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PHP 8.1.34
Preview: class-wc-coupon.php Size: 44.64 KB
//home2/astrociv/public_html/rudraraksham.com/wp-content/plugins/woocommerce/includes/class-wc-coupon.php
<?php
/**
 * WooCommerce coupons.
 *
 * The WooCommerce coupons class gets coupon data from storage and checks coupon validity.
 *
 * @package WooCommerce\Classes
 * @version x.x.x
 */

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'                     => null,
		'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();
	}

	/**
	 * Returns all data for this object.
	 *
	 * @since  2.6.0
	 * @return array
	 */
	public function get_data() {
		// Ensure used_by is populated before the raw data array is returned, since
		// parent::get_data() reads $this->data directly and bypasses get_used_by().
		$this->get_used_by( 'edit' );
		$data = parent::get_data();
		if ( '' === $data['minimum_amount'] ) {
			$data['minimum_amount'] = '0';
		}
		if ( '' === $data['maximum_amount'] ) {
			$data['maximum_amount'] = '0';
		}
		return $data;
	}


	/**
	 * If the object has an ID, read using the data store.
	 *
	 * @since 3.4.1
	 * @return void
	 */
	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 string
	 */
	public function get_minimum_amount( $context = 'view' ) {
		if ( 'edit' !== $context && $this->get_prop( 'minimum_amount', $context ) === '' ) {
			return wc_format_decimal( 0 );
		}
		return wc_format_decimal( $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 string
	 */
	public function get_maximum_amount( $context = 'view' ) {
		if ( 'edit' !== $context && $this->get_prop( 'maximum_amount', $context ) === '' ) {
			return wc_format_decimal( 0 );
		}
		return wc_format_decimal( $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.
	 *
	 * The list is loaded lazily on first access rather than during object construction,
	 * because a coupon with hundreds of thousands of usages would otherwise allocate an
	 * enormous PHP array on every WC_Coupon instantiation — even for code paths such as
	 * order-status changes or cart validation that never need this data.
	 *
	 * @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' ) {
		if ( is_null( $this->data['used_by'] ) ) {
			// Bypass set_prop() so the lazy fetch does not mark the object as dirty.
			$this->data['used_by'] = $this->get_id()
				? array_filter( (array) get_post_meta( $this->get_id(), '_used_by', false ) )
				: array();
		}
		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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	public function set_description( $description ) {
		$this->set_prop( 'description', $description );
	}

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

	/**
	 * Set discount type.
	 *
	 * @since 3.0.0
	 * @param string $discount_type Discount type.
	 * @return void
	 */
	public function set_discount_type( $discount_type ) {
		$this->set_discount_type_core( $discount_type, true );
	}

	/**
	 * Set discount type, optionally disabling the type verification.
	 *
	 * @since 10.3.0
	 * @param string $discount_type Discount type.
	 * @param bool   $verify_discount_type Whether to verify if the discount type is valid.
	 * @return void
	 */
	private function set_discount_type_core( $discount_type, bool $verify_discount_type ) {
		if ( 'percent_product' === $discount_type ) {
			$discount_type = 'percent'; // Backwards compatibility.
		}
		if ( $verify_discount_type && ! 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|string $amount Amount.
	 * @return void
	 */
	public function set_amount( $amount ) {
		$amount = wc_format_decimal( $amount );

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

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

		if ( 'percent' === $this->get_discount_type() && (float) $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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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|string $amount Minimum amount.
	 * @return void
	 */
	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|string $amount Maximum amount.
	 * @return void
	 */
	public function set_maximum_amount( $amount ) {
		if ( (float) $amount && (float) $this->get_minimum_amount() > (float) $amount ) {
			$this->error( 'coupon_invalid_maximum_amount', __( 'Invalid maximum spend value.', 'woocommerce' ) );
		}

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

	/**
	 * Set email restrictions.
	 *
	 * @since 3.0.0
	 * @param array $emails List of emails.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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.
	 * @return void
	 */
	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" cannot be applied because it 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" cannot be applied because it 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 );
	}

	/**
	 * Parse short info JSON into an array of coupon properties without validation.
	 *
	 * @param string $info JSON string as returned by 'get_short_info'.
	 * @return array {
	 *     Parsed coupon properties.
	 *
	 *     `@type` int    $id            Coupon ID.
	 *     `@type` string $code          Coupon code.
	 *     `@type` string $discount_type Discount type ('fixed_cart', 'percent', etc.).
	 *     `@type` float  $amount        Discount amount.
	 *     `@type` bool   $free_shipping Whether free shipping is enabled.
	 * }
	 */
	private static function parse_short_info( string $info ): array {
		$data = json_decode( $info, true );

		if ( ! is_array( $data ) ) {
			$data = array();
		}

		return array(
			'id'            => $data[0] ?? 0,
			'code'          => $data[1] ?? '',
			'discount_type' => $data[2] ?? 'fixed_cart',
			'amount'        => (float) ( $data[3] ?? 0 ),
			'free_shipping' => (bool) ( $data[4] ?? false ),
		);
	}

	/**
	 * 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'.
	 * @return void
	 */
	public function set_short_info( string $info ) {
		$data = self::parse_short_info( $info );

		$this->set_id( $data['id'] );
		$this->set_code( $data['code'] );
		$this->set_discount_type_core( $data['discount_type'], false );
		$this->set_amount( $data['amount'] );
		$this->set_free_shipping( $data['free_shipping'] );
	}

	/**
	 * Create a WC_Coupon instance from an order's coupon line item without validation.
	 *
	 * This is useful for read-only contexts (e.g., REST API responses) where the stored
	 * data should be returned even if it contains invalid values.
	 *
	 * @since 10.6.0
	 *
	 * @param \WC_Order_Item_Coupon $order_item The coupon line item from an order.
	 * @return self A WC_Coupon instance populated with the stored data.
	 */
	public static function from_order_item( \WC_Order_Item_Coupon $order_item ): self {
		$coupon_info = $order_item->get_meta( 'coupon_info', true );
		if ( is_string( $coupon_info ) && '' !== $coupon_info ) {
			$data = self::parse_short_info( $coupon_info );
		} else {
			$coupon_meta = $order_item->get_meta( 'coupon_data', true );
			if ( is_object( $coupon_meta ) || is_array( $coupon_meta ) ) {
				$coupon_meta = (array) $coupon_meta;
				$data        = array(
					'id'            => 0,
					'code'          => '',
					'discount_type' => $coupon_meta['discount_type'] ?? 'fixed_cart',
					'amount'        => (float) ( $coupon_meta['amount'] ?? 0 ),
					'free_shipping' => (bool) ( $coupon_meta['free_shipping'] ?? false ),
				);
			} else {
				return new self();
			}
		}

		$coupon = new self();
		$coupon->set_id( $data['id'] );
		$coupon->set_code( $data['code'] );
		$coupon->set_discount_type_core( $data['discount_type'], false );
		$coupon->set_prop( 'amount', $data['amount'] );
		$coupon->set_free_shipping( $data['free_shipping'] );
		return $coupon;
	}

	/**
	 * 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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