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<?php
/**
* RangeTreeNode.php
* model class for table range_tree
*
* 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 Thomas Hackl <hackl@data-quest.de>
* @copyright 2022 Stud.IP Core-Group
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @since 5.3
*
* @property string $id alias column for item_id
* @property string $item_id database column
* @property string $parent_id database column
* @property int $level database column
* @property int $priority database column
* @property string $name database column
* @property string|null $studip_object database column
* @property string|null $studip_object_id database column
* @property SimpleORMapCollection|RangeTreeNode[] $children has_many RangeTreeNode
* @property Institute|null $institute belongs_to Institute
* @property RangeTreeNode $parent belongs_to RangeTreeNode
*/
class RangeTreeNode extends SimpleORMap implements StudipTreeNode
{
use StudipTreeNodeCachableTrait;
use StudipTreeNodeCourseTrait;
protected static function configure($config = [])
{
$config['db_table'] = 'range_tree';
$config['belongs_to']['institute'] = [
'class_name' => Institute::class,
'foreign_key' => 'studip_object_id',
];
$config['belongs_to']['parent'] = [
'class_name' => RangeTreeNode::class,
'foreign_key' => 'parent_id',
];
$config['has_many']['children'] = [
'class_name' => RangeTreeNode::class,
'assoc_foreign_key' => 'parent_id',
'order_by' => 'ORDER BY priority, name',
'on_delete' => 'delete',
];
$config = self::registerCachableCallbacks($config);
parent::configure($config);
}
public static function getNode($id): StudipTreeNode
{
if ($id === 'root') {
return static::build([
'id' => 'root',
'name' => Config::get()->UNI_NAME_CLEAN,
]);
}
return static::find($id);
}
public static function getCourseNodes(string $course_id): array
{
$nodes = [];
foreach (Course::find($course_id)->institutes as $institute) {
$range = self::findOneByStudip_object_id($institute->id);
if ($range) {
$nodes[] = $range;
}
}
return $nodes;
}
public function getName(): string
{
if ($this->id === 'root') {
return Config::get()->UNI_NAME_CLEAN;
}
if ($this->institute) {
return (string) $this->institute->name;
}
return $this->content['name'];
}
public function getDescription(): string
{
return '';
}
public function getImage()
{
return $this->institute ?
Avatar::getAvatar($this->studip_object_id) :
Icon::create('institute');
}
public function hasChildNodes(): bool
{
return count($this->children) > 0;
}
/**
* @see StudipTreeNode::getChildNodes()
*/
public function getChildNodes(bool $onlyVisible = false): array
{
return self::findByParent_id($this->id);
}
/**
* @see StudipTreeNode::countCourses()
*/
public function countCourses($semester_id = '', $semclass = 0, $with_children = false): int
{
if (!$this->institute && !$with_children) {
return 0;
}
[$condition, $parameters] = $this->getCoursesCondition(
'i',
$semester_id,
$semclass
);
$query = "SELECT COUNT(DISTINCT i.`seminar_id`) FROM `seminar_inst` i {$condition}";
if ($with_children) {
$query .= " AND i.`institut_id` IN (
SELECT DISTINCT `studip_object_id` FROM `range_tree` WHERE `item_id` IN (:ids)
)";
$parameters['ids'] = array_merge([$this->id], $this->getDescendantIds());
} else {
$query .= " AND i.`institut_id` = :id";
$parameters['id'] = $this->studip_object_id;
}
return DBManager::get()->fetchColumn($query, $parameters);
}
public function getCourses(
$semester_id = 'all',
$semclass = 0,
$searchterm = '',
$with_children = false,
array $courses = []
): array
{
[$condition, $parameters, $order_by] = $this->getCoursesCondition(
'i',
$semester_id,
$semclass,
$searchterm,
$courses
);
$query = "SELECT DISTINCT s.* FROM `seminar_inst` AS i {$condition}";
if ($with_children) {
$query .= " AND i.`institut_id` IN (
SELECT DISTINCT `studip_object_id` FROM `range_tree` WHERE `item_id` IN (:ids)
)";
$parameters['ids'] = array_merge([$this->id], $this->getDescendantIds());
} else {
$query .= " AND i.`institut_id` = :id";
$parameters['id'] = $this->studip_object_id;
}
$query .= " ORDER BY " . implode(', ', $order_by);
return DBManager::get()->fetchAll($query, $parameters, 'Course::buildExisting');
}
public function getAncestors(): array
{
$path = [
[
'id' => $this->id,
'name' => $this->getName(),
'classname' => self::class
]
];
if ($this->parent_id) {
$path = array_merge($this->getNode($this->parent_id)->getAncestors(), $path);
}
return $path;
}
}
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