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Edit File : class-wc-coupon.php \| Size : 39.64 KB
<?php /** * WooCommerce coupons. * * The WooCommerce coupons class gets coupon data from storage and checks coupon validity. * * @package WooCommerce\Classes * @version 3.0.0 / use Automattic\WooCommerce\Enums\ProductType; use Automattic\WooCommerce\Utilities\NumberUtil; use Automattic\WooCommerce\Utilities\StringUtil; defined( 'ABSPATH' ) \|\| exit; require_once __DIR__ . '/legacy/class-wc-legacy-coupon.php'; /* * Coupon class. / class WC_Coupon extends WC_Legacy_Coupon { /* * Data array, with defaults. * * @since 3.0.0 * @var array / protected $data = array( 'code' => '', 'amount' => 0, 'status' => null, 'date_created' => null, 'date_modified' => null, 'date_expires' => null, 'discount_type' => 'fixed_cart', 'description' => '', 'usage_count' => 0, 'individual_use' => false, 'product_ids' => array(), 'excluded_product_ids' => array(), 'usage_limit' => 0, 'usage_limit_per_user' => 0, 'limit_usage_to_x_items' => null, 'free_shipping' => false, 'product_categories' => array(), 'excluded_product_categories' => array(), 'exclude_sale_items' => false, 'minimum_amount' => '', 'maximum_amount' => '', 'email_restrictions' => array(), 'used_by' => array(), 'virtual' => false, ); // Coupon message codes. const E_WC_COUPON_INVALID_FILTERED = 100; const E_WC_COUPON_INVALID_REMOVED = 101; const E_WC_COUPON_NOT_YOURS_REMOVED = 102; const E_WC_COUPON_ALREADY_APPLIED = 103; const E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY = 104; const E_WC_COUPON_NOT_EXIST = 105; const E_WC_COUPON_USAGE_LIMIT_REACHED = 106; const E_WC_COUPON_EXPIRED = 107; const E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET = 108; const E_WC_COUPON_NOT_APPLICABLE = 109; const E_WC_COUPON_NOT_VALID_SALE_ITEMS = 110; const E_WC_COUPON_PLEASE_ENTER = 111; const E_WC_COUPON_MAX_SPEND_LIMIT_MET = 112; const E_WC_COUPON_EXCLUDED_PRODUCTS = 113; const E_WC_COUPON_EXCLUDED_CATEGORIES = 114; const E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK = 115; const E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK_GUEST = 116; const WC_COUPON_SUCCESS = 200; const WC_COUPON_REMOVED = 201; /* * Cache group. * * @var string / protected $cache_group = 'coupons'; /* * Error message. * * This property should not be considered public API, and should not be accessed directly. * It is being added to suppress PHP > 8.0 warnings against dynamic property creation, and all access * should be through the getter and setter methods, namely `get_error_message()` and `set_error_message()`. * In the future, the access modifier may be changed back to protected. * * @var string / public $error_message; /* * Sorting. * * Used by `get_coupons_from_cart` to sort coupons. * * @var int / public $sort = 0; /* * Coupon constructor. Loads coupon data. * * @param mixed $data Coupon data, object, ID or code. / public function __construct( $data = '' ) { parent::__construct( $data ); // If we already have a coupon object, read it again. if ( $data instanceof WC_Coupon ) { $this->set_id( absint( $data->get_id() ) ); $this->read_object_from_database(); return; } // This filter allows custom coupon objects to be created on the fly. $coupon = apply_filters( 'woocommerce_get_shop_coupon_data', false, $data, $this ); if ( $coupon ) { $this->read_manual_coupon( $data, $coupon ); return; } // Try to load coupon using ID or code. if ( is_int( $data ) && 'shop_coupon' === get_post_type( $data ) ) { $this->set_id( $data ); } elseif ( is_string( $data ) && ! StringUtil::is_null_or_whitespace( $data ) ) { $id = wc_get_coupon_id_by_code( $data ); // Need to support numeric strings for backwards compatibility. if ( ! $id && 'shop_coupon' === get_post_type( $data ) ) { $this->set_id( $data ); } else { $this->set_id( $id ); $this->set_code( $data ); } } else { $this->set_object_read( true ); } $this->read_object_from_database(); } /* * If the object has an ID, read using the data store. * * @since 3.4.1 / protected function read_object_from_database() { $this->data_store = WC_Data_Store::load( 'coupon' ); if ( $this->get_id() > 0 ) { $this->data_store->read( $this ); } } /* * Checks the coupon type. * * @param string\|array $type Array or string of types. * @return bool / public function is_type( $type ) { return ( $this->get_discount_type() === $type \|\| ( is_array( $type ) && in_array( $this->get_discount_type(), $type, true ) ) ); } /* * Prefix for action and filter hooks on data. * * @since 3.0.0 * @return string / protected function get_hook_prefix() { return 'woocommerce_coupon_get_'; } / \|-------------------------------------------------------------------------- \| Getters \|-------------------------------------------------------------------------- \| \| Methods for getting data from the coupon object. \| / /* * Get coupon code. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return string / public function get_code( $context = 'view' ) { return $this->get_prop( 'code', $context ); } /* * Get coupon description. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return string / public function get_description( $context = 'view' ) { return $this->get_prop( 'description', $context ); } /* * Get coupon status. * * @since 6.2.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return string / public function get_status( $context = 'view' ) { return $this->get_prop( 'status', $context ); } /* * Get discount type. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return string / public function get_discount_type( $context = 'view' ) { return $this->get_prop( 'discount_type', $context ); } /* * Get coupon amount. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return string / public function get_amount( $context = 'view' ) { return wc_format_decimal( $this->get_prop( 'amount', $context ) ); } /* * Get coupon expiration date. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return WC_DateTime\|NULL object if the date is set or null if there is no date. / public function get_date_expires( $context = 'view' ) { return $this->get_prop( 'date_expires', $context ); } /* * Get date_created * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return WC_DateTime\|NULL object if the date is set or null if there is no date. / public function get_date_created( $context = 'view' ) { return $this->get_prop( 'date_created', $context ); } /* * Get date_modified * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return WC_DateTime\|NULL object if the date is set or null if there is no date. / public function get_date_modified( $context = 'view' ) { return $this->get_prop( 'date_modified', $context ); } /* * Get coupon usage count. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return integer / public function get_usage_count( $context = 'view' ) { return $this->get_prop( 'usage_count', $context ); } /* * Get the "individual use" checkbox status. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return bool / public function get_individual_use( $context = 'view' ) { return $this->get_prop( 'individual_use', $context ); } /* * Get product IDs this coupon can apply to. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return array / public function get_product_ids( $context = 'view' ) { return $this->get_prop( 'product_ids', $context ); } /* * Get product IDs that this coupon should not apply to. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return array / public function get_excluded_product_ids( $context = 'view' ) { return $this->get_prop( 'excluded_product_ids', $context ); } /* * Get coupon usage limit. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return integer / public function get_usage_limit( $context = 'view' ) { return $this->get_prop( 'usage_limit', $context ); } /* * Get coupon usage limit per customer (for a single customer) * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return integer / public function get_usage_limit_per_user( $context = 'view' ) { return $this->get_prop( 'usage_limit_per_user', $context ); } /* * Usage limited to certain amount of items * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return integer\|null / public function get_limit_usage_to_x_items( $context = 'view' ) { return $this->get_prop( 'limit_usage_to_x_items', $context ); } /* * If this coupon grants free shipping or not. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return bool / public function get_free_shipping( $context = 'view' ) { return $this->get_prop( 'free_shipping', $context ); } /* * Get product categories this coupon can apply to. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return array / public function get_product_categories( $context = 'view' ) { return $this->get_prop( 'product_categories', $context ); } /* * Get product categories this coupon cannot not apply to. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return array / public function get_excluded_product_categories( $context = 'view' ) { return $this->get_prop( 'excluded_product_categories', $context ); } /* * If this coupon should exclude items on sale. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return bool / public function get_exclude_sale_items( $context = 'view' ) { return $this->get_prop( 'exclude_sale_items', $context ); } /* * Get minimum spend amount. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return float / public function get_minimum_amount( $context = 'view' ) { return $this->get_prop( 'minimum_amount', $context ); } /* * Get maximum spend amount. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return float / public function get_maximum_amount( $context = 'view' ) { return $this->get_prop( 'maximum_amount', $context ); } /* * Get emails to check customer usage restrictions. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return array / public function get_email_restrictions( $context = 'view' ) { return $this->get_prop( 'email_restrictions', $context ); } /* * Get records of all users who have used the current coupon. * * @since 3.0.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return array / public function get_used_by( $context = 'view' ) { return $this->get_prop( 'used_by', $context ); } /* * If the filter is added through the woocommerce_get_shop_coupon_data filter, it's virtual and not in the DB. * * @since 3.2.0 * @param string $context What the value is for. Valid values are 'view' and 'edit'. * @return boolean / public function get_virtual( $context = 'view' ) { return (bool) $this->get_prop( 'virtual', $context ); } /* * Get discount amount for a cart item. * * @param float $discounting_amount Amount the coupon is being applied to. * @param array\|null $cart_item Cart item being discounted if applicable. * @param boolean $single True if discounting a single qty item, false if its the line. * @return float Amount this coupon has discounted. / public function get_discount_amount( $discounting_amount, $cart_item = null, $single = false ) { $discount = 0; $cart_item_qty = is_null( $cart_item ) ? 