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<?php |
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|
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namespace Disco\App\Calc; |
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|
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/** |
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* Class CalcPercent |
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* |
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* @package Disco |
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* @subpackage Disco\App\Calc |
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* @author Ohidul Islam <wahid0003@gmail.com> |
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* @link https://webappick.com |
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* @license https://opensource.org/licenses/gpl-license.php GNU Public License |
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* @category Plugin |
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*/ |
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class CalcFixed extends CalcAbstract { |
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|
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use \Disco\App\Intents\IntentHelper; |
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|
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/** |
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* @var object $cart Cart. |
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* @phpstan-ignore-next-line |
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*/ |
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private $cart; |
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|
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/** |
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* @var float |
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*/ |
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private $discounted_quantities; |
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|
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/** |
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* @var string $discount_intent |
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*/ |
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private $discount_intent; |
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|
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/** |
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* @var array $rule Campaign Rule. |
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*/ |
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private $rule; |
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|
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/** |
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* @var array $item Cart Item. |
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*/ |
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private $item; |
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|
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/** |
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* CalcFixed constructor. |
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* |
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* @param array $rule Campaign Rule. |
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* @param array $item Cart Item. |
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* @param \WC_Cart $cart Cart. |
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* @param object $campaign Campaign. |
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*/ |
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public function __construct( $rule, $item, $cart, $campaign ) { |
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$this->item = $item; |
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$this->rule = $rule; |
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$this->cart = $cart; |
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// @phpstan-ignore-next-line |
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$this->discount_intent = $campaign->get_discount_intent(); |
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} |
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|
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public function calculate(): array { |
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$discount = $this->calculate_discount(); |
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|
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return array( |
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'price' => $this->calculate_price( $discount ), |
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'discount' => $discount, |
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'line_subtotal' => $this->calculate_line_subtotal( $discount ), |
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'discounted_quantities' => $this->discounted_quantities, |
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); |
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} |
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|
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/** |
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* Calculate Discount. |
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* |
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* @return float Discount Amount. |
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*/ |
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public function calculate_discount(): float { // phpcs:ignore |
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$discount_amount = 0; |
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$fixed_discount = $this->rule['discount_value']; |
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$quantity = (int) $this->item['quantity']; |
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|
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/** |
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* "Count Quantity As" combined / variations: a fixed amount is a flat |
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* line discount, so eligibility (any eligible unit) gates it once rather |
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* than scaling with the eligible unit count. |
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*/ |
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if ( isset( $this->item['disco_forced_qty'] ) ) { |
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$forced = max( 0, (int) $this->item['disco_forced_qty'] ); |
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$this->discounted_quantities = $forced; |
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$amount = 0.0; |
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|
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if ( $forced > 0 ) { |
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$amount = (float) $fixed_discount * $this->pooled_bundle_count( $forced ); |
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} |
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|
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return apply_filters( 'disco_final_discounted_amount', $amount, 'fixed' ); |
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} |
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|
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$min = $this->rule['min'] ? (int) $this->rule['min'] : 0; // phpcs:ignore |
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$max = $this->rule['max'] ? (int) $this->rule['max'] : 0; // phpcs:ignore |
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$recursive = isset( $this->rule['recursive'] ) && 'yes' === $this->rule['recursive']; // phpcs:ignore |
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$item_id = $this->item['product_id']; |
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$rule_ids = array_column( $this->rule['get_ids'], 'id' ); |
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$discount_qty = $this->rule['get_quantity'] ? (int) $this->rule['get_quantity'] : 0; // phpcs:ignore |
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|
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// Default discount for quantities. |
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$discount_for_quantities = $min; |
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|
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/** |
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* Bulk / range capping — only when NOT recursive. Recursive rules ignore |
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* max: the bundle size is always min, so the qualifying quantity must not |
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* be capped to max here, otherwise floor( qty / base ) would divide by |
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* max instead of min and undercount the bundles. |
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*/ |
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if ( ! $recursive && $max && $quantity >= $max ) { |
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$discount_for_quantities = $max; |
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} |
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|
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// If quantity between min and max then apply discount. |
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if ( ! $recursive && $quantity >= $min && $quantity <= $max ) { |
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$discount_for_quantities = $quantity; |
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} |
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|
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// Apply for the Bundle & BOGO Discount when recursive is set. |
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$multiplier = 1; |
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|
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/** |
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* If discount intent is BuyXGetY then set the discount for quantities to 1. |
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* This is to ensure that the discount for selected item for BOGO discount. |
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* Here no need to check for min and max quantity. |
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*/ |
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if ( |
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$this->discount_intent === 'BuyXGetY' |
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&& ! empty( $rule_ids ) |
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&& ( |
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in_array( $item_id, $rule_ids, true ) |
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|| $this->is_in_category( $item_id, $rule_ids ) |
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) |
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) { |
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$discount_for_quantities = $discount_qty; |
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$multiplier = $discount_qty; |
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} |
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|
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if ( $recursive && $min > 0 && $quantity >= $min ) { |
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/** |
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* Recursive: the number of bundles is floor( qty / min ). Divide by |
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* min, never by $discount_for_quantities — for BuyXGetY the latter |
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* holds the reward quantity (get_quantity) and would inflate the |
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* multiplier (e.g. buy 2 get 1 with 2 in cart → 1 bundle, not 2). |
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*/ |
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$multiplier = (int) floor( $quantity / $min ); |
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$discount_for_quantities *= $multiplier; |
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} |
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|
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// Limit discount to Min or Max quantity. |
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if ( $quantity >= $discount_for_quantities ) { |
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$discount_amount = $fixed_discount * $multiplier; |
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} |
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|
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$this->discounted_quantities = $discount_for_quantities; |
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|
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return apply_filters( 'disco_final_discounted_amount', $discount_amount, 'fixed' ); |
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} |
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|
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/** |
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* Calculate Price. |
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* |
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* @param float $discount Discount Amount. |
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* @return float Price. |
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*/ |
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public function calculate_price( $discount ): float { |
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$discounted_subtotal = $this->calculate_line_subtotal( $discount ); |
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|
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return $discounted_subtotal / $this->item['quantity']; |
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} |
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|
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/** |
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* Calculate Line Subtotal. |
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* |
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* @param float $discount Discount Amount. |
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* @return float Line Subtotal. |
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*/ |
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public function calculate_line_subtotal( $discount ): float { |
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if ( isset( $this->item['line_subtotal'] ) ) { |
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return $this->item['line_subtotal'] - $discount; |
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} |
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|
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return 0.0; |
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} |
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|
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/** |
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* How many times a flat amount is charged for a pooled group. |
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* |
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* The pooled path hands this class the whole qualifying quantity on a single |
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* line, so the bundle count comes from that quantity rather than from a per |
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* line multiplier. A non recursive rule is charged once however large the |
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* pool; a recursive one is charged once per whole bundle in it. |
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* |
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* @param int $pooled_quantity Qualifying quantity across the pooled lines. |
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*/ |
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private function pooled_bundle_count( int $pooled_quantity ): int { |
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if ( ! isset( $this->rule['recursive'] ) || 'yes' !== $this->rule['recursive'] ) { |
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return 1; |
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} |
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|
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$minimum = 0; |
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|
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if ( isset( $this->rule['min'] ) ) { |
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$minimum = absint( $this->rule['min'] ); |
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} |
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|
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if ( $minimum < 1 ) { |
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return 1; |
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} |
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|
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return max( 1, (int) floor( $pooled_quantity / $minimum ) ); |
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} |
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|
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} |
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|
