public List getNotebooksForExperimentCreation()

in server/src/main/java/com/epam/indigoeln/core/service/notebook/NotebookService.java [179:223]
40 lines of code
4 McCabe index (conditional complexity)

    public List<ShortEntityDTO> getNotebooksForExperimentCreation(User user) {
        val notebookCollection = mongoTemplate.getCollection(Notebook.COLLECTION_NAME);
        val userCollection = mongoTemplate.getCollection(User.COLLECTION_NAME);

        val notebooks = new HashMap<Object, Document>();

        if (PermissionUtil.isContentEditor(user)) {
            notebookCollection
                    .find()
                    .forEach(n -> notebooks.put(n.get("_id"), n));
        } else {
            notebookCollection
                    .find(new Document()
                            .append("accessList", new Document()
                                    .append("$elemMatch", new Document()
                                            .append("user.$id", user.getId())
                                            .append("permissions", new Document()
                                                    .append("$in", Collections.singletonList(UserPermission.CREATE_SUB_ENTITY))))))
                    .forEach(n -> notebooks.put(n.get("_id"), n));
        }

        val userIds = new HashSet<Object>();
        notebooks
                .values()
                .forEach(n -> {
                    if (n.get("author") != null) {
                        userIds.add(((DBRef) n.get("author")).getId());
                    }
                    if (n.get("lastModifiedBy") != null) {
                        userIds.add(((DBRef) n.get("lastModifiedBy")).getId());
                    }
                });

        val users = new HashMap<Object, Document>();
        userCollection
                .find(new Document("_id", new Document("$in", userIds)))
                .forEach(u -> users.put(u.get("_id"), u));

        return notebooks
                .values()
                .stream()
                .map(n -> new ShortEntityDTO(n, users))
                .sorted(Comparator.comparing(ShortEntityDTO::getName))
                .collect(toList());
    }