1 : $cart_item['quantity']; if ( $this->is_type( array( 'percent' ) ) ) { $discount = (float) $this->get_amount() ( $discounting_amount / 100 ); } elseif ( $this->is_type( 'fixed_cart' ) && ! is_null( $cart_item ) && WC()->cart->subtotal_ex_tax ) { /** * This is the most complex discount - we need to divide the discount between rows based on their price in. * proportion to the subtotal. This is so rows with different tax rates get a fair discount, and so rows. * with no price (free) don't get discounted. * * Get item discount by dividing item cost by subtotal to get a %. * * Uses price inc tax if prices include tax to work around https://github.com/woocommerce/woocommerce/issues/7669 and https://github.com/woocommerce/woocommerce/issues/8074. / if ( wc_prices_include_tax() ) { $discount_percent = ( wc_get_price_including_tax( $cart_item['data'] ) $cart_item_qty ) / WC()->cart->subtotal; } else { $discount_percent = ( wc_get_price_excluding_tax( $cart_item['data'] ) * $cart_item_qty ) / WC()->cart->subtotal_ex_tax; } $discount = ( (float) $this->get_amount() * $discount_percent ) / $cart_item_qty; } elseif ( $this->is_type( 'fixed_product' ) ) { $discount = min( $this->get_amount(), $discounting_amount ); $discount = $single ? $discount : $discount * $cart_item_qty; } return apply_filters( 'woocommerce_coupon_get_discount_amount', NumberUtil::round( min( $discount, $discounting_amount ), wc_get_rounding_precision() ), $discounting_amount, $cart_item, $single, $this ); } /* \|-------------------------------------------------------------------------- \| Setters \|-------------------------------------------------------------------------- \| \| Functions for setting coupon data. These should not update anything in the \| database itself and should only change what is stored in the class \| object. \| / /* * Set coupon code. * * @since 3.0.0 * @param string $code Coupon code. / public function set_code( $code ) { $this->set_prop( 'code', wc_format_coupon_code( $code ) ); } /* * Set coupon description. * * @since 3.0.0 * @param string $description Description. / public function set_description( $description ) { $this->set_prop( 'description', $description ); } /* * Set coupon status. * * @since 3.0.0 * @param string $status Status. / public function set_status( $status ) { $this->set_prop( 'status', $status ); } /* * Set discount type. * * @since 3.0.0 * @param string $discount_type Discount type. / public function set_discount_type( $discount_type ) { if ( 'percent_product' === $discount_type ) { $discount_type = 'percent'; // Backwards compatibility. } if ( ! in_array( $discount_type, array_keys( wc_get_coupon_types() ), true ) ) { $this->error( 'coupon_invalid_discount_type', __( 'Invalid discount type', 'woocommerce' ) ); } $this->set_prop( 'discount_type', $discount_type ); } /* * Set amount. * * @since 3.0.0 * @param float $amount Amount. / public function set_amount( $amount ) { $amount = wc_format_decimal( $amount ); if ( ! is_numeric( $amount ) ) { $amount = 0; } if ( $amount < 0 ) { $this->error( 'coupon_invalid_amount', __( 'Invalid discount amount', 'woocommerce' ) ); } if ( 'percent' === $this->get_discount_type() && $amount > 100 ) { $this->error( 'coupon_invalid_amount', __( 'Invalid discount amount', 'woocommerce' ) ); } $this->set_prop( 'amount', $amount ); } /* * Set expiration date. * * @since 3.0.0 * @param string\|integer\|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date. / public function set_date_expires( $date ) { $this->set_date_prop( 'date_expires', $date ); } /* * Set date_created * * @since 3.0.0 * @param string\|integer\|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date. / public function set_date_created( $date ) { $this->set_date_prop( 'date_created', $date ); } /* * Set date_modified * * @since 3.0.0 * @param string\|integer\|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date. / public function set_date_modified( $date ) { $this->set_date_prop( 'date_modified', $date ); } /* * Set how many times this coupon has been used. * * @since 3.0.0 * @param int $usage_count Usage count. / public function set_usage_count( $usage_count ) { $this->set_prop( 'usage_count', absint( $usage_count ) ); } /* * Set if this coupon can only be used once. * * @since 3.0.0 * @param bool $is_individual_use If is for individual use. / public function set_individual_use( $is_individual_use ) { $this->set_prop( 'individual_use', (bool) $is_individual_use ); } /* * Set the product IDs this coupon can be used with. * * @since 3.0.0 * @param array $product_ids Products IDs. / public function set_product_ids( $product_ids ) { $this->set_prop( 'product_ids', array_filter( wp_parse_id_list( (array) $product_ids ) ) ); } /* * Set the product IDs this coupon cannot be used with. * * @since 3.0.0 * @param array $excluded_product_ids Exclude product IDs. / public function set_excluded_product_ids( $excluded_product_ids ) { $this->set_prop( 'excluded_product_ids', array_filter( wp_parse_id_list( (array) $excluded_product_ids ) ) ); } /* * Set the amount of times this coupon can be used. * * @since 3.0.0 * @param int $usage_limit Usage limit. / public function set_usage_limit( $usage_limit ) { $this->set_prop( 'usage_limit', absint( $usage_limit ) ); } /* * Set the amount of times this coupon can be used per user. * * @since 3.0.0 * @param int $usage_limit Usage limit. / public function set_usage_limit_per_user( $usage_limit ) { $this->set_prop( 'usage_limit_per_user', absint( $usage_limit ) ); } /* * Set usage limit to x number of items. * * @since 3.0.0 * @param int\|null $limit_usage_to_x_items Limit usage to X items. / public function set_limit_usage_to_x_items( $limit_usage_to_x_items ) { $this->set_prop( 'limit_usage_to_x_items', is_null( $limit_usage_to_x_items ) ? null : absint( $limit_usage_to_x_items ) ); } /* * Set if this coupon enables free shipping or not. * * @since 3.0.0 * @param bool $free_shipping If grant free shipping. / public function set_free_shipping( $free_shipping ) { $this->set_prop( 'free_shipping', (bool) $free_shipping ); } /* * Set the product category IDs this coupon can be used with. * * @since 3.0.0 * @param array $product_categories List of product categories. / public function set_product_categories( $product_categories ) { $this->set_prop( 'product_categories', array_filter( wp_parse_id_list( (array) $product_categories ) ) ); } /* * Set the product category IDs this coupon cannot be used with. * * @since 3.0.0 * @param array $excluded_product_categories List of excluded product categories. / public function set_excluded_product_categories( $excluded_product_categories ) { $this->set_prop( 'excluded_product_categories', array_filter( wp_parse_id_list( (array) $excluded_product_categories ) ) ); } /* * Set if this coupon should excluded sale items or not. * * @since 3.0.0 * @param bool $exclude_sale_items If should exclude sale items. / public function set_exclude_sale_items( $exclude_sale_items ) { $this->set_prop( 'exclude_sale_items', (bool) $exclude_sale_items ); } /* * Set the minimum spend amount. * * @since 3.0.0 * @param float $amount Minimum amount. / public function set_minimum_amount( $amount ) { $this->set_prop( 'minimum_amount', wc_format_decimal( $amount ) ); } /* * Set the maximum spend amount. * * @since 3.0.0 * @param float $amount Maximum amount. / public function set_maximum_amount( $amount ) { $this->set_prop( 'maximum_amount', wc_format_decimal( $amount ) ); } /* * Set email restrictions. * * @since 3.0.0 * @param array $emails List of emails. / public function set_email_restrictions( $emails = array() ) { $emails = array_filter( array_map( 'sanitize_email', array_map( 'strtolower', (array) $emails ) ) ); foreach ( $emails as $email ) { if ( ! is_email( $email ) ) { $this->error( 'coupon_invalid_email_address', __( 'Invalid email address restriction', 'woocommerce' ) ); } } $this->set_prop( 'email_restrictions', $emails ); } /* * Set which users have used this coupon. * * @since 3.0.0 * @param array $used_by List of user IDs. / public function set_used_by( $used_by ) { $this->set_prop( 'used_by', array_filter( $used_by ) ); } /* * Set coupon virtual state. * * @param boolean $virtual Whether it is virtual or not. * @since 3.2.0 / public function set_virtual( $virtual ) { $this->set_prop( 'virtual', (bool) $virtual ); } / \|-------------------------------------------------------------------------- \| Other Actions \|-------------------------------------------------------------------------- / /* * Developers can programmatically return coupons. This function will read those values into our WC_Coupon class. * * @since 3.0.0 * @param string $code Coupon code. * @param array $coupon Array of coupon properties. / public function read_manual_coupon( $code, $coupon ) { foreach ( $coupon as $key => $value ) { switch ( $key ) { case 'excluded_product_ids': case 'exclude_product_ids': if ( ! is_array( $coupon[ $key ] ) ) { wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' ); $coupon['excluded_product_ids'] = wc_string_to_array( $value ); } break; case 'exclude_product_categories': case 'excluded_product_categories': if ( ! is_array( $coupon[ $key ] ) ) { wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' ); $coupon['excluded_product_categories'] = wc_string_to_array( $value ); } break; case 'product_ids': if ( ! is_array( $coupon[ $key ] ) ) { wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' ); $coupon[ $key ] = wc_string_to_array( $value ); } break; case 'individual_use': case 'free_shipping': case 'exclude_sale_items': if ( ! is_bool( $coupon[ $key ] ) ) { wc_doing_it_wrong( $key, $key . ' should be true or false instead of yes or no.', '3.0' ); $coupon[ $key ] = wc_string_to_bool( $value ); } break; case 'expiry_date': $coupon['date_expires'] = $value; break; } } $this->set_props( $coupon ); $this->set_code( $code ); $this->set_id( 0 ); $this->set_virtual( true ); } /* * Increase usage count for current coupon. * * @param string $used_by Either user ID or billing email. * @param WC_Order $order If provided, will clear the coupons held by this order. / public function increase_usage_count( $used_by = '', $order = null ) { if ( $this->get_id() && $this->data_store ) { $new_count = $this->data_store->increase_usage_count( $this, $used_by, $order ); // Bypass set_prop and remove pending changes since the data store saves the count already. $this->data['usage_count'] = $new_count; if ( isset( $this->changes['usage_count'] ) ) { unset( $this->changes['usage_count'] ); } } } /* * Decrease usage count for current coupon. * * @param string $used_by Either user ID or billing email. / public function decrease_usage_count( $used_by = '' ) { if ( $this->get_id() && $this->get_usage_count() > 0 && $this->data_store ) { $new_count = $this->data_store->decrease_usage_count( $this, $used_by ); // Bypass set_prop and remove pending changes since the data store saves the count already. $this->data['usage_count'] = $new_count; if ( isset( $this->changes['usage_count'] ) ) { unset( $this->changes['usage_count'] ); } } } / \|-------------------------------------------------------------------------- \| Validation & Error Handling \|-------------------------------------------------------------------------- / /* * Returns the error_message string. * @return string / public function get_error_message() { return $this->error_message; } /* * Sets the error_message string. * * @param string $message Message string. * * @return void / public function set_error_message( string $message ) { $this->error_message = $message; } /* * Check if a coupon is valid for the cart. * * @deprecated 3.2.0 In favor of WC_Discounts->is_coupon_valid. * @return bool / public function is_valid() { $discounts = new WC_Discounts( WC()->cart ); $valid = $discounts->is_coupon_valid( $this ); if ( is_wp_error( $valid ) ) { $this->error_message = $valid->get_error_message(); return false; } return $valid; } /* * Check if a coupon is valid. * * @return bool / public function is_valid_for_cart() { return apply_filters( 'woocommerce_coupon_is_valid_for_cart', $this->is_type( wc_get_cart_coupon_types() ), $this ); } /* * Check if a coupon is valid for a product. * * @param WC_Product $product Product instance. * @param array $values Values. * @return bool / public