package org.alfresco.extension;

import java.util.Set;

import org.alfresco.repo.security.permissions.DynamicAuthority;
import org.alfresco.repo.security.permissions.PermissionReference;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.namespace.QName;

public class SimpleDynamicAuthority implements DynamicAuthority {
	private static final String AUTHORITY_NAME = "SIMPLE_DYNAMIC_AUTHORITY";
	private static final String FORBIDDEN_ITEM_NAME = "Private item";
	private static final String FORBIDDEN_FOR_USERNAME = "bart.simpson";

	private NodeService nodeService;
	private boolean doGrantAuthority = true

	public boolean hasAuthority(NodeRef nodeRef, String username) {
		String name = (String) nodeService.getProperty(nodeRef, QName.createQName("{http://www.alfresco.org/model/content/1.0}name"));
		
		if(name.startsWith(FORBIDDEN_ITEM_NAME) && FORBIDDEN_FOR_USERNAME.equals(username)){
			doGrantAuthority = false;
		}
		return doGrantAuthority;
	}
	
	public String getAuthority() {
		return AUTHORITY_NAME;
	}

	public Set<PermissionReference> requiredFor() {
		return null; // required for all checks
	}
	
	public void setNodeService(NodeService nodeService) {
		this.nodeService = nodeService;
	}
}