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files >> //var/softaculous/sitepad/editor/site-data/plugins/kkart-pro/includes/class-kkart-discounts.php
<?php /** * Discount calculation * * @package Kkart\Classes * @since 3.2.0 */ use Automattic\Kkart\Utilities\NumberUtil; defined( 'ABSPATH' ) || exit; /** * Discounts class. */ class KKART_Discounts { /** * Reference to cart or order object. * * @since 3.2.0 * @var KKART_Cart|KKART_Order */ protected $object; /** * An array of items to discount. * * @var array */ protected $items = array(); /** * An array of discounts which have been applied to items. * * @var array[] Code => Item Key => Value */ protected $discounts = array(); /** * KKART_Discounts Constructor. * * @param KKART_Cart|KKART_Order $object Cart or order object. */ public function __construct( $object = null ) { if ( is_a( $object, 'KKART_Cart' ) ) { $this->set_items_from_cart( $object ); } elseif ( is_a( $object, 'KKART_Order' ) ) { $this->set_items_from_order( $object ); } } /** * Set items directly. Used by KKART_Cart_Totals. * * @since 3.2.3 * @param array $items Items to set. */ public function set_items( $items ) { $this->items = $items; $this->discounts = array(); uasort( $this->items, array( $this, 'sort_by_price' ) ); } /** * Normalise cart items which will be discounted. * * @since 3.2.0 * @param KKART_Cart $cart Cart object. */ public function set_items_from_cart( $cart ) { $this->items = array(); $this->discounts = array(); if ( ! is_a( $cart, 'KKART_Cart' ) ) { return; } $this->object = $cart; foreach ( $cart->get_cart() as $key => $cart_item ) { $item = new stdClass(); $item->key = $key; $item->object = $cart_item; $item->product = $cart_item['data']; $item->quantity = $cart_item['quantity']; $item->price = kkart_add_number_precision_deep( $item->product->get_price() * $item->quantity ); $this->items[ $key ] = $item; } uasort( $this->items, array( $this, 'sort_by_price' ) ); } /** * Normalise order items which will be discounted. * * @since 3.2.0 * @param KKART_Order $order Order object. */ public function set_items_from_order( $order ) { $this->items = array(); $this->discounts = array(); if ( ! is_a( $order, 'KKART_Order' ) ) { return; } $this->object = $order; foreach ( $order->get_items() as $order_item ) { $item = new stdClass(); $item->key = $order_item->get_id(); $item->object = $order_item; $item->product = $order_item->get_product(); $item->quantity = $order_item->get_quantity(); $item->price = kkart_add_number_precision_deep( $order_item->get_subtotal() ); if ( $order->get_prices_include_tax() ) { $item->price += kkart_add_number_precision_deep( $order_item->get_subtotal_tax() ); } $this->items[ $order_item->get_id() ] = $item; } uasort( $this->items, array( $this, 'sort_by_price' ) ); } /** * Get the object concerned. * * @since 3.3.2 * @return object */ public function get_object() { return $this->object; } /** * Get items. * * @since 3.2.0 * @return object[] */ public function get_items() { return $this->items; } /** * Get items to validate. * * @since 3.3.2 * @return object[] */ public function get_items_to_validate() { return apply_filters( 'kkart_coupon_get_items_to_validate', $this->get_items(), $this ); } /** * Get discount by key with or without precision. * * @since 3.2.0 * @param string $key name of discount row to return. * @param bool $in_cents Should the totals be returned in cents, or without precision. * @return float */ public function get_discount( $key, $in_cents = false ) { $item_discount_totals = $this->get_discounts_by_item( $in_cents ); return isset( $item_discount_totals[ $key ] ) ? $item_discount_totals[ $key ] : 0; } /** * Get all discount totals. * * @since 3.2.0 * @param bool $in_cents Should the totals be returned in cents, or without precision. * @return array */ public function get_discounts( $in_cents = false ) { $discounts = $this->discounts; return $in_cents ? $discounts : kkart_remove_number_precision_deep( $discounts ); } /** * Get all discount totals per item. * * @since 