function commerce_product_pre_calculation_key in Commerce Core 7

Generates a price pre-calculation module key indicating which pricing Rules currently apply.

1 call to commerce_product_pre_calculation_key()

commerce_product_calculate_sell_price in modules/product_pricing/commerce_product_pricing.module

Returns the calculated sell price for the given product.

File

modules/product_pricing/commerce_product_pricing.module, line 164

Enables Rules based product sell price calculation for dynamic product pricing.

Code

function commerce_product_pre_calculation_key() {

  // Load the sell price calculation event.
  $event = rules_get_cache('event_commerce_product_calculate_sell_price');

  // If there are no rule configurations, use an empty key.
  if (empty($event)) {
    return '';
  }

  // Build an array of the names of all rule configurations that qualify for
  // dynamic pre-calculation.
  $rule_names = array();
  $state = new RulesState();
  foreach ($event as $rule) {

    // Only add Rules with conditions that evaluate to TRUE.
    if (count($rule
      ->conditions()) > 0 && $rule
      ->conditionContainer()
      ->evaluate($state)) {
      $rule_names[] = $rule->name;
    }
  }

  // If no valid Rules were found, return an empty string.
  if (empty($rule_names)) {
    return '';
  }

  // Otherwise sort to ensure the names are in alphabetical order and return the
  // imploded module key.
  sort($rule_names);
  return implode('|', $rule_names);
}