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<?php |
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namespace Dynamic\Foxy\Discounts\Extension; |
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use Dynamic\Foxy\Discounts\DiscountHelper; |
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use Dynamic\Foxy\Discounts\Model\Discount; |
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use SilverStripe\ORM\DataExtension; |
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use SilverStripe\ORM\HasManyList; |
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/** |
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* Class ProductDataExtension |
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* @package Dynamic\Foxy\Discounts\Extension |
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*/ |
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class ProductDataExtension extends DataExtension |
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{ |
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/** |
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* @var |
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*/ |
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private $discounts_list; |
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/** |
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* @var DiscountHelper |
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*/ |
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private $best_discount; |
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/** |
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* @var array |
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*/ |
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private static $belongs_many_many = [ |
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'Discounts' => Discount::class, |
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]; |
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/** |
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* @return $this |
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*/ |
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private function setDiscountsList() |
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{ |
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$list = Discount::get()->filter([ |
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'StartTime:LessThanOrEqual' => date("Y-m-d H:i:s", strtotime('now')), |
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'EndTime:GreaterThanOrEqual' => date("Y-m-d H:i:s", strtotime('now')), |
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]); |
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$strict = $list->filter([ |
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'Products.Count():GreaterThan' => 0, |
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'Products.ID' => $this->owner->ID, |
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]); |
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$global = $list->filter('Products.Count()', 0); |
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$merge = array_merge(array_values($strict->column()), array_values($global->column())); |
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$this->discounts_list = (!empty($merge)) |
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? Discount::get()->byIDs($merge) |
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: null; |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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private function getDiscountsList() |
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{ |
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if (!$this->discounts_list) { |
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$this->setDiscountsList(); |
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} |
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return $this->discounts_list; |
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} |
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/** |
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* @param int $quantity |
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* @param null $optionKey |
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* @return $this |
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*/ |
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public function setBestDiscount($quantity = 1, $optionKey = null) |
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{ |
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/** @var HasManyList $filtered */ |
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if ($filtered = $this->getDiscountsList()) { |
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$filtered = $filtered->filter('DiscountTiers.Quantity:LessThanOrEqual', $quantity); |
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if ($filtered->count() == 1) { |
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$this->best_discount = DiscountHelper::create($this->owner, $filtered->first(), $optionKey); |
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return $this; |
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} |
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$bestDiscount = null; |
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/** @var Discount $discount */ |
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foreach ($filtered as $discount) { |
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if ($bestDiscount === null) { |
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$bestDiscount = DiscountHelper::create($this->owner, $discount, $optionKey); |
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continue; |
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} |
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$testDiscount = DiscountHelper::create($this->owner, $discount, $optionKey); |
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$bestDiscount = (float)$bestDiscount->getDiscountedPrice() > (float)$testDiscount->getDiscountedPrice() |
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? $testDiscount |
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: $bestDiscount; |
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} |
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$this->best_discount = $bestDiscount; |
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} else { |
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$this->best_discount = null; |
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} |
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return $this; |
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} |
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/** |
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* @return DiscountHelper |
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*/ |
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public function getBestDiscount() |
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{ |
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//if (!$this->best_discount) { |
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$this->setBestDiscount(); |
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//} |
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return $this->best_discount; |
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} |
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/** |
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* @param int $quantity |
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* @param null $optionKey |
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* @return bool|mixed |
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*/ |
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public function getDiscountPrice($quantity = 1, $optionKey = null) |
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{ |
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if ($discount = $this->getBestDiscount()) { |
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return $discount->getDiscountedPrice(); |
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} |
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return false; |
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} |
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/** |
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* @return bool |
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*/ |
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public function getHasDiscount() |
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{ |
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if ($discount = $this->getBestDiscount()) { |
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$discount = $discount->getDiscount(); |
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$restrictions = $discount->hasMethod('getRestrictions') |
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? $discount->getRestrictions() |
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: []; |
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return $this->getBestDiscount() instanceof DiscountHelper |
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&& (empty($restrictions) || in_array($this->owner->ID, $restrictions)); |
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} |
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return false; |
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} |
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} |
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dynamic /
silverstripe-foxy-discounts
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