private function MenuLeaf::buildLinkUrl in Taxonomy Facets 8

1 call to MenuLeaf::buildLinkUrl()

MenuLeaf::__construct in src/MenuLeaf.php

File

src/MenuLeaf.php, line 56

Class

MenuLeaf

Namespace

Drupal\taxonomy_facets

Code

private function buildLinkUrl() {
  $url = [];
  $noTermFromCurrentVocabularyFound = TRUE;
  $filters = null;
  if ($this->filtersObject) {
    $filters = $this->filtersObject
      ->getAppliedFilters();
  }
  if ($filters) {

    // Loop trough applied filters.
    foreach ($filters as $filter) {

      // if filter is from current vocabulary than apply this leaf url alias
      // instead of already applied filter
      if ($filter
        ->getVocabularyId() == $this->vid) {
        $obj = new \stdClass();
        $obj->vid = $this->vid;
        $obj->url = $this->urlAlias;
        $url[] = $obj;
        $noTermFromCurrentVocabularyFound = FALSE;
      }
      else {
        $obj = new \stdClass();
        $obj->vid = $filter
          ->getVocabularyId();
        $obj->url = ltrim($filter
          ->url(), "/");
        $url[] = $obj;
      }
    }
  }

  // If filters from this vocabulary were not in the applied filters than
  // also apply the alias from the current leaf
  if ($noTermFromCurrentVocabularyFound == TRUE) {
    $obj = new \stdClass();
    $obj->vid = $this->vid;
    $obj->url = $this->urlAlias;
    $url[] = $obj;
  }

  // @TODO replace 'listings' hard coded string with user configurable variable.
  $this->linkUrl = $this
    ->getLanguagePrefix() . '/listings';

  // Now order url aliases (filters) by vocabulary id so that we preserve
  // order, so we don't end up with duplicate pages for same filter
  // combinations.
  usort($url, function ($a, $b) {
    if ($a->vid == $b->vid) {
      return 0;
    }
    return $a->vid < $b->vid ? -1 : 1;
  });
  foreach ($url as $u) {
    $this->linkUrl .= '/' . $u->url;
  }
}