Examples with VisibleTreeFilter org.olat.course.run.userview.VisibleTreeFilter used on opensource projects

Example 16 with VisibleTreeFilter

use of org.olat.course.run.userview.VisibleTreeFilter in project openolat by klemens.

the class CoursesInfosWebService method collect.

private CourseInfoVO collect(final Identity identity, final Roles roles, final RepositoryEntry entry, final Set<Long> forumNotified, final Map<Long, Set<String>> courseNotified) {
    CourseInfoVO info = new CourseInfoVO();
    info.setRepoEntryKey(entry.getKey());
    info.setSoftKey(entry.getSoftkey());
    info.setDisplayName(entry.getDisplayname());
    ACService acManager = CoreSpringFactory.getImpl(ACService.class);
    AccessResult result = acManager.isAccessible(entry, identity, false);
    if (result.isAccessible()) {
        try {
            final ICourse course = CourseFactory.loadCourse(entry);
            final List<FolderVO> folders = new ArrayList<FolderVO>();
            final List<ForumVO> forums = new ArrayList<ForumVO>();
            final IdentityEnvironment ienv = new IdentityEnvironment(identity, roles);
            new CourseTreeVisitor(course, ienv).visit(new Visitor() {

                @Override
                public void visit(INode node) {
                    if (node instanceof BCCourseNode) {
                        BCCourseNode bcNode = (BCCourseNode) node;
                        folders.add(BCWebService.createFolderVO(ienv, course, bcNode, courseNotified.get(course.getResourceableId())));
                    } else if (node instanceof FOCourseNode) {
                        FOCourseNode forumNode = (FOCourseNode) node;
                        forums.add(ForumCourseNodeWebService.createForumVO(course, forumNode, forumNotified));
                    }
                }
            }, new VisibleTreeFilter());
            info.setKey(course.getResourceableId());
            info.setTitle(course.getCourseTitle());
            info.setFolders(folders.toArray(new FolderVO[folders.size()]));
            info.setForums(forums.toArray(new ForumVO[forums.size()]));
        } catch (Exception e) {
            log.error("", e);
        }
    }
    return info;
}

Example 17 with VisibleTreeFilter

use of org.olat.course.run.userview.VisibleTreeFilter in project openolat by klemens.

the class CourseIndexer method checkAccess.

@Override
public boolean checkAccess(ContextEntry contextEntry, BusinessControl businessControl, Identity identity, Roles roles) {
    ContextEntry bcContextEntry = businessControl.popLauncherContextEntry();
    if (bcContextEntry == null) {
        // not a course node of course we have access to the course metadata
        return true;
    }
    if (isLogDebugEnabled())
        logDebug("Start identity=" + identity + "  roles=" + roles);
    Long repositoryKey = contextEntry.getOLATResourceable().getResourceableId();
    RepositoryEntry repositoryEntry = repositoryManager.lookupRepositoryEntry(repositoryKey);
    if (isLogDebugEnabled())
        logDebug("repositoryEntry=" + repositoryEntry);
    if (roles.isGuestOnly()) {
        if (repositoryEntry.getAccess() != RepositoryEntry.ACC_USERS_GUESTS) {
            return false;
        }
    }
    Long nodeId = bcContextEntry.getOLATResourceable().getResourceableId();
    if (isLogDebugEnabled())
        logDebug("nodeId=" + nodeId);
    ICourse course = CourseFactory.loadCourse(repositoryEntry);
    IdentityEnvironment ienv = new IdentityEnvironment();
    ienv.setIdentity(identity);
    ienv.setRoles(roles);
    UserCourseEnvironment userCourseEnv = new UserCourseEnvironmentImpl(ienv, course.getCourseEnvironment());
    if (isLogDebugEnabled())
        logDebug("userCourseEnv=" + userCourseEnv + "ienv=" + ienv);
    CourseNode rootCn = userCourseEnv.getCourseEnvironment().getRunStructure().getRootNode();
    String nodeIdS = nodeId.toString();
    CourseNode courseNode = course.getRunStructure().getNode(nodeIdS);
    if (isLogDebugEnabled())
        logDebug("courseNode=" + courseNode);
    TreeEvaluation treeEval = new TreeEvaluation();
    NodeEvaluation rootNodeEval = rootCn.eval(userCourseEnv.getConditionInterpreter(), treeEval, new VisibleTreeFilter());
    if (isLogDebugEnabled())
        logDebug("rootNodeEval=" + rootNodeEval);
    TreeNode newCalledTreeNode = treeEval.getCorrespondingTreeNode(courseNode);
    if (newCalledTreeNode == null) {
        // TreeNode no longer visible
        return false;
    }
    // go further
    NodeEvaluation nodeEval = (NodeEvaluation) newCalledTreeNode.getUserObject();
    if (isLogDebugEnabled())
        logDebug("nodeEval=" + nodeEval);
    if (nodeEval.getCourseNode() != courseNode)
        throw new AssertException("error in structure");
    if (!nodeEval.isVisible())
        throw new AssertException("node eval not visible!!");
    if (isLogDebugEnabled())
        logDebug("call mayAccessWholeTreeUp...");
    boolean mayAccessWholeTreeUp = NavigationHandler.mayAccessWholeTreeUp(nodeEval);
    if (isLogDebugEnabled())
        logDebug("call mayAccessWholeTreeUp=" + mayAccessWholeTreeUp);
    if (mayAccessWholeTreeUp) {
        CourseNodeIndexer courseNodeIndexer = getCourseNodeIndexer(courseNode);
        bcContextEntry.setTransientState(new CourseNodeEntry(courseNode));
        return courseNodeIndexer.checkAccess(bcContextEntry, businessControl, identity, roles) && super.checkAccess(bcContextEntry, businessControl, identity, roles);
    } else {
        return false;
    }
}

