includes/legacy/api/v2/class-wc-api-coupons.php
<?php
/**
* WooCommerce API Coupons Class
*
* Handles requests to the /coupons endpoint
*
* @author WooThemes
* @category API
* @package WooCommerce\RestApi
* @since 2.1
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
class WC_API_Coupons extends WC_API_Resource {
/** @var string $base the route base */
protected $base = '/coupons';
/**
* Register the routes for this class
*
* GET /coupons
* GET /coupons/count
* GET /coupons/<id>
*
* @since 2.1
* @param array $routes
* @return array
*/
public function register_routes( $routes ) {
# GET/POST /coupons
$routes[ $this->base ] = array(
array( array( $this, 'get_coupons' ), WC_API_Server::READABLE ),
array( array( $this, 'create_coupon' ), WC_API_Server::CREATABLE | WC_API_Server::ACCEPT_DATA ),
);
# GET /coupons/count
$routes[ $this->base . '/count' ] = array(
array( array( $this, 'get_coupons_count' ), WC_API_Server::READABLE ),
);
# GET/PUT/DELETE /coupons/<id>
$routes[ $this->base . '/(?P<id>\d+)' ] = array(
array( array( $this, 'get_coupon' ), WC_API_Server::READABLE ),
array( array( $this, 'edit_coupon' ), WC_API_SERVER::EDITABLE | WC_API_SERVER::ACCEPT_DATA ),
array( array( $this, 'delete_coupon' ), WC_API_SERVER::DELETABLE ),
);
# GET /coupons/code/<code>, note that coupon codes can contain spaces, dashes and underscores
$routes[ $this->base . '/code/(?P<code>\w[\w\s\-]*)' ] = array(
array( array( $this, 'get_coupon_by_code' ), WC_API_Server::READABLE ),
);
# POST|PUT /coupons/bulk
$routes[ $this->base . '/bulk' ] = array(
array( array( $this, 'bulk' ), WC_API_Server::EDITABLE | WC_API_Server::ACCEPT_DATA ),
);
return $routes;
}
/**
* Get all coupons
*
* @since 2.1
* @param string $fields
* @param array $filter
* @param int $page
* @return array
*/
public function get_coupons( $fields = null, $filter = array(), $page = 1 ) {
$filter['page'] = $page;
$query = $this->query_coupons( $filter );
$coupons = array();
foreach ( $query->posts as $coupon_id ) {
if ( ! $this->is_readable( $coupon_id ) ) {
continue;
}
$coupons[] = current( $this->get_coupon( $coupon_id, $fields ) );
}
$this->server->add_pagination_headers( $query );
return array( 'coupons' => $coupons );
}
/**
* Get the coupon for the given ID
*
* @since 2.1
* @param int $id the coupon ID
* @param string $fields fields to include in response
* @return array|WP_Error
*/
public function get_coupon( $id, $fields = null ) {
try {
$id = $this->validate_request( $id, 'shop_coupon', 'read' );
if ( is_wp_error( $id ) ) {
return $id;
}
$coupon = new WC_Coupon( $id );
if ( 0 === $coupon->get_id() ) {
throw new WC_API_Exception( 'woocommerce_api_invalid_coupon_id', __( 'Invalid coupon ID', 'woocommerce' ), 404 );
}
$coupon_data = array(
'id' => $coupon->get_id(),
'code' => $coupon->get_code(),
'type' => $coupon->get_discount_type(),
'created_at' => $this->server->format_datetime( $coupon->get_date_created() ? $coupon->get_date_created()->getTimestamp() : 0 ), // API gives UTC times.
'updated_at' => $this->server->format_datetime( $coupon->get_date_modified() ? $coupon->get_date_modified()->getTimestamp() : 0 ), // API gives UTC times.
'amount' => wc_format_decimal( $coupon->get_amount(), 2 ),
'individual_use' => $coupon->get_individual_use(),
'product_ids' => array_map( 'absint', (array) $coupon->get_product_ids() ),
'exclude_product_ids' => array_map( 'absint', (array) $coupon->get_excluded_product_ids() ),
'usage_limit' => $coupon->get_usage_limit() ? $coupon->get_usage_limit() : null,
'usage_limit_per_user' => $coupon->get_usage_limit_per_user() ? $coupon->get_usage_limit_per_user() : null,
'limit_usage_to_x_items' => (int) $coupon->get_limit_usage_to_x_items(),
'usage_count' => (int) $coupon->get_usage_count(),
'expiry_date' => $coupon->get_date_expires() ? $this->server->format_datetime( $coupon->get_date_expires()->getTimestamp() ) : null, // API gives UTC times.
