pinapi_rules.module

<?php

/**
 * @file
 * Provides integration of Pin API with rules.
 */

/**
 * Implements hook_pinapi_txn().
 */
function pinapi_rules_pinapi_txn($op, &$txn) {
  // Map hook operations to rules events.
  $event = NULL;
  switch ( $op ) {
    case 'create':
      $event = 'pinapi_event_txn_create';
      break;

    case 'pre redeem':
      $event = 'pinapi_event_txn_pre_redeem';
      break;

    case 'redeem':
      $event = 'pinapi_event_txn_redeem';
      break;
  }

  // Invoke rules event.
  if ( !is_null($event) ) {
    try {
      // Load wrapped user entity so we can act on the object.
      $txn->user = entity_metadata_wrapper('user', $txn->uid);
      // Invoke rules event.
      rules_invoke_event($event, $txn);
    }
    catch ( EntityMetadataWrapperException $e ) {
      // @TODO: Add exception logic.
    }
  }
}