Example 18 with VisibleTreeFilter

use of org.olat.course.run.userview.VisibleTreeFilter in project openolat by klemens.

the class MergedCourseContainer method init.

protected void init(PersistingCourseImpl persistingCourse) {
    super.init();
    RepositoryEntry courseRe = persistingCourse.getCourseEnvironment().getCourseGroupManager().getCourseEntry();
    courseReadOnly = !overrideReadOnly && (courseRe.getRepositoryEntryStatus().isClosed() || courseRe.getRepositoryEntryStatus().isUnpublished());
    if (courseReadOnly) {
        setLocalSecurityCallback(new ReadOnlyCallback());
    }
    if (identityEnv == null || identityEnv.getRoles().isOLATAdmin()) {
        VFSContainer courseContainer = persistingCourse.getIsolatedCourseFolder();
        if (courseReadOnly) {
            courseContainer.setLocalSecurityCallback(new ReadOnlyCallback());
        }
        addContainersChildren(courseContainer, true);
    } else {
        RepositoryEntry re = persistingCourse.getCourseEnvironment().getCourseGroupManager().getCourseEntry();
        RepositoryEntrySecurity reSecurity = RepositoryManager.getInstance().isAllowed(identityEnv.getIdentity(), identityEnv.getRoles(), re);
        if (reSecurity.isEntryAdmin()) {
            VFSContainer courseContainer = persistingCourse.getIsolatedCourseFolder();
            if (courseReadOnly) {
                courseContainer.setLocalSecurityCallback(new ReadOnlyCallback());
            }
            addContainersChildren(courseContainer, true);
        }
    }
    initSharedFolder(persistingCourse);
    // add all course building blocks of type BC to a virtual folder
    MergeSource nodesContainer = new MergeSource(null, "_courseelementdata");
    if (identityEnv == null) {
        CourseNode rootNode = persistingCourse.getRunStructure().getRootNode();
        addFoldersForAdmin(persistingCourse, nodesContainer, rootNode);
    } else {
        TreeEvaluation treeEval = new TreeEvaluation();
        GenericTreeModel treeModel = new GenericTreeModel();
        UserCourseEnvironment userCourseEnv = new UserCourseEnvironmentImpl(identityEnv, persistingCourse.getCourseEnvironment());
        CourseNode rootCn = userCourseEnv.getCourseEnvironment().getRunStructure().getRootNode();
        NodeEvaluation rootNodeEval = rootCn.eval(userCourseEnv.getConditionInterpreter(), treeEval, new VisibleTreeFilter());
        TreeNode treeRoot = rootNodeEval.getTreeNode();
        treeModel.setRootNode(treeRoot);
        addFolders(persistingCourse, nodesContainer, treeRoot);
    }
    if (nodesContainer.getItems().size() > 0) {
        addContainer(nodesContainer);
    }
}

Example 19 with VisibleTreeFilter

use of org.olat.course.run.userview.VisibleTreeFilter in project openolat by klemens.

the class BCWebService method getFolder.