'enable_free_shipping' => $coupon->get_free_shipping(),
'product_category_ids' => array_map( 'absint', (array) $coupon->get_product_categories() ),
'exclude_product_category_ids' => array_map( 'absint', (array) $coupon->get_excluded_product_categories() ),
'exclude_sale_items' => $coupon->get_exclude_sale_items(),
'minimum_amount' => wc_format_decimal( $coupon->get_minimum_amount(), 2 ),
'maximum_amount' => wc_format_decimal( $coupon->get_maximum_amount(), 2 ),
'customer_emails' => $coupon->get_email_restrictions(),
'description' => $coupon->get_description(),
);
return array( 'coupon' => apply_filters( 'woocommerce_api_coupon_response', $coupon_data, $coupon, $fields, $this->server ) );
} catch ( WC_API_Exception $e ) {
return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
}
}
/**
* Get the total number of coupons
*
* @since 2.1
*
* @param array $filter
*
* @return array|WP_Error
*/
public function get_coupons_count( $filter = array() ) {
try {
if ( ! current_user_can( 'read_private_shop_coupons' ) ) {
throw new WC_API_Exception( 'woocommerce_api_user_cannot_read_coupons_count', __( 'You do not have permission to read the coupons count', 'woocommerce' ), 401 );
}
$query = $this->query_coupons( $filter );
return array( 'count' => (int) $query->found_posts );
} catch ( WC_API_Exception $e ) {
return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
}
}
/**
* Get the coupon for the given code
*
* @since 2.1
* @param string $code the coupon code
* @param string $fields fields to include in response
* @return int|WP_Error
*/
public function get_coupon_by_code( $code, $fields = null ) {
global $wpdb;
try {
$id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->posts WHERE post_title = %s AND post_type = 'shop_coupon' AND post_status = 'publish' ORDER BY post_date DESC LIMIT 1;", $code ) );
if ( is_null( $id ) ) {
throw new WC_API_Exception( 'woocommerce_api_invalid_coupon_code', __( 'Invalid coupon code', 'woocommerce' ), 404 );
}
return $this->get_coupon( $id, $fields );
} catch ( WC_API_Exception $e ) {
return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
}
}
/**
* Create a coupon
*
* @since 2.2
*
* @param array $data
*
* @return array|WP_Error
*/
public function create_coupon( $data ) {
global $wpdb;
try {
if ( ! isset( $data['coupon'] ) ) {
throw new WC_API_Exception( 'woocommerce_api_missing_coupon_data', sprintf( __( 'No %1$s data specified to create %1$s', 'woocommerce' ), 'coupon' ), 400 );
}
$data = $data['coupon'];
// Check user permission
if ( ! current_user_can( 'publish_shop_coupons' ) ) {
throw new WC_API_Exception( 'woocommerce_api_user_cannot_create_coupon', __( 'You do not have permission to create coupons', 'woocommerce' ), 401 );
}
$data = apply_filters( 'woocommerce_api_create_coupon_data', $data, $this );
// Check if coupon code is specified
if ( ! isset( $data['code'] ) ) {
throw new WC_API_Exception( 'woocommerce_api_missing_coupon_code', sprintf( __( 'Missing parameter %s', 'woocommerce' ), 'code' ), 400 );
}
$coupon_code = wc_format_coupon_code( $data['code'] );
$id_from_code = wc_get_coupon_id_by_code( $coupon_code );
if ( $id_from_code ) {
throw new WC_API_Exception( 'woocommerce_api_coupon_code_already_exists', __( 'The coupon code already exists', 'woocommerce' ), 400 );
}
$defaults = array(
'type' => 'fixed_cart',
'amount' => 0,
'individual_use' => false,
'product_ids' => array(),
'exclude_product_ids' => array(),
'usage_limit' => '',
'usage_limit_per_user' => '',
'limit_usage_to_x_items' => '',
'usage_count' => '',
'expiry_date' => '',
'enable_free_shipping' => false,
'product_category_ids' => array(),