function is_valid_for_product( $product, $values = array() ) { if ( ! $this->is_type( wc_get_product_coupon_types() ) \|\| ! is_a( $product, WC_Product::class ) ) { return apply_filters( 'woocommerce_coupon_is_valid_for_product', false, $product, $this, $values ); } $valid = false; $product_cats = wc_get_product_cat_ids( $product->is_type( ProductType::VARIATION ) ? $product->get_parent_id() : $product->get_id() ); $product_ids = array( $product->get_id(), $product->get_parent_id() ); // Specific products get the discount. if ( count( $this->get_product_ids() ) && count( array_intersect( $product_ids, $this->get_product_ids() ) ) ) { $valid = true; } // Category discounts. if ( count( $this->get_product_categories() ) && count( array_intersect( $product_cats, $this->get_product_categories() ) ) ) { $valid = true; } // No product ids - all items discounted. if ( ! count( $this->get_product_ids() ) && ! count( $this->get_product_categories() ) ) { $valid = true; } // Specific product IDs excluded from the discount. if ( count( $this->get_excluded_product_ids() ) && count( array_intersect( $product_ids, $this->get_excluded_product_ids() ) ) ) { $valid = false; } // Specific categories excluded from the discount. if ( count( $this->get_excluded_product_categories() ) && count( array_intersect( $product_cats, $this->get_excluded_product_categories() ) ) ) { $valid = false; } // Sale Items excluded from discount. if ( $this->get_exclude_sale_items() && $product->is_on_sale() ) { $valid = false; } return apply_filters( 'woocommerce_coupon_is_valid_for_product', $valid, $product, $this, $values ); } /* * Converts one of the WC_Coupon message/error codes to a message string and. * displays the message/error. * * @param int $msg_code Message/error code. * @param string $notice_type Notice type. / public function add_coupon_message( $msg_code, $notice_type = 'success' ) { if ( $msg_code < 200 ) { $msg = $this->get_coupon_error( $msg_code ); $notice_type = 'error'; } else { $msg = $this->get_coupon_message( $msg_code ); } if ( empty( $msg ) ) { return; } // Since coupon validation is done multiple times (e.g. to ensure a valid cart), we need to check for dupes. if ( wc_has_notice( $msg, $notice_type ) ) { return; } wc_add_notice( $msg, $notice_type ); } /* * Map one of the WC_Coupon message codes to a message string. * * @param integer $msg_code Message code. * @return string Message/error string. / public function get_coupon_message( $msg_code ) { switch ( $msg_code ) { case self::WC_COUPON_SUCCESS: $msg = __( 'Coupon code applied successfully.', 'woocommerce' ); break; case self::WC_COUPON_REMOVED: $msg = __( 'Coupon code removed successfully.', 'woocommerce' ); break; default: $msg = ''; break; } return apply_filters( 'woocommerce_coupon_message', $msg, $msg_code, $this ); } /* * Map one of the WC_Coupon error codes to a message string. * * @param int $err_code Message/error code. * @return string Message/error string / public function get_coupon_error( $err_code ) { switch ( $err_code ) { case self::E_WC_COUPON_INVALID_FILTERED: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Coupon "%s" is not valid.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_NOT_EXIST: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Coupon "%s" does not exist!', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_INVALID_REMOVED: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Sorry, it seems the coupon "%s" is invalid - it has now been removed from your order.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_NOT_YOURS_REMOVED: // We check for supplied billing email. On shortcode, this will be present for checkout requests. $billing_email = \Automattic\WooCommerce\Utilities\ArrayUtil::get_value_or_default( $_POST, 'billing_email' ); // phpcs:ignore WordPress.Security.NonceVerification.Missing if ( ! is_null( $billing_email ) ) { $err = sprintf( / translators: %s: coupon code / esc_html__( 'Please enter a valid email to use coupon code "%s".', 'woocommerce' ), esc_html( $this->get_code() ) ); } else { $err = sprintf( / translators: %s: coupon code / esc_html__( 'Please enter a valid email at checkout to use coupon code "%s".', 'woocommerce' ), esc_html( $this->get_code() ) ); } break; case self::E_WC_COUPON_ALREADY_APPLIED: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Coupon code "%s" already applied!', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Sorry, coupon "%s" has already been applied and cannot be used in conjunction with other coupons.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_USAGE_LIMIT_REACHED: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Usage limit for coupon "%s" has been reached.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_EXPIRED: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Coupon "%s" has expired.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET: $allowed_tags = array( 'span' => array( 'class' => true, ), 'bdi' => true, 'small' => true, ); $err = sprintf( / translators: %1$s: coupon code, %2$s: coupon minimum amount / esc_html__( 'The minimum spend for coupon "%1$s" is %2$s.', 'woocommerce' ), esc_html( $this->get_code() ), wp_kses( wc_price( $this->get_minimum_amount() ), $allowed_tags ) ); break; case self::E_WC_COUPON_MAX_SPEND_LIMIT_MET: $allowed_tags = array( 'span' => array( 'class' => true, ), 'bdi' => true, 'small' => true, ); $err = sprintf( / translators: %1$s: coupon code, %2$s: coupon maximum amount / esc_html__( 'The maximum spend for coupon "%1$s" is %2$s.', 'woocommerce' ), esc_html( $this->get_code() ), wp_kses( wc_price( $this->get_maximum_amount() ), $allowed_tags ) ); break; case self::E_WC_COUPON_NOT_APPLICABLE: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Sorry, coupon "%s" is not applicable to your cart contents.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK: if ( is_user_logged_in() && wc_get_page_id( 'myaccount' ) > 0 && ! WC()->is_store_api_request() ) { $err = sprintf( / translators: %1$s: coupon code, %2$s: myaccount page link. / wp_kses_data( __( 'Usage limit for coupon "%1$s" has been reached. If you were using this coupon just now but your order was not complete, you can retry or cancel the order by going to the <a href="%2$s">my account page</a>.', 'woocommerce' ) ), esc_html( $this->get_code() ), esc_attr( wc_get_endpoint_url( 'orders', '', wc_get_page_permalink( 'myaccount' ) ) ) ); } else { $err = $this->get_coupon_error( self::E_WC_COUPON_USAGE_LIMIT_REACHED ); } break; case self::E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK_GUEST: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Usage limit for coupon "%s" has been reached. Please try again after some time, or contact us for help.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; case self::E_WC_COUPON_EXCLUDED_PRODUCTS: // Store excluded products that are in cart in $products. $products = array(); if ( ! WC()->cart->is_empty() ) { foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) { if ( in_array( intval( $cart_item['product_id'] ), $this->get_excluded_product_ids(), true ) \|\| in_array( intval( $cart_item['variation_id'] ), $this->get_excluded_product_ids(), true ) \|\| in_array( intval( $cart_item['data']->get_parent_id() ), $this->get_excluded_product_ids(), true ) ) { $products[] = $cart_item['data']->get_name(); } } } $err = sprintf( / translators: %1$s: coupon code, %2$s: products list / esc_html__( 'Sorry, coupon "%1$s" is not applicable to the products: %2$s.', 'woocommerce' ), esc_html( $this->get_code() ), esc_html( implode( ', ', $products ) ) ); break; case self::E_WC_COUPON_EXCLUDED_CATEGORIES: // Store excluded categories that are in cart in $categories. $categories = array(); if ( ! WC()->cart->is_empty() ) { foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) { $product_cats = wc_get_product_cat_ids( $cart_item['product_id'] ); $intersect = array_intersect( $product_cats, $this->get_excluded_product_categories() ); if ( count( $intersect ) > 0 ) { foreach ( $intersect as $cat_id ) { $cat = get_term( $cat_id, 'product_cat' ); $categories[] = $cat->name; } } } } $err = sprintf( / translators: "%1$s": coupon code, %2$s: categories list / esc_html__( 'Sorry, coupon "%1$s" is not applicable to the categories: %2$s.', 'woocommerce' ), esc_html( $this->get_code() ), esc_html( implode( ', ', array_unique( $categories ) ) ) ); break; case self::E_WC_COUPON_NOT_VALID_SALE_ITEMS: $err = sprintf( / translators: %s: coupon code / esc_html__( 'Sorry, coupon "%s" is not valid for sale items.', 'woocommerce' ), esc_html( $this->get_code() ) ); break; default: $err = ''; break; } return apply_filters( 'woocommerce_coupon_error', $err, $err_code, $this ); } /* * Map one of the WC_Coupon error codes to an error string. * No coupon instance will be available where a coupon does not exist, * so this static method exists. * * @param int $err_code Error code. * @return string Error string. / public static function get_generic_coupon_error( $err_code ) { switch ( $err_code ) { case self::E_WC_COUPON_NOT_EXIST: $err = __( 'Coupon does not exist!', 'woocommerce' ); break; case self::E_WC_COUPON_PLEASE_ENTER: $err = __( 'Please enter a coupon code.', 'woocommerce' ); break; default: $err = ''; break; } // When using this static method, there is no $this to pass to filter. return apply_filters( 'woocommerce_coupon_error', $err, $err_code, null ); } /* * Get the coupon information that is needed to reapply the coupon to an existing order. * This information is intended to be stored as a meta value in the order line item corresponding to the coupon * and should NOT be modified or extended (additional/custom data should go in a separate metadata entry). * * The information returned is a JSON-encoded string of an array with the following coupon information: * * 0: Id * 1: Code * 2: Type, null is equivalent to 'fixed_cart' * 3: Nominal amount (either a fixed amount or a percent, depending on the coupon type) * 4: The coupon grants free shipping? (present only if true) * * @return string A JSON string with information that allows the coupon to be reapplied to an existing order. / public function get_short_info(): string { $type = $this->get_discount_type(); $info = array( $this->get_id(), $this->get_code(), 'fixed_cart' === $type ? null : $type, (float) $this->get_prop( 'amount' ), ); if ( $this->get_free_shipping() ) { $info[] = true; } return wp_json_encode( $info ); } /* * Sets the coupon parameters from a reapply information set generated with 'get_short_info'. * * @param string $info JSON string with reapply information as returned by 'get_short_info'. / public function set_short_info( string $info ) { $info = json_decode( $info, true ); $this->set_id( $info[0] ?? 0 ); $this->set_code( $info[1] ?? '' ); $this->set_discount_type( $info[2] ?? 'fixed_cart' ); $this->set_amount( $info[3] ?? 0 ); $this->set_free_shipping( $info[4] ?? false ); } /* * Returns alternate error messages based on context (eg. Cart and Checkout). * * @param int $err_code Message/error code. * * @return array Context based alternate error messages. / public function get_context_based_coupon_errors( $err_code = null ) { switch ( $err_code ) { case self::E_WC_COUPON_NOT_YOURS_REMOVED: return array( 'cart' => sprintf( / translators: %s: coupon code / esc_html__( 'Please enter a valid email at checkout to use coupon code "%s".', 'woocommerce' ), esc_html( $this->get_code() ) ), 'checkout' => sprintf( / translators: %s: coupon code */ esc_html__( 'Please enter a valid email to use coupon code "%s".', 'woocommerce' ), esc_html( $this->get_code() ) ), ); default: return array(); } } } Back

