Method _createAdminMenuItem

/**
 * Creates the menu item in the database. If the item already exists it tries to remove it and create it afresh.
 *
 * @param   array    &$data     The menu item data to create
 * @param   integer  $parentId  The parent menu item ID
 *
 * @return  boolean|integer  Menu item ID on success, false on failure
 *
 * @throws  \Exception
 *
 * @since   3.1
 */
protected function _createAdminMenuItem(array &$data, $parentId)
{
    $db = $this->parent->getDbo();
    /** @var  \Joomla\CMS\Table\Menu  $table */
    $table = Table::getInstance('menu');
    try {
        $table->setLocation($parentId, 'last-child');
    } catch (\InvalidArgumentException $e) {
        Log::add($e->getMessage(), Log::WARNING, 'jerror');
        return false;
    }
    if (!$table->bind($data) || !$table->check() || !$table->store()) {
        $menutype = $data['menutype'];
        $link = $data['link'];
        $type = $data['type'];
        $menuParentId = $data['parent_id'];
        $home = $data['home'];
        // The menu item already exists. Delete it and retry instead of throwing an error.
        $query = $db->getQuery(true)->select($db->quoteName('id'))->from($db->quoteName('#__menu'))->where([$db->quoteName('menutype') . ' = :menutype', $db->quoteName('client_id') . ' = 1', $db->quoteName('link') . ' = :link', $db->quoteName('type') . ' = :type', $db->quoteName('parent_id') . ' = :parent_id', $db->quoteName('home') . ' = :home'])->bind(':menutype', $menutype)->bind(':link', $link)->bind(':type', $type)->bind(':parent_id', $menuParentId, ParameterType::INTEGER)->bind(':home', $home, ParameterType::BOOLEAN);
        $db->setQuery($query);
        $menu_id = $db->loadResult();
        if (!$menu_id) {
            // Oops! Could not get the menu ID. Go back and rollback changes.
            Factory::getApplication()->enqueueMessage($table->getError(), 'error');
            return false;
        } else {
            /** @var  \Joomla\CMS\Table\Menu $temporaryTable */
            $temporaryTable = Table::getInstance('menu');
            $temporaryTable->delete($menu_id, true);
            $temporaryTable->load($parentId);
            $temporaryTable->rebuild($parentId, $temporaryTable->lft, $temporaryTable->level, $temporaryTable->path);
            // Retry creating the menu item
            $table->setLocation($parentId, 'last-child');
            if (!$table->bind($data) || !$table->check() || !$table->store()) {
                // Install failed, warn user and rollback changes
                Factory::getApplication()->enqueueMessage($table->getError(), 'error');
                return false;
            }
        }
    }
    return $table->id;
}