This function is used in a hook_insert, hook_update for a node form when the relationships form has been added to the form. It retrieves all of the relationships and returns them in an array of the format:

$relationships[<type_id>][<rank>] = array( 'subject_id' => <subject_id>, 'object_id' => <object_id>, );

This array can then be used for inserting or updating relationships manually

Parameters

$node:

Return value

A relationship array

Related topics

File

tripal_core/api/tripal_core.chado_nodes.relationships.api.inc, line 934

API to manage the chado _relationship table for various Tripal Node Types

Code

function chado_retrieve_node_form_relationships($node) {
  $rels = array();

  if (isset($node->relationship_table)) {
    foreach ($node->relationship_table as $type_id => $elements) {
      if ($type_id != 'new' AND $type_id != 'details') {
        foreach ($elements as $rank => $relationships) {
          $rels[$type_id][$rank]['subject_id'] = $relationships['subject_id'];
          $rels[$type_id][$rank]['object_id'] = $relationships['object_id'];
        }
      }
    }
  }

  return $rels;
}