemodified>'.PHP_EOL;
$xmlContent .= ' <usermodified>'.$thread['usermodified'].'</usermodified>'.PHP_EOL;
$xmlContent .= ' <timestart>0</timestart>'.PHP_EOL;
$xmlContent .= ' <timeend>0</timeend>'.PHP_EOL;
$xmlContent .= ' <pinned>0</pinned>'.PHP_EOL;
$xmlContent .= ' <timelocked>0</timelocked>'.PHP_EOL;
// Add forum posts to the thread
$xmlContent .= ' <posts>'.PHP_EOL;
foreach ($thread['posts'] as $post) {
$xmlContent .= ' <post id="'.$post['id'].'">'.PHP_EOL;
$xmlContent .= ' <parent>'.$post['parent'].'</parent>'.PHP_EOL;
$xmlContent .= ' <userid>'.$post['userid'].'</userid>'.PHP_EOL;
$xmlContent .= ' <created>'.$post['created'].'</created>'.PHP_EOL;
$xmlContent .= ' <modified>'.$post['modified'].'</modified>'.PHP_EOL;
$xmlContent .= ' <mailed>'.$post['mailed'].'</mailed>'.PHP_EOL;
$xmlContent .= ' <subject>'.htmlspecialchars($post['subject']).'</subject>'.PHP_EOL;
$xmlContent .= ' <message>'.htmlspecialchars($post['message']).'</message>'.PHP_EOL;
$xmlContent .= ' <messageformat>1</messageformat>'.PHP_EOL;
$xmlContent .= ' <messagetrust>0</messagetrust>'.PHP_EOL;
$xmlContent .= ' <attachment></attachment>'.PHP_EOL;
$xmlContent .= ' <totalscore>0</totalscore>'.PHP_EOL;
$xmlContent .= ' <mailnow>0</mailnow>'.PHP_EOL;
$xmlContent .= ' <privatereplyto>0</privatereplyto>'.PHP_EOL;
$xmlContent .= ' <ratings>'.PHP_EOL;
$xmlContent .= ' </ratings>'.PHP_EOL;
$xmlContent .= ' </post>'.PHP_EOL;
}
$xmlContent .= ' </posts>'.PHP_EOL;
$xmlContent .= ' <discussion_subs>'.PHP_EOL;
$xmlContent .= ' <discussion_sub id="'.$thread['id'].'">'.PHP_EOL;
$xmlContent .= ' <userid>'.$thread['userid'].'</userid>'.PHP_EOL;
$xmlContent .= ' <preference>'.$thread['timemodified'].'</preference>'.PHP_EOL;
$xmlContent .= ' </discussion_sub>'.PHP_EOL;
$xmlContent .= ' </discussion_subs>'.PHP_EOL;
$xmlContent .= ' </discussion>'.PHP_EOL;
}
$xmlContent .= ' </discussions>'.PHP_EOL;
$xmlContent .= ' </forum>'.PHP_EOL;
$xmlContent .= '</activity>';
$this->createXmlFile('forum', $xmlContent, $forumDir);
}
}