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1<?php
2
3namespace Baril\Bonsai\Concerns;
4
5use Baril\Orderly\Concerns\Orderable;
6
7trait BelongsToOrderedTree
8{
9    use BelongsToTree {
10        children as _children;
11        setChildrenFromDescendants as _setChildrenFromDescendants;
12        getTree as _getTree;
13    }
14    use Orderable;
15
16    /**
17     * @return string
18     */
19    public function getGroupColumn()
20    {
21        return $this->getParentForeignKeyName();
22    }
23
24    /**
25     * @return \Illuminate\Database\Eloquent\Relation\HasMany
26     */
27    public function children()
28    {
29        return static::_children()->ordered();
30    }
31
32    protected function setChildrenFromDescendants($descendants)
33    {
34        $this->_setChildrenFromDescendants($descendants->sortBy($this->getOrderColumn()));
35    }
36
37    /**
38     * @param int $depth
39     * @return \Illuminate\Database\Eloquent\Collection
40     */
41    public static function getTree($depth = null)
42    {
43        return static::_getTree($depth)->sortBy((new static())->getOrderColumn())->values();
44    }
45}