Reorganize layout and code cleanup

1 files changed, 590 insertions, 0 deletions

diff --git a/src/main/java/com/juick/www/controllers/Site.java b/src/main/java/com/juick/www/controllers/Site.java
new file mode 100644
index 00000000..61b84f71
--- /dev/null
+++ b/src/main/java/com/juick/www/controllers/Site.java
@@ -0,0 +1,590 @@
+/*
+ * Copyright (C) 2008-2019, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.www.controllers;
+
+import com.juick.model.Message;
+import com.juick.model.Tag;
+import com.juick.model.User;
+import com.juick.formatters.PlainTextFormatter;
+import com.juick.server.Utils;
+import com.juick.server.util.HttpForbiddenException;
+import com.juick.server.util.HttpNotFoundException;
+import com.juick.server.util.WebUtils;
+import com.juick.www.WebApp;
+import com.juick.service.*;
+import com.juick.service.security.annotation.Visitor;
+import com.juick.util.MessageUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.tuple.Pair;
+import org.apache.commons.text.StringEscapeUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.*;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Controller
+public class Site {
+    @Inject
+    private UserService userService;
+    @Inject
+    private TagService tagService;
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private PMQueriesService pmQueriesService;
+    @Inject
+    private CrosspostService crosspostService;
+    @Inject
+    private WebApp webApp;
+
+    private void fillUserModel(ModelMap model, User user, User visitor) {
+        user.setAvatar(webApp.getAvatarWebPath(user));
+        model.addAttribute("user", user);
+        model.addAttribute("isSubscribed", userService.isSubscribed(visitor.getUid(), user.getUid()));
+        model.addAttribute("isInBL", userService.isInBL(visitor.getUid(), user.getUid()));
+        model.addAttribute("isInBLAny", userService.isInBLAny(user.getUid(), visitor.getUid()));
+        model.addAttribute("statsIRead", userService.getUserFriends(user.getUid()).size());
+        model.addAttribute("statsMyReaders", userService.getStatsMyReaders(user.getUid()));
+        model.addAttribute("statsMyBL", userService.getUserBLUsers(user.getUid()).size());
+        model.addAttribute("statsMessages", userService.getStatsMessages(user.getUid()));
+        model.addAttribute("statsReplies", userService.getStatsReplies(user.getUid()));
+        model.addAttribute("iread", userService.getUserReadLeastPopular(user.getUid(), 8));
+        model.addAttribute("tagStats", tagService.getUserTagStats(user.getUid())
+                .stream().sorted((e1, e2) -> Integer.compare(e2.getUsageCount(), e1.getUsageCount())).limit(20).map(t -> t.getTag().getName()).collect(Collectors.toList()));
+    }
+
+    @GetMapping("/")
+    protected String doGet(
+            @Visitor User visitor,
+            @RequestParam(required = false) String tag,
+            @RequestParam(name = "show", required = false) String paramShow,
+            @RequestParam(name = "search", required = false) String paramSearch,
+            @RequestParam(name = "before", required = false, defaultValue = "0") Integer paramBefore,
+            @RequestParam(name = "to", required = false, defaultValue = "0") Long paramTo,
+            @RequestParam(name = "page", required = false, defaultValue = "0") Integer page,
+            ModelMap model) {
+        if (tag != null) {
+            return "redirect:/tag/" + URLEncoder.encode(tag, StandardCharsets.UTF_8);
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+
+        if (paramSearch != null && paramSearch.length() > 64) {
+            paramSearch = null;
+        }
+
+        model.addAttribute("discover", false);
+
+        String title;
+        List<Integer> mids;
+
+        if (paramSearch != null) {
+            title = "Поиск: " + StringEscapeUtils.escapeHtml4(paramSearch);
+            mids = messagesService.getSearch(visitor, Utils.encodeSphinx(paramSearch), page);
+        } else if (paramShow == null) {
+            title = "Обсуждения";
+            mids = messagesService.getDiscussions(visitor.getUid(), paramTo);
+        } else if (paramShow.equals("top")) {
+            title = "Популярные";
+            mids = messagesService.getPopular(visitor.getUid(), paramBefore);
+            model.addAttribute("discover", true);
+        } else if (paramShow.equals("my") && !visitor.isAnonymous()) {
+            title = "Моя лента";
+            mids = messagesService.getMyFeed(visitor.getUid(), paramBefore, true);
