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<?php
// Exit if accessed directly
if (!defined('ABSPATH')) {
exit;
}
/**
* Product Display Price Override
*
* @class RP_WCDPD_Product_Price_Override
* @package WooCommerce Dynamic Pricing & Discounts
* @author RightPress
*/
if (!class_exists('RP_WCDPD_Product_Price_Override')) {
class RP_WCDPD_Product_Price_Override extends RP_WCDPD_WC_Price_Cache
{
protected $cache_prefix = 'rp_wcdpd';
protected $priority = 20;
protected $rules = null;
protected $product_condition_values = array();
protected $non_product_condition_values = null;
protected $skip_all = false;
// Singleton instance
protected static $instance = false;
/**
* Singleton control
*/
public static function get_instance()
{
if (!self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor class
*
* @access public
* @return void
*/
public function __construct()
{
add_action('init', array($this, 'on_init'));
}
/**
* On init
*
* @access public
* @return void
*/
public function on_init()
{
// Check if display price override is enabled
if (!RP_WCDPD_Settings::get('product_pricing_change_display_prices')) {
return;
}
// Construct parent class
parent::__construct();
}
/**
* Check if price can be changed
*
* @access public
* @param object $product
* @param float $price
* @param string $price_type
* @return bool
*/
public function proceed($product, $price, $price_type)
{
// Don't change prices in admin ui
if (is_admin() && !defined('DOING_AJAX') && !apply_filters('rp_wcdpd_allow_backend_price_override', false)) {
return false;
}
// Don't run if cart was not loaded yet (we need to flag products that are in cart first for this to work fine)
if (!did_action('woocommerce_cart_loaded_from_session') && !apply_filters('rp_wcdpd_allow_price_override_before_cart_is_loaded', false)) {
return false;
}
// Make sure that product is not cart item
if (!empty($product->rp_wcdpd_in_cart)) {
return false;
}
// Already running a pricing test
if (RP_WCDPD_Controller_Methods_Product_Pricing::running_test()) {
return false;
}
// Don't change regular prices
if ($price_type === 'regular_price' && RP_WCDPD_Settings::get('product_pricing_display_regular_price')) {
return false;
}
// Get product pricing rules
$rules = $this->get_rules();
// No rules configured
if (empty($rules)) {
return false;
}
return true;
}
/**
* Get rules
*
* @access public
* @return array
*/
public function get_rules()
{
// Rules not loaded yet
if ($this->rules === null) {
$params = array();
// Simple rules only
if (RP_WCDPD_Settings::get('product_pricing_change_display_prices') === 'change_simple') {
$params['methods'] = array('simple');
}
// Load rules
$this->rules = RP_WCDPD_Rules::get('product_pricing', $params);
}
return $this->rules;
}
/**
* Get cached price validation hash
* Used to identify outdated cached prices
*
* @access public
* @param object $product
* @param float $price
* @param string $price_type
* @return string
*/
public function get_hash($product, $price, $price_type)
{
global $woocommerce;
// Data for hash
$data = array(
// Request price
$price_type,
(float) $price,
// Prices set in product settings
(float) $product->get_price('edit'),
(float) $product->get_regular_price('edit'),
(float) $product->get_sale_price('edit'),
// Plugin settings hash
$this->get_settings_hash($product),
// Get product condition values
$this->get_product_condition_values($product),
// Get non-product condition values
$this->get_non_product_condition_values(),
);
// Hash cart contents if all rule types are used
if (RP_WCDPD_Settings::get('product_pricing_change_display_prices') === 'change_all') {
if (is_object($woocommerce) && isset($woocommerce->cart) && is_object($woocommerce->cart) && isset($woocommerce->cart->cart_contents)) {
$data[] = $woocommerce->cart->cart_contents;
}
}
// Return hash
return RightPress_Help::get_hash(false, $data);
}
/**
* Get settings hash
*
* @access public
* @param object $product
* @return string
*/
public function get_settings_hash($product)
{
return $this->cache_prefix . '_' . RightPress_Help::get_hash(false, array(
$this->get_rules(),
RP_WCDPD_Settings::get('product_pricing_rule_selection_method'),
RP_WCDPD_Settings::get('product_pricing_sale_price_handling'),
RP_WCDPD_Settings::get('product_pricing_change_display_prices'),
RP_WCDPD_Settings::get('condition_amounts_include_tax'),
));
}
/**
* Calculate price
*
* @access public
* @param object $product
* @param float $price
* @return foat
*/
public function calculate_price($product, $price)
{
// Select correct price to base calculations on
if (RP_WCDPD_Settings::get('product_pricing_sale_price_handling') === 'regular') {
// Start price observation
$this->start_observation();
// Get product id
$product_id = $product->get_id();
// Run price methods to observe prices
$product->get_sale_price();
$product->get_regular_price();
// Get observed prices
$observed_prices = $this->get_observed();
// Extract observed prices
$_sale_price = $observed_prices[$product_id]['sale_price'];
$_regular_price = $observed_prices[$product_id]['regular_price'];
// Stop price observation
$this->stop_observation();
// Choose correct base price
if ($_sale_price !== '' && $_sale_price < $_regular_price) {
$base_price = $_regular_price;
}
else {
$base_price = $price;
}
}
else {
$base_price = $price;
}
// Get adjusted price
$adjusted_price = $this->get_adjusted_price($product, $base_price);
// Return adjusted price if it was adjusted, otherwise return original price as it was
// Note: We can't return $adjusted_price in the latter case since $base_price may ignore sale price set in WooCommerce product settings
