protected function WeatherDisplayForm::getFreeDisplayNumber in Weather 8

Same name and namespace in other branches

1. 2.0.x src/Form/WeatherDisplayForm.php \Drupal\weather\Form\WeatherDisplayForm::getFreeDisplayNumber()

Finds first free display number for given display type.

1 call to WeatherDisplayForm::getFreeDisplayNumber()

WeatherDisplayForm::save in src/Form/WeatherDisplayForm.php

Form submission handler for the 'save' action.

File

src/Form/WeatherDisplayForm.php, line 326

Class

WeatherDisplayForm

Form controller for the weather_display entity edit forms.

Namespace

Drupal\weather\Form

Code

protected function getFreeDisplayNumber(string $displayType) : int {

  // User display ID is always equal UID.
  if ($displayType == WeatherDisplayInterface::USER_TYPE) {
    return $this
      ->currentUser()
      ->id();
  }

  // Find next number for system-wide display.
  $used_numbers = Database::getConnection()
    ->select('weather_display', 'wd')
    ->fields('wd', [
    'number',
  ])
    ->condition('type', $displayType)
    ->execute();
  $free_number = 1;
  foreach ($used_numbers as $row) {
    if ($row->number > $free_number) {
      break;
    }
    else {
      $free_number++;
    }
  }
  return $free_number;
}