+        } else if (paramShow.equals("private") && !visitor.isAnonymous()) {
+            title = "Приватные";
+            mids = messagesService.getPrivate(visitor.getUid(), paramBefore);
+        } else if (paramShow.equals("discuss")) {
+            return "redirect:/";
+        } else if (paramShow.equals("recommended") && !visitor.isAnonymous()) {
+            title = "Рекомендации";
+            mids = messagesService.getRecommended(visitor.getUid(), paramBefore);
+        } else if (paramShow.equals("photos")) {
+            title = "Фотографии";
+            mids = messagesService.getPhotos(visitor.getUid(), paramBefore);
+            model.addAttribute("discover", true);
+        } else if (paramShow.equals("all")) {
+            title = "Все сообщения";
+            mids = messagesService.getAll(visitor.getUid(), paramBefore);
+            model.addAttribute("discover", true);
+        } else {
+            throw new HttpNotFoundException();
+        }
+
+        String head = "<meta name=\"Description\" content=\"" + title + "\" />\n";
+
+        if (paramBefore > 0 || paramShow != null) {
+            head = "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        model.addAttribute("title", title);
+        model.addAttribute("headers", head);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("noindex", !(paramShow == null && paramBefore == 0));
+        List<Message> msgs = messagesService.getMessages(visitor, mids);
+        msgs.forEach(m -> m.getUser().setAvatar(webApp.getAvatarWebPath(m.getUser())));
+        if (!visitor.isAnonymous()) {
+            fillUserModel(model, visitor, visitor);
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            List<Integer> blUIDs = userService.checkBL(visitor.getUid(),
+                    msgs.stream().map(m -> m.getUser().getUid()).collect(Collectors.toList()));
+            msgs.forEach(m -> m.ReadOnly |= blUIDs.contains(m.getUser().getUid()));
+        }
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("headers", head);
+        if (mids.size() >= 20) {
+            String nextpage = paramSearch != null ? String.format("?page=%d", page + 1)
+                     : (paramShow == null) ? "?to=" + msgs.get(msgs.size() - 1).getUpdated().toEpochMilli()
+                     : "?before=" + mids.get(mids.size() - 1);
+            if (paramShow != null) {
+                nextpage += "&amp;show=" + paramShow;
+            }
+            if (paramSearch != null) {
+                nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, StandardCharsets.UTF_8);
+            }
+            model.addAttribute("nextpage", nextpage);
+        }
+        return "views/index";
+    }
+
+    @GetMapping(path = "/{uname}/", headers = "Connection!=Upgrade")
+    protected String doGetBlog(
+            @Visitor User visitor,
+            @RequestParam(required = false, name = "show") String paramShow,
+            @RequestParam(required = false, name = "tag") String paramTagStr,
+            @RequestParam(required = false, name = "search") String paramSearch,
+            @RequestParam(required = false, name = "page", defaultValue = "0") Integer page,
+            @PathVariable String uname,
+            @RequestParam(required = false, defaultValue = "0") Integer before,
+            @CookieValue(name = "sape_cookie", required = false, defaultValue = StringUtils.EMPTY) String sapeCookie,
+            ModelMap model) {
+        User user = userService.getUserByName(uname);
+        if (user.isBanned() || user.isAnonymous()) {
+            throw new HttpNotFoundException();
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+
+        List<Integer> mids;
+
+        Tag paramTag = null;
+        if (paramTagStr != null) {
+            if (paramTagStr.length() < 64) {
+                paramTag = tagService.getTag(paramTagStr, false);
+            }
+            if (paramTag == null) {
+                throw new HttpNotFoundException();
+            } else if (!paramTag.getName().equals(paramTagStr)) {
+                String url = user.getName() + "/?tag=" + URLEncoder.encode(paramTag.getName(), StandardCharsets.UTF_8);
+                return "redirect:/" + url;
+            }
+        }
+        if (paramSearch != null && paramSearch.length() > 64) {
+            paramSearch = null;
+        }
+
+        int privacy = 0;
+        if (!visitor.isAnonymous()) {
