public static WikiNode getFirstVisibleNode(PortletRequest portletRequest)
throws PortalException, SystemException {
ThemeDisplay themeDisplay = (ThemeDisplay) portletRequest.getAttribute(WebKeys.THEME_DISPLAY);
WikiNode node = null;
int nodesCount = WikiNodeLocalServiceUtil.getNodesCount(themeDisplay.getScopeGroupId());
if (nodesCount == 0) {
Layout layout = themeDisplay.getLayout();
ServiceContext serviceContext =
ServiceContextFactory.getInstance(WikiNode.class.getName(), portletRequest);
serviceContext.setAddCommunityPermissions(true);
if (layout.isPublicLayout()) {
serviceContext.setAddGuestPermissions(true);
} else {
serviceContext.setAddGuestPermissions(false);
}
node = WikiNodeLocalServiceUtil.addDefaultNode(themeDisplay.getUserId(), serviceContext);
} else {
node = WikiUtil.getFirstNode(portletRequest);
if (node == null) {
throw new PrincipalException();
}
return node;
}
portletRequest.setAttribute(WebKeys.WIKI_NODE, node);
return node;
}