3.2.0 * @param bool $in_cents Should the totals be returned in cents, or without precision. * @return array */ public function get_discounts_by_item( $in_cents = false ) { $discounts = $this->discounts; $item_discount_totals = (array) array_shift( $discounts ); foreach ( $discounts as $item_discounts ) { foreach ( $item_discounts as $item_key => $item_discount ) { $item_discount_totals[ $item_key ] += $item_discount; } } return $in_cents ? $item_discount_totals : kkart_remove_number_precision_deep( $item_discount_totals ); } /** * Get all discount totals per coupon. * * @since 3.2.0 * @param bool $in_cents Should the totals be returned in cents, or without precision. * @return array */ public function get_discounts_by_coupon( $in_cents = false ) { $coupon_discount_totals = array_map( 'array_sum', $this->discounts ); return $in_cents ? $coupon_discount_totals : kkart_remove_number_precision_deep( $coupon_discount_totals ); } /** * Get discounted price of an item without precision. * * @since 3.2.0 * @param object $item Get data for this item. * @return float */ public function get_discounted_price( $item ) { return kkart_remove_number_precision_deep( $this->get_discounted_price_in_cents( $item ) ); } /** * Get discounted price of an item to precision (in cents). * * @since 3.2.0 * @param object $item Get data for this item. * @return int */ public function get_discounted_price_in_cents( $item ) { return absint( NumberUtil::round( $item->price - $this->get_discount( $item->key, true ) ) ); } /** * Apply a discount to all items using a coupon. * * @since 3.2.0 * @param KKART_Coupon $coupon Coupon object being applied to the items. * @param bool $validate Set to false to skip coupon validation. * @throws Exception Error message when coupon isn't valid. * @return bool|WP_Error True if applied or WP_Error instance in failure. */ public function apply_coupon( $coupon, $validate = true ) { if ( ! is_a( $coupon, 'KKART_Coupon' ) ) { return new WP_Error( 'invalid_coupon', __( 'Invalid coupon', 'kkart' ) ); } $is_coupon_valid = $validate ? $this->is_coupon_valid( $coupon ) : true; if ( is_wp_error( $is_coupon_valid ) ) { return $is_coupon_valid; } if ( ! isset( $this->discounts[ $coupon->get_code() ] ) ) { $this->discounts[ $coupon->get_code() ] = array_fill_keys( array_keys( $this->items ), 0 ); } $items_to_apply = $this->get_items_to_apply_coupon( $coupon ); // Core discounts are handled here as of 3.2. switch ( $coupon->get_discount_type() ) { case 'percent': $this->apply_coupon_percent( $coupon, $items_to_apply ); break; case 'fixed_product': $this->apply_coupon_fixed_product( $coupon, $items_to_apply ); break; case 'fixed_cart': $this->apply_coupon_fixed_cart( $coupon, $items_to_apply ); break; default: $this->apply_coupon_custom( $coupon, $items_to_apply ); break; } return true; } /** * Sort by price. * * @since 3.2.0 * @param array $a First element. * @param array $b Second element. * @return int */ protected function sort_by_price( $a, $b ) { $price_1 = $a->price * $a->quantity; $price_2 = $b->price * $b->quantity; if ( $price_1 === $price_2 ) { return 0; } return ( $price_1 < $price_2 ) ? 1 : -1; } /** * Filter out all products which have been fully discounted to 0. * Used as array_filter callback. * * @since 3.2.0 * @param object $item Get data for this item. * @return bool */ protected function filter_products_with_price( $item ) { return $this->get_discounted_price_in_cents( $item ) > 0; } /** * Get items which the coupon should be applied to. * * @since 3.2.0 * @param object $coupon Coupon object. * @return array */ protected function get_items_to_apply_coupon( $coupon ) { $items_to_apply = array(); foreach ( $this->get_items_to_validate() as $item ) { $item_to_apply = clone $item; // Clone the item so changes to this item do not affect the originals. if ( 0 === $this->get_discounted_price_in_cents( $item_to_apply ) || 0 >= $item_to_apply->quantity ) { continue; } if ( ! $coupon->is_valid_for_product( $item_to_apply->product, $item_to_apply->object ) && ! $coupon->is_valid_for_cart() ) { continue; } $items_to_apply[] = $item_to_apply; } return $items_to_apply; } /** * Apply percent discount to items and return an array of discounts granted. * * @since 3.2.0 * @param KKART_Coupon $coupon Coupon object. Passed through filters. * @param array $items_to_apply Array of items to apply the coupon to. * @return int Total discounted. */ protected function apply_coupon_percent( $coupon, $items_to_apply ) { $total_discount = 0; $cart_total = 0; $limit_usage_qty = 0; $applied_count = 0; $adjust_final_discount = true; if ( null !