+            if (user.getUid() == visitor.getUid() || visitor.getUid() == 1) {
+                privacy = -3;
+            } else if (userService.isInWL(user.getUid(), visitor.getUid())) {
+                privacy = -2;
+            }
+        }
+
+        String title;
+        if (paramShow == null) {
+            if (paramTag != null) {
+                title = "Блог " + user.getName() + ": *" + StringEscapeUtils.escapeHtml4(paramTag.getName());
+                mids = messagesService.getUserTag(user.getUid(), paramTag.TID, privacy, before);
+            } else if (paramSearch != null) {
+                title = "Блог " + user.getName() + ": " + StringEscapeUtils.escapeHtml4(paramSearch);
+                mids = messagesService.getUserSearch(visitor, user.getUid(), Utils.encodeSphinx(paramSearch), privacy, page);
+            } else {
+                title = "Блог " + user.getName();
+                mids = messagesService.getUserBlog(user.getUid(), privacy, before);
+            }
+        } else if (paramShow.equals("recomm")) {
+            title = "Рекомендации " + user.getName();
+            mids = messagesService.getUserRecommendations(user.getUid(), before);
+        } else if (paramShow.equals("photos")) {
+            title = "Фотографии " + user.getName();
+            mids = messagesService.getUserPhotos(user.getUid(), privacy, before);
+        } else {
+            throw new HttpNotFoundException();
+        }
+
+        String head = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" +
+                user.getName() + "\" href=\"//rss.juick.com/" + user.getName() + "/blog\"/>";
+        head += "<meta name=\"Description\" content=\"" + title + "\" />\n";
+        if (paramTag != null && tagService.getTagNoIndex(paramTag.TID)) {
+            head += "<meta name=\"robots\" content=\"noindex,nofollow\"/>";
+        } else if (before > 0 || paramShow != null) {
+            head += "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        model.addAttribute("pageUrl", "http://juick.com/" + user.getName());
+        model.addAttribute("title", title);
+        model.addAttribute("headers", head);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("noindex", paramShow == null && before == 0);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("paramTag", paramTag);
+        List<Message> msgs = messagesService.getMessages(visitor, mids);
+        msgs.forEach(m -> m.getUser().setAvatar(webApp.getAvatarWebPath(m.getUser())));
+        if (!visitor.isAnonymous()) {
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            List<Integer> blUIDs = userService.checkBL(visitor.getUid(),
+                    msgs.stream().map(m -> m.getUser().getUid()).collect(Collectors.toList()));
+            msgs.forEach(m -> m.ReadOnly |= blUIDs.contains(m.getUser().getUid()));
+        }
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("headers", head);
+        if (mids.size() >= 20) {
+            String nextpage = paramSearch != null ? String.format("?page=%d", page + 1) : "?before=" + mids.get(mids.size() - 1);
+            if (paramShow != null) {
+                nextpage += "&amp;show=" + paramShow;
+            }
+            if (paramSearch != null) {
+                nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, StandardCharsets.UTF_8);
+            }
+            if (paramTag != null) {
+                nextpage += "&amp;tag=" + URLEncoder.encode(paramTag.getName(), StandardCharsets.UTF_8);
+            }
+            model.addAttribute("nextpage", nextpage);
+        }
+        return "views/blog";
+    }
+
+    @GetMapping("/{uname}/tags")
+    protected String doGetTags(
+            @Visitor User visitor,
+            @PathVariable String uname, ModelMap model) {
+        User user = userService.getUserByName(uname);
+        if (visitor.isBanned()) {
+            throw new HttpNotFoundException();
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+
+        model.addAttribute("title", "Теги " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex,nofollow\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("tags", tagService.getUserTagStats(user.getUid()).stream()
+                .sorted((e1, e2) -> Integer.compare(e2.getUsageCount(), e1.getUsageCount())).map(t -> t.getTag().getName()).collect(Collectors.toList()));
+
+        return "views/blog_tags";
+    }
+
+    @GetMapping("/{uname}/friends")
+    protected String doGetFriends(
+            @Visitor User visitor,
