/**
* Buckets for each potential offer, keeping duplicate offers.
*
* @throws \InvalidArgumentException
*
* @return Collection|PotentialOffer[]
*/
private function potentials() : Collection
{
return $this->components->map(function (OfferComponent $component) {
return $component->product();
})->filter(function (Product $product) {
return $product->offers->count();
})->reduce(function (Collection $potentials, Product $product) {
return $potentials->push(new PotentialOffer($product->offers->first()));
}, new Collection());
}
/**
* What would the offer components have cost without the offer?
*
* @throws \InvalidArgumentException
*
* @return Money
*/
public function originalPrice() : Money
{
return $this->components->reduce(function (Money $price, OfferComponent $component) {
return $price->add($component->product()->price()->asMoney());
}, Money::fromInt(0));
}
