protected static function Filter::buildTree in JSON:API Search API 8

Organizes the flat, normalized filter items into a tree structure.

Parameters

array $root: The root of the tree to build.

array $items: The normalized entity conditions and groups.

Return value

\Drupal\jsonapi\Query\EntityConditionGroup The entity condition group

1 call to Filter::buildTree()

Filter::buildEntityConditionGroup in src/Query/Filter.php

Denormalizes the given filter items into a single EntityConditionGroup.

File

src/Query/Filter.php, line 267

Class

Filter

Gathers information about the filter parameter.

Namespace

Drupal\jsonapi_search_api\Query

Code

protected static function buildTree(array $root, array $items) {
  $id = $root['id'];

  // Recursively build a tree of denormalized conditions and condition groups.
  $members = [];
  foreach ($items as $item) {
    if ($item[static::MEMBER_KEY] == $id) {
      if (isset($item[static::GROUP_KEY])) {
        array_push($members, static::buildTree($item, $items));
      }
      elseif (isset($item[static::CONDITION_KEY])) {
        $condition = EntityCondition::createFromQueryParameter($item[static::CONDITION_KEY]);
        array_push($members, $condition);
      }
    }
  }
  $root[static::GROUP_KEY]['members'] = $members;

  // Denormalize the root into a condition group.
  return new EntityConditionGroup($root[static::GROUP_KEY]['conjunction'], $root[static::GROUP_KEY]['members']);
}