function commerce_registration_registration_count_comparison in Commerce Registration 7.3

Condition callback. Compare the total number of registrations on the line item.

Related topics

File

./commerce_registration.rules.inc, line 188

Commerce Registration rules file.

Code

function commerce_registration_registration_count_comparison($line_item, $operator, $amount) {
  $line_item_wrapper = entity_metadata_wrapper('commerce_line_item', $line_item);
  $registrations = $line_item_wrapper->registrations
    ->value();
  if (!is_array($registrations)) {
    return FALSE;
  }
  $total = 0;

  // Get the total registration count. There is at most a depth of 2.
  foreach ($registrations as $registration) {
    if (is_array($registration)) {
      $total += count($registration);
    }
    else {
      $total++;
    }
  }
  switch ($operator) {
    case '=':
      return $total == $amount;
    case '>=':
      return $total >= $amount;
    case '>':
      return $total > $amount;
    case '<':
      return $total < $amount;
    case '<=':
      return $total <= $amount;
    case '!=':
      return $total != $amount;
  }
  return FALSE;
}