Webfactor\Laravel\Backpack\NestedModels\Traits\NestedModelTrait

Complexity

Total Complexity

4

Size/Duplication

Total Lines	44
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	loadTree()	0	10	1
A	getLftName()	0	4	1
A	getRgtName()	0	4	1
A	getParentIdName()	0	4	1

<?php


namespace Webfactor\Laravel\Backpack\NestedModels\Traits;


use Kalnoy\Nestedset\Collection;
use Kalnoy\Nestedset\NodeTrait;

trait NestedModelTrait
{
    use NodeTrait;

    /**
     * Build the collection representing the tree with possibly many root nodes
     *
     * @param Collection|null $nodes
     * @return Collection
     */
    public static function loadTree(Collection $nodes = null)
    {
        $nodes = $nodes ?? static::all();

        return $nodes->where((new static)->getParentIdName(), null)
            ->values()
            ->each(function ($item) use ($nodes) {
                $nodes->toTree($item);
            });
    }

    /*
    |--------------------------------------------------------------------------
    | Kalnoy/NestedSet
    |--------------------------------------------------------------------------
    |
    | Overwrite the default tree columns here to fit with backpack reorder
    */

    public function getLftName()
    {
        return 'lft';
    }

    public function getRgtName()
    {
        return 'rgt';
    }

    public function getParentIdName()
    {
        return 'parent_id';
    }
}