Examples with QuestionRelationList i5.las2peer.services.noracleService.model.QuestionRelationList used on opensource projects

Example 1 with QuestionRelationList

use of i5.las2peer.services.noracleService.model.QuestionRelationList in project Distributed-Noracle-Backend by Distributed-Noracle.

the class NoracleQuestionRelationService method getQuestionRelations.

@Override
public QuestionRelationList getQuestionRelations(String spaceId, String order, Integer limit, Integer startAt) throws ServiceInvocationException {
    if (spaceId == null || spaceId.isEmpty()) {
        throw new InvocationBadArgumentException("No space id given");
    } else if (limit != null && limit <= 0) {
        throw new InvocationBadArgumentException("Invalid limit given");
    } else if (startAt != null && startAt < 1) {
        throw new InvocationBadArgumentException("Invalid startAt given");
    }
    if (order == null || order.isEmpty()) {
        order = "asc";
    }
    if (limit == null) {
        limit = 10;
    }
    if (startAt == null) {
        startAt = 1;
    }
    int direction = order.equalsIgnoreCase("desc") ? -1 : 1;
    QuestionRelationList result = new QuestionRelationList();
    for (int relationNumber = startAt; relationNumber < startAt + direction * limit; relationNumber += direction) {
        try {
            Envelope spaceQuestionRelationEnv;
            try {
                spaceQuestionRelationEnv = Context.get().requestEnvelope(buildSpaceQuestionRelationNumberId(spaceId, relationNumber));
            } catch (EnvelopeNotFoundException e) {
                break;
            }
            String questionId = (String) spaceQuestionRelationEnv.getContent();
            Envelope questionEnv = Context.get().requestEnvelope(getQuestionRelationEnvelopeIdentifier(questionId));
            result.add((QuestionRelation) questionEnv.getContent());
        } catch (Exception e) {
        // XXX logging
        }
    }
    return result;
}

Example 2 with QuestionRelationList

use of i5.las2peer.services.noracleService.model.QuestionRelationList in project Distributed-Noracle-Backend by Distributed-Noracle.

the class QuestionRelationsResource method getQuestions.

@GET
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiResponses({ @ApiResponse(code = HttpURLConnection.HTTP_OK, message = "A list of relations from the network", response = QuestionRelationList.class), @ApiResponse(code = HttpURLConnection.HTTP_BAD_REQUEST, message = "No space id given", response = ExceptionEntity.class), @ApiResponse(code = HttpURLConnection.HTTP_FORBIDDEN, message = "Access Denied", response = ExceptionEntity.class), @ApiResponse(code = HttpURLConnection.HTTP_INTERNAL_ERROR, message = "Internal Server Error", response = ExceptionEntity.class) })
public Response getQuestions(@PathParam("spaceId") String spaceId, @QueryParam("order") String order, @QueryParam("limit") Integer limit, @QueryParam("startAt") Integer startAt) throws ServiceInvocationException {
    QuestionRelationList questionRelationList = getQuestionRelations(spaceId, order, limit, startAt);
    VotedQuestionRelationList votedQuestionRelationList = new VotedQuestionRelationList();
    for (QuestionRelation questionRelation : questionRelationList) {
        VotedQuestionRelation votedQuestionRelation = new VotedQuestionRelation(questionRelation);
        String objectId = RelationVotesResource.buildObjectId(spaceId, questionRelation.getRelationId());
        Serializable rmiResult = Context.get().invoke(new ServiceNameVersion(NoracleVoteService.class.getCanonicalName(), NoracleService.API_VERSION), "getAllVotes", objectId);
        if (rmiResult instanceof VoteList) {
            votedQuestionRelation.setVotes((VoteList) rmiResult);
        }
        votedQuestionRelationList.add(votedQuestionRelation);
    }
    ResponseBuilder responseBuilder = Response.ok(votedQuestionRelationList);
    String queryOrder = order != null ? "order=" + order : "";
    String queryLimit = limit != null ? "limit=" + Integer.toString(limit) : "";
    String queryStartAt = "";
    if (startAt != null && limit != null) {
        if (order.equalsIgnoreCase("desc")) {
            queryStartAt = "startat=" + Integer.toString(startAt - limit);
        } else {
            queryStartAt = "startat=" + Integer.toString(startAt + limit);
        }
    }
    String nextLinkStr = "";
    for (String param : new String[] { queryOrder, queryLimit, queryStartAt }) {
        if (param != null && !param.isEmpty()) {
            if (nextLinkStr.isEmpty()) {
                nextLinkStr += "?";
            } else {
                nextLinkStr += "&";
            }
            nextLinkStr += param;
        }
    }
    if (!nextLinkStr.isEmpty()) {
        responseBuilder.header(HttpHeaders.LINK, "<" + nextLinkStr + ">; rel=\"next\"");
    }
    return responseBuilder.build();
}