reorganize layout

29 files changed, 0 insertions, 1973 deletions

diff --git a/juick-common/src/main/java/com/juick/server/CommandsManager.java b/juick-common/src/main/java/com/juick/server/CommandsManager.java
deleted file mode 100644
index 7c4692d2..00000000
--- a/juick-common/src/main/java/com/juick/server/CommandsManager.java
+++ /dev/null
@@ -1,532 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server;
-
-import com.juick.Message;
-import com.juick.Tag;
-import com.juick.User;
-import com.juick.formatters.PlainTextFormatter;
-import com.juick.server.component.*;
-import com.juick.server.helpers.CommandResult;
-import com.juick.server.helpers.TagStats;
-import com.juick.server.helpers.annotation.UserCommand;
-import com.juick.server.util.HttpUtils;
-import com.juick.server.util.TagUtils;
-import com.juick.service.*;
-import com.juick.util.MessageUtils;
-import org.apache.commons.collections4.CollectionUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.lang3.math.NumberUtils;
-import org.apache.commons.lang3.reflect.MethodUtils;
-import org.apache.commons.lang3.tuple.Pair;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.ApplicationEventPublisher;
-import org.springframework.stereotype.Component;
-
-import javax.annotation.Nonnull;
-import javax.inject.Inject;
-import java.lang.reflect.Method;
-import java.net.URI;
-import java.util.*;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
-
-/**
- *
- * @author ugnich
- */
-@Component
-public class CommandsManager {
-    @Inject
-    private MessagesService messagesService;
-    @Inject
-    private UserService userService;
-    @Inject
-    private TagService tagService;
-    @Inject
-    private PMQueriesService pmQueriesService;
-    @Inject
-    private ShowQueriesService showQueriesService;
-    @Inject
-    private PrivacyQueriesService privacyQueriesService;
-    @Inject
-    private SubscriptionService subscriptionService;
-    @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
-    private String tmpDir;
-    @Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
-    private String imgDir;
-    @Inject
-    private ApplicationEventPublisher applicationEventPublisher;
-    @Inject
-    private ImagesService imagesService;
-
-    public CommandResult processCommand(User user, String data, @Nonnull URI attachment) throws Exception {
-        String strippedData = StringUtils.stripStart(data, null);
-        if (strippedData.startsWith("?OTR")) {
-            return CommandResult.fromString("?OTR Error: we are not using OTR");
-        }
-        String input = MessageUtils.stripNonSafeUrls(strippedData);
-        Optional<Method> cmd = MethodUtils.getMethodsListWithAnnotation(getClass(), UserCommand.class).stream()
-                .filter(m -> Pattern.compile(m.getAnnotation(UserCommand.class).pattern(),
-                        m.getAnnotation(UserCommand.class).patternFlags()).matcher(input).matches())
-                .findFirst();
-        if (cmd.isPresent()) {
-            Matcher matcher = Pattern.compile(cmd.get().getAnnotation(UserCommand.class).pattern(),
-                    cmd.get().getAnnotation(UserCommand.class).patternFlags()).matcher(input);
-            List<String> groups = new ArrayList<>();
-            while (matcher.find()) {
-                for (int i = 1; i <= matcher.groupCount(); i++) {
-                    groups.add(matcher.group(i));
-                }
-            }
-            CommandResult commandResult = (CommandResult) getClass().getMethod(cmd.get().getName(), User.class, URI.class, String[].class)
-                    .invoke(this, user, attachment, groups.toArray(new String[groups.size()]));
-            if (StringUtils.isNotEmpty(commandResult.getText())) {
-                return commandResult;
-            }
-        }
-        Pair<String, List<Tag>> tags = tagService.fromString(input);
-        if (tags.getRight().size() > 5) {
-            return CommandResult.fromString("Sorry, 5 tags maximum.");
-        }
-        // new message
-        String body = tags.getLeft().trim();
-        boolean haveAttachment = StringUtils.isNotEmpty(attachment.toString());
-        String attachmentFName = null;
-        String attachmentType = null;
-        if (haveAttachment) {
-             attachmentFName = attachment.getScheme().equals("juick") ? attachment.getHost()
-                    : HttpUtils.downloadImage(attachment.toURL(), tmpDir).getHost();
