@RequestMapping(value = "/tweet", method = RequestMethod.DELETE)
 public void delete(@RequestParam("tid") long tid) {
   messageRepo.deleteByTid(tid);
   tweetTweetRepo.deleteByTid(tid);
   userTweetRepo.deleteByTid(tid);
   tweetRepo.delete(tid);
 }
 @RequestMapping(value = "/tweet", method = RequestMethod.GET)
 public Tweet get(@RequestParam("uid") long uid, @RequestParam("tid") long tid) {
   Tweet tweet = tweetRepo.findOne(tid);
   tweet.setStar(
       userTweetRepo.findByUidAndTidAndUserTweetType(
               uid, tweet.getId(), UserTweet.UserTweetType.STAR)
           != null);
   TweetTweet tweetTweet =
       tweetTweetRepo.findByTidAndTweetTweetType(tweet.getId(), TweetTweet.TweetTweetType.REPEAT);
   if (tweetTweet != null) {
     Tweet originTweet = tweetRepo.findOne(tweetTweet.getTid2());
     originTweet.setStar(
         userTweetRepo.findByUidAndTidAndUserTweetType(
                 uid, originTweet.getId(), UserTweet.UserTweetType.STAR)
             != null);
     tweet.setOriginTweet(originTweet);
   }
   return tweet;
 }
  // 新建Tweet
  @RequestMapping(value = "/tweet", method = RequestMethod.POST)
  public Tweet add(
      @RequestParam("prompt") String prompt,
      @RequestParam("originTid") long originTid,
      @RequestParam("tweet") MultipartFile tweetFile,
      @RequestParam("image") MultipartFile[] images)
      throws IOException {

    // 保持userTweet
    String tweetJSON = new String(tweetFile.getBytes());
    Tweet tweet = new Gson().fromJson(URLDecoder.decode(tweetJSON, "UTF8"), Tweet.class);
    long uid = tweet.getUid();
    User user = userRepo.findOne(uid);

    if (user.getUserType() == User.UserType.SPECIAL && originTid > 0) { // 超级用户
      Tweet t = tweetRepo.findOne(originTid);
      tweet = new Tweet();
      tweet.setUid(uid);
      tweet.setName(user.getName());
      tweet.setIcon(user.getAvatar());
      tweet.setTweetType(Tweet.TweetType.SPECIAL);
      tweet.setTweetContentType(tweet.getTweetContentType());
      tweet.setTitle(t.getTitle());
      tweet.setSummary(t.getSummary());
      tweet.setImages(t.getImages());
      tweet.setContent(t.getContent());
      tweet.setLat(t.getLat());
      tweet.setLon(t.getLon());
      tweet.setLocation(t.location);
      tweet.setTime(Utils.getTime());
      tweet.setDate(System.currentTimeMillis());
      originTid = 0;
      prompt = null;

    } else {
      String content = tweet.getContent();
      tweet.setSummary(content);
      content = content.replace(" ", "&nbsp;").replace("\n", "<br>");
      Pattern pattern = Pattern.compile("@[^\\p{P}|\\p{S}|\\p{Z}|\\p{M}]*");
      String mContent = content;
      Matcher matcher = pattern.matcher(mContent);
      while (matcher.find()) {
        int start = matcher.start();
        int end = matcher.end();
        String p = mContent.substring(start, end);
        content =
            content.replace(
                p, Constants.TWEET_ADD_PROMPT_HTML.replace(Constants.TWEET_HTML_PROMPT_TAG, p));
      }

      List<String> imageUrls = new ArrayList<>();
      StringBuffer imageContent = new StringBuffer();
      if (images != null) {
        for (MultipartFile image : images) {
          String imageUrl = Utils.image(image);
          if (!StringUtils.isEmpty(imageUrl)) {
            imageUrls.add(imageUrl);
            imageContent.append(
                Constants.TWEET_ADD_IMAGE_HTML.replace(Constants.TWEET_HTML_IMAGE_TAG, imageUrl));
          }
        }
        tweet.setImages(String.join(";", imageUrls));
      }
      tweet.setContent(
          Utils.content(
              Constants.TWEET_ADD_HTML
                  .replace(Constants.TWEET_HTML_CONTENT_TAG, content)
                  .replace(Constants.TWEET_HTML_IMAGES_TAG, imageContent)));
      tweet.setTime(Utils.getTime());
      tweet.setDate(System.currentTimeMillis());
    }

    tweet = tweetRepo.saveAndFlush(tweet);

    UserTweet userTweet = new UserTweet();
    userTweet.setUid(uid);
    userTweet.setTid(tweet.getId());
    userTweet.setUserTweetType(UserTweet.UserTweetType.ADD);
    userTweetRepo.saveAndFlush(userTweet);

    // 保存@ 并且发送message
    if (!StringUtils.isEmpty(prompt)) {
      String[] uids = prompt.split(";");
      for (String id : uids) {
        // 保存@
        UserTweet ut = new UserTweet();
        ut.setUid(Long.valueOf(id));
        ut.setTid(tweet.getId());
        ut.setUserTweetType(UserTweet.UserTweetType.PROMPT);
        userTweetRepo.saveAndFlush(ut);