Edit File : class-wc-coupon.php | Size : 39.64 KB

<?php
/**
 * WooCommerce coupons.
 *
 * The WooCommerce coupons class gets coupon data from storage and checks coupon validity.
 *
 * @package WooCommerce\Classes
 * @version 3.0.0
 */

use Automattic\WooCommerce\Enums\ProductType;
use Automattic\WooCommerce\Utilities\NumberUtil;
use Automattic\WooCommerce\Utilities\StringUtil;

defined( 'ABSPATH' ) || exit;

require_once __DIR__ . '/legacy/class-wc-legacy-coupon.php';

/**
 * Coupon class.
 */
class WC_Coupon extends WC_Legacy_Coupon {

/**
	 * Data array, with defaults.
	 *
	 * @since 3.0.0
	 * @var array
	 */
	protected $data = array(
		'code'                        => '',
		'amount'                      => 0,
		'status'                      => null,
		'date_created'                => null,
		'date_modified'               => null,
		'date_expires'                => null,
		'discount_type'               => 'fixed_cart',
		'description'                 => '',
		'usage_count'                 => 0,
		'individual_use'              => false,
		'product_ids'                 => array(),
		'excluded_product_ids'        => array(),
		'usage_limit'                 => 0,
		'usage_limit_per_user'        => 0,
		'limit_usage_to_x_items'      => null,
		'free_shipping'               => false,
		'product_categories'          => array(),
		'excluded_product_categories' => array(),
		'exclude_sale_items'          => false,
		'minimum_amount'              => '',
		'maximum_amount'              => '',
		'email_restrictions'          => array(),
		'used_by'                     => array(),
		'virtual'                     => false,
	);

// Coupon message codes.
	const E_WC_COUPON_INVALID_FILTERED               = 100;
	const E_WC_COUPON_INVALID_REMOVED                = 101;
	const E_WC_COUPON_NOT_YOURS_REMOVED              = 102;
	const E_WC_COUPON_ALREADY_APPLIED                = 103;
	const E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY = 104;
	const E_WC_COUPON_NOT_EXIST                      = 105;
	const E_WC_COUPON_USAGE_LIMIT_REACHED            = 106;
	const E_WC_COUPON_EXPIRED                        = 107;
	const E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET        = 108;
	const E_WC_COUPON_NOT_APPLICABLE                 = 109;
	const E_WC_COUPON_NOT_VALID_SALE_ITEMS           = 110;
	const E_WC_COUPON_PLEASE_ENTER                   = 111;
	const E_WC_COUPON_MAX_SPEND_LIMIT_MET            = 112;
	const E_WC_COUPON_EXCLUDED_PRODUCTS              = 113;
	const E_WC_COUPON_EXCLUDED_CATEGORIES            = 114;
	const E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK       = 115;
	const E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK_GUEST = 116;
	const WC_COUPON_SUCCESS                          = 200;
	const WC_COUPON_REMOVED                          = 201;

