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<?php
/**
* Download Object
*
* @package EDD
* @subpackage Classes/Download
* @copyright Copyright (c) 2015, Pippin Williamson
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 2.2
*/
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;
/**
* EDD_Download Class
*
* @since 2.2
*/
class EDD_Download {
/**
* The download ID
*
* @since 2.2
*/
public $ID = 0;
/**
* The download price
*
* @since 2.2
*/
private $price;
/**
* The download prices, if Variable Prices are enabled
*
* @since 2.2
*/
private $prices;
/**
* The download files
*
* @since 2.2
*/
private $files;
/**
* The download's file download limit
*
* @since 2.2
*/
private $file_download_limit;
/**
* The download type, default or bundle
*
* @since 2.2
*/
private $type;
/**
* The bundled downloads, if this is a bundle type
*
* @since 2.2
*/
private $bundled_downloads;
/**
* The download's sale count
*
* @since 2.2
*/
private $sales;
/**
* The download's total earnings
*
* @since 2.2
*/
private $earnings;
/**
* The download's notes
*
* @since 2.2
*/
private $notes;
/**
* The download sku
*
* @since 2.2
*/
private $sku;
/**
* The download's purchase button behavior
*
* @since 2.2
*/
private $button_behavior;
/**
* Declare the default properties in WP_Post as we can't extend it
* Anything we've declared above has been removed.
*/
public $post_author = 0;
public $post_date = '0000-00-00 00:00:00';
public $post_date_gmt = '0000-00-00 00:00:00';
public $post_content = '';
public $post_title = '';
public $post_excerpt = '';
public $post_status = 'publish';
public $comment_status = 'open';
public $ping_status = 'open';
public $post_password = '';
public $post_name = '';
public $to_ping = '';
public $pinged = '';
public $post_modified = '0000-00-00 00:00:00';
public $post_modified_gmt = '0000-00-00 00:00:00';
public $post_content_filtered = '';
public $post_parent = 0;
public $guid = '';
public $menu_order = 0;
public $post_mime_type = '';
public $comment_count = 0;
public $filter;
/**
* Get things going
*
* @since 2.2
*/
public function __construct( $_id = false, $_args = array() ) {
$download = WP_Post::get_instance( $_id );
return $this->setup_download( $download );
}
/**
* Given the download data, let's set the variables
*
* @since 2.3.6
* @param WP_Post $download The WP_Post object for download.
* @return bool If the setup was successful or not
*/
private function setup_download( $download ) {
if( ! is_object( $download ) ) {
return false;
}
if( ! $download instanceof WP_Post ) {
return false;
}
if( 'download' !== $download->post_type ) {
return false;
}
foreach ( $download as $key => $value ) {
switch ( $key ) {
default:
$this->$key = $value;
break;
}
}
return true;
}
/**
* Magic __get function to dispatch a call to retrieve a private property
*
* @since 2.2
*/
public function __get( $key ) {
if( method_exists( $this, 'get_' . $key ) ) {
return call_user_func( array( $this, 'get_' . $key ) );
} else {
return new WP_Error( 'edd-download-invalid-property', sprintf( __( 'Can\'t get property %s', 'easy-digital-downloads' ), $key ) );
}
}
/**
* Creates a download
*
* @since 2.3.6
* @param array $data Array of attributes for a download
* @return mixed false if data isn't passed and class not instantiated for creation, or New Download ID
*/
public function create( $data = array() ) {
if ( $this->id != 0 ) {
return false;
}
$defaults = array(
'post_type' => 'download',
'post_status' => 'draft',
'post_title' => __( 'New Download Product', 'easy-digital-downloads' )
);
$args = wp_parse_args( $data, $defaults );
/**
* Fired before a download is created
*
* @param array $args The post object arguments used for creation.
*/
do_action( 'edd_download_pre_create', $args );
$id = wp_insert_post( $args, true );
$download = WP_Post::get_instance( $id );
/**
* Fired after a download is created
*
* @param int $id The post ID of the created item.
* @param array $args The post object arguments used for creation.
*/
do_action( 'edd_download_post_create', $id, $args );
return $this->setup_download( $download );
}
/**
* Retrieve the ID
*
* @since 2.2
* @return int ID of the download
*/
public function get_ID() {
return $this->ID;
}
/**
* Retrieve the download name
*
* @since 2.5.8
* @return string Name of the download
*/
public function get_name() {
return get_the_title( $this->ID );
}
/**
* Retrieve the price
*
* @since 2.2
* @return float Price of the download
*/
public function get_price() {
if ( ! isset( $this->price ) ) {
$this->price = get_post_meta( $this->ID, 'edd_price', true );
if ( $this->price ) {
$this->price = edd_sanitize_amount( $this->price );
} else {
$this->price = 0;
}
}
/**
* Override the download price.
