UpdatePermissionRootCommand.java

package edu.harvard.iq.dataverse.engine.command.impl;

import edu.harvard.iq.dataverse.Dataverse;
import edu.harvard.iq.dataverse.authorization.Permission;
import edu.harvard.iq.dataverse.engine.command.AbstractCommand;
import edu.harvard.iq.dataverse.engine.command.CommandContext;
import edu.harvard.iq.dataverse.engine.command.DataverseRequest;
import edu.harvard.iq.dataverse.engine.command.exception.CommandException;
import java.util.Collections;
import java.util.Map;
import java.util.Set;

/**
 * Updates the permission root-ness of a DvObjectContainer.
 * @author michael
 */
// no annotations here, since permissions are dynamically decided
public class UpdatePermissionRootCommand extends AbstractCommand<Dataverse> {
    
	private final boolean newValue;
	private final Dataverse dvoc;
    
	public UpdatePermissionRootCommand(boolean newValue, DataverseRequest aRequest, Dataverse anAffectedDataverse) {
		super(aRequest, anAffectedDataverse);
		this.newValue = newValue;
		dvoc = anAffectedDataverse;
	}
	
	@Override
	public Dataverse execute( final CommandContext ctxt) throws CommandException {
		if ( dvoc.isPermissionRoot() == newValue ) {
            return dvoc;

        } else {
			dvoc.setPermissionRoot(newValue);
            return ctxt.dataverses().save(dvoc);
		}
	}

    @Override
    public Map<String, Set<Permission>> getRequiredPermissions() {
        // for data file check permission on owning dataset
        return Collections.singletonMap("",
                dvoc instanceof Dataverse ? Collections.singleton(Permission.ManageDataversePermissions)
                : Collections.singleton(Permission.ManageDatasetPermissions));
    }
        
}