+            @PathVariable String uname, ModelMap model) {
+        User user = userService.getUserByName(uname);
+        if (visitor.isBanned()) {
+            throw new HttpNotFoundException();
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        model.addAttribute("title", "Подписки " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("users", userService.getUserFriends(user.getUid()));
+
+        return "views/users";
+    }
+
+    @GetMapping("/{uname}/readers")
+    protected String doGetReaders(
+            @Visitor User visitor,
+            @PathVariable String uname, ModelMap model) {
+        User user = userService.getUserByName(uname);
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        model.addAttribute("title", "Читатели " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("users", userService.getUserReaders(user.getUid()));
+
+        return "views/users";
+    }
+
+    @GetMapping("/{uname}/bl")
+    protected String doGetBL(
+            @Visitor User visitor,
+            @PathVariable String uname, ModelMap model) {
+        User user = userService.getUserByName(uname);
+        if (visitor.getUid() != user.getUid()) {
+            throw new HttpForbiddenException();
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        model.addAttribute("title", "Черный список " + user.getName());
+        model.addAttribute("headers", "<meta name=\"robots\" content=\"noindex\"/>");
+        model.addAttribute("visitor", visitor);
+        fillUserModel(model, user, visitor);
+        model.addAttribute("users", userService.getUserBLUsers(user.getUid()));
+
+        return "views/users";
+    }
+    @GetMapping("/tag/{tagName}")
+    protected String tagAction(
+            @Visitor User visitor,
+            HttpServletRequest request,
+            @PathVariable String tagName,
+            @RequestParam(required = false, defaultValue = "0") int before,
+            ModelMap model) {
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        String paramTagStr = StringEscapeUtils.unescapeHtml4(tagName);
+        Tag paramTag = tagService.getTag(paramTagStr, false);
+        if (paramTag == null) {
+            throw new HttpNotFoundException();
+        } else if (paramTag.SynonymID > 0 && paramTag.TID != paramTag.SynonymID) {
+            Tag synTag = tagService.getTag(paramTag.SynonymID);
+            String url = "/tag/" + URLEncoder.encode(StringEscapeUtils.escapeHtml4(synTag.getName()), StandardCharsets.UTF_8);
+            if (request.getQueryString() != null) {
+                url += "?" + request.getQueryString();
+            }
+            return "redirect:" + url;
+        } else if (!paramTag.getName().equals(paramTagStr)) {
+            String url = "/tag/" + URLEncoder.encode(StringEscapeUtils.escapeHtml4(paramTag.getName()), StandardCharsets.UTF_8);
+            if (request.getQueryString() != null) {
+                url += "?" + request.getQueryString();
+            }
+            return "redirect:" + url;
+        }
+
+        String title = "*" + StringEscapeUtils.escapeHtml4(paramTag.getName());
+        model.addAttribute("title", title);
+        List<Integer> mids = messagesService.getTag(paramTag.TID, visitor.getUid(), before, (visitor.isAnonymous()) ? 40 : 20);
+        List<Message> msgs = messagesService.getMessages(visitor, mids);
+        msgs.forEach(m -> m.getUser().setAvatar(webApp.getAvatarWebPath(m.getUser())));
+        if (!visitor.isAnonymous()) {
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            List<Integer> blUIDs = userService.checkBL(
+                    visitor.getUid(),
+                    msgs.stream().map(m -> m.getUser().getUid()).collect(Collectors.toList())
+                    );
+            msgs.forEach(m -> m.ReadOnly |= blUIDs.contains(m.getUser().getUid()));
+            fillUserModel(model, visitor, visitor);
+        }
+
+        String head = StringUtils.EMPTY;
+        if (tagService.getTagNoIndex(paramTag.TID)) {
+            head = "<meta name=\"robots\" content=\"noindex,nofollow\"/>";
+        } else if (before > 0 || mids.size() < 5) {
+            head = "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        model.addAttribute("headers", head);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("tag", paramTag);
+        model.addAttribute("title", title);
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("noindex", before > 0);