== $coupon->get_limit_usage_to_x_items() ) { $limit_usage_qty = $coupon->get_limit_usage_to_x_items(); } $coupon_amount = $coupon->get_amount(); foreach ( $items_to_apply as $item ) { // Find out how much price is available to discount for the item. $discounted_price = $this->get_discounted_price_in_cents( $item ); // Get the price we actually want to discount, based on settings. $price_to_discount = ( 'yes' === get_option( 'kkart_calc_discounts_sequentially', 'no' ) ) ? $discounted_price : NumberUtil::round( $item->price ); // See how many and what price to apply to. $apply_quantity = $limit_usage_qty && ( $limit_usage_qty - $applied_count ) < $item->quantity ? $limit_usage_qty - $applied_count : $item->quantity; $apply_quantity = max( 0, apply_filters( 'kkart_coupon_get_apply_quantity', $apply_quantity, $item, $coupon, $this ) ); $price_to_discount = ( $price_to_discount / $item->quantity ) * $apply_quantity; // Run coupon calculations. $discount = floor( $price_to_discount * ( $coupon_amount / 100 ) ); if ( is_a( $this->object, 'KKART_Cart' ) && has_filter( 'kkart_coupon_get_discount_amount' ) ) { // Send through the legacy filter, but not as cents. $filtered_discount = kkart_add_number_precision( apply_filters( 'kkart_coupon_get_discount_amount', kkart_remove_number_precision( $discount ), kkart_remove_number_precision( $price_to_discount ), $item->object, false, $coupon ) ); if ( $filtered_discount !== $discount ) { $discount = $filtered_discount; $adjust_final_discount = false; } } $discount = kkart_round_discount( min( $discounted_price, $discount ), 0 ); $cart_total = $cart_total + $price_to_discount; $total_discount = $total_discount + $discount; $applied_count = $applied_count + $apply_quantity; // Store code and discount amount per item. $this->discounts[ $coupon->get_code() ][ $item->key ] += $discount; } // Work out how much discount would have been given to the cart as a whole and compare to what was discounted on all line items. $cart_total_discount = kkart_round_discount( $cart_total * ( $coupon_amount / 100 ), 0 ); if ( $total_discount < $cart_total_discount && $adjust_final_discount ) { $total_discount += $this->apply_coupon_remainder( $coupon, $items_to_apply, $cart_total_discount - $total_discount ); } return $total_discount; } /** * Apply fixed product discount to items. * * @since 3.2.0 * @param KKART_Coupon $coupon Coupon object. Passed through filters. * @param array $items_to_apply Array of items to apply the coupon to. * @param int $amount Fixed discount amount to apply in cents. Leave blank to pull from coupon. * @return int Total discounted. */ protected function apply_coupon_fixed_product( $coupon, $items_to_apply, $amount = null ) { $total_discount = 0; $amount = $amount ? $amount : kkart_add_number_precision( $coupon->get_amount() ); $limit_usage_qty = 0; $applied_count = 0; if ( null !