/**
	 * Cache group.
	 *
	 * @var string
	 */
	protected $cache_group = 'coupons';

/**
	 * Error message.
	 *
	 * This property should not be considered public API, and should not be accessed directly.
	 * It is being added to suppress PHP > 8.0 warnings against dynamic property creation, and all access
	 * should be through the getter and setter methods, namely `get_error_message()` and `set_error_message()`.
	 * In the future, the access modifier may be changed back to protected.
	 *
	 * @var string
	 */
	public $error_message;

/**
	 * Sorting.
	 *
	 * Used by `get_coupons_from_cart` to sort coupons.
	 *
	 * @var int
	 */
	public $sort = 0;

/**
	 * Coupon constructor. Loads coupon data.
	 *
	 * @param mixed $data Coupon data, object, ID or code.
	 */
	public function __construct( $data = '' ) {
		parent::__construct( $data );

// If we already have a coupon object, read it again.
		if ( $data instanceof WC_Coupon ) {
			$this->set_id( absint( $data->get_id() ) );
			$this->read_object_from_database();
			return;
		}

// This filter allows custom coupon objects to be created on the fly.
		$coupon = apply_filters( 'woocommerce_get_shop_coupon_data', false, $data, $this );

if ( $coupon ) {
			$this->read_manual_coupon( $data, $coupon );
			return;
		}

// Try to load coupon using ID or code.
		if ( is_int( $data ) && 'shop_coupon' === get_post_type( $data ) ) {
			$this->set_id( $data );
		} elseif ( is_string( $data ) && ! StringUtil::is_null_or_whitespace( $data ) ) {
			$id = wc_get_coupon_id_by_code( $data );
			// Need to support numeric strings for backwards compatibility.
			if ( ! $id && 'shop_coupon' === get_post_type( $data ) ) {
				$this->set_id( $data );
			} else {
				$this->set_id( $id );
				$this->set_code( $data );
			}
		} else {
			$this->set_object_read( true );
		}

$this->read_object_from_database();
	}

/**
	 * If the object has an ID, read using the data store.
	 *
	 * @since 3.4.1
	 */
	protected function read_object_from_database() {
		$this->data_store = WC_Data_Store::load( 'coupon' );

if ( $this->get_id() > 0 ) {
			$this->data_store->read( $this );
		}
	}
	/**
	 * Checks the coupon type.
	 *
	 * @param  string|array $type Array or string of types.
	 * @return bool
	 */
	public function is_type( $type ) {
		return ( $this->get_discount_type() === $type || ( is_array( $type ) && in_array( $this->get_discount_type(), $type, true ) ) );
	}

/**
	 * Prefix for action and filter hooks on data.
	 *
	 * @since  3.0.0
	 * @return string
	 */
	protected function get_hook_prefix() {
		return 'woocommerce_coupon_get_';
	}

/*
	|--------------------------------------------------------------------------
	| Getters
	|--------------------------------------------------------------------------
	|
	| Methods for getting data from the coupon object.
	|
	*/

/**
	 * Get coupon code.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return string
	 */
	public function get_code( $context = 'view' ) {
		return $this->get_prop( 'code', $context );
	}

/**
	 * Get coupon description.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return string
	 */
	public function get_description( $context = 'view' ) {
		return $this->get_prop( 'description', $context );
	}

/**
	 * Get coupon status.
	 *
	 * @since  6.2.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return string
	 */
	public function get_status( $context = 'view' ) {
		return $this->get_prop( 'status', $context );
	}

/**
	 * Get discount type.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return string
	 */
	public function get_discount_type( $context = 'view' ) {
		return $this->get_prop( 'discount_type', $context );
	}

/**
	 * Get coupon amount.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return string
	 */
	public function get_amount( $context = 'view' ) {
		return wc_format_decimal( $this->get_prop( 'amount', $context ) );
	}

/**
	 * Get coupon expiration date.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return WC_DateTime|NULL object if the date is set or null if there is no date.
	 */
	public function get_date_expires( $context = 'view' ) {
		return $this->get_prop( 'date_expires', $context );
	}

/**
	 * Get date_created
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return WC_DateTime|NULL object if the date is set or null if there is no date.
	 */
	public function get_date_created( $context = 'view' ) {
		return $this->get_prop( 'date_created', $context );
	}

/**
	 * Get date_modified
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return WC_DateTime|NULL object if the date is set or null if there is no date.
	 */
	public function get_date_modified( $context = 'view' ) {
		return $this->get_prop( 'date_modified', $context );
	}

/**
	 * Get coupon usage count.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return integer
	 */
	public function get_usage_count( $context = 'view' ) {
		return $this->get_prop( 'usage_count', $context );
	}

/**
	 * Get the "individual use" checkbox status.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return bool
	 */
	public function get_individual_use( $context = 'view' ) {
		return $this->get_prop( 'individual_use', $context );
	}

/**
	 * Get product IDs this coupon can apply to.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return array
	 */
	public function get_product_ids( $context = 'view' ) {
		return $this->get_prop( 'product_ids', $context );
	}

/**
	 * Get product IDs that this coupon should not apply to.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return array
	 */
	public function get_excluded_product_ids( $context = 'view' ) {
		return $this->get_prop( 'excluded_product_ids', $context );
	}

/**
	 * Get coupon usage limit.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return integer
	 */
	public function get_usage_limit( $context = 'view' ) {
		return $this->get_prop( 'usage_limit', $context );
	}

/**
	 * Get coupon usage limit per customer (for a single customer)
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return integer
	 */
	public function get_usage_limit_per_user( $context = 'view' ) {
		return $this->get_prop( 'usage_limit_per_user', $context );
	}

/**
	 * Usage limited to certain amount of items
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return integer|null
	 */
	public function get_limit_usage_to_x_items( $context = 'view' ) {
		return $this->get_prop( 'limit_usage_to_x_items', $context );
	}

/**
	 * If this coupon grants free shipping or not.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return bool
	 */
	public function get_free_shipping( $context = 'view' ) {
		return $this->get_prop( 'free_shipping', $context );
	}

/**
	 * Get product categories this coupon can apply to.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return array
	 */
	public function get_product_categories( $context = 'view' ) {
		return $this->get_prop( 'product_categories', $context );
	}

/**
	 * Get product categories this coupon cannot not apply to.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return array
	 */
	public function get_excluded_product_categories( $context = 'view' ) {
		return $this->get_prop( 'excluded_product_categories', $context );
	}

/**
	 * If this coupon should exclude items on sale.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return bool
	 */
	public function get_exclude_sale_items( $context = 'view' ) {
		return $this->get_prop( 'exclude_sale_items', $context );
	}

/**
	 * Get minimum spend amount.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return float
	 */
	public function get_minimum_amount( $context = 'view' ) {
		return $this->get_prop( 'minimum_amount', $context );
	}
	/**
	 * Get maximum spend amount.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return float
	 */
	public function get_maximum_amount( $context = 'view' ) {
		return $this->get_prop( 'maximum_amount', $context );
	}

/**
	 * Get emails to check customer usage restrictions.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return array
	 */
	public function get_email_restrictions( $context = 'view' ) {
		return $this->get_prop( 'email_restrictions', $context );
	}

/**
	 * Get records of all users who have used the current coupon.
	 *
	 * @since  3.0.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return array
	 */
	public function get_used_by( $context = 'view' ) {
		return $this->get_prop( 'used_by', $context );
	}

/**
	 * If the filter is added through the woocommerce_get_shop_coupon_data filter, it's virtual and not in the DB.
	 *
	 * @since 3.2.0
	 * @param  string $context What the value is for. Valid values are 'view' and 'edit'.
	 * @return boolean
	 */
	public function get_virtual( $context = 'view' ) {
		return (bool) $this->get_prop( 'virtual', $context );
	}

