protected function sort($a, $b)
{
if ($this->math->eq($a, $b)) {
return 0;
}
if ($this->math->lessThan($a, $b)) {
return 1;
}
return -1;
}
/**
* @param DimensionsInterface $dimensions
* @return Length
*/
public function calculate(DimensionsInterface $dimensions)
{
$dimensions = $this->dimensionsNormalizer->normalize($dimensions);
$value = $this->math->sum($dimensions->getLength(), $dimensions->getWidth());
$value = $this->math->mul($value, 2);
$perimeter = new Length();
$perimeter->setUnit($dimensions->getUnit());
$perimeter->setValue($value);
return $perimeter;
}
/**
* @param Dimensions $dimensions
* @return Length
*/
public function calculate(Dimensions $dimensions)
{
$dimensions = $this->dimensionsNormalizer->normalize($dimensions);
$value = $dimensions->getLength();
$value = $this->math->sum($value, $this->math->mul($dimensions->getWidth(), 2));
$value = $this->math->sum($value, $this->math->mul($dimensions->getHeight(), 2));
$girth = new Length();
$girth->setUnit($dimensions->getUnit());
$girth->setValue($value);
return $girth;
}
/**
* @param Dimensions $dimensions
* @return Weight
*/
public function calculate(Dimensions $dimensions)
{
$length = $this->lengthConverter->convert($dimensions->getLength(), $dimensions->getUnit(), LengthUnits::IN);
$width = $this->lengthConverter->convert($dimensions->getWidth(), $dimensions->getUnit(), LengthUnits::IN);
$height = $this->lengthConverter->convert($dimensions->getHeight(), $dimensions->getUnit(), LengthUnits::IN);
$volume = $this->math->mul($length, $width);
$volume = $this->math->mul($volume, $height);
$value = $this->math->div($volume, $this->getFactor());
$value = $this->math->roundUp($value, 3);
$weight = new Weight();
$weight->setValue($value);
$weight->setUnit(WeightUnits::LB);
return $weight;
}
/**
* @param DimensionsInterface $dimensions
* @return Dimensions
*/
public function normalize(DimensionsInterface $dimensions)
{
$values = [$dimensions->getLength()];
if ($this->math->greaterThan($dimensions->getWidth(), reset($values))) {
array_unshift($values, $dimensions->getWidth());
} else {
$values[] = $dimensions->getWidth();
}
if ($this->math->greaterThan($dimensions->getHeight(), reset($values))) {
array_unshift($values, $dimensions->getHeight());
} else {
$values[] = $dimensions->getHeight();
}
$normalized = new Dimensions();
$normalized->setUnit($dimensions->getUnit());
$normalized->setLength(reset($values));
$normalized->setWidth(next($values));
$normalized->setHeight(next($values));
return $normalized;
}
