AssignmentEntity.java

AssignmentEntity.java

// set the item to be accessible only to the specific groups.
    // null to make it accessible to the whole site
    public void setGroups(Collection<String> groups) {
  if (assignment == null)
	    assignment = getAssignment(id);
	if (assignment == null)
	    return;

	String siteId = ToolManager.getCurrentPlacement().getContext();
	Site site = null;
	String ref = "/assignment/a/" + siteId + "/" + id;

	try {
	    site = SiteService.getSite(siteId);
	} catch (Exception e) {
	    log.warn("Unable to find site " + siteId, e);
	    return;
	}

	AssignmentEdit edit = null;
	
	try {
	    edit = AssignmentService.editAssignment(ref);
	} catch (IdUnusedException e) {
	    log.warn("ID unused ", e);
	    return;
	} catch (PermissionException e) {
	    log.warn(e);
	    return;
	} catch (InUseException e) {
	    log.warn(e);
	    return;
	}

	boolean doCancel = true;

	try {
	    // need this to make sure we always unlock
	    
	    if (groups != null && groups.size() > 0) {
		List<Group> groupObjs = new ArrayList<Group>();
		
		for (String groupId : groups) {
		    Group group = site.getGroup(groupId);
		    if (group != null)
			groupObjs.add(group);
		}

		edit.setGroupAccess(groupObjs);
	    } else {
		edit.setAccess(Assignment.AssignmentAccess.SITE);
		edit.clearGroupAccess();
	    }

	    AssignmentService.commitEdit(edit);
	    doCancel = false;
	    return;

	} catch (Exception e) {
	    log.warn(e);
	    return;
	} finally {
	    if (doCancel) {
		AssignmentService.commitEdit(edit);
	    }
	}

    }