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<?php |
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namespace Dynamic\Foxy\Discounts; |
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use Dynamic\Foxy\Discounts\Model\Discount; |
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use Dynamic\Foxy\Discounts\Model\DiscountTier; |
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use Dynamic\Foxy\Model\ProductOption; |
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use SilverStripe\Core\Injector\Injectable; |
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/** |
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* Class DiscountHelper |
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* @package Dynamic\Foxy\Discounts |
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*/ |
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class DiscountHelper |
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{ |
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use Injectable; |
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/** |
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* @var |
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*/ |
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private $product; |
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/** |
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* @var ProductOption |
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*/ |
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private $product_option; |
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/** |
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* @var Discount |
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*/ |
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private $discount; |
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/** |
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* @var |
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*/ |
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private $discounted_price; |
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/** |
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* @var DiscountTier |
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*/ |
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private $discount_tier; |
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/** |
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* DiscountHelper constructor. |
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* @param $product |
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* @param $discount |
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* @param ProductOption|string|null $productOption |
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*/ |
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public function __construct($product, $discount, $productOption = null) |
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{ |
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$this->setProduct($product); |
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$this->setDiscount($discount); |
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if ($productOption instanceof ProductOption || is_string($productOption)) { |
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$this->setProductOption($productOption); |
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} |
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$this->setDiscountedPrice(); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getProduct() |
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{ |
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return $this->product; |
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} |
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/** |
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* @param $product |
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* @return $this |
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*/ |
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public function setProduct($product): self |
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{ |
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$this->product = $product; |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getProductOption() |
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{ |
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return $this->product_option; |
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} |
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/** |
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* @param ProductOption $productOption |
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* @return $this |
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*/ |
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public function setProductOption($productOption): self |
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{ |
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$this->product_option = ($productOption instanceof ProductOption) |
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? $productOption |
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: $this->getProduct()->Options()->filter('OptionModifierKey', $productOption)->first(); |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getDiscount() |
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{ |
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return $this->discount; |
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} |
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/** |
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* @param Discount $discount |
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* @return $this |
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*/ |
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public function setDiscount(Discount $discount): self |
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{ |
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$this->discount = $discount; |
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return $this; |
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} |
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/** |
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* @param int $quantity |
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* @return $this |
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*/ |
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public function setDiscountTier($quantity = 1) |
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{ |
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$this->discount_tier = $this->getDiscount()->DiscountTiers() |
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->filter('Quantity:LessThanOrEqual', $quantity) |
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->sort('Quantity DESC')->first(); |
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return $this; |
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} |
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/** |
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* @return DiscountTier |
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*/ |
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public function getDiscountTier() |
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{ |
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if (!$this->discount_tier) { |
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$this->setDiscountTier(); |
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} |
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return $this->discount_tier; |
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} |
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/** |
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* @return float|int |
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*/ |
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public function setDiscountedPrice() |
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{ |
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$price = ($this->getProductOption()) |
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? $this->getProductOption()->getPrice($this->getProduct()) |
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: $this->getProduct()->Price; |
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$tier = $this->getDiscountTier(); |
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$price = ($this->getDiscount()->Type == 'Percent') |
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? $price - ($price * ($tier->Percentage / 100)) |
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: $price - $tier->Amount; |
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return $this->discounted_price = $price; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getDiscountedPrice() |
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{ |
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if (!$this->discounted_price) { |
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$this->setDiscountedPrice(); |
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} |
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return $this->discounted_price; |
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} |
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} |
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dynamic /
silverstripe-foxy-discounts
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