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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 database column
* @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 studip_object database column
* @property string studip_object_id database column
*/
class RangeTreeNode extends SimpleORMap implements StudipTreeNode
{
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',
$config = self::registerCachableCallbacks($config);
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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, "ORDER BY `priority`, `name`");
}
/**
* @see StudipTreeNode::countCourses()
*/
public function countCourses($semester_id = '', $semclass = 0, $with_children = false): int
{
if ($semester_id) {
$query = "SELECT COUNT(DISTINCT i.`seminar_id`)
FROM `seminar_inst` i
JOIN `seminare` s ON (s.`Seminar_id` = i.`seminar_id`)
LEFT JOIN `semester_courses` sc ON (i.`seminar_id` = sc.`course_id`)
WHERE i.`institut_id` IN (
SELECT DISTINCT `studip_object_id`
FROM `range_tree`
WHERE `item_id` IN (:ids)
) AND (
sc.`semester_id` = :semester
OR sc.`semester_id` IS NULL
)";
$parameters = [
'ids' => $with_children ? $this->getDescendantIds() : [$this->id],
'semester' => $semester_id
];
} else {
$query = "SELECT COUNT(DISTINCT `seminar_id`)
FROM `seminar_inst` i
JOIN `seminare` s ON (s.`Seminar_id` = i.`seminar_id`)
WHERE `institut_id` IN (
SELECT DISTINCT `studip_object_id`
FROM `range_tree`
WHERE `item_id` IN (:ids)
)";
$parameters = ['ids' => $with_children ? $this->getDescendantIds() : [$this->id]];
}
if (!$GLOBALS['perm']->have_perm(Config::get()->SEM_VISIBILITY_PERM)) {
$query .= " AND s.`visible` = 1";
}
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if ($semclass !== 0) {
$query .= " AND s.`status` IN (:types)";
$parameters['types'] = array_map(
function ($type) {
return $type['id'];
},
array_filter(
SemType::getTypes(),
function ($t) use ($semclass) { return $t['class'] === $semclass; }
)
);
}
return !$this->institute && !$with_children ? 0 : DBManager::get()->fetchColumn($query, $parameters);
}
public function getCourses(
$semester_id = 'all',
$semclass = 0,
$searchterm = '',
$with_children = false,
array $courses = []
): array
{
if ($semester_id !== 'all') {
$query = "SELECT DISTINCT s.*
FROM `seminare` s
JOIN `seminar_inst` i ON (i.`seminar_id` = s.`Seminar_id`)
LEFT JOIN `semester_courses` sem ON (sem.`course_id` = s.`Seminar_id`)
WHERE i.`institut_id` IN (
SELECT DISTINCT `studip_object_id`
FROM `range_tree`
WHERE `item_id` IN (:ids)
) AND (
sem.`semester_id` = :semester
OR sem.`semester_id` IS NULL
)";
$parameters = [
'ids' => $with_children ? $this->getDescendantIds() : [$this->id],
'semester' => $semester_id
];
} else {
$query = "SELECT DISTINCT s.*
FROM `seminare` s
JOIN `seminar_inst` i ON (i.`seminar_id` = s.`Seminar_id`)
WHERE i.`institut_id` IN (
SELECT DISTINCT `studip_object_id`
FROM `range_tree`
WHERE `item_id` IN (:ids)
)";
$parameters = ['ids' => $with_children ? $this->getDescendantIds() : [$this->id]];
}
if (!$GLOBALS['perm']->have_perm(Config::get()->SEM_VISIBILITY_PERM)) {
$query .= " AND s.`visible` = 1";
}
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if ($searchterm) {
$query .= " AND s.`Name` LIKE :searchterm";
$parameters['searchterm'] = '%' . trim($searchterm) . '%';
}
if ($courses) {
$query .= " AND s.`Seminar_id` IN (:courses)";
$parameters['courses'] = $courses;
}
if ($semclass !== 0) {
$query .= " AND s.`status` IN (:types)";
$parameters['types'] = array_map(
function ($type) {
return $type['id'];
},
array_filter(
SemType::getTypes(),
function ($t) use ($semclass) { return $t['class'] === $semclass; }
)
);
}
if (Config::get()->IMPORTANT_SEMNUMBER) {
$query .= " ORDER BY s.`start_time`, s.`VeranstaltungsNummer`, s.`Name`";
} else {
$query .= " ORDER BY s.`start_time`, s.`Name`";
}
return DBManager::get()->fetchAll($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;
}
}