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<?php
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Rasmus Fuhse <fuhse@data-quest.de>
* @copyright 2014 Stud.IP Core-Group
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*
* @property string issue_id database column
* @property string id alias column for issue_id
* @property string seminar_id database column
* @property string author_id database column
* @property string title database column
* @property string description database column
* @property string priority database column
* @property string mkdate database column
* @property string chdate database column
* @property DocumentFolder folder belongs_to DocumentFolder
* @property Course course belongs_to Course
* @property User author belongs_to User
* @property SimpleORMapCollection dates has_and_belongs_to_many CourseDate
*/
class CourseTopic extends SimpleORMap
{
public static function findByTermin_id($termin_id)
{
return self::findBySQL("INNER JOIN themen_termine USING (issue_id)
WHERE themen_termine.termin_id = ?
ORDER BY priority ASC",
[$termin_id]
);
}
public static function findBySeminar_id($seminar_id, $order_by = 'ORDER BY priority')
{
return parent::findBySeminar_id($seminar_id, $order_by);
}
public static function findByTitle($seminar_id, $name)
{
return self::findOneBySQL("seminar_id = ? AND title = ?", [$seminar_id, $name]);
}
public static function getMaxPriority($seminar_id)
{
return DBManager::get()->fetchColumn("SELECT MAX(priority) FROM themen WHERE seminar_id=?", [$seminar_id]);
}
protected static function configure($config = [])
{
$config['db_table'] = 'themen';
$config['has_and_belongs_to_many']['dates'] = [
'class_name' => 'CourseDate',
'thru_table' => 'themen_termine',
'order_by' => 'ORDER BY date',
'on_delete' => 'delete',
'on_store' => 'store'
];
$config['has_many']['folders'] = [
'class_name' => 'Folder',
'assoc_func' => 'findByTopic_id'
];
$config['belongs_to']['course'] = [
'class_name' => 'Course',
'foreign_key' => 'seminar_id'
];
$config['belongs_to']['author'] = [
'class_name' => 'User',
'foreign_key' => 'author_id'
];
$config['additional_fields']['forum_thread_url']['get'] = 'getForumThreadURL';
$config['registered_callbacks']['before_create'][] = 'cbDefaultValues';
$config['registered_callbacks']['after_store'][] = 'cbUpdateConnectedContentModules';
$config['registered_callbacks']['before_delete'][] = 'cbUnlinkConnectedContentModules';
parent::configure($config);
}
/**
* set or update connection with document folder
*/
public function connectWithDocumentFolder()
{
if ($this->seminar_id) {
$document_module = Seminar::getInstance($this->seminar_id)->getSlotModule('documents');
if ($document_module) {
if (!$this->folders->count()) {
$folder = new Folder();
$folder['range_id'] = $this['seminar_id'];
$folder['parent_id'] = Folder::findTopFolder($this['seminar_id'])->getId();
$folder['range_type'] = "course";
$folder['folder_type'] = "CourseTopicFolder";
$folder['data_content']['topic_id'] = $this->getId();
$folder['user_id'] = $GLOBALS['user']->id;
$folder['name'] = $this['title'];
$folder['description'] = $this['description'];
return $folder->store();
}
}
}
return false;
}
/**
* set or update connection with forum thread
*/
public function connectWithForumThread()
{
if ($this->seminar_id) {
$forum_module = Seminar::getInstance($this->seminar_id)->getSlotModule('forum');
if ($forum_module instanceOf ForumModule) {
$forum_module->setThreadForIssue($this->id, $this->title, $this->description);
return true;
}
}
return false;
}
public function getForumThreadURL()
{
if ($this->seminar_id) {
$forum_module = Seminar::getInstance($this->seminar_id)->getSlotModule('forum');
if ($forum_module instanceOf ForumModule) {
return html_entity_decode($forum_module->getLinkToThread($this->id));
}
}
return '';
}
protected function cbUpdateConnectedContentModules()
{
if ($this->isFieldDirty('title') || $this->isFieldDirty('description')) {
if ($this->forum_thread_url) {
$this->connectWithForumThread();
}
}
}
/**
* Removes link information for forum topic and remove forum topic as well
* if it is empty.
*/
protected function cbUnlinkConnectedContentModules()
{
$query = "DELETE fei, fe
FROM `forum_entries_issues` AS fei
LEFT JOIN `forum_entries` AS fe
ON fei.`topic_id` = fe.`topic_id` AND fe.`rgt` = fe.`lft` + 1
WHERE `issue_id` = ?";
DBManager::get()->execute($query, [$this->id]);
}
protected function cbDefaultValues()
{
if (empty($this->content['priority'])) {
$this->content['priority'] = self::getMaxPriority($this->seminar_id) + 1;
}
}
/**
* return all filerefs belonging to this topic, permissions fpr given user are checked
*
* @param string|User $user_or_id
* @return mixed[] A mixed array with FolderType and FileRef objects.
*/
public function getAccessibleFolderFiles($user_or_id)
{
$user_id = $user_or_id instanceof User ? $user_or_id->id : $user_or_id;
$all_files = [];
$all_folders = [];
$folders = $this->folders->getArrayCopy();
foreach ($this->dates as $date) {
$folders = array_merge($folders, $date->folders->getArrayCopy());
}
foreach ($folders as $folder) {
list($files, $typed_folders) = array_values(FileManager::getFolderFilesRecursive($folder->getTypedFolder(), $user_id));
foreach ($files as $file) {
$all_files[$file->id] = $file;
}
$all_folders = array_merge($all_folders, $typed_folders);
}
return ['files' => $all_files, 'folders' => $all_folders];
}
}
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