function _taxonomy_edge_taxonomy_term_insert in Taxonomy Edge 6

Same name and namespace in other branches

1. 8 taxonomy_edge.module \_taxonomy_edge_taxonomy_term_insert()
2. 7.2 taxonomy_edge.module \_taxonomy_edge_taxonomy_term_insert()
3. 7 taxonomy_edge.module \_taxonomy_edge_taxonomy_term_insert()

Insert a term into the edge tree.

Parameters

type $term:

2 calls to _taxonomy_edge_taxonomy_term_insert()

taxonomy_edge_process_queue_item in ./taxonomy_edge.module

Cron queue worker Process edge for a queued term.

taxonomy_edge_taxonomy_term_insert in ./taxonomy_edge.module

Implements hook_taxonomy_term_insert().

File

./taxonomy_edge.module, line 444

Selecting all children of a given taxonomy term can be a pain. This module makes it easier to do this, by maintaining a complete list of edges for each term using the adjecency matrix graph theory.

Code

function _taxonomy_edge_taxonomy_term_insert($term) {
  $vocabulary = taxonomy_vocabulary_load($term->vid);

  // Derive proper parents.
  $parents = _taxonomy_edge_unify_parents($term->parent);
  if ($term->tid > 0) {
    $tx = _taxonomy_edge_db_transaction();
    db_query("INSERT INTO {term_edge} (vid, tid, parent) VALUES(%d, %d, %d)", $term->vid, $term->tid, $term->tid);
    $args = $parents;
    array_unshift($args, $term->tid);
    array_unshift($args, $term->vid);
    $args[] = $term->vid;
    $placeholders = db_placeholders($parents);
    db_query("INSERT INTO {term_edge} (vid, tid, parent, distance)\n      SELECT %d AS vid, %d AS tid, e.parent, e.distance + 1 AS distance\n      FROM {term_edge} e\n      WHERE e.tid IN ({$placeholders})\n      AND e.vid = %d\n    ", $args);
    taxonomy_edge_invalidate_order($term->vid);
  }
  else {
    watchdog('taxonomy_edge', 'Invalid term-id (%tid) received', array(
      '%tid' => $term->tid,
    ), WATCHDOG_ERROR);
  }
}