/**
* Gets the followers of a following specified by the given following id and follow type.
*
* @param followingId the given following id
* @param followingType the specified following type
* @param currentPageNum the specified current page number
* @param pageSize the specified page size
* @return result json object, for example,
* <pre>
* {
* "paginationRecordCount": int,
* "rslts": java.util.List[{
* "oId": "",
* "followerId": "",
* "followingId": "",
* "followingType": int
* }, ....]
* }
* </pre>
*
* @throws RepositoryException repository exception
*/
private JSONObject getFollowers(
final String followingId,
final int followingType,
final int currentPageNum,
final int pageSize)
throws RepositoryException {
final List<Filter> filters = new ArrayList<Filter>();
filters.add(new PropertyFilter(Follow.FOLLOWING_ID, FilterOperator.EQUAL, followingId));
filters.add(new PropertyFilter(Follow.FOLLOWING_TYPE, FilterOperator.EQUAL, followingType));
final Query query =
new Query()
.addSort(Keys.OBJECT_ID, SortDirection.DESCENDING)
.setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters))
.setPageSize(pageSize)
.setCurrentPageNum(currentPageNum);
final JSONObject result = followRepository.get(query);
final List<JSONObject> records =
CollectionUtils.<JSONObject>jsonArrayToList(result.optJSONArray(Keys.RESULTS));
final int recordCnt =
result.optJSONObject(Pagination.PAGINATION).optInt(Pagination.PAGINATION_RECORD_COUNT);
final JSONObject ret = new JSONObject();
ret.put(Keys.RESULTS, (Object) records);
ret.put(Pagination.PAGINATION_RECORD_COUNT, recordCnt);
return ret;
}
/**
* Gets the latest comments with the specified fetch size.
*
* <p>The returned comments content is plain text.
*
* @param fetchSize the specified fetch size
* @return the latest comments, returns an empty list if not found
* @throws ServiceException service exception
*/
public List<JSONObject> getLatestComments(final int fetchSize) throws ServiceException {
final Query query =
new Query()
.addSort(Comment.COMMENT_CREATE_TIME, SortDirection.DESCENDING)
.setCurrentPageNum(1)
.setPageSize(fetchSize)
.setPageCount(1);
try {
final JSONObject result = commentRepository.get(query);
final List<JSONObject> ret =
CollectionUtils.<JSONObject>jsonArrayToList(result.optJSONArray(Keys.RESULTS));
for (final JSONObject comment : ret) {
comment.put(Comment.COMMENT_CREATE_TIME, comment.optLong(Comment.COMMENT_CREATE_TIME));
final String articleId = comment.optString(Comment.COMMENT_ON_ARTICLE_ID);
final JSONObject article = articleRepository.get(articleId);
comment.put(
Comment.COMMENT_T_ARTICLE_TITLE,
Emotions.clear(article.optString(Article.ARTICLE_TITLE)));
comment.put(
Comment.COMMENT_T_ARTICLE_PERMALINK, article.optString(Article.ARTICLE_PERMALINK));
final String commenterId = comment.optString(Comment.COMMENT_AUTHOR_ID);
final JSONObject commenter = userRepository.get(commenterId);
if (UserExt.USER_STATUS_C_INVALID == commenter.optInt(UserExt.USER_STATUS)
|| Comment.COMMENT_STATUS_C_INVALID == comment.optInt(Comment.COMMENT_STATUS)) {
comment.put(Comment.COMMENT_CONTENT, langPropsService.get("commentContentBlockLabel"));
}
if (Article.ARTICLE_TYPE_C_DISCUSSION == article.optInt(Article.ARTICLE_TYPE)) {
comment.put(Comment.COMMENT_CONTENT, "....");
}
String content = comment.optString(Comment.COMMENT_CONTENT);
content = Emotions.clear(content);
content = Jsoup.clean(content, Whitelist.none());
if (StringUtils.isBlank(content)) {
comment.put(Comment.COMMENT_CONTENT, "....");
} else {
comment.put(Comment.COMMENT_CONTENT, content);
}
final String commenterEmail = comment.optString(Comment.COMMENT_AUTHOR_EMAIL);
final String avatarURL = avatarQueryService.getAvatarURL(commenterEmail);
commenter.put(UserExt.USER_AVATAR_URL, avatarURL);
comment.put(Comment.COMMENT_T_COMMENTER, commenter);
}
return ret;
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets user comments failed", e);
throw new ServiceException(e);
}
}
@Override
public List<JSONObject> getMostUsedTags(final int num) throws RepositoryException {
final Query query =
new Query()
.addSort(Tag.TAG_PUBLISHED_REFERENCE_COUNT, SortDirection.DESCENDING)
.setCurrentPageNum(1)
.setPageSize(num)
.setPageCount(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
return CollectionUtils.jsonArrayToList(array);
}
/**
* Gets the article comments with the specified article id, page number and page size.