/**
 * Retrieves metadata of the course node
 * @response.representation.200.qname {http://www.example.com}folderVO
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The course node metadatas
 * @response.representation.200.example {@link org.olat.restapi.support.vo.Examples#SAMPLE_FOLDERVO}
 * @response.representation.401.doc The roles of the authenticated user are not sufficient
 * @response.representation.404.doc The course or parentNode not found
 * @param courseId The course resourceable's id
 * @param nodeId The node's id
 * @param httpRequest The HTTP request
 * @return The persisted structure element (fully populated)
 */
@GET
@Path("{nodeId}")
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public Response getFolder(@PathParam("courseId") Long courseId, @PathParam("nodeId") String nodeId, @Context HttpServletRequest httpRequest) {
    ICourse course = CoursesWebService.loadCourse(courseId);
    if (course == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    } else if (!CourseWebService.isCourseAccessible(course, false, httpRequest)) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    CourseNode courseNode = course.getRunStructure().getNode(nodeId);
    if (courseNode == null || !(courseNode instanceof BCCourseNode)) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    }
    UserRequest ureq = getUserRequest(httpRequest);
    boolean accessible = (new CourseTreeVisitor(course, ureq.getUserSession().getIdentityEnvironment())).isAccessible(courseNode, new VisibleTreeFilter());
    if (accessible) {
        Set<String> subscribed = new HashSet<String>();
        NotificationsManager man = NotificationsManager.getInstance();
        List<String> notiTypes = Collections.singletonList("FolderModule");
        List<Subscriber> subs = man.getSubscribers(ureq.getIdentity(), notiTypes);
        for (Subscriber sub : subs) {
            Long courseKey = sub.getPublisher().getResId();
            if (courseId.equals(courseKey)) {
                subscribed.add(sub.getPublisher().getSubidentifier());
            }
        }
        FolderVO folderVo = createFolderVO(ureq.getUserSession().getIdentityEnvironment(), course, (BCCourseNode) courseNode, subscribed);
        return Response.ok(folderVo).build();
    } else {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
}

Example 20 with VisibleTreeFilter

use of org.olat.course.run.userview.VisibleTreeFilter in project openolat by klemens.

the class CourseSite method createController.

@Override
protected MainLayoutController createController(UserRequest ureq, WindowControl wControl, SiteConfiguration config) {
    RepositoryManager rm = RepositoryManager.getInstance();
    RepositoryService rs = CoreSpringFactory.getImpl(RepositoryService.class);
    RepositoryEntry entry = rm.lookupRepositoryEntryBySoftkey(repositorySoftKey, false);
    if (entry == null) {
        return getAlternativeController(ureq, wControl, config);
    }
    MainLayoutController c;
    ICourse course = CourseFactory.loadCourse(entry);
    UserSession usess = ureq.getUserSession();
    // course-launch-state depending course-settings
    RepositoryEntrySecurity reSecurity = rm.isAllowed(ureq, entry);
    boolean isAllowedToLaunch = reSecurity.canLaunch();
    boolean hasAccess = false;
    if (isAllowedToLaunch) {
        // either check with securityCallback or use access-settings from course-nodes
        if (siteSecCallback != null) {
            hasAccess = siteSecCallback.isAllowedToLaunchSite(ureq);
        } else if (usess.isInAssessmentModeProcess() && !usess.matchLockResource(course)) {
            hasAccess = false;
        } else {
            // check within course: accessibility of course root node
            CourseNode rootNode = course.getRunStructure().getRootNode();
            UserCourseEnvironmentImpl uce = new UserCourseEnvironmentImpl(ureq.getUserSession().getIdentityEnvironment(), course.getCourseEnvironment());
            NodeEvaluation nodeEval = rootNode.eval(uce.getConditionInterpreter(), new TreeEvaluation(), new VisibleTreeFilter());
            boolean mayAccessWholeTreeUp = NavigationHandler.mayAccessWholeTreeUp(nodeEval);
            hasAccess = mayAccessWholeTreeUp && nodeEval.isVisible();
        }
    }
    // load course (admins always see content) or alternative controller if course is not launchable
    if (hasAccess || usess.getRoles().isOLATAdmin()) {
        rs.incrementLaunchCounter(entry);
        // build up the context path for linked course
        WindowControl bwControl = BusinessControlFactory.getInstance().createBusinessWindowControl(ureq, entry, new StateSite(this), wControl, true);
        CourseRuntimeController runCtr = new CourseRuntimeController(ureq, bwControl, entry, reSecurity, new RuntimeControllerCreator() {

            @Override
            public Controller create(UserRequest uureq, WindowControl wwControl, TooledStackedPanel toolbarPanel, RepositoryEntry re, RepositoryEntrySecurity security, AssessmentMode assessmentMode) {
                return new RunMainController(uureq, wwControl, toolbarPanel, CourseFactory.loadCourse(re), re, security, assessmentMode);
            }
        }, false, true);
        // Configure run controller
        // a: don't show close link, is opened as site not tab
        runCtr.setCourseCloseEnabled(false);
        // b: don't show toolbar
        if (!showToolController) {
            runCtr.setToolControllerEnabled(false);
        }
        c = runCtr;
    } else {
        // access restricted (not in group / author) -> show controller
        // defined in olat_extensions (type autoCreator)
        c = getAlternativeController(ureq, wControl, config);
    }
    return c;
}