'exclude_product_category_ids' => array(),
'exclude_sale_items' => false,
'minimum_amount' => '',
'maximum_amount' => '',
'customer_emails' => array(),
'description' => '',
);
$coupon_data = wp_parse_args( $data, $defaults );
// Validate coupon types
if ( ! in_array( wc_clean( $coupon_data['type'] ), array_keys( wc_get_coupon_types() ) ) ) {
throw new WC_API_Exception( 'woocommerce_api_invalid_coupon_type', sprintf( __( 'Invalid coupon type - the coupon type must be any of these: %s', 'woocommerce' ), implode( ', ', array_keys( wc_get_coupon_types() ) ) ), 400 );
}
$new_coupon = array(
'post_title' => $coupon_code,
'post_content' => '',
'post_status' => 'publish',
'post_author' => get_current_user_id(),
'post_type' => 'shop_coupon',
'post_excerpt' => $coupon_data['description'],
);
$id = wp_insert_post( $new_coupon, true );
if ( is_wp_error( $id ) ) {
throw new WC_API_Exception( 'woocommerce_api_cannot_create_coupon', $id->get_error_message(), 400 );
}
// Set coupon meta
update_post_meta( $id, 'discount_type', $coupon_data['type'] );
update_post_meta( $id, 'coupon_amount', wc_format_decimal( $coupon_data['amount'] ) );
update_post_meta( $id, 'individual_use', ( true === $coupon_data['individual_use'] ) ? 'yes' : 'no' );
update_post_meta( $id, 'product_ids', implode( ',', array_filter( array_map( 'intval', $coupon_data['product_ids'] ) ) ) );
update_post_meta( $id, 'exclude_product_ids', implode( ',', array_filter( array_map( 'intval', $coupon_data['exclude_product_ids'] ) ) ) );
update_post_meta( $id, 'usage_limit', absint( $coupon_data['usage_limit'] ) );
update_post_meta( $id, 'usage_limit_per_user', absint( $coupon_data['usage_limit_per_user'] ) );
update_post_meta( $id, 'limit_usage_to_x_items', absint( $coupon_data['limit_usage_to_x_items'] ) );
update_post_meta( $id, 'usage_count', absint( $coupon_data['usage_count'] ) );
update_post_meta( $id, 'expiry_date', $this->get_coupon_expiry_date( wc_clean( $coupon_data['expiry_date'] ) ) );
update_post_meta( $id, 'date_expires', $this->get_coupon_expiry_date( wc_clean( $coupon_data['expiry_date'] ), true ) );
update_post_meta( $id, 'free_shipping', ( true === $coupon_data['enable_free_shipping'] ) ? 'yes' : 'no' );
update_post_meta( $id, 'product_categories', array_filter( array_map( 'intval', $coupon_data['product_category_ids'] ) ) );
update_post_meta( $id, 'exclude_product_categories', array_filter( array_map( 'intval', $coupon_data['exclude_product_category_ids'] ) ) );
update_post_meta( $id, 'exclude_sale_items', ( true === $coupon_data['exclude_sale_items'] ) ? 'yes' : 'no' );
update_post_meta( $id, 'minimum_amount', wc_format_decimal( $coupon_data['minimum_amount'] ) );
update_post_meta( $id, 'maximum_amount', wc_format_decimal( $coupon_data['maximum_amount'] ) );
update_post_meta( $id, 'customer_email', array_filter( array_map( 'sanitize_email', $coupon_data['customer_emails'] ) ) );
do_action( 'woocommerce_api_create_coupon', $id, $data );
do_action( 'woocommerce_new_coupon', $id );
$this->server->send_status( 201 );
return $this->get_coupon( $id );
} catch ( WC_API_Exception $e ) {
return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
}
}
/**
* Edit a coupon
*
* @since 2.2
*
* @param int $id the coupon ID
* @param array $data
*
* @return array|WP_Error
*/
public function edit_coupon( $id, $data ) {
try {
if ( ! isset( $data['coupon'] ) ) {
throw new WC_API_Exception( 'woocommerce_api_missing_coupon_data', sprintf( __( 'No %1$s data specified to edit %1$s', 'woocommerce' ), 'coupon' ), 400 );
}
$data = $data['coupon'];
$id = $this->validate_request( $id, 'shop_coupon', 'edit' );
