protected function SqlGroupGraphStorage::insertEdge in Subgroup (Graph) 1.0.x

Relates the parent group to the child group.

This method only creates the relationship from the parent group to the child group and not any of the inferred relationships based on what other relationships the parent group and the child group already have.

Parameters

int $parent_group_id: The ID of the parent group.

int $child_group_id: The ID of the child group.

Return value

int The ID of the new edge relating the parent group to the child group.

1 call to SqlGroupGraphStorage::insertEdge()

SqlGroupGraphStorage::addEdge in src/Graph/SqlGroupGraphStorage.php

Relates the parent group and the child group.

File

src/Graph/SqlGroupGraphStorage.php, line 262

Class

SqlGroupGraphStorage

SQL based storage of the group relationship graph.

Namespace

Drupal\ggroup\Graph

Code

protected function insertEdge($parent_group_id, $child_group_id) {
  $new_edge_id = $this->connection
    ->insert('group_graph')
    ->fields([
    'start_vertex' => $parent_group_id,
    'end_vertex' => $child_group_id,
    'hops' => 0,
  ])
    ->execute();
  $this->connection
    ->update('group_graph')
    ->fields([
    'entry_edge_id' => $new_edge_id,
    'exit_edge_id' => $new_edge_id,
    'direct_edge_id' => $new_edge_id,
  ])
    ->condition('id', $new_edge_id)
    ->execute();
  return $new_edge_id;
}