public static function TaxonomyManagerHelper::massAddTerms in Taxonomy Manager 8

Same name and namespace in other branches

1. 2.0.x src/TaxonomyManagerHelper.php \Drupal\taxonomy_manager\TaxonomyManagerHelper::massAddTerms()

Helper function for mass adding of terms.

Parameters

string $input: The textual input with terms. Each line contains a single term. Child term can be prefixed with a dash '-' (one dash for each level). Term names starting with a dash and should not become a child term need to be wrapped in quotes.

int $vid: The vocabulary id.

int $parents: An array of parent term ids for the new inserted terms. Can be 0.

array $term_names_too_long: Return value that is used to indicate that some term names were too long and truncated to 255 characters.

Return value

array An array of the newly inserted term objects

1 call to TaxonomyManagerHelper::massAddTerms()

AddTermsToVocabularyForm::submitForm in src/Form/AddTermsToVocabularyForm.php

Form submission handler.

File

src/TaxonomyManagerHelper.php, line 46

Class

TaxonomyManagerHelper

Class for taxonomy manager helper.

Namespace

Drupal\taxonomy_manager

Code

public static function massAddTerms($input, $vid, $parents, array &$term_names_too_long = []) {
  $new_terms = [];
  $terms = explode("\n", str_replace("\r", '', $input));
  $parents = !empty($parents) ? $parents : 0;

  // Stores the current lineage of newly inserted terms.
  $last_parents = [];
  foreach ($terms as $name) {
    if (empty($name)) {
      continue;
    }
    $matches = [];

    // Child term prefixed with one or more dashes.
    if (preg_match('/^(-){1,}/', $name, $matches)) {
      $depth = strlen($matches[0]);
      $name = substr($name, $depth);
      $current_parents = isset($last_parents[$depth - 1]) ? [
        $last_parents[$depth - 1]
          ->id(),
      ] : 0;
    }
    elseif (preg_match('/^\\"(-){1,}.*\\"/', $name, $matches)) {
      $name = substr($name, 1, -1);
      $depth = 0;
      $current_parents = $parents;
    }
    else {
      $depth = 0;
      $current_parents = $parents;
    }

    // Truncate long string names that will cause database exceptions.
    if (strlen($name) > 255) {
      $term_names_too_long[] = $name;
      $name = substr($name, 0, 255);
    }
    $filter_formats = filter_formats();
    $format = array_pop($filter_formats);
    $values = [
      'name' => $name,
      // @todo do we need to set a format?
      'format' => $format
        ->id(),
      'vid' => $vid,
      // @todo default language per vocabulary setting?
      'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
    ];
    if (!empty($current_parents)) {
      foreach ($current_parents as $p) {
        $values['parent'][] = [
          'target_id' => $p,
        ];
      }
    }
    $term = \Drupal::entityTypeManager()
      ->getStorage('taxonomy_term')
      ->create($values);
    $term
      ->save();
    $new_terms[] = $term;
    $last_parents[$depth] = $term;
  }
  return $new_terms;
}