if ( is_wp_error( $id ) ) {
return $id;
}
$data = apply_filters( 'woocommerce_api_edit_coupon_data', $data, $id, $this );
if ( isset( $data['code'] ) ) {
global $wpdb;
$coupon_code = wc_format_coupon_code( $data['code'] );
$id_from_code = wc_get_coupon_id_by_code( $coupon_code, $id );
if ( $id_from_code ) {
throw new WC_API_Exception( 'woocommerce_api_coupon_code_already_exists', __( 'The coupon code already exists', 'woocommerce' ), 400 );
}
$updated = wp_update_post( array( 'ID' => intval( $id ), 'post_title' => $coupon_code ) );
if ( 0 === $updated ) {
throw new WC_API_Exception( 'woocommerce_api_cannot_update_coupon', __( 'Failed to update coupon', 'woocommerce' ), 400 );
}
}
if ( isset( $data['description'] ) ) {
$updated = wp_update_post( array( 'ID' => intval( $id ), 'post_excerpt' => $data['description'] ) );
if ( 0 === $updated ) {
throw new WC_API_Exception( 'woocommerce_api_cannot_update_coupon', __( 'Failed to update coupon', 'woocommerce' ), 400 );
}
}
if ( isset( $data['type'] ) ) {
// Validate coupon types
if ( ! in_array( wc_clean( $data['type'] ), array_keys( wc_get_coupon_types() ) ) ) {
throw new WC_API_Exception( 'woocommerce_api_invalid_coupon_type', sprintf( __( 'Invalid coupon type - the coupon type must be any of these: %s', 'woocommerce' ), implode( ', ', array_keys( wc_get_coupon_types() ) ) ), 400 );
}
update_post_meta( $id, 'discount_type', $data['type'] );
}
if ( isset( $data['amount'] ) ) {
update_post_meta( $id, 'coupon_amount', wc_format_decimal( $data['amount'] ) );
}
if ( isset( $data['individual_use'] ) ) {
update_post_meta( $id, 'individual_use', ( true === $data['individual_use'] ) ? 'yes' : 'no' );
}
if ( isset( $data['product_ids'] ) ) {
update_post_meta( $id, 'product_ids', implode( ',', array_filter( array_map( 'intval', $data['product_ids'] ) ) ) );
}
if ( isset( $data['exclude_product_ids'] ) ) {
update_post_meta( $id, 'exclude_product_ids', implode( ',', array_filter( array_map( 'intval', $data['exclude_product_ids'] ) ) ) );
}
if ( isset( $data['usage_limit'] ) ) {
update_post_meta( $id, 'usage_limit', absint( $data['usage_limit'] ) );
}
if ( isset( $data['usage_limit_per_user'] ) ) {
update_post_meta( $id, 'usage_limit_per_user', absint( $data['usage_limit_per_user'] ) );
}
if ( isset( $data['limit_usage_to_x_items'] ) ) {
update_post_meta( $id, 'limit_usage_to_x_items', absint( $data['limit_usage_to_x_items'] ) );
}
if ( isset( $data['usage_count'] ) ) {
update_post_meta( $id, 'usage_count', absint( $data['usage_count'] ) );
}
if ( isset( $data['expiry_date'] ) ) {
update_post_meta( $id, 'expiry_date', $this->get_coupon_expiry_date( wc_clean( $data['expiry_date'] ) ) );
update_post_meta( $id, 'date_expires', $this->get_coupon_expiry_date( wc_clean( $data['expiry_date'] ), true ) );
}
if ( isset( $data['enable_free_shipping'] ) ) {
update_post_meta( $id, 'free_shipping', ( true === $data['enable_free_shipping'] ) ? 'yes' : 'no' );
}
if ( isset( $data['product_category_ids'] ) ) {
update_post_meta( $id, 'product_categories', array_filter( array_map( 'intval', $data['product_category_ids'] ) ) );
}
if ( isset( $data['exclude_product_category_ids'] ) ) {
update_post_meta( $id, 'exclude_product_categories', array_filter( array_map( 'intval', $data['exclude_product_category_ids'] ) ) );
}
if ( isset( $data['exclude_sale_items'] ) ) {
update_post_meta( $id, 'exclude_sale_items', ( true === $data['exclude_sale_items'] ) ? 'yes' : 'no' );
}
if ( isset( $data['minimum_amount'] ) ) {
update_post_meta( $id, 'minimum_amount', wc_format_decimal( $data['minimum_amount'] ) );
}
