function availability_calendar_plugin_argument_validate_date_range::validate_argument in Availability Calendars 7.4

Same name and namespace in other branches

1. 7.5 views/availability_calendar_plugin_argument_validate_date_range.inc \availability_calendar_plugin_argument_validate_date_range::validate_argument()

Overrides views_plugin_argument_validate::validate_argument

File

views/availability_calendar_plugin_argument_validate_date_range.inc, line 6

Class

availability_calendar_plugin_argument_validate_date_range

Validates whether an argument is a date (range) or not.

Code

function validate_argument($argument) {
  if (module_exists('date_api')) {
    module_load_include('inc', 'date_api', 'date_api_sql');
    $date_handler = new date_sql_handler(DATE_UNIX);
    $date_parts = $date_handler
      ->arg_parts($argument);
    $min_date = new DateObject($date_handler
      ->complete_date($date_parts[0]['date'], 'min'));
    if (count($min_date->errors) > 0) {
      return FALSE;
    }
    else {
      $now = new DateObject();
      $now
        ->setTime(0, 0, 0);
      if (count($date_parts) === 1) {
        return $min_date >= $now;
      }
      else {
        $max_date = new DateObject($date_handler
          ->complete_date($date_parts[1]['date'], 'min'));
        return count($max_date->errors) === 0 && $min_date >= $now && $min_date <= $max_date;
      }
    }
  }
  else {
    $date_parts = explode('--', $argument);
    $min_date = availability_calendar_parse_iso_date($date_parts[0]);
    if (!$min_date) {
      return FALSE;
    }
    else {
      $now = new DateTime();
      $now
        ->setTime(0, 0, 0);
      if (count($date_parts) === 1) {
        return $min_date >= $now;
      }
      else {
        $max_date = availability_calendar_parse_iso_date($date_parts[1]);
        return $max_date !== FALSE && $min_date >= $now && $min_date <= $max_date;
      }
    }
  }
}