Spatie\EloquentSortable\MoveModels

Complexity

Total Complexity

4

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
B	__invoke()	0	27	3

<?php

namespace Spatie\EloquentSortable;

class MoveModels
{

    private $orderColumnName;

    public function __construct($orderColumnName)
    {
        $this->orderColumnName = $orderColumnName;
    }

    public function __invoke($action, $moved, $displaced)
    {
        $oldPosition = $moved->{$this->orderColumnName};
        $newPosition = $displaced->{$this->orderColumnName};

        if ($oldPosition === $newPosition) {
            return;
        }

        $positionCalculator = new PositionCalculator;
        $movedAfter = $action === 'moveAfter';
        $movingForward = $oldPosition < $newPosition;
        $method = $movingForward ? 'decrement' : 'increment';


        $moved->buildSortQuery()
            ->where($this->orderColumnName, '>', min([$oldPosition, $newPosition]))
            ->where($this->orderColumnName, '<', max([$oldPosition, $newPosition]))
            ->$method($this->orderColumnName);


        $moved->{$this->orderColumnName} = $positionCalculator($movedAfter, $movingForward, $newPosition);
        $displaced->{$this->orderColumnName} = $positionCalculator(!$movedAfter, $movingForward, $newPosition);

        $moved->save();
        $displaced->save();
    }
}