*
* @param articleId the specified article id
* @param currentPageNum the specified page number
* @param pageSize the specified page size
* @return comments, return an empty list if not found
* @throws ServiceException service exception
*/
public List<JSONObject> getArticleComments(
final String articleId, final int currentPageNum, final int pageSize)
throws ServiceException {
final Query query =
new Query()
.addSort(Comment.COMMENT_CREATE_TIME, SortDirection.DESCENDING)
.setPageCount(1)
.setCurrentPageNum(currentPageNum)
.setPageSize(pageSize)
.setFilter(
new PropertyFilter(Comment.COMMENT_ON_ARTICLE_ID, FilterOperator.EQUAL, articleId));
try {
final JSONObject result = commentRepository.get(query);
final List<JSONObject> ret =
CollectionUtils.<JSONObject>jsonArrayToList(result.optJSONArray(Keys.RESULTS));
organizeComments(ret);
return ret;
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets article [" + articleId + "] comments failed", e);
throw new ServiceException(e);
}
}
/**
* Gets comments by the specified request json object.
*
* @param requestJSONObject the specified request json object, for example,
* <pre>
* {
* "paginationCurrentPageNum": 1,
* "paginationPageSize": 20,
* "paginationWindowSize": 10,
* }, see {@link Pagination} for more details
* </pre>
*
* @param commentFields the specified article fields to return
* @return for example,
* <pre>
* {
* "pagination": {
* "paginationPageCount": 100,
* "paginationPageNums": [1, 2, 3, 4, 5]
* },
* "comments": [{
* "oId": "",
* "commentContent": "",
* "commentCreateTime": "",
* ....
* }, ....]
* }
* </pre>
*
* @throws ServiceException service exception
* @see Pagination
*/
public JSONObject getComments(
final JSONObject requestJSONObject, final Map<String, Class<?>> commentFields)
throws ServiceException {
final JSONObject ret = new JSONObject();
final int currentPageNum = requestJSONObject.optInt(Pagination.PAGINATION_CURRENT_PAGE_NUM);
final int pageSize = requestJSONObject.optInt(Pagination.PAGINATION_PAGE_SIZE);
final int windowSize = requestJSONObject.optInt(Pagination.PAGINATION_WINDOW_SIZE);
final Query query =
new Query()
.setCurrentPageNum(currentPageNum)
.setPageSize(pageSize)
.addSort(Comment.COMMENT_CREATE_TIME, SortDirection.DESCENDING);
for (final Map.Entry<String, Class<?>> commentField : commentFields.entrySet()) {
query.addProjection(commentField.getKey(), commentField.getValue());
}
JSONObject result = null;
try {
result = commentRepository.get(query);
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets comments failed", e);
throw new ServiceException(e);
}
final int pageCount =
result.optJSONObject(Pagination.PAGINATION).optInt(Pagination.PAGINATION_PAGE_COUNT);
final JSONObject pagination = new JSONObject();
ret.put(Pagination.PAGINATION, pagination);
final List<Integer> pageNums =
Paginator.paginate(currentPageNum, pageSize, pageCount, windowSize);
pagination.put(Pagination.PAGINATION_PAGE_COUNT, pageCount);
pagination.put(Pagination.PAGINATION_PAGE_NUMS, pageNums);
final JSONArray data = result.optJSONArray(Keys.RESULTS);
final List<JSONObject> comments = CollectionUtils.<JSONObject>jsonArrayToList(data);
try {
for (final JSONObject comment : comments) {
organizeComment(comment);
final String articleId = comment.optString(Comment.COMMENT_ON_ARTICLE_ID);
final JSONObject article = articleRepository.get(articleId);
comment.put(
Comment.COMMENT_T_ARTICLE_TITLE,
Article.ARTICLE_STATUS_C_INVALID == article.optInt(Article.ARTICLE_STATUS)
? langPropsService.get("articleTitleBlockLabel")
: Emotions.convert(article.optString(Article.ARTICLE_TITLE)));
comment.put(
Comment.COMMENT_T_ARTICLE_PERMALINK, article.optString(Article.ARTICLE_PERMALINK));
}
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Organizes comments failed", e);
throw new ServiceException(e);
}
ret.put(Comment.COMMENTS, comments);
return ret;
}
/**
* Gets the user comments with the specified user id, page number and page size.
