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

Example 11 with CourseTreeVisitor

use of org.olat.course.run.userview.CourseTreeVisitor 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 12 with CourseTreeVisitor

use of org.olat.course.run.userview.CourseTreeVisitor 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 13 with CourseTreeVisitor

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

the class ForumCourseNodeWebService method getForumContent.

@Path("{nodeId}/forum")
public ForumWebService getForumContent(@PathParam("courseId") Long courseId, @PathParam("nodeId") String nodeId, @Context HttpServletRequest request) {
    ICourse course = CoursesWebService.loadCourse(courseId);
    if (course == null) {
        throw new WebApplicationException(Response.serverError().status(Status.NOT_FOUND).build());
    } else if (!CourseWebService.isCourseAccessible(course, false, request)) {
        throw new WebApplicationException(Response.serverError().status(Status.UNAUTHORIZED).build());
    }
    CourseNode courseNode = course.getRunStructure().getNode(nodeId);
    if (courseNode == null || !(courseNode instanceof FOCourseNode)) {
        throw new WebApplicationException(Response.serverError().status(Status.NOT_FOUND).build());
    }
    UserRequest ureq = getUserRequest(request);
    CourseTreeVisitor courseVisitor = new CourseTreeVisitor(course, ureq.getUserSession().getIdentityEnvironment());
    if (courseVisitor.isAccessible(courseNode, new VisibleTreeFilter())) {
        FOCourseNode forumNode = (FOCourseNode) courseNode;
        Forum forum = forumNode.loadOrCreateForum(course.getCourseEnvironment());
        return new ForumWebService(forum);
    } else {
        throw new WebApplicationException(Response.serverError().status(Status.UNAUTHORIZED).build());
    }
}

Example 14 with CourseTreeVisitor

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

the class MyForumsWebService method getForums.

/**
 * Retrieves a list of forums on a user base. All forums of groups
 * where the user is participant/tutor + all forums in course where
 * the user is a participant (owner, tutor or participant)
 * @response.representation.200.qname {http://www.example.com}forumVO
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The forums
 * @response.representation.200.example {@link org.olat.modules.fo.restapi.Examples#SAMPLE_FORUMVO}
 * @response.representation.401.doc The roles of the authenticated user are not sufficient
 * @param identityKey The key of the user (IdentityImpl)
 * @param httpRequest The HTTP request
 * @return The forums
 */
@GET
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response getForums(@PathParam("identityKey") Long identityKey, @Context HttpServletRequest httpRequest) {
    Roles roles;
    Identity retrievedUser = getIdentity(httpRequest);
    if (retrievedUser == null) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    } else if (!identityKey.equals(retrievedUser.getKey())) {
        if (isAdmin(httpRequest)) {
            retrievedUser = BaseSecurityManager.getInstance().loadIdentityByKey(identityKey);
            roles = BaseSecurityManager.getInstance().getRoles(retrievedUser);
        } else {
            return Response.serverError().status(Status.UNAUTHORIZED).build();
        }
    } else {
        roles = getRoles(httpRequest);
    }
    Map<Long, Long> groupNotified = new HashMap<Long, Long>();
    Map<Long, Collection<Long>> courseNotified = new HashMap<Long, Collection<Long>>();
    final Set<Long> subscriptions = new HashSet<Long>();
    NotificationsManager man = NotificationsManager.getInstance();
    {
        // collect subscriptions
        List<String> notiTypes = Collections.singletonList("Forum");
        List<Subscriber> subs = man.getSubscribers(retrievedUser, notiTypes);
        for (Subscriber sub : subs) {
            String resName = sub.getPublisher().getResName();
            Long forumKey = Long.parseLong(sub.getPublisher().getData());
            subscriptions.add(forumKey);
            if ("BusinessGroup".equals(resName)) {
                Long groupKey = sub.getPublisher().getResId();
                groupNotified.put(groupKey, forumKey);
            } else if ("CourseModule".equals(resName)) {
                Long courseKey = sub.getPublisher().getResId();
                if (!courseNotified.containsKey(courseKey)) {
                    courseNotified.put(courseKey, new ArrayList<Long>());
                }
                courseNotified.get(courseKey).add(forumKey);
            }
        }
    }
    final List<ForumVO> forumVOs = new ArrayList<ForumVO>();
    final IdentityEnvironment ienv = new IdentityEnvironment(retrievedUser, roles);
    for (Map.Entry<Long, Collection<Long>> e : courseNotified.entrySet()) {
        final Long courseKey = e.getKey();
        final Collection<Long> forumKeys = e.getValue();
        final ICourse course = CourseFactory.loadCourse(courseKey);
        new CourseTreeVisitor(course, ienv).visit(new Visitor() {