*
* @since 2.2
*
* @param string $price The download price(s).
* @param string|int $id The downloads ID.
*/
return apply_filters( 'edd_get_download_price', $this->price, $this->ID );
}
/**
* Retrieve the variable prices
*
* @since 2.2
* @return array List of the variable prices
*/
public function get_prices() {
$this->prices = array();
if( true === $this->has_variable_prices() ) {
if ( empty( $this->prices ) ) {
$this->prices = get_post_meta( $this->ID, 'edd_variable_prices', true );
}
}
/**
* Override variable prices
*
* @since 2.2
*
* @param array $prices The array of variables prices.
* @param int|string The ID of the download.
*/
return apply_filters( 'edd_get_variable_prices', $this->prices, $this->ID );
}
/**
* Determine if single price mode is enabled or disabled
*
* @since 2.2
* @return bool True if download is in single price mode, false otherwise
*/
public function is_single_price_mode() {
$ret = get_post_meta( $this->ID, '_edd_price_options_mode', true );
/**
* Override the price mode for a download when checking if is in single price mode.
*
* @since 2.3
*
* @param bool $ret Is download in single price mode?
* @param int|string The ID of the download.
*/
return (bool) apply_filters( 'edd_single_price_option_mode', $ret, $this->ID );
}
/**
* Determine if the download has variable prices enabled
*
* @since 2.2
* @return bool True when the download has variable pricing enabled, false otherwise
*/
public function has_variable_prices() {
$ret = get_post_meta( $this->ID, '_variable_pricing', true );
/**
* Override whether the download has variables prices.
*
* @since 2.3
*
* @param bool $ret Does download have variable prices?
* @param int|string The ID of the download.
*/
return (bool) apply_filters( 'edd_has_variable_prices', $ret, $this->ID );
}
/**
* Retrieve the file downloads
*
* @since 2.2
* @param integer $variable_price_id
* @return array List of download files
*/
public function get_files( $variable_price_id = null ) {
if( ! isset( $this->files ) ) {
$this->files = array();
// Bundled products are not allowed to have files
if( $this->is_bundled_download() ) {
return $this->files;
}
$download_files = get_post_meta( $this->ID, 'edd_download_files', true );
if ( $download_files ) {
if ( ! is_null( $variable_price_id ) && $this->has_variable_prices() ) {
foreach ( $download_files as $key => $file_info ) {
if ( isset( $file_info['condition'] ) ) {
if ( $file_info['condition'] == $variable_price_id || 'all' === $file_info['condition'] ) {
$this->files[ $key ] = $file_info;
}
}
}
} else {
$this->files = $download_files;
}
}
}
return apply_filters( 'edd_download_files', $this->files, $this->ID, $variable_price_id );
}
/**
* Retrieve the file download limit
*
* @since 2.2
* @return int Number of download limit
*/
public function get_file_download_limit() {
if( ! isset( $this->file_download_limit ) ) {
$ret = 0;
$limit = get_post_meta( $this->ID, '_edd_download_limit', true );
$global = edd_get_option( 'file_download_limit', 0 );
if ( ! empty( $limit ) || ( is_numeric( $limit ) && (int)$limit == 0 ) ) {
// Download specific limit
$ret = absint( $limit );
} else {
// Global limit
$ret = strlen( $limit ) == 0 || $global ? $global : 0;
}
$this->file_download_limit = $ret;
}
return absint( apply_filters( 'edd_file_download_limit', $this->file_download_limit, $this->ID ) );
}
/**
* Retrieve the price option that has access to the specified file
*
* @since 2.2
* @return int|string
*/
public function get_file_price_condition( $file_key = 0 ) {
$files = $this->get_files();
$condition = isset( $files[ $file_key ]['condition']) ? $files[ $file_key ]['condition'] : 'all';
return apply_filters( 'edd_get_file_price_condition', $condition, $this->ID, $files );
}
/**
* Retrieve the download type, default or bundle
*
* @since 2.2
* @return string Type of download, either 'default' or 'bundle'
*/
public function get_type() {
if( ! isset( $this->type ) ) {
$this->type = get_post_meta( $this->ID, '_edd_product_type', true );
if( empty( $this->type ) ) {
$this->type = 'default';
}
}
return apply_filters( 'edd_get_download_type', $this->type, $this->ID );
}
/**
* Determine if this is a bundled download
*
* @since 2.2
* @return bool True when download is a bundle, false otherwise
*/
public function is_bundled_download() {