        // 保存@ message
        Message message = new Message();
        message.setUid(uid);
        message.setUid2(Long.valueOf(id));
        message.setTid(tweet.getId());
        message.setMessageType(Message.MessageType.PROMPT);
        message.setTitle(user.getName());
        message.setContent(user.getName());
        message.setIcon(user.getAvatar());
        message.setTime(Utils.getTime());
        message.setDate(System.currentTimeMillis());
        Utils.message(messageRepo.saveAndFlush(message));
      }
    }

    // 查找转发的tweet
    if (originTid > 0) {
      Tweet originTweet = tweetRepo.findOne(originTid);
      tweet.setOriginTweet(originTweet);
      TweetTweet tweetTweet = new TweetTweet();
      tweetTweet.setTid(tweet.getId());
      tweetTweet.setTid2(originTid);
      tweetTweet.setTweetTweetType(TweetTweet.TweetTweetType.REPEAT);
      tweetTweetRepo.saveAndFlush(tweetTweet);

      originTweet.setRepeatCount(originTweet.getRepeatCount() + 1);
      tweetRepo.saveAndFlush(originTweet);
    }

    return tweet;
  }
  @RequestMapping(value = "/tweet/list", method = RequestMethod.GET)
  public List<Tweet> gets(
      @RequestParam("getsType") GetsType getsType,
      @RequestParam("uid") long uid,
      @RequestParam("keyword") String keyword,
      @RequestParam("pageIndex") int pageIndex,
      @RequestParam("pageSize") int pageSize) {
    PageRequest pageRequest = new PageRequest(pageIndex, pageSize, Sort.Direction.DESC, "date");
    Page<Tweet> tweets = null;
    if (getsType != GetsType.VIDEO) {
      List<Long> uids = new ArrayList<>();

      if (uid > 0 && (getsType == GetsType.HOME || getsType == GetsType.USER)) {
        uids.add(uid);
      }
      if (getsType != GetsType.USER) {
        List<User> users = new ArrayList<>();
        if (uid > 0) {
          users.addAll(
              userRepo.findAll(
                  userUserRepo.findUid2sByUidAndUserUserType(uid, UserUser.UserUserType.FOCUS)));
        } else {
          users.add(userRepo.findByName(Constants.SPECIAL_BREAK));
          users.add(userRepo.findByName(Constants.NEWS_YINGCHAO));
          users.add(userRepo.findByName(Constants.NEWS_XIJIA));
          users.add(userRepo.findByName(Constants.NEWS_DEJIA));
          users.add(userRepo.findByName(Constants.NEWS_YIJIA));
          users.add(userRepo.findByName(Constants.NEWS_FAJIA));
          users.add(userRepo.findByName(Constants.NEWS_ZHONGCHAO));
          users.add(userRepo.findByName(Constants.NEWS_OUGUAN));
          users.add(userRepo.findByName(Constants.NEWS_HUABIAN));
          users.add(userRepo.findByName(Constants.NEWS_VIDEO));
        }
        for (User user : users) {
          if (getsType == GetsType.HOME
              && (user.getUserType() == User.UserType.NORMAL
                  || user.getUserType() == User.UserType.SPECIAL)) {
            uids.add(user.getId());
          } else if (getsType == GetsType.TEAM && user.getUserType() == User.UserType.TEAM) {
            uids.add(user.getId());
          } else if (getsType == GetsType.NEWS && user.getUserType() == User.UserType.NEWS) {
            uids.add(user.getId());
          }
        }
      }

      if (getsType != GetsType.SEARCH) {
        if (uids.size() > 0) {
          List<Long> tids =
              userTweetRepo.findTidsByUidsAndUserTweetType(uids, UserTweet.UserTweetType.ADD);
          tweets = tweetRepo.findByIdIn(tids, pageRequest);
        }
      } else if (!StringUtils.isEmpty(keyword)) {
        keyword = "%" + keyword + "%";
        tweets =
            tweetRepo
                .findByNameLikeIgnoreCaseOrTitleLikeIgnoreCaseOrSourceLikeIgnoreCaseOrSummaryLikeIgnoreCase(
                    keyword, keyword, keyword, keyword, pageRequest);
      }
    } else {
      tweets = tweetRepo.findByTweetContentType(Tweet.TweetContentType.VIDEO, pageRequest);
    }

    if (tweets != null) {
      for (Tweet tweet : tweets) {
        tweet.setStar(
            userTweetRepo.findByUidAndTidAndUserTweetType(
                    uid, tweet.getId(), UserTweet.UserTweetType.STAR)
                != null);
        TweetTweet tweetTweet =
            tweetTweetRepo.findByTidAndTweetTweetType(
                tweet.getId(), TweetTweet.TweetTweetType.REPEAT);
        if (tweetTweet != null) {
          Tweet originTweet = tweetRepo.findOne(tweetTweet.getTid2());
          originTweet.setStar(
              userTweetRepo.findByUidAndTidAndUserTweetType(
                      uid, originTweet.getId(), UserTweet.UserTweetType.STAR)
                  != null);
          tweet.setOriginTweet(originTweet);
        }
      }
      return tweets.getContent();
    } else {
      return new ArrayList<>();
    }
  }