+        model.addAttribute("isSubscribed", tagService.isSubscribed(visitor, paramTag));
+        model.addAttribute("isInBL", tagService.isInBL(visitor, paramTag));
+        if (mids.size() >= 20) {
+            String nextpage = "/tag/" + URLEncoder.encode(paramTag.getName(), StandardCharsets.UTF_8) + "?before=" + mids.get(mids.size() - 1);
+            model.addAttribute("nextpage", nextpage);
+        }
+        return "views/index";
+    }
+    @GetMapping("/pm/inbox")
+    protected String doGetInbox(@Visitor User visitor, ModelMap model) {
+        if (visitor.isAnonymous()) {
+            return "redirect:/login";
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        String title = "PM: Inbox";
+        List<Message> msgs = pmQueriesService.getLastPMInbox(visitor.getUid());
+        msgs.forEach(m -> m.getUser().setAvatar(webApp.getAvatarWebPath(m.getUser())));
+        fillUserModel(model, visitor, visitor);
+        model.addAttribute("title", title);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        return "views/pm_inbox";
+    }
+
+    @GetMapping("/pm/sent")
+    protected String doGetSent(
+            @Visitor User visitor,
+            @RequestParam(required = false) String uname,
+            ModelMap model) {
+        if (visitor.isAnonymous()) {
+            return "redirect:/login";
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        String title = "PM: Sent";
+        List<Message> msgs = pmQueriesService.getLastPMSent(visitor.getUid());
+        msgs.forEach(m -> m.getUser().setAvatar(webApp.getAvatarWebPath(m.getUser())));
+        if (WebUtils.isNotUserName(uname)) {
+            uname = StringUtils.EMPTY;
+        }
+        fillUserModel(model, visitor, visitor);
+        model.addAttribute("title", title);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("msgs", msgs);
+        model.addAttribute("tags", tagService.getPopularTags());
+        model.addAttribute("uname", uname);
+        return "views/pm_sent";
+    }
+    @GetMapping(value = "/{uname}/{mid}", produces = MediaType.TEXT_HTML_VALUE)
+    protected String threadAction(
+            @Visitor User visitor,
+            ModelMap model,
+            @PathVariable String uname,
+            @PathVariable int mid,
+            @CookieValue(name = "sape_cookie", required = false, defaultValue = StringUtils.EMPTY) String sapeCookie) {
+        if (!messagesService.canViewThread(mid, visitor.getUid())) {
+            throw new HttpForbiddenException();
+        }
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        Optional<Message> message = messagesService.getMessage(mid);
+
+        if (message.isEmpty()) {
+            throw new HttpNotFoundException();
+        }
+
+        Message msg = message.get();
+
+        User user = userService.getUserByName(uname);
+        if (user.isAnonymous() || !msg.getUser().equals(user)) {
+            return String.format("redirect:/%s/%d", msg.getUser().getName(), mid);
+        }
+        msg.VisitorCanComment = !visitor.isAnonymous();
+        msg.getUser().setAvatar(webApp.getAvatarWebPath(msg.getUser()));
+        List<Message> replies = messagesService.getReplies(visitor, msg.getMid());
+        // this should be after getReplies to mark thread as read
+        fillUserModel(model, user, visitor);
+        if (!visitor.isAnonymous()) {
+            List<Integer> unread = messagesService.getUnread(visitor);
+            visitor.setUnreadCount(unread.size());
+            boolean isMsgAuthor = visitor.getUid() == msg.getUser().getUid();
+            boolean isInBL = userService.isInBLAny(msg.getUser().getUid(), visitor.getUid());
+            msg.VisitorCanComment = isMsgAuthor || !(msg.ReadOnly || isInBL);
+        }
+        model.addAttribute("msg", msg);
+
+        String title = msg.getUser().getName() + ": " + MessageUtils.getTagsString(msg);
+
+        model.addAttribute("title", title);
+        model.addAttribute("visitor", visitor);
+        String headers = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" + msg.getUser().getName() + "\" href=\"//rss.juick.com/" + msg.getUser().getName() + "/blog\"/>";
+        String pageUrl = "https://juick.com/" + msg.getUser().getName() + "/" + msg.getMid();
+        if (msg.Hidden) {
+            headers += "<meta name=\"robots\" content=\"noindex\"/>";
+        }
+        String cardType = StringUtils.isNotEmpty(msg.getAttachmentType()) ? "summary_large_image" : "summary";