            @Override
            public void visit(INode node) {
                if (node instanceof FOCourseNode) {
                    FOCourseNode forumNode = (FOCourseNode) node;
                    ForumVO forumVo = ForumCourseNodeWebService.createForumVO(course, forumNode, subscriptions);
                    if (forumKeys.contains(forumVo.getForumKey())) {
                        forumVOs.add(forumVo);
                    }
                }
            }
        }, new VisibleTreeFilter());
    }
    /*
		RepositoryManager rm = RepositoryManager.getInstance();
		ACService acManager = CoreSpringFactory.getImpl(ACService.class);
		SearchRepositoryEntryParameters repoParams = new SearchRepositoryEntryParameters(retrievedUser, roles, "CourseModule");
		repoParams.setOnlyExplicitMember(true);
		List<RepositoryEntry> entries = rm.genericANDQueryWithRolesRestriction(repoParams, 0, -1, true);
		for(RepositoryEntry entry:entries) {
			AccessResult result = acManager.isAccessible(entry, retrievedUser, false);
			if(result.isAccessible()) {
				try {
					final ICourse course = CourseFactory.loadCourse(entry.getOlatResource());
					final IdentityEnvironment ienv = new IdentityEnvironment(retrievedUser, roles);
					new CourseTreeVisitor(course, ienv).visit(new Visitor() {
						@Override
						public void visit(INode node) {
							if(node instanceof FOCourseNode) {
								FOCourseNode forumNode = (FOCourseNode)node;	
								ForumVO forumVo = ForumCourseNodeWebService.createForumVO(course, forumNode, subscriptions);
								forumVOs.add(forumVo);
							}
						}
					});
				} catch (Exception e) {
					log.error("", e);
				}
			}
		}*/
    // start found forums in groups
    BusinessGroupService bgs = CoreSpringFactory.getImpl(BusinessGroupService.class);
    SearchBusinessGroupParams params = new SearchBusinessGroupParams(retrievedUser, true, true);
    params.addTools(CollaborationTools.TOOL_FORUM);
    List<BusinessGroup> groups = bgs.findBusinessGroups(params, null, 0, -1);
    // list forum keys
    List<Long> groupIds = new ArrayList<Long>();
    Map<Long, BusinessGroup> groupsMap = new HashMap<Long, BusinessGroup>();
    for (BusinessGroup group : groups) {
        if (groupNotified.containsKey(group.getKey())) {
            ForumVO forumVo = new ForumVO();
            forumVo.setName(group.getName());
            forumVo.setGroupKey(group.getKey());
            forumVo.setForumKey(groupNotified.get(group.getKey()));
            forumVo.setSubscribed(true);
            forumVOs.add(forumVo);
            groupIds.remove(group.getKey());
        } else {
            groupIds.add(group.getKey());
            groupsMap.put(group.getKey(), group);
        }
    }
    PropertyManager pm = PropertyManager.getInstance();
    List<Property> forumProperties = pm.findProperties(OresHelper.calculateTypeName(BusinessGroup.class), groupIds, PROP_CAT_BG_COLLABTOOLS, KEY_FORUM);
    for (Property prop : forumProperties) {
        Long forumKey = prop.getLongValue();
        if (forumKey != null && groupsMap.containsKey(prop.getResourceTypeId())) {
            BusinessGroup group = groupsMap.get(prop.getResourceTypeId());
            ForumVO forumVo = new ForumVO();
            forumVo.setName(group.getName());
            forumVo.setGroupKey(group.getKey());
            forumVo.setForumKey(prop.getLongValue());
            forumVo.setSubscribed(false);
            forumVOs.add(forumVo);
        }
    }
    ForumVOes voes = new ForumVOes();
    voes.setForums(forumVOs.toArray(new ForumVO[forumVOs.size()]));
    voes.setTotalCount(forumVOs.size());
    return Response.ok(voes).build();
}

Example 15 with CourseTreeVisitor

use of org.olat.course.run.userview.CourseTreeVisitor in project OpenOLAT by OpenOLAT.

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;
}