-             attachmentType = attachmentFName.substring(attachmentFName.length() - 3);
-        }
-        int mid = messagesService.createMessage(user.getUid(), body, attachmentType, tags.getRight());
-        if (haveAttachment) {
-            String fname = String.format("%d.%s", mid, attachmentType);
-            imagesService.saveImageWithPreviews(attachmentFName, fname);
-        }
-        Message msg = messagesService.getMessage(mid);
-        subscriptionService.subscribeMessage(msg, user);
-
-        applicationEventPublisher.publishEvent(new MessageReadEvent(this, user, msg));
-        applicationEventPublisher.publishEvent(new MessageEvent(this, msg, subscriptionService.getSubscribedUsers(msg.getUser().getUid(), msg.getMid())));
-        return CommandResult.build(msg, "New message posted.\n#" + msg.getMid() + " https://juick.com/m/" + msg.getMid(), String.format("[New message](%s) posted", PlainTextFormatter.formatUrl(msg)));
-    }
-
-    @UserCommand(pattern = "^ping$", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "PING - returns you a PONG")
-    public CommandResult commandPing(User user, URI attachment, String[] input) {
-        applicationEventPublisher.publishEvent(new PingEvent(this, user));
-        return CommandResult.fromString("PONG");
-    }
-
-    @UserCommand(pattern = "^help$", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "HELP - returns this help message")
-    public CommandResult commandHelp(User user, URI attachment, String[] input) {
-        return CommandResult.fromString(Arrays.stream(getClass().getDeclaredMethods())
-                .filter(m -> m.isAnnotationPresent(UserCommand.class))
-                .map(m -> m.getAnnotation(UserCommand.class).help())
-                .collect(Collectors.joining("\n")));
-    }
-
-    @UserCommand(pattern = "^login$", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "LOGIN - log in to Juick website")
-    public CommandResult commandLogin(User user_from, URI attachment, String[] input) {
-        return CommandResult.fromString("http://juick.com/login?hash=" + userService.getHashByUID(user_from.getUid()));
-    }
-    @UserCommand(pattern = "^\\@(\\S+)\\s+([\\s\\S]+)$", help = "@username message - send PM to username")
-    public CommandResult commandPM(User user_from, URI attachment, String... arguments) {
-        String body = arguments[1];
-
-        User user_to = userService.getUserByName(arguments[0]);
-
-        if (!user_to.isAnonymous()) {
-            if (!userService.isInBLAny(user_to.getUid(), user_from.getUid())) {
-                if (pmQueriesService.createPM(user_from.getUid(), user_to.getUid(), body)) {
-                    com.juick.Message jmsg = new com.juick.Message();
-                    jmsg.setUser(user_from);
-                    jmsg.setTo(user_to);
-                    jmsg.setText(body);
-                    applicationEventPublisher.publishEvent(new MessageEvent(this, jmsg, Collections.singletonList(user_to)));
-                    return CommandResult.fromString("Private message sent");
-                }
-            }
-        }
-        return CommandResult.fromString("Error");
-    }
-    @UserCommand(pattern = "^bl$", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "BL - Show your blacklist")
-    public CommandResult commandBLShow(User user_from, URI attachment, String... arguments) {
-        List<User> blusers = userService.getUserBLUsers(user_from.getUid());
-        List<String> bltags = tagService.getUserBLTags(user_from.getUid());
-
-        String txt = StringUtils.EMPTY;
-        if (bltags.size() > 0) {
-            for (String bltag : bltags) {
-                txt += "*" + bltag + "\n";
-            }
-
-            if (blusers.size() > 0) {
-                txt += "\n";
-            }
-        }
-        if (blusers.size() > 0) {
-            for (User bluser : blusers) {
-                txt += "@" + bluser.getName() + "\n";
-            }
-        }
-        if (txt.isEmpty()) {
-            txt = "You don't have any users or tags in your blacklist.";
-        }
-
-        return CommandResult.fromString(txt);
-    }
-
-    @UserCommand(pattern = "^#\\+$", help = "#+ - Show last Juick messages")
-    public CommandResult commandLast(User user_from, URI attachment, String... arguments) {
-        return CommandResult.fromString("Last messages:\n"
-                + printMessages(user_from, messagesService.getAll(user_from.getUid(), 0), true));
-    }
-