return ((string) $adjusted_price !== (string) $base_price) ? $adjusted_price : $price;
}
/**
* Calculate sale price
*
* @access public
* @param object $product
* @param float $price
* @return foat
*/
public function calculate_sale_price($product, $price)
{
// Get final price
$final_price = $product->get_price();
// Get regular price
$regular_price = $product->get_regular_price();
// Determine sale price
return ($final_price < $regular_price) ? $final_price : '';
}
/**
* Calculate regular price
*
* @access public
* @param object $product
* @param float $price
* @return foat
*/
public function calculate_regular_price($product, $price)
{
if (RP_WCDPD_Settings::get('product_pricing_display_regular_price')) {
return $price;
}
else {
return $product->get_price();
}
}
/**
* Get adjusted price
*
* @access public
* @param object $product
* @param float $price
* @return float
*/
public function get_adjusted_price($product, $price)
{
// All rule types
if (RP_WCDPD_Settings::get('product_pricing_change_display_prices') === 'change_all') {
// Get variation attributes
$variation_attributes = $product->is_type('variation') ? $product->get_variation_attributes() : array();
// Test product price
$test_price = RP_WCDPD_Product_Pricing::test_product_price($product, 1, $variation_attributes);
if ($test_price !== false && $test_price !== null) {
$price = $test_price;
}
}
// Simple rules only
else if (RP_WCDPD_Settings::get('product_pricing_change_display_prices') === 'change_simple') {
$controller = RP_WCDPD_Controller_Methods_Product_Pricing::get_instance();
// Get simple product pricing rules applicable to this product
$applicable_rules = RP_WCDPD_Product_Pricing::get_applicable_rules_for_product($product, array('simple'));
// Apply adjustments
if (is_array($applicable_rules) && !empty($applicable_rules)) {
foreach ($applicable_rules as $applicable_rule) {
if ($method = $controller->get_method_from_rule($applicable_rule)) {
$prices = RP_WCDPD_Controller_Methods_Product_Pricing::generate_prices_array($price, 1);
$prices = $method->apply_adjustment_to_prices($prices, array('rule' => $applicable_rule));
$price = RP_WCDPD_Controller_Methods_Product_Pricing::get_price_from_prices_array($prices, $price, $product);
}
}
}
}
return $price;
}
/**
* Get values for all product conditions for all rules
*
* @access public
* @param object $product
* @return array
*/
public function get_product_condition_values($product)
{
// Get product id
$product_id = $product->get_id();
// Get values and store in cache
if (!isset($this->product_condition_values[$product_id])) {
// Define condition params
$params = array(
'item_id' => $product->is_type('variation') ? $product->get_parent_id() : $product_id,
'child_id' => $product->is_type('variation') ? $product_id : null,
'variation_attributes' => $product->is_type('variation') ? $product->get_variation_attributes() : null,
);
// Get values
$this->product_condition_values[$product_id] = $this->get_condition_values(true, $params);
}
// Return from cache
return $this->product_condition_values[$product_id];
}
/**
* Get values for all non-product conditions for all rules
*
* @access public
* @return array
*/
public function get_non_product_condition_values()
{
// Get values and store in cache
if ($this->non_product_condition_values === null) {
$this->non_product_condition_values = $this->get_condition_values(false);
}
// Return from cache
return $this->non_product_condition_values;
}
/**
* Get values for all conditions for all rules
* Checks either product or non-product conditions during one run
*
* @access public
* @param bool $product_conditions
* @param array $params
* @return array
*/
public function get_condition_values($product_conditions, $params = array())
{
$values = array();
$processed = array();
// Iterate over rules
foreach ($this->get_rules() as $rule) {
// Iterate over conditions
if (!empty($rule['conditions'])) {
foreach ($rule['conditions'] as $rule_condition) {
// Check if condition is product condition
$is_product = RP_WCDPD_Conditions::is_group($rule_condition, array('product', 'product_property', 'product_other', 'custom_taxonomy'));
// Check if we need to get value for current condition
if ($is_product && !$product_conditions || !$is_product && $product_conditions) {
continue;
}
// Set condition
$params['condition'] = $rule_condition;
// Get condition value
if ($condition = RP_WCDPD_Controller_Conditions::get_item($rule_condition['type'])) {
$values[][$rule_condition['type']] = $condition->get_value($params);
}
}
}
}
return $values;
}
/**
* Maybe skip cache
*
* @access public
* @return bool
*/
public function skip()
{
// We check this already
if ($this->skip_all) {
return true;
}
// Pricing rules contain customer conditions
if (RP_WCDPD_Rules::rules_have_condition_groups(array('product_pricing'), array('customer', 'customer_value', 'purchase_history'))) {
// Customer is logged in
if (is_user_logged_in()) {
$this->skip_all = true;
return true;
}
}
// Pricing rules contain cart conditions
if (RP_WCDPD_Rules::rules_have_condition_groups(array('product_pricing'), array('cart', 'cart_items', 'cart_item_quantities', 'cart_item_subtotals', 'checkout', 'shipping'))) {
global $woocommerce;
// Cart is not empty
if (is_object($woocommerce) && isset($woocommerce->cart) && is_object($woocommerce->cart) && !empty($woocommerce->cart->cart_contents)) {
$this->skip_all = true;
return true;
}
}
// Do not skip cache
return false;
}
}
RP_WCDPD_Product_Price_Override::get_instance();
}