Examples with ServiceException org.b3log.latke.service.ServiceException used on opensource projects

Example 21 with ServiceException

use of org.b3log.latke.service.ServiceException in project solo by b3log.

the class CommentMgmtService method removeArticleComment.

/**
     * Removes a comment of an article with the specified comment id.
     *
     * @param commentId the given comment id
     * @throws ServiceException service exception
     */
public void removeArticleComment(final String commentId) throws ServiceException {
    final Transaction transaction = commentRepository.beginTransaction();
    try {
        final JSONObject comment = commentRepository.get(commentId);
        final String articleId = comment.getString(Comment.COMMENT_ON_ID);
        // Step 1: Remove comment
        commentRepository.remove(commentId);
        // Step 2: Update article comment count
        decArticleCommentCount(articleId);
        // Step 3: Update blog statistic comment count
        statisticMgmtService.decBlogCommentCount();
        statisticMgmtService.decPublishedBlogCommentCount();
        transaction.commit();
    } catch (final Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        LOGGER.log(Level.ERROR, "Removes a comment of an article failed", e);
        throw new ServiceException(e);
    }
}

Example 22 with ServiceException

use of org.b3log.latke.service.ServiceException in project solo by b3log.

the class TagQueryService method getTagByTitle.

/**
     * Gets a tag by the specified tag title.
     *
     * @param tagTitle the specified tag title
     * @return for example,      <pre>
     * {
     *     "tag": {
     *         "oId": "",
     *         "tagTitle": "",
     *         "tagReferenceCount": int,
     *         "tagPublishedRefCount": int
     *     }
     * }
     * </pre>, returns {@code null} if not found
     *
     * @throws ServiceException service exception
     */
public JSONObject getTagByTitle(final String tagTitle) throws ServiceException {
    try {
        final JSONObject ret = new JSONObject();
        final JSONObject tag = tagRepository.getByTitle(tagTitle);
        if (null == tag) {
            return null;
        }
        ret.put(Tag.TAG, tag);
        LOGGER.log(Level.DEBUG, "Got an tag[title={0}]", tagTitle);
        return ret;
    } catch (final RepositoryException e) {
        LOGGER.log(Level.ERROR, "Gets an article failed", e);
        throw new ServiceException(e);
    }
}

Example 23 with ServiceException

use of org.b3log.latke.service.ServiceException in project solo by b3log.

the class TagQueryService method getTags.

/**
     * Gets all tags.
     *
     * @return for example,      <pre>
     * [
     *     {"tagTitle": "", "tagReferenceCount": int, ....},
     *     ....
     * ]
     * </pre>, returns an empty list if not found
     *
     * @throws ServiceException service exception
     */
public List<JSONObject> getTags() throws ServiceException {
    try {
        final Query query = new Query().setPageCount(1);
        final JSONObject result = tagRepository.get(query);
        final JSONArray tagArray = result.optJSONArray(Keys.RESULTS);
        return CollectionUtils.jsonArrayToList(tagArray);
    } catch (final RepositoryException e) {
        LOGGER.log(Level.ERROR, "Gets tags failed", e);
        throw new ServiceException(e);
    }
}

Example 24 with ServiceException

use of org.b3log.latke.service.ServiceException in project solo by b3log.

the class TagQueryService method getTopTags.

/**
     * Gets top (reference count descending) tags.
     *
     * @param fetchSize the specified fetch size
     * @return for example,      <pre>
     * [
     *     {"tagTitle": "", "tagReferenceCount": int, ....},
     *     ....
     * ]
     * </pre>, returns an empty list if not found
     *
     * @throws ServiceException service exception
     */
public List<JSONObject> getTopTags(final int fetchSize) throws ServiceException {
    try {
        final Query query = new Query().setPageCount(1).setPageSize(fetchSize).addSort(Tag.TAG_PUBLISHED_REFERENCE_COUNT, SortDirection.DESCENDING);
        final JSONObject result = tagRepository.get(query);
        final JSONArray tagArray = result.optJSONArray(Keys.RESULTS);
        return CollectionUtils.jsonArrayToList(tagArray);
    } catch (final RepositoryException e) {
        LOGGER.log(Level.ERROR, "Gets top tags failed", e);
        throw new ServiceException(e);
    }
}

Example 25 with ServiceException

use of org.b3log.latke.service.ServiceException in project solo by b3log.

the class ArticleProcessor method showAuthorArticles.