+        if (StringUtils.isNotEmpty(msg.getAttachmentType()))  {
+            // additional check in case of broken images
+            if (msg.getAttachment() != null) {
+                String msgImage = msg.getAttachment().getMedium().getUrl();
+                headers += "<meta property=\"og:image\" content=\"" + msgImage + "\" />";
+            }
+        } else {
+            String msgImage = webApp.getAvatarWebPath(msg.getUser());
+            headers += "<meta property=\"og:image\" content=\"" + msgImage + "\" />";
+        }
+        model.addAttribute("ogtype", "article");
+        String cardDescription = StringEscapeUtils.escapeHtml4(PlainTextFormatter.formatTwitterCard(msg));
+        headers += "<meta name=\"twitter:card\" content=\"" + cardType + "\" />\n" +
+                "<meta name=\"twitter:site\" content=\"@juick\" />\n" +
+                "<meta property=\"og:url\" content=\"" + pageUrl + "\" />\n" +
+                "<meta property=\"og:title\" content=\"" + msg.getUser().getName() + " at Juick\" />\n" +
+                "<meta property=\"og:description\" content=\"" + cardDescription + "\" />\n" +
+                "<meta name=\"Description\" content=\"" + cardDescription + "\" />\n";
+        String twitterName = crosspostService.getTwitterName(msg.getUser().getUid());
+        if (StringUtils.isNotEmpty(twitterName)) {
+            headers += "<meta name=\"twitter:creator\" content=\"@" + twitterName + "\" />\n";
+        }
+        if (msg.getTags().size() > 0) {
+            headers += "<meta name=\"Keywords\" content=\"" + msg.getTags().stream().map(Tag::getName)
+                    .collect(Collectors.joining(", ")) + "\" />\n";
+        }
+        model.addAttribute("headers", headers);
+        model.addAttribute("visitorSubscribed", messagesService.isSubscribed(visitor.getUid(), msg.getMid()));
+        model.addAttribute("visitorInBL",  userService.isInBL(msg.getUser().getUid(), visitor.getUid()));
+        model.addAttribute("recomm", messagesService.getMessagesRecommendations(
+                Collections.singletonList(msg.getMid())).stream()
+                .map(Pair::getRight).collect(Collectors.toList()));
+        List<Integer> blUIDs = new ArrayList<>();
+        for (Message reply : replies) {
+            if (reply.getUser().getUid() != msg.getUser().getUid()
+                    && !blUIDs.contains(reply.getUser().getUid())) {
+                blUIDs.add(reply.getUser().getUid());
+            }
+            reply.VisitorCanComment = !visitor.isAnonymous();
+            reply.getUser().setAvatar(webApp.getAvatarWebPath(reply.getUser()));
+            if (!visitor.isAnonymous()) {
+                boolean isMsgAuthor = visitor.getUid() == msg.getUser().getUid();
+                boolean isReplyAuthor = visitor.getUid() == reply.getUser().getUid();
+                reply.VisitorCanComment = isMsgAuthor || (!msg.ReadOnly
+                        && msg.VisitorCanComment && (isReplyAuthor || !userService.isInBLAny(visitor.getUid(), reply.getUser().getUid())));
+            }
+        }
+        model.addAttribute("replies", replies);
+        return "views/thread";
+    }
+
+    @GetMapping("/post")
+    protected String postAction(
+            @Visitor User visitor,
+            @RequestParam(required = false) String body, ModelMap model) {
+        fillUserModel(model, visitor, visitor);
+        visitor.setAvatar(webApp.getAvatarWebPath(visitor));
+        model.addAttribute("title", "Написать");
+        model.addAttribute("headers", "");
+        model.addAttribute("visitor", visitor);
+        if (body == null) {
+            body = StringUtils.EMPTY;
+        } else {
+            if (body.length() > 4096) {
+                body = body.substring(0, 4096);
+            }
+            body = StringEscapeUtils.escapeHtml4(body);
+        }
+        model.addAttribute("body", body);
+        model.addAttribute("visitor", visitor);
+        model.addAttribute("user", visitor);
+        model.addAttribute("tags", tagService.getUserTagStats(visitor.getUid()).stream()
+                .sorted((e1, e2) -> Integer.compare(e2.getUsageCount(), e1.getUsageCount())).map(t -> t.getTag().getName()).collect(Collectors.toList()));
+        return "views/post";
+    }
+
+    // when message id is not fit to int
+    @ExceptionHandler(NumberFormatException.class)
+    public ResponseEntity<String> notFoundAction() {
+        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+    }
+}