return 'bundle' === $this->get_type();
}
/**
* Retrieves the Download IDs that are bundled with this Download
*
* @since 2.2
* @return array List of bundled downloads
*/
public function get_bundled_downloads() {
if( ! isset( $this->bundled_downloads ) ) {
$this->bundled_downloads = (array) get_post_meta( $this->ID, '_edd_bundled_products', true );
}
return (array) apply_filters( 'edd_get_bundled_products', array_filter( $this->bundled_downloads ), $this->ID );
}
/**
* Retrieve the Download IDs that are bundled with this Download based on the variable pricing ID passed
*
* @since 2.7
* @param int $price_id Variable pricing ID
* @return array List of bundled downloads
*/
public function get_variable_priced_bundled_downloads( $price_id = null ) {
if ( null == $price_id ) {
return $this->get_bundled_downloads();
}
$downloads = array();
$bundled_downloads = $this->get_bundled_downloads();
$price_assignments = $this->get_bundle_pricing_variations();
if ( ! $price_assignments ) {
return $bundled_downloads;
}
$price_assignments = $price_assignments[0];
$price_assignments = array_values( $price_assignments );
foreach ( $price_assignments as $key => $value ) {
if ( $value == $price_id || $value == 'all' ) {
$downloads[] = $bundled_downloads[ $key ];
}
}
return $downloads;
}
/**
* Retrieve the download notes
*
* @since 2.2
* @return string Note related to the download
*/
public function get_notes() {
if( ! isset( $this->notes ) ) {
$this->notes = get_post_meta( $this->ID, 'edd_product_notes', true );
}
return (string) apply_filters( 'edd_product_notes', $this->notes, $this->ID );
}
/**
* Retrieve the download sku
*
* @since 2.2
* @return string SKU of the download
*/
public function get_sku() {
if( ! isset( $this->sku ) ) {
$this->sku = get_post_meta( $this->ID, 'edd_sku', true );
if ( empty( $this->sku ) ) {
$this->sku = '-';
}
}
return apply_filters( 'edd_get_download_sku', $this->sku, $this->ID );
}
/**
* Retrieve the purchase button behavior
*
* @since 2.2
* @return string
*/
public function get_button_behavior() {
if( ! isset( $this->button_behavior ) ) {
$this->button_behavior = get_post_meta( $this->ID, '_edd_button_behavior', true );
if( empty( $this->button_behavior ) || ! edd_shop_supports_buy_now() ) {
$this->button_behavior = 'add_to_cart';
}
}
return apply_filters( 'edd_get_download_button_behavior', $this->button_behavior, $this->ID );
}
/**
* Retrieve the sale count for the download
*
* @since 2.2
* @return int Number of times this has been purchased
*/
public function get_sales() {
if( ! isset( $this->sales ) ) {
if ( '' == get_post_meta( $this->ID, '_edd_download_sales', true ) ) {
add_post_meta( $this->ID, '_edd_download_sales', 0 );
}
$this->sales = get_post_meta( $this->ID, '_edd_download_sales', true );
// Never let sales be less than zero
$this->sales = max( $this->sales, 0 );
}
return $this->sales;
}
/**
* Increment the sale count by one
*
* @since 2.2
* @param int $quantity The quantity to increase the sales by
* @return int New number of total sales
*/
public function increase_sales( $quantity = 1 ) {
$quantity = absint( $quantity );
$total_sales = $this->get_sales() + $quantity;
if ( $this->update_meta( '_edd_download_sales', $total_sales ) ) {
$this->sales = $total_sales;
do_action( 'edd_download_increase_sales', $this->ID, $this->sales, $this );
return $this->sales;
}
return false;
}
/**
* Decrement the sale count by one
*
* @since 2.2
* @param int $quantity The quantity to decrease by
* @return int New number of total sales
*/
public function decrease_sales( $quantity = 1 ) {
// Only decrease if not already zero
if ( $this->get_sales() > 0 ) {
$quantity = absint( $quantity );
$total_sales = $this->get_sales() - $quantity;
if ( $this->update_meta( '_edd_download_sales', $total_sales ) ) {
$this->sales = $total_sales;
do_action( 'edd_download_decrease_sales', $this->ID, $this->sales, $this );
return $this->sales;
}
}
return false;
}
/**
* Retrieve the total earnings for the download
*
* @since 2.2
* @return float Total download earnings
*/
public function get_earnings() {
if ( ! isset( $this->earnings ) ) {
if ( '' == get_post_meta( $this->ID, '_edd_download_earnings', true ) ) {
add_post_meta( $this->ID, '_edd_download_earnings', 0 );
}
