protected function Filter::buildGroup in JSON:API 8

Same name and namespace in other branches

1. 8.2 src/Query/Filter.php \Drupal\jsonapi\Query\Filter::buildGroup()

Applies the root condition to the given query.

Parameters

\Drupal\Entity\Query\QueryInterface $query: The query to which the filter should be applied.

\Drupal\Entity\Query\EntityConditionGroup $condition_group: The condition group to build.

Return value

\Drupal\Entity\Query\QueryInterface The query with the filter applied.

1 call to Filter::buildGroup()

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

Applies the root condition to the given query.

File

src/Query/Filter.php, line 70

Class

Filter

Gathers information about the filter parameter.

Namespace

Drupal\jsonapi\Query

Code

protected function buildGroup(QueryInterface $query, EntityConditionGroup $condition_group) {

  // Create a condition group using the original query.
  switch ($condition_group
    ->conjunction()) {
    case 'AND':
      $group = $query
        ->andConditionGroup();
      break;
    case 'OR':
      $group = $query
        ->orConditionGroup();
      break;
  }

  // Get all children of the group.
  $members = $condition_group
    ->members();
  foreach ($members as $member) {

    // If the child is simply a condition, add it to the new group.
    if ($member instanceof EntityCondition) {
      if ($member
        ->operator() == 'IS NULL') {
        $group
          ->notExists($member
          ->field());
      }
      elseif ($member
        ->operator() == 'IS NOT NULL') {
        $group
          ->exists($member
          ->field());
      }
      else {
        $group
          ->condition($member
          ->field(), $member
          ->value(), $member
          ->operator());
      }
    }
    elseif ($member instanceof EntityConditionGroup) {

      // Add the subgroup to this new group.
      $subgroup = $this
        ->buildGroup($query, $member);
      $group
        ->condition($subgroup);
    }
  }

  // Return the constructed group so that it can be added to the query.
  return $group;
}