/**
	 * Get discount amount for a cart item.
	 *
	 * @param  float      $discounting_amount Amount the coupon is being applied to.
	 * @param  array|null $cart_item          Cart item being discounted if applicable.
	 * @param  boolean    $single             True if discounting a single qty item, false if its the line.
	 * @return float Amount this coupon has discounted.
	 */
	public function get_discount_amount( $discounting_amount, $cart_item = null, $single = false ) {
		$discount      = 0;
		$cart_item_qty = is_null( $cart_item ) ? 1 : $cart_item['quantity'];

if ( $this->is_type( array( 'percent' ) ) ) {
			$discount = (float) $this->get_amount() * ( $discounting_amount / 100 );
		} elseif ( $this->is_type( 'fixed_cart' ) && ! is_null( $cart_item ) && WC()->cart->subtotal_ex_tax ) {
			/**
			 * This is the most complex discount - we need to divide the discount between rows based on their price in.
			 * proportion to the subtotal. This is so rows with different tax rates get a fair discount, and so rows.
			 * with no price (free) don't get discounted.
			 *
			 * Get item discount by dividing item cost by subtotal to get a %.
			 *
			 * Uses price inc tax if prices include tax to work around https://github.com/woocommerce/woocommerce/issues/7669 and https://github.com/woocommerce/woocommerce/issues/8074.
			 */
			if ( wc_prices_include_tax() ) {
				$discount_percent = ( wc_get_price_including_tax( $cart_item['data'] ) * $cart_item_qty ) / WC()->cart->subtotal;
			} else {
				$discount_percent = ( wc_get_price_excluding_tax( $cart_item['data'] ) * $cart_item_qty ) / WC()->cart->subtotal_ex_tax;
			}
			$discount = ( (float) $this->get_amount() * $discount_percent ) / $cart_item_qty;

} elseif ( $this->is_type( 'fixed_product' ) ) {
			$discount = min( $this->get_amount(), $discounting_amount );
			$discount = $single ? $discount : $discount * $cart_item_qty;
		}

return apply_filters(
			'woocommerce_coupon_get_discount_amount',
			NumberUtil::round( min( $discount, $discounting_amount ), wc_get_rounding_precision() ),
			$discounting_amount,
			$cart_item,
			$single,
			$this
		);
	}

/*
	|--------------------------------------------------------------------------
	| Setters
	|--------------------------------------------------------------------------
	|
	| Functions for setting coupon data. These should not update anything in the
	| database itself and should only change what is stored in the class
	| object.
	|
	*/

/**
	 * Set coupon code.
	 *
	 * @since 3.0.0
	 * @param string $code Coupon code.
	 */
	public function set_code( $code ) {
		$this->set_prop( 'code', wc_format_coupon_code( $code ) );
	}

/**
	 * Set coupon description.
	 *
	 * @since 3.0.0
	 * @param string $description Description.
	 */
	public function set_description( $description ) {
		$this->set_prop( 'description', $description );
	}

/**
	 * Set coupon status.
	 *
	 * @since 3.0.0
	 * @param string $status Status.
	 */
	public function set_status( $status ) {
		$this->set_prop( 'status', $status );
	}

/**
	 * Set discount type.
	 *
	 * @since 3.0.0
	 * @param string $discount_type Discount type.
	 */
	public function set_discount_type( $discount_type ) {
		if ( 'percent_product' === $discount_type ) {
			$discount_type = 'percent'; // Backwards compatibility.
		}
		if ( ! in_array( $discount_type, array_keys( wc_get_coupon_types() ), true ) ) {
			$this->error( 'coupon_invalid_discount_type', __( 'Invalid discount type', 'woocommerce' ) );
		}
		$this->set_prop( 'discount_type', $discount_type );
	}

/**
	 * Set amount.
	 *
	 * @since 3.0.0
	 * @param float $amount Amount.
	 */
	public function set_amount( $amount ) {
		$amount = wc_format_decimal( $amount );

if ( ! is_numeric( $amount ) ) {
			$amount = 0;
		}

if ( $amount < 0 ) {
			$this->error( 'coupon_invalid_amount', __( 'Invalid discount amount', 'woocommerce' ) );
		}

if ( 'percent' === $this->get_discount_type() && $amount > 100 ) {
			$this->error( 'coupon_invalid_amount', __( 'Invalid discount amount', 'woocommerce' ) );
		}

$this->set_prop( 'amount', $amount );
	}

/**
	 * Set expiration date.
	 *
	 * @since  3.0.0
	 * @param string|integer|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date.
	 */
	public function set_date_expires( $date ) {
		$this->set_date_prop( 'date_expires', $date );
	}

/**
	 * Set date_created
	 *
	 * @since  3.0.0
	 * @param string|integer|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date.
	 */
	public function set_date_created( $date ) {
		$this->set_date_prop( 'date_created', $date );
	}

/**
	 * Set date_modified
	 *
	 * @since  3.0.0
	 * @param string|integer|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date.
	 */
	public function set_date_modified( $date ) {
		$this->set_date_prop( 'date_modified', $date );
	}

/**
	 * Set how many times this coupon has been used.
	 *
	 * @since 3.0.0
	 * @param int $usage_count Usage count.
	 */
	public function set_usage_count( $usage_count ) {
		$this->set_prop( 'usage_count', absint( $usage_count ) );
	}

/**
	 * Set if this coupon can only be used once.
	 *
	 * @since 3.0.0
	 * @param bool $is_individual_use If is for individual use.
	 */
	public function set_individual_use( $is_individual_use ) {
		$this->set_prop( 'individual_use', (bool) $is_individual_use );
	}

/**
	 * Set the product IDs this coupon can be used with.
	 *
	 * @since 3.0.0
	 * @param array $product_ids Products IDs.
	 */
	public function set_product_ids( $product_ids ) {
		$this->set_prop( 'product_ids', array_filter( wp_parse_id_list( (array) $product_ids ) ) );
	}

/**
	 * Set the product IDs this coupon cannot be used with.
	 *
	 * @since 3.0.0
	 * @param array $excluded_product_ids Exclude product IDs.
	 */
	public function set_excluded_product_ids( $excluded_product_ids ) {
		$this->set_prop( 'excluded_product_ids', array_filter( wp_parse_id_list( (array) $excluded_product_ids ) ) );
	}

/**
	 * Set the amount of times this coupon can be used.
	 *
	 * @since 3.0.0
	 * @param int $usage_limit Usage limit.
	 */
	public function set_usage_limit( $usage_limit ) {
		$this->set_prop( 'usage_limit', absint( $usage_limit ) );
	}

/**
	 * Set the amount of times this coupon can be used per user.
	 *
	 * @since 3.0.0
	 * @param int $usage_limit Usage limit.
	 */
	public function set_usage_limit_per_user( $usage_limit ) {
		$this->set_prop( 'usage_limit_per_user', absint( $usage_limit ) );
	}

/**
	 * Set usage limit to x number of items.
	 *
	 * @since 3.0.0
	 * @param int|null $limit_usage_to_x_items Limit usage to X items.
	 */
	public function set_limit_usage_to_x_items( $limit_usage_to_x_items ) {
		$this->set_prop( 'limit_usage_to_x_items', is_null( $limit_usage_to_x_items ) ? null : absint( $limit_usage_to_x_items ) );
	}

/**
	 * Set if this coupon enables free shipping or not.
	 *
	 * @since 3.0.0
	 * @param bool $free_shipping If grant free shipping.
	 */
	public function set_free_shipping( $free_shipping ) {
		$this->set_prop( 'free_shipping', (bool) $free_shipping );
	}

/**
	 * Set the product category IDs this coupon can be used with.
	 *
	 * @since 3.0.0
	 * @param array $product_categories List of product categories.
	 */
	public function set_product_categories( $product_categories ) {
		$this->set_prop( 'product_categories', array_filter( wp_parse_id_list( (array) $product_categories ) ) );
	}

/**
	 * Set the product category IDs this coupon cannot be used with.
	 *
	 * @since 3.0.0
	 * @param array $excluded_product_categories List of excluded product categories.
	 */
	public function set_excluded_product_categories( $excluded_product_categories ) {
		$this->set_prop( 'excluded_product_categories', array_filter( wp_parse_id_list( (array) $excluded_product_categories ) ) );
	}

/**
	 * Set if this coupon should excluded sale items or not.
	 *
	 * @since 3.0.0
	 * @param bool $exclude_sale_items If should exclude sale items.
	 */
	public function set_exclude_sale_items( $exclude_sale_items ) {
		$this->set_prop( 'exclude_sale_items', (bool) $exclude_sale_items );
	}

/**
	 * Set the minimum spend amount.
	 *
	 * @since 3.0.0
	 * @param float $amount Minimum amount.
	 */
	public function set_minimum_amount( $amount ) {
		$this->set_prop( 'minimum_amount', wc_format_decimal( $amount ) );
	}

/**
	 * Set the maximum spend amount.
	 *
	 * @since 3.0.0
	 * @param float $amount Maximum amount.
	 */
	public function set_maximum_amount( $amount ) {
		$this->set_prop( 'maximum_amount', wc_format_decimal( $amount ) );
	}

