function course_node_delete in Course 7

Same name and namespace in other branches

1. 7.2 course.module \course_node_delete()

Implements hook_node_delete().

File

./course.module, line 819

course.module Core functionality for Courses.

Code

function course_node_delete($node) {
  if (course_node_is_course($node)) {

    // Clean up course specific settings and enrollments when a course is
    // deleted.
    db_delete('course_node')
      ->condition('nid', $node->nid)
      ->execute();
    db_delete('course_enrollment')
      ->condition('nid', $node->nid)
      ->execute();
    db_delete('course_report')
      ->condition('nid', $node->nid)
      ->execute();
    $query = db_select('course_outline', 'co');
    $query
      ->join('course_outline_fulfillment', 'cof', 'co.coid = cof.coid');
    $result = $query
      ->fields('co')
      ->condition('co.nid', $node->nid)
      ->execute();
    while ($row = $result
      ->fetch()) {
      db_delete('course_outline_fulfillment')
        ->condition('coid', $row->coid)
        ->execute();
    }
    db_delete('course_outline')
      ->condition('nid', $node->nid)
      ->execute();
  }
}