$this->earnings = get_post_meta( $this->ID, '_edd_download_earnings', true );
// Never let earnings be less than zero
$this->earnings = max( $this->earnings, 0 );
}
return $this->earnings;
}
/**
* Increase the earnings by the given amount
*
* @since 2.2
* @param int|float $amount Amount to increase the earnings by
* @return float New number of total earnings
*/
public function increase_earnings( $amount = 0 ) {
$current_earnings = $this->get_earnings();
$new_amount = apply_filters( 'edd_download_increase_earnings_amount', $current_earnings + (float) $amount, $current_earnings, $amount, $this );
if ( $this->update_meta( '_edd_download_earnings', $new_amount ) ) {
$this->earnings = $new_amount;
do_action( 'edd_download_increase_earnings', $this->ID, $this->earnings, $this );
return $this->earnings;
}
return false;
}
/**
* Decrease the earnings by the given amount
*
* @since 2.2
* @param int|float $amount Number to decrease earning with
* @return float New number of total earnings
*/
public function decrease_earnings( $amount ) {
// Only decrease if greater than zero
if ( $this->get_earnings() > 0 ) {
$current_earnings = $this->get_earnings();
$new_amount = apply_filters( 'edd_download_decrease_earnings_amount', $current_earnings - (float) $amount, $current_earnings, $amount, $this );
if ( $this->update_meta( '_edd_download_earnings', $new_amount ) ) {
$this->earnings = $new_amount;
do_action( 'edd_download_decrease_earnings', $this->ID, $this->earnings, $this );
return $this->earnings;
}
}
return false;
}
/**
* Determine if the download is free or if the given price ID is free
*
* @since 2.2
* @param bool $price_id ID of variation if needed
* @return bool True when the download is free, false otherwise
*/
public function is_free( $price_id = false ) {
$is_free = false;
$variable_pricing = edd_has_variable_prices( $this->ID );
if ( $variable_pricing && ! is_null( $price_id ) && $price_id !== false ) {
$price = edd_get_price_option_amount( $this->ID, $price_id );
} elseif ( $variable_pricing && $price_id === false ) {
$lowest_price = (float) edd_get_lowest_price_option( $this->ID );
$highest_price = (float) edd_get_highest_price_option( $this->ID );
if ( $lowest_price === 0.00 && $highest_price === 0.00 ) {
$price = 0;
}
} elseif( ! $variable_pricing ) {
$price = get_post_meta( $this->ID, 'edd_price', true );
}
if( isset( $price ) && (float) $price == 0 ) {
$is_free = true;
}
return (bool) apply_filters( 'edd_is_free_download', $is_free, $this->ID, $price_id );
}
/**
* Is quantity input disabled on this product?
*
* @since 2.7
* @return bool
*/
public function quantities_disabled() {
$ret = (bool) get_post_meta( $this->ID, '_edd_quantities_disabled', true );
return apply_filters( 'edd_download_quantity_disabled', $ret, $this->ID );
}
/**
* Updates a single meta entry for the download
*
* @since 2.3
* @access private
* @param string $meta_key The meta_key to update
* @param string|array|object $meta_value The value to put into the meta
* @return bool The result of the update query
*/
private function update_meta( $meta_key = '', $meta_value = '' ) {
global $wpdb;
if ( empty( $meta_key ) || empty( $meta_value ) ) {
return false;
}
// Make sure if it needs to be serialized, we do
$meta_value = maybe_serialize( $meta_value );
if ( is_numeric( $meta_value ) ) {
$value_type = is_float( $meta_value ) ? '%f' : '%d';
} else {
$value_type = "'%s'";
}
$sql = $wpdb->prepare( "UPDATE $wpdb->postmeta SET meta_value = $value_type WHERE post_id = $this->ID AND meta_key = '%s'", $meta_value, $meta_key );
if ( $wpdb->query( $sql ) ) {
clean_post_cache( $this->ID );
return true;
}
return false;
}
/**
* Checks if the download can be purchased
*
* NOTE: Currently only checks on edd_get_cart_contents() and edd_add_to_cart()
*
* @since 2.6.4
* @return bool If the current user can purcahse the download ID
*/
public function can_purchase() {
$can_purchase = true;
if ( ! current_user_can( 'edit_post', $this->ID ) && $this->post_status != 'publish' ) {
$can_purchase = false;
}
return (bool) apply_filters( 'edd_can_purchase_download', $can_purchase, $this );
}
/**
* Get pricing variations for bundled items
*
* @since 2.7
* @return array
*/
public function get_bundle_pricing_variations() {
return get_post_meta( $this->ID, '_edd_bundled_products_conditions' );
}
}