public function execute()
{
$post_id = $this->get('post_id', true);
$post_model = new blogPostModel();
$post = $post_model->getById($post_id);
if (!$post) {
throw new waAPIException('invalid_param', 'Post not found', 404);
}
$parent_id = waRequest::get('parent_comment_id');
$comment_model = new blogCommentModel();
$comments = $comment_model->getSubtree($post_id, $parent_id);
$stack = array();
$result = array();
foreach ($comments as $r) {
$r['comments'] = array();
// Number of stack items
$l = count($stack);
// Check if we're dealing with different levels
while ($l > 0 && $stack[$l - 1]['depth'] >= $r['depth']) {
array_pop($stack);
$l--;
}
// Stack is empty (we are inspecting the root)
if ($l == 0) {
// Assigning the root node
$i = count($result);
$result[$i] = $r;
$stack[] =& $result[$i];
} else {
// Add node to parent
$i = count($stack[$l - 1]['comments']);
$stack[$l - 1]['comments'][$i] = $r;
$stack[] =& $stack[$l - 1]['comments'][$i];
}
}
$this->response = $result;
$this->response['_element'] = 'comment';
}