/**
	 * Set email restrictions.
	 *
	 * @since 3.0.0
	 * @param array $emails List of emails.
	 */
	public function set_email_restrictions( $emails = array() ) {
		$emails = array_filter( array_map( 'sanitize_email', array_map( 'strtolower', (array) $emails ) ) );
		foreach ( $emails as $email ) {
			if ( ! is_email( $email ) ) {
				$this->error( 'coupon_invalid_email_address', __( 'Invalid email address restriction', 'woocommerce' ) );
			}
		}
		$this->set_prop( 'email_restrictions', $emails );
	}

/**
	 * Set which users have used this coupon.
	 *
	 * @since 3.0.0
	 * @param array $used_by List of user IDs.
	 */
	public function set_used_by( $used_by ) {
		$this->set_prop( 'used_by', array_filter( $used_by ) );
	}

/**
	 * Set coupon virtual state.
	 *
	 * @param boolean $virtual Whether it is virtual or not.
	 * @since 3.2.0
	 */
	public function set_virtual( $virtual ) {
		$this->set_prop( 'virtual', (bool) $virtual );
	}

/*
	|--------------------------------------------------------------------------
	| Other Actions
	|--------------------------------------------------------------------------
	*/

/**
	 * Developers can programmatically return coupons. This function will read those values into our WC_Coupon class.
	 *
	 * @since 3.0.0
	 * @param string $code   Coupon code.
	 * @param array  $coupon Array of coupon properties.
	 */
	public function read_manual_coupon( $code, $coupon ) {
		foreach ( $coupon as $key => $value ) {
			switch ( $key ) {
				case 'excluded_product_ids':
				case 'exclude_product_ids':
					if ( ! is_array( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
						$coupon['excluded_product_ids'] = wc_string_to_array( $value );
					}
					break;
				case 'exclude_product_categories':
				case 'excluded_product_categories':
					if ( ! is_array( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
						$coupon['excluded_product_categories'] = wc_string_to_array( $value );
					}
					break;
				case 'product_ids':
					if ( ! is_array( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
						$coupon[ $key ] = wc_string_to_array( $value );
					}
					break;
				case 'individual_use':
				case 'free_shipping':
				case 'exclude_sale_items':
					if ( ! is_bool( $coupon[ $key ] ) ) {
						wc_doing_it_wrong( $key, $key . ' should be true or false instead of yes or no.', '3.0' );
						$coupon[ $key ] = wc_string_to_bool( $value );
					}
					break;
				case 'expiry_date':
					$coupon['date_expires'] = $value;
					break;
			}
		}
		$this->set_props( $coupon );
		$this->set_code( $code );
		$this->set_id( 0 );
		$this->set_virtual( true );
	}

/**
	 * Increase usage count for current coupon.
	 *
	 * @param string   $used_by  Either user ID or billing email.
	 * @param WC_Order $order  If provided, will clear the coupons held by this order.
	 */
	public function increase_usage_count( $used_by = '', $order = null ) {
		if ( $this->get_id() && $this->data_store ) {
			$new_count = $this->data_store->increase_usage_count( $this, $used_by, $order );

// Bypass set_prop and remove pending changes since the data store saves the count already.
			$this->data['usage_count'] = $new_count;
			if ( isset( $this->changes['usage_count'] ) ) {
				unset( $this->changes['usage_count'] );
			}
		}
	}

/**
	 * Decrease usage count for current coupon.
	 *
	 * @param string $used_by Either user ID or billing email.
	 */
	public function decrease_usage_count( $used_by = '' ) {
		if ( $this->get_id() && $this->get_usage_count() > 0 && $this->data_store ) {
			$new_count = $this->data_store->decrease_usage_count( $this, $used_by );

/*
	|--------------------------------------------------------------------------
	| Validation & Error Handling
	|--------------------------------------------------------------------------
	*/

/**
	 * Returns the error_message string.

* @return string
	 */
	public function get_error_message() {
		return $this->error_message;
	}

/**
	 * Sets the error_message string.
	 *
	 * @param string $message Message string.
	 *
	 * @return void
	 */
	public function set_error_message( string $message ) {
		$this->error_message = $message;
	}

/**
	 * Check if a coupon is valid for the cart.
	 *
	 * @deprecated 3.2.0 In favor of WC_Discounts->is_coupon_valid.
	 * @return bool
	 */
	public function is_valid() {
		$discounts = new WC_Discounts( WC()->cart );
		$valid     = $discounts->is_coupon_valid( $this );

if ( is_wp_error( $valid ) ) {
			$this->error_message = $valid->get_error_message();
			return false;
		}

return $valid;
	}

/**
	 * Check if a coupon is valid.
	 *
	 * @return bool
	 */
	public function is_valid_for_cart() {
		return apply_filters( 'woocommerce_coupon_is_valid_for_cart', $this->is_type( wc_get_cart_coupon_types() ), $this );
	}

/**
	 * Check if a coupon is valid for a product.
	 *
	 * @param WC_Product $product Product instance.
	 * @param array      $values  Values.
	 * @return bool
	 */
	public function is_valid_for_product( $product, $values = array() ) {
		if ( ! $this->is_type( wc_get_product_coupon_types() ) || ! is_a( $product, WC_Product::class ) ) {
			return apply_filters( 'woocommerce_coupon_is_valid_for_product', false, $product, $this, $values );
		}

$valid        = false;
		$product_cats = wc_get_product_cat_ids( $product->is_type( ProductType::VARIATION ) ? $product->get_parent_id() : $product->get_id() );
		$product_ids  = array( $product->get_id(), $product->get_parent_id() );

// Specific products get the discount.
		if ( count( $this->get_product_ids() ) && count( array_intersect( $product_ids, $this->get_product_ids() ) ) ) {
			$valid = true;
		}

// Category discounts.
		if ( count( $this->get_product_categories() ) && count( array_intersect( $product_cats, $this->get_product_categories() ) ) ) {
			$valid = true;
		}

// No product ids - all items discounted.
		if ( ! count( $this->get_product_ids() ) && ! count( $this->get_product_categories() ) ) {
			$valid = true;
		}

// Specific product IDs excluded from the discount.
		if ( count( $this->get_excluded_product_ids() ) && count( array_intersect( $product_ids, $this->get_excluded_product_ids() ) ) ) {
			$valid = false;
		}

// Specific categories excluded from the discount.
		if ( count( $this->get_excluded_product_categories() ) && count( array_intersect( $product_cats, $this->get_excluded_product_categories() ) ) ) {
			$valid = false;
		}

// Sale Items excluded from discount.
		if ( $this->get_exclude_sale_items() && $product->is_on_sale() ) {
			$valid = false;
		}

return apply_filters( 'woocommerce_coupon_is_valid_for_product', $valid, $product, $this, $values );
	}

/**
	 * Converts one of the WC_Coupon message/error codes to a message string and.
	 * displays the message/error.
	 *
	 * @param int    $msg_code Message/error code.
	 * @param string $notice_type Notice type.
	 */
	public function add_coupon_message( $msg_code, $notice_type = 'success' ) {
		if ( $msg_code < 200 ) {
			$msg         = $this->get_coupon_error( $msg_code );
			$notice_type = 'error';
		} else {
			$msg = $this->get_coupon_message( $msg_code );
		}

if ( empty( $msg ) ) {
			return;
		}

// Since coupon validation is done multiple times (e.g. to ensure a valid cart), we need to check for dupes.
		if ( wc_has_notice( $msg, $notice_type ) ) {
			return;
		}

wc_add_notice( $msg, $notice_type );
	}

/**
	 * Map one of the WC_Coupon message codes to a message string.
	 *
	 * @param integer $msg_code Message code.
	 * @return string Message/error string.
	 */
	public function get_coupon_message( $msg_code ) {
		switch ( $msg_code ) {
			case self::WC_COUPON_SUCCESS:
				$msg = __( 'Coupon code applied successfully.', 'woocommerce' );
				break;
			case self::WC_COUPON_REMOVED:
				$msg = __( 'Coupon code removed successfully.', 'woocommerce' );
				break;
			default:
				$msg = '';
				break;
		}
		return apply_filters( 'woocommerce_coupon_message', $msg, $msg_code, $this );
	}