*
* @param userId the specified user id
* @param currentPageNum the specified page number
* @param pageSize the specified page size
* @param viewer the specified viewer, may be {@code null}
* @return user comments, return an empty list if not found
* @throws ServiceException service exception
*/
public List<JSONObject> getUserComments(
final String userId, final int currentPageNum, final int pageSize, final JSONObject viewer)
throws ServiceException {
final Query query =
new Query()
.addSort(Comment.COMMENT_CREATE_TIME, SortDirection.DESCENDING)
.setCurrentPageNum(currentPageNum)
.setPageSize(pageSize)
.setFilter(new PropertyFilter(Comment.COMMENT_AUTHOR_ID, FilterOperator.EQUAL, userId));
try {
final JSONObject result = commentRepository.get(query);
final List<JSONObject> ret =
CollectionUtils.<JSONObject>jsonArrayToList(result.optJSONArray(Keys.RESULTS));
for (final JSONObject comment : ret) {
comment.put(
Comment.COMMENT_CREATE_TIME, new Date(comment.optLong(Comment.COMMENT_CREATE_TIME)));
final String articleId = comment.optString(Comment.COMMENT_ON_ARTICLE_ID);
final JSONObject article = articleRepository.get(articleId);
comment.put(
Comment.COMMENT_T_ARTICLE_TITLE,
Article.ARTICLE_STATUS_C_INVALID == article.optInt(Article.ARTICLE_STATUS)
? langPropsService.get("articleTitleBlockLabel")
: Emotions.convert(article.optString(Article.ARTICLE_TITLE)));
comment.put(Comment.COMMENT_T_ARTICLE_TYPE, article.optInt(Article.ARTICLE_TYPE));
comment.put(
Comment.COMMENT_T_ARTICLE_PERMALINK, article.optString(Article.ARTICLE_PERMALINK));
final JSONObject commenter = userRepository.get(userId);
comment.put(Comment.COMMENT_T_COMMENTER, commenter);
final String articleAuthorId = article.optString(Article.ARTICLE_AUTHOR_ID);
final JSONObject articleAuthor = userRepository.get(articleAuthorId);
final String articleAuthorName = articleAuthor.optString(User.USER_NAME);
final String articleAuthorURL = "/member/" + articleAuthor.optString(User.USER_NAME);
comment.put(Comment.COMMENT_T_ARTICLE_AUTHOR_NAME, articleAuthorName);
comment.put(Comment.COMMENT_T_ARTICLE_AUTHOR_URL, articleAuthorURL);
final String articleAuthorEmail = articleAuthor.optString(User.USER_EMAIL);
final String articleAuthorThumbnailURL =
avatarQueryService.getAvatarURL(articleAuthorEmail);
comment.put(Comment.COMMENT_T_ARTICLE_AUTHOR_THUMBNAIL_URL, articleAuthorThumbnailURL);
if (Article.ARTICLE_TYPE_C_DISCUSSION == article.optInt(Article.ARTICLE_TYPE)) {
final String msgContent =
langPropsService
.get("articleDiscussionLabel")
.replace(
"{user}",
"<a href='"
+ Latkes.getServePath()
+ "/member/"
+ articleAuthorName
+ "'>"
+ articleAuthorName
+ "</a>");
if (null == viewer) {
comment.put(Comment.COMMENT_CONTENT, msgContent);
} else {
final String commenterName = commenter.optString(User.USER_NAME);
final String viewerUserName = viewer.optString(User.USER_NAME);
final String viewerRole = viewer.optString(User.USER_ROLE);
if (!commenterName.equals(viewerUserName) && !Role.ADMIN_ROLE.equals(viewerRole)) {
final String articleContent = article.optString(Article.ARTICLE_CONTENT);
final Set<String> userNames = userQueryService.getUserNames(articleContent);
boolean invited = false;
for (final String userName : userNames) {
if (userName.equals(viewerUserName)) {
invited = true;
break;
}
}
if (!invited) {
comment.put(Comment.COMMENT_CONTENT, msgContent);
}
}
}
}
processCommentContent(comment);
}
return ret;
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, "Gets user comments failed", e);
throw new ServiceException(e);
}
}