if ( isset( $data['maximum_amount'] ) ) {
update_post_meta( $id, 'maximum_amount', wc_format_decimal( $data['maximum_amount'] ) );
}
if ( isset( $data['customer_emails'] ) ) {
update_post_meta( $id, 'customer_email', array_filter( array_map( 'sanitize_email', $data['customer_emails'] ) ) );
}
do_action( 'woocommerce_api_edit_coupon', $id, $data );
do_action( 'woocommerce_update_coupon', $id );
return $this->get_coupon( $id );
} catch ( WC_API_Exception $e ) {
return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
}
}
/**
* Delete a coupon
*
* @since 2.2
* @param int $id the coupon ID
* @param bool $force true to permanently delete coupon, false to move to trash
* @return array|WP_Error
*/
public function delete_coupon( $id, $force = false ) {
$id = $this->validate_request( $id, 'shop_coupon', 'delete' );
if ( is_wp_error( $id ) ) {
return $id;
}
do_action( 'woocommerce_api_delete_coupon', $id, $this );
return $this->delete( $id, 'shop_coupon', ( 'true' === $force ) );
}
/**
* expiry_date format
*
* @since 2.3.0
* @param string $expiry_date
* @param bool $as_timestamp (default: false)
* @return string|int
*/
protected function get_coupon_expiry_date( $expiry_date, $as_timestamp = false ) {
if ( '' != $expiry_date ) {
if ( $as_timestamp ) {
return strtotime( $expiry_date );
}
return date( 'Y-m-d', strtotime( $expiry_date ) );
}
return '';
}
/**
* Helper method to get coupon post objects
*
* @since 2.1
* @param array $args request arguments for filtering query
* @return WP_Query
*/
private function query_coupons( $args ) {
// set base query arguments
$query_args = array(
'fields' => 'ids',
'post_type' => 'shop_coupon',
'post_status' => 'publish',
);
$query_args = $this->merge_query_args( $query_args, $args );
return new WP_Query( $query_args );
}
/**
* Bulk update or insert coupons
* Accepts an array with coupons in the formats supported by
* WC_API_Coupons->create_coupon() and WC_API_Coupons->edit_coupon()
*
* @since 2.4.0
*
* @param array $data
*
* @return array|WP_Error
*/
public function bulk( $data ) {
try {
if ( ! isset( $data['coupons'] ) ) {
throw new WC_API_Exception( 'woocommerce_api_missing_coupons_data', sprintf( __( 'No %1$s data specified to create/edit %1$s', 'woocommerce' ), 'coupons' ), 400 );
}
$data = $data['coupons'];
$limit = apply_filters( 'woocommerce_api_bulk_limit', 100, 'coupons' );
// Limit bulk operation
if ( count( $data ) > $limit ) {
throw new WC_API_Exception( 'woocommerce_api_coupons_request_entity_too_large', sprintf( __( 'Unable to accept more than %s items for this request.', 'woocommerce' ), $limit ), 413 );
}
$coupons = array();
foreach ( $data as $_coupon ) {
$coupon_id = 0;
// Try to get the coupon ID
if ( isset( $_coupon['id'] ) ) {
$coupon_id = intval( $_coupon['id'] );
}
// Coupon exists / edit coupon
if ( $coupon_id ) {
$edit = $this->edit_coupon( $coupon_id, array( 'coupon' => $_coupon ) );
if ( is_wp_error( $edit ) ) {
$coupons[] = array(
'id' => $coupon_id,
'error' => array( 'code' => $edit->get_error_code(), 'message' => $edit->get_error_message() ),
);
} else {
$coupons[] = $edit['coupon'];
}
} else {
// Coupon don't exists / create coupon
$new = $this->create_coupon( array( 'coupon' => $_coupon ) );
if ( is_wp_error( $new ) ) {
$coupons[] = array(
'id' => $coupon_id,
'error' => array( 'code' => $new->get_error_code(), 'message' => $new->get_error_message() ),
);
} else {
$coupons[] = $new['coupon'];
}
}
}
return array( 'coupons' => apply_filters( 'woocommerce_api_coupons_bulk_response', $coupons, $this ) );
} catch ( WC_API_Exception $e ) {
return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
}
}
}