== $coupon->get_limit_usage_to_x_items() ) { $limit_usage_qty = $coupon->get_limit_usage_to_x_items(); } foreach ( $items_to_apply as $item ) { // Find out how much price is available to discount for the item. $discounted_price = $this->get_discounted_price_in_cents( $item ); // Get the price we actually want to discount, based on settings. $price_to_discount = ( 'yes' === get_option( 'kkart_calc_discounts_sequentially', 'no' ) ) ? $discounted_price : $item->price; // Run coupon calculations. if ( $limit_usage_qty ) { $apply_quantity = $limit_usage_qty - $applied_count < $item->quantity ? $limit_usage_qty - $applied_count : $item->quantity; $apply_quantity = max( 0, apply_filters( 'kkart_coupon_get_apply_quantity', $apply_quantity, $item, $coupon, $this ) ); $discount = min( $amount, $item->price / $item->quantity ) * $apply_quantity; } else { $apply_quantity = apply_filters( 'kkart_coupon_get_apply_quantity', $item->quantity, $item, $coupon, $this ); $discount = $amount * $apply_quantity; } if ( is_a( $this->object, 'KKART_Cart' ) && has_filter( 'kkart_coupon_get_discount_amount' ) ) { // Send through the legacy filter, but not as cents. $discount = kkart_add_number_precision( apply_filters( 'kkart_coupon_get_discount_amount', kkart_remove_number_precision( $discount ), kkart_remove_number_precision( $price_to_discount ), $item->object, false, $coupon ) ); } $discount = min( $discounted_price, $discount ); $total_discount = $total_discount + $discount; $applied_count = $applied_count + $apply_quantity; // Store code and discount amount per item. $this->discounts[ $coupon->get_code() ][ $item->key ] += $discount; } return $total_discount; } /** * Apply fixed cart discount to items. * * @since 3.2.0 * @param KKART_Coupon $coupon Coupon object. Passed through filters. * @param array $items_to_apply Array of items to apply the coupon to. * @param int $amount Fixed discount amount to apply in cents. Leave blank to pull from coupon. * @return int Total discounted. */ protected function apply_coupon_fixed_cart( $coupon, $items_to_apply, $amount = null ) { $total_discount = 0; $amount = $amount ? $amount : kkart_add_number_precision( $coupon->get_amount() ); $items_to_apply = array_filter( $items_to_apply, array( $this, 'filter_products_with_price' ) ); $item_count = array_sum( wp_list_pluck( $items_to_apply, 'quantity' ) ); if ( ! $item_count ) { return $total_discount; } if ( ! $amount ) { // If there is no amount we still send it through so filters are fired. $total_discount = $this->apply_coupon_fixed_product( $coupon, $items_to_apply, 0 ); } else { $per_item_discount = absint( $amount / $item_count ); // round it down to the nearest cent. if ( $per_item_discount > 0 ) { $total_discount = $this->apply_coupon_fixed_product( $coupon, $items_to_apply, $per_item_discount ); /** * If there is still discount remaining, repeat the process. */ if ( $total_discount > 0 && $total_discount < $amount ) { $total_discount += $this->apply_coupon_fixed_cart( $coupon, $items_to_apply, $amount - $total_discount ); } } elseif ( $amount > 0 ) { $total_discount += $this->apply_coupon_remainder( $coupon, $items_to_apply, $amount ); } } return $total_discount; } /** * Apply custom coupon discount to items. * * @since 3.3 * @param KKART_Coupon $coupon Coupon object. Passed through filters. * @param array $items_to_apply Array of items to apply the coupon to. * @return int Total discounted. */ protected function apply_coupon_custom( $coupon, $items_to_apply ) { $limit_usage_qty = 0; $applied_count = 0; if ( null !== $coupon->get_limit_usage_to_x_items() ) { $limit_usage_qty = $coupon->get_limit_usage_to_x_items(); } // Apply the coupon to each item. foreach ( $items_to_apply as $item ) { // Find out how much price is available to discount for the item. $discounted_price = $this->get_discounted_price_in_cents( $item ); // Get the price we actually want to discount, based on settings. $price_to_discount = kkart_remove_number_precision( ( 'yes' === get_option( 'kkart_calc_discounts_sequentially', 'no' ) ) ? $discounted_price : $item->price ); // See how many and what price to apply to. $apply_quantity = $limit_usage_qty && ( $limit_usage_qty - $applied_count ) < $item->quantity ? $limit_usage_qty - $applied_count : $item->quantity; $apply_quantity = max( 0, apply_filters( 'kkart_coupon_get_apply_quantity', $apply_quantity, $item, $coupon, $this ) ); // Run coupon calculations. $discount = kkart_add_number_precision( $coupon->get_discount_amount( $price_to_discount / $item->quantity, $item->object, true ) ) * $apply_quantity; $discount = kkart_round_discount( min( $discounted_price, $discount ), 0 ); $applied_count = $applied_count + $apply_quantity; // Store code and discount amount per item. $this->discounts[ $coupon->get_code() ][ $item->key ] += $discount; } // Allow post-processing for custom coupon types (e.g. calculating discrepancy, etc). $this->discounts[ $coupon->get_code() ] = apply_filters( 'kkart_coupon_custom_discounts_array', $this->discounts[ $coupon->get_code() ], $coupon ); return array_sum( $this->discounts[ $coupon->get_code() ] ); } /** * Deal with remaining fractional discounts by splitting it over items * until the amount is expired, discounting 1 cent at a time. * * @since 3.2.0 * @param KKART_Coupon $coupon Coupon object if appliable. Passed through filters. * @param array $items_to_apply Array of items to apply the coupon to. * @param int $amount Fixed discount amount to apply. * @return int Total discounted. */ protected function apply_coupon_remainder( $coupon, $items_to_apply, $amount ) { $total_discount = 0; foreach ( $items_to_apply as $item ) { for ( $i = 0; $i < $item->quantity; $i ++ ) { // Find out how much price is available to discount for the item. $price_to_discount = $this->get_discounted_price_in_cents( $item ); // Run coupon calculations. $discount = min( $price_to_discount, 1 ); // Store totals. $total_discount += $discount; // Store code and discount amount per item. $this->discounts[ $coupon->get_code() ][ $item->key ] += $discount; if ( $total_discount >= $amount ) { break 2; } } if ( $total_discount >= $amount ) { break; } } return $total_discount; } /** * Ensure coupon exists or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_exists( $coupon ) { if ( ! $coupon->get_id() && ! $coupon->get_virtual() ) { /* translators: %s: coupon code */ throw new Exception( sprintf( __( 'Coupon "%s" does not exist!', 'kkart' ), esc_html( $coupon->get_code() ) ), 105 ); } return true; } /** * Ensure coupon usage limit is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_usage_limit( $coupon ) { if ( $coupon->get_usage_limit() > 0 && $coupon->get_usage_count() >= $coupon->get_usage_limit() ) { throw new Exception( __( 'Coupon usage limit has been reached.', 'kkart' ), 106 ); } return true; } /** * Ensure coupon user usage limit is valid or throw exception. * * Per user usage limit - check here if user is logged in (against user IDs). * Checked again for emails later on in KKART_Cart::check_customer_coupons(). * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @param int $user_id User ID. * @return bool */ protected function validate_coupon_user_usage_limit( $coupon, $user_id = 0 ) { if ( empty( $user_id ) ) { if ( $this->object instanceof KKART_Order ) { $user_id = $this->object->get_customer_id(); } else { $user_id = get_current_user_id(); } } if ( $coupon && $user_id && apply_filters( 'kkart_coupon_validate_user_usage_limit', $coupon->get_usage_limit_per_user() > 0, $user_id, $coupon, $this ) && $coupon->get_id() && $coupon->get_data_store() ) { $data_store = $coupon->get_data_store(); $usage_count = $data_store->get_usage_by_user_id( $coupon, $user_id ); if ( $usage_count >= $coupon->get_usage_limit_per_user() ) { throw new Exception( __( 'Coupon usage limit has been reached.', 'kkart' ), 106 ); } } return true; } /** * Ensure coupon date is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_expiry_date( $coupon ) { if ( $coupon->get_date_expires() && apply_filters( 'kkart_coupon_validate_expiry_date', time() > $coupon->get_date_expires()->getTimestamp(), $coupon, $this ) ) { throw new Exception( __( 'This coupon has expired.', 'kkart' ), 107 ); } return true; } /** * Ensure coupon amount is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_minimum_amount( $coupon ) { $subtotal = kkart_remove_number_precision( $this->get_object_subtotal() ); if ( $coupon->get_minimum_amount() > 0 && apply_filters( 'kkart_coupon_validate_minimum_amount', $coupon->get_minimum_amount() > $subtotal, $coupon, $subtotal ) ) { /* translators: %s: coupon minimum amount */ throw new Exception( sprintf( __( 'The minimum spend for this coupon is %s.', 'kkart' ), kkart_price( $coupon->get_minimum_amount() ) ), 108 ); } return true; } /** * Ensure coupon amount is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_maximum_amount( $coupon ) { $subtotal = kkart_remove_number_precision( $this->get_object_subtotal() ); if ( $coupon->get_maximum_amount() > 0 && apply_filters( 'kkart_coupon_validate_maximum_amount', $coupon->get_maximum_amount() < $subtotal, $coupon ) ) { /* translators: %s: coupon maximum amount */ throw new Exception( sprintf( __( 'The maximum spend for this coupon is %s.', 'kkart' ), kkart_price( $coupon->get_maximum_amount() ) ), 112 ); } return true; } /** * Ensure coupon is valid for products in the list is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_product_ids( $coupon ) { if ( count( $coupon->get_product_ids() ) > 0 ) { $valid = false; foreach ( $this->get_items_to_validate() as $item ) { if ( $item->product && in_array( $item->product->get_id(), $coupon->get_product_ids(), true ) || in_array( $item->product->get_parent_id(), $coupon->get_product_ids(), true ) ) { $valid = true; break; } } if ( ! $valid ) { throw new Exception( __( 'Sorry, this coupon is not applicable to selected products.', 'kkart' ), 109 ); } } return true; } /** * Ensure coupon is valid for product categories in the list is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_product_categories( $coupon ) { if ( count( $coupon->get_product_categories() ) > 0 ) { $valid = false; foreach ( $this->get_items_to_validate() as $item ) { if ( $coupon->get_exclude_sale_items() && $item->product && $item->product->is_on_sale() ) { continue; } $product_cats = kkart_get_product_cat_ids( $item->product->get_id() ); if ( $item->product->get_parent_id() ) { $product_cats = array_merge( $product_cats, kkart_get_product_cat_ids( $item->product->get_parent_id() ) ); } // If we find an item with a cat in our allowed cat list, the coupon is valid. if ( count( array_intersect( $product_cats, $coupon->get_product_categories() ) ) > 0 ) { $valid = true; break; } } if ( ! $valid ) { throw new Exception( __( 'Sorry, this coupon is not applicable to selected products.', 'kkart' ), 109 ); } } return true; } /** * Ensure coupon is valid for sale items in the list is valid or throw exception. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_sale_items( $coupon ) { if ( $coupon->get_exclude_sale_items() ) { $valid = true; foreach ( $this->get_items_to_validate() as $item ) { if ( $item->product && $item->product->is_on_sale() ) { $valid = false; break; } } if ( ! $valid ) { throw new Exception( __( 'Sorry, this coupon is not valid for sale items.', 'kkart' ), 110 ); } } return true; } /** * All exclusion rules must pass at the same time for a product coupon to be valid. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_excluded_items( $coupon ) { $items = $this->get_items_to_validate(); if ( ! empty( $items ) && $coupon->is_type( kkart_get_product_coupon_types() ) ) { $valid = false; foreach ( $items as $item ) { if ( $item->product && $coupon->is_valid_for_product( $item->product, $item->object ) ) { $valid = true; break; } } if ( ! $valid ) { throw new Exception( __( 'Sorry, this coupon is not applicable to selected products.', 'kkart' ), 109 ); } } return true; } /** * Cart discounts cannot be added if non-eligible product is found. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_eligible_items( $coupon ) { if ( ! $coupon->is_type( kkart_get_product_coupon_types() ) ) { $this->validate_coupon_sale_items( $coupon ); $this->validate_coupon_excluded_product_ids( $coupon ); $this->validate_coupon_excluded_product_categories( $coupon ); } return true; } /** * Exclude products. