DVDoug\BoxPacker\DefaultBoxSorter::compare()

Complexity

Conditions	3
Paths	3

Size

Total Lines	18
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	3

Importance

Changes	2
Bugs	0	Features	2

<?php
    public function compare(Box $boxA, Box $boxB): int
    {
        $boxAVolume = $boxA->getInnerWidth() * $boxA->getInnerLength() * $boxA->getInnerDepth();
        $boxBVolume = $boxB->getInnerWidth() * $boxB->getInnerLength() * $boxB->getInnerDepth();

        $volumeDecider = $boxAVolume <=> $boxBVolume; // try smallest box first

        if ($volumeDecider !== 0) {
            return $volumeDecider;
        }

        $emptyWeightDecider = $boxA->getEmptyWeight() <=> $boxB->getEmptyWeight(); // with smallest empty weight
        if ($emptyWeightDecider !== 0) {
            return $emptyWeightDecider;
        }

        // maximum weight capacity as fallback decider
        return ($boxA->getMaxWeight() - $boxA->getEmptyWeight()) <=> ($boxB->getMaxWeight() - $boxB->getEmptyWeight());
    }