/**
     * Shows author articles with the specified context.
     *
     * @param context the specified context
     * @param request the specified request
     * @param response the specified response
     * @throws IOException io exception
     * @throws JSONException json exception
     */
@RequestProcessing(value = "/authors/**", method = HTTPRequestMethod.GET)
public void showAuthorArticles(final HTTPRequestContext context, final HttpServletRequest request, final HttpServletResponse response) throws IOException, JSONException {
    final AbstractFreeMarkerRenderer renderer = new FreeMarkerRenderer();
    context.setRenderer(renderer);
    renderer.setTemplateName("author-articles.ftl");
    try {
        String requestURI = request.getRequestURI();
        if (!requestURI.endsWith("/")) {
            requestURI += "/";
        }
        final String authorId = getAuthorId(requestURI);
        LOGGER.log(Level.DEBUG, "Request author articles[requestURI={0}, authorId={1}]", new Object[] { requestURI, authorId });
        final int currentPageNum = getAuthorCurrentPageNum(requestURI, authorId);
        if (-1 == currentPageNum) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        LOGGER.log(Level.DEBUG, "Request author articles[authorId={0}, currentPageNum={1}]", new Object[] { authorId, currentPageNum });
        final JSONObject preference = preferenceQueryService.getPreference();
        if (null == preference) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final int pageSize = preference.getInt(Option.ID_C_ARTICLE_LIST_DISPLAY_COUNT);
        final int windowSize = preference.getInt(Option.ID_C_ARTICLE_LIST_PAGINATION_WINDOW_SIZE);
        final JSONObject result = userQueryService.getUser(authorId);
        if (null == result) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final JSONObject author = result.getJSONObject(User.USER);
        final String authorEmail = author.getString(User.USER_EMAIL);
        final List<JSONObject> articles = articleQueryService.getArticlesByAuthorEmail(authorEmail, currentPageNum, pageSize);
        if (articles.isEmpty()) {
            try {
                response.sendError(HttpServletResponse.SC_NOT_FOUND);
                return;
            } catch (final IOException ex) {
                LOGGER.error(ex.getMessage());
            }
        }
        filler.setArticlesExProperties(request, articles, author, preference);
        if (preference.optBoolean(Option.ID_C_ENABLE_ARTICLE_UPDATE_HINT)) {
            Collections.sort(articles, Comparators.ARTICLE_UPDATE_DATE_COMPARATOR);
        } else {
            Collections.sort(articles, Comparators.ARTICLE_CREATE_DATE_COMPARATOR);
        }
        final int articleCount = author.getInt(UserExt.USER_PUBLISHED_ARTICLE_COUNT);
        final int pageCount = (int) Math.ceil((double) articleCount / (double) pageSize);
        final List<Integer> pageNums = Paginator.paginate(currentPageNum, pageSize, pageCount, windowSize);
        final Map<String, Object> dataModel = renderer.getDataModel();
        prepareShowAuthorArticles(pageNums, dataModel, pageCount, currentPageNum, articles, author);
        filler.fillBlogHeader(request, response, dataModel, preference);
        filler.fillBlogFooter(request, dataModel, preference);
        filler.fillSide(request, dataModel, preference);
        Skins.fillLangs(preference.optString(Option.ID_C_LOCALE_STRING), (String) request.getAttribute(Keys.TEMAPLTE_DIR_NAME), dataModel);
        statisticMgmtService.incBlogViewCount(request, response);
    } catch (final ServiceException e) {
        LOGGER.log(Level.ERROR, e.getMessage(), e);
        try {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
        } catch (final IOException ex) {
            LOGGER.error(ex.getMessage());
        }
    }
}