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_excluded_product_ids( $coupon ) { // Exclude Products. if ( count( $coupon->get_excluded_product_ids() ) > 0 ) { $products = array(); foreach ( $this->get_items_to_validate() as $item ) { if ( $item->product && in_array( $item->product->get_id(), $coupon->get_excluded_product_ids(), true ) || in_array( $item->product->get_parent_id(), $coupon->get_excluded_product_ids(), true ) ) { $products[] = $item->product->get_name(); } } if ( ! empty( $products ) ) { /* translators: %s: products list */ throw new Exception( sprintf( __( 'Sorry, this coupon is not applicable to the products: %s.', 'kkart' ), implode( ', ', $products ) ), 113 ); } } return true; } /** * Exclude categories from product list. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool */ protected function validate_coupon_excluded_product_categories( $coupon ) { if ( count( $coupon->get_excluded_product_categories() ) > 0 ) { $categories = array(); foreach ( $this->get_items_to_validate() as $item ) { if ( ! $item->product ) { continue; } $product_cats = kkart_get_product_cat_ids( $item->product->get_id() ); if ( $item->product->get_parent_id() ) { $product_cats = array_merge( $product_cats, kkart_get_product_cat_ids( $item->product->get_parent_id() ) ); } $cat_id_list = array_intersect( $product_cats, $coupon->get_excluded_product_categories() ); if ( count( $cat_id_list ) > 0 ) { foreach ( $cat_id_list as $cat_id ) { $cat = get_term( $cat_id, 'product_cat' ); $categories[] = $cat->name; } } } if ( ! empty( $categories ) ) { /* translators: %s: categories list */ throw new Exception( sprintf( __( 'Sorry, this coupon is not applicable to the categories: %s.', 'kkart' ), implode( ', ', array_unique( $categories ) ) ), 114 ); } } return true; } /** * Get the object subtotal * * @return int */ protected function get_object_subtotal() { if ( is_a( $this->object, 'KKART_Cart' ) ) { return kkart_add_number_precision( $this->object->get_displayed_subtotal() ); } elseif ( is_a( $this->object, 'KKART_Order' ) ) { $subtotal = kkart_add_number_precision( $this->object->get_subtotal() ); if ( $this->object->get_prices_include_tax() ) { // Add tax to tax-exclusive subtotal. $subtotal = $subtotal + kkart_add_number_precision( NumberUtil::round( $this->object->get_total_tax(), kkart_get_price_decimals() ) ); } return $subtotal; } else { return array_sum( wp_list_pluck( $this->items, 'price' ) ); } } /** * Check if a coupon is valid. * * Error Codes: * - 100: Invalid filtered. * - 101: Invalid removed. * - 102: Not yours removed. * - 103: Already applied. * - 104: Individual use only. * - 105: Not exists. * - 106: Usage limit reached. * - 107: Expired. * - 108: Minimum spend limit not met. * - 109: Not applicable. * - 110: Not valid for sale items. * - 111: Missing coupon code. * - 112: Maximum spend limit met. * - 113: Excluded products. * - 114: Excluded categories. * * @since 3.2.0 * @throws Exception Error message. * @param KKART_Coupon $coupon Coupon data. * @return bool|WP_Error */ public function is_coupon_valid( $coupon ) { try { $this->validate_coupon_exists( $coupon ); $this->validate_coupon_usage_limit( $coupon ); $this->validate_coupon_user_usage_limit( $coupon ); $this->validate_coupon_expiry_date( $coupon ); $this->validate_coupon_minimum_amount( $coupon ); $this->validate_coupon_maximum_amount( $coupon ); $this->validate_coupon_product_ids( $coupon ); $this->validate_coupon_product_categories( $coupon ); $this->validate_coupon_excluded_items( $coupon ); $this->validate_coupon_eligible_items( $coupon ); if ( ! apply_filters( 'kkart_coupon_is_valid', true, $coupon, $this ) ) { throw new Exception( __( 'Coupon is not valid.', 'kkart' ), 100 ); } } catch ( Exception $e ) { /** * Filter the coupon error message. * * @param string $error_message Error message. * @param int $error_code Error code. * @param KKART_Coupon $coupon Coupon data. */ $message = apply_filters( 'kkart_coupon_error', is_numeric( $e->getMessage() ) ? $coupon->get_coupon_error( $e->getMessage() ) : $e->getMessage(), $e->getCode(), $coupon ); return new WP_Error( 'invalid_coupon', $message, array( 'status' => 400, ) ); } return true; } }
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