/**
	 * Map one of the WC_Coupon error codes to a message string.
	 *
	 * @param int $err_code Message/error code.
	 * @return string Message/error string
	 */
	public function get_coupon_error( $err_code ) {
		switch ( $err_code ) {
			case self::E_WC_COUPON_INVALID_FILTERED:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Coupon "%s" is not valid.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_NOT_EXIST:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Coupon "%s" does not exist!', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_INVALID_REMOVED:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Sorry, it seems the coupon "%s" is invalid - it has now been removed from your order.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_NOT_YOURS_REMOVED:
				// We check for supplied billing email. On shortcode, this will be present for checkout requests.
				$billing_email = \Automattic\WooCommerce\Utilities\ArrayUtil::get_value_or_default( $_POST, 'billing_email' ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
				if ( ! is_null( $billing_email ) ) {
					$err = sprintf(
						/* translators: %s: coupon code */
						esc_html__( 'Please enter a valid email to use coupon code "%s".', 'woocommerce' ),
						esc_html( $this->get_code() )
					);
				} else {
					$err = sprintf(
						/* translators: %s: coupon code */
						esc_html__( 'Please enter a valid email at checkout to use coupon code "%s".', 'woocommerce' ),
						esc_html( $this->get_code() )
					);
				}
				break;
			case self::E_WC_COUPON_ALREADY_APPLIED:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Coupon code "%s" already applied!', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Sorry, coupon "%s" has already been applied and cannot be used in conjunction with other coupons.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_USAGE_LIMIT_REACHED:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Usage limit for coupon "%s" has been reached.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_EXPIRED:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Coupon "%s" has expired.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET:
				$allowed_tags = array(
					'span'  => array(
						'class' => true,
					),
					'bdi'   => true,
					'small' => true,
				);
				$err          = sprintf(
					/* translators: %1$s: coupon code,  %2$s: coupon minimum amount */
					esc_html__( 'The minimum spend for coupon "%1$s" is %2$s.', 'woocommerce' ),
					esc_html( $this->get_code() ),
					wp_kses( wc_price( $this->get_minimum_amount() ), $allowed_tags )
				);
				break;
			case self::E_WC_COUPON_MAX_SPEND_LIMIT_MET:
				$allowed_tags = array(
					'span'  => array(
						'class' => true,
					),
					'bdi'   => true,
					'small' => true,
				);
				$err          = sprintf(
					/* translators: %1$s: coupon code, %2$s: coupon maximum amount */
					esc_html__( 'The maximum spend for coupon "%1$s" is %2$s.', 'woocommerce' ),
					esc_html( $this->get_code() ),
					wp_kses( wc_price( $this->get_maximum_amount() ), $allowed_tags )
				);
				break;
			case self::E_WC_COUPON_NOT_APPLICABLE:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Sorry, coupon "%s" is not applicable to your cart contents.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK:
				if ( is_user_logged_in() && wc_get_page_id( 'myaccount' ) > 0 && ! WC()->is_store_api_request() ) {
					$err = sprintf(
						/* translators: %1$s: coupon code, %2$s: myaccount page link. */
						wp_kses_data( __( 'Usage limit for coupon "%1$s" has been reached. If you were using this coupon just now but your order was not complete, you can retry or cancel the order by going to the <a href="%2$s">my account page</a>.', 'woocommerce' ) ),
						esc_html( $this->get_code() ),
						esc_attr( wc_get_endpoint_url( 'orders', '', wc_get_page_permalink( 'myaccount' ) ) )
					);
				} else {
					$err = $this->get_coupon_error( self::E_WC_COUPON_USAGE_LIMIT_REACHED );
				}
				break;
			case self::E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK_GUEST:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Usage limit for coupon "%s" has been reached. Please try again after some time, or contact us for help.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			case self::E_WC_COUPON_EXCLUDED_PRODUCTS:
				// Store excluded products that are in cart in $products.
				$products = array();
				if ( ! WC()->cart->is_empty() ) {
					foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
						if ( in_array( intval( $cart_item['product_id'] ), $this->get_excluded_product_ids(), true ) || in_array( intval( $cart_item['variation_id'] ), $this->get_excluded_product_ids(), true ) || in_array( intval( $cart_item['data']->get_parent_id() ), $this->get_excluded_product_ids(), true ) ) {
							$products[] = $cart_item['data']->get_name();
						}
					}
				}

$err = sprintf(
					/* translators: %1$s: coupon code, %2$s: products list */
					esc_html__( 'Sorry, coupon "%1$s" is not applicable to the products: %2$s.', 'woocommerce' ),
					esc_html( $this->get_code() ),
					esc_html( implode( ', ', $products ) )
				);
				break;
			case self::E_WC_COUPON_EXCLUDED_CATEGORIES:
				// Store excluded categories that are in cart in $categories.
				$categories = array();
				if ( ! WC()->cart->is_empty() ) {
					foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
						$product_cats = wc_get_product_cat_ids( $cart_item['product_id'] );
						$intersect    = array_intersect( $product_cats, $this->get_excluded_product_categories() );

if ( count( $intersect ) > 0 ) {
							foreach ( $intersect as $cat_id ) {
								$cat          = get_term( $cat_id, 'product_cat' );
								$categories[] = $cat->name;
							}
						}
					}
				}

$err = sprintf(
					/* translators: "%1$s": coupon code, %2$s: categories list */
					esc_html__( 'Sorry, coupon "%1$s" is not applicable to the categories: %2$s.', 'woocommerce' ),
					esc_html( $this->get_code() ),
					esc_html( implode( ', ', array_unique( $categories ) ) )
				);
				break;
			case self::E_WC_COUPON_NOT_VALID_SALE_ITEMS:
				$err = sprintf(
					/* translators: %s: coupon code */
					esc_html__( 'Sorry, coupon "%s" is not valid for sale items.', 'woocommerce' ),
					esc_html( $this->get_code() )
				);
				break;
			default:
				$err = '';
				break;
		}
		return apply_filters( 'woocommerce_coupon_error', $err, $err_code, $this );
	}

/**
	 * Map one of the WC_Coupon error codes to an error string.
	 * No coupon instance will be available where a coupon does not exist,
	 * so this static method exists.
	 *
	 * @param int $err_code Error code.
	 * @return string Error string.
	 */
	public static function get_generic_coupon_error( $err_code ) {
		switch ( $err_code ) {
			case self::E_WC_COUPON_NOT_EXIST:
				$err = __( 'Coupon does not exist!', 'woocommerce' );
				break;
			case self::E_WC_COUPON_PLEASE_ENTER:
				$err = __( 'Please enter a coupon code.', 'woocommerce' );
				break;
			default:
				$err = '';
				break;
		}
		// When using this static method, there is no $this to pass to filter.
		return apply_filters( 'woocommerce_coupon_error', $err, $err_code, null );
	}

/**
	 * Get the coupon information that is needed to reapply the coupon to an existing order.
	 * This information is intended to be stored as a meta value in the order line item corresponding to the coupon
	 * and should NOT be modified or extended (additional/custom data should go in a separate metadata entry).
	 *
	 * The information returned is a JSON-encoded string of an array with the following coupon information:
	 *
	 * 0: Id
	 * 1: Code
	 * 2: Type, null is equivalent to 'fixed_cart'
	 * 3: Nominal amount (either a fixed amount or a percent, depending on the coupon type)
	 * 4: The coupon grants free shipping? (present only if true)
	 *
	 * @return string A JSON string with information that allows the coupon to be reapplied to an existing order.
	 */
	public function get_short_info(): string {
		$type = $this->get_discount_type();
		$info = array(
			$this->get_id(),
			$this->get_code(),
			'fixed_cart' === $type ? null : $type,
			(float) $this->get_prop( 'amount' ),
		);

if ( $this->get_free_shipping() ) {
			$info[] = true;
		}

return wp_json_encode( $info );
	}

/**
	 * Sets the coupon parameters from a reapply information set generated with 'get_short_info'.
	 *
	 * @param string $info JSON string with reapply information as returned by 'get_short_info'.
	 */
	public function set_short_info( string $info ) {
		$info = json_decode( $info, true );

$this->set_id( $info[0] ?? 0 );
		$this->set_code( $info[1] ?? '' );
		$this->set_discount_type( $info[2] ?? 'fixed_cart' );
		$this->set_amount( $info[3] ?? 0 );
		$this->set_free_shipping( $info[4] ?? false );
	}

/**
	 * Returns alternate error messages based on context (eg. Cart and Checkout).
	 *
	 * @param int $err_code Message/error code.
	 *
	 * @return array Context based alternate error messages.
	 */
	public function get_context_based_coupon_errors( $err_code = null ) {

switch ( $err_code ) {
			case self::E_WC_COUPON_NOT_YOURS_REMOVED:
				return array(
					'cart'     => sprintf(
						/* translators: %s: coupon code */
						esc_html__( 'Please enter a valid email at checkout to use coupon code "%s".', 'woocommerce' ),
						esc_html( $this->get_code() )
					),
					'checkout' => sprintf(
						/* translators: %s: coupon code */
						esc_html__( 'Please enter a valid email to use coupon code "%s".', 'woocommerce' ),
						esc_html( $this->get_code() )
					),
				);
			default:
				return array();
		}
	}
}

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