-    @UserCommand(pattern = "@", help = "@ - Show recommendations and popular personal blogs")
-    public CommandResult commandUsers(User user_from, URI attachment, String... arguments) {
-        StringBuilder msg = new StringBuilder();
-        msg.append("Recommended blogs");
-        List<String> recommendedUsers = showQueriesService.getRecommendedUsers(user_from);
-        if (recommendedUsers.size() > 0) {
-            for (String user : recommendedUsers) {
-                msg.append("\n@").append(user);
-            }
-        } else {
-            msg.append("\nNo recommendations now. Subscribe to more blogs. ;)");
-        }
-        msg.append("\n\nTop 10 personal blogs:");
-        List<String> topUsers = showQueriesService.getTopUsers();
-        if (topUsers.size() > 0) {
-            for (String user : topUsers) {
-                msg.append("\n@").append(user);
-            }
-        } else {
-            msg.append("\nNo top users. Empty DB? ;)");
-        }
-        return CommandResult.fromString(msg.toString());
-    }
-    @UserCommand(pattern = "^bl\\s+@([^\\s\\n\\+]+)", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "BL @username - add @username to your blacklist")
-    public CommandResult blacklistUser(User user_from, URI attachment, String... arguments) {
-        User blUser = userService.getUserByName(arguments[0]);
-        if (!blUser.isAnonymous()) {
-            PrivacyQueriesService.PrivacyResult result = privacyQueriesService.blacklistUser(user_from, blUser);
-            if (result == PrivacyQueriesService.PrivacyResult.Added) {
-                return CommandResult.fromString("User added to your blacklist");
-            } else {
-                return CommandResult.fromString("User removed from your blacklist");
-            }
-        }
-        return CommandResult.fromString("User not found");
-    }
-    @UserCommand(pattern = "^bl\\s\\*(\\S+)$", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "BL *tag - add *tag to your blacklist")
-    public CommandResult blacklistTag(User user_from, URI attachment, String... arguments) {
-        if (!user_from.isAnonymous()) {
-            Tag tag = tagService.getTag(arguments[0], false);
-            if (tag != null) {
-                PrivacyQueriesService.PrivacyResult result = privacyQueriesService.blacklistTag(user_from, tag);
-                if (result == PrivacyQueriesService.PrivacyResult.Added) {
-                    return CommandResult.fromString("Tag added to your blacklist");
-                } else {
-                    return CommandResult.fromString("Tag removed from your blacklist");
-                }
-            }
-        }
-        return CommandResult.fromString("Tag not found");
-    }
-    @UserCommand(pattern = "\\*", help = "* - Show your tags")
-    public CommandResult commandTags(User currentUser, URI attachment, String... args) {
-        List<TagStats> tags = tagService.getUserTagStats(currentUser.getUid());
-        String msg = "Your tags: (tag - messages)\n" +
-                tags.stream()
-                        .map(t -> String.format("\n*%s - %d", t.getTag().getName(), t.getUsageCount())).collect(Collectors.joining());
-        return CommandResult.fromString(msg);
-    }
-    @UserCommand(pattern = "S", help = "S - Show your subscriptions", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandSubscriptions(User currentUser, URI attachment, String... args) {
-        List<User> friends = userService.getUserFriends(currentUser.getUid());
-        List<String> tags = subscriptionService.getSubscribedTags(currentUser);
-        String msg = friends.size() > 0 ? "You are subscribed to users:" + friends.stream().map(u -> "\n@" + u.getName())
-                .collect(Collectors.joining())
-                : "You are not subscribed to any user.";
-        msg += tags.size() > 0 ? "\nYou are subscribed to tags:" + tags.stream().map(t -> "\n*" + t)
-                .collect(Collectors.joining())
-                : "\nYou are not subscribed to any tag.";
-        return CommandResult.fromString(msg);
-    }
-    @UserCommand(pattern = "!", help = "! - Show your favorite messages")
-    public CommandResult commandFavorites(User currentUser, URI attachment, String... args) {
-        List<Integer> mids = messagesService.getUserRecommendations(currentUser.getUid(), 0);
-        if (mids.size() > 0) {
-            return CommandResult.fromString("Favorite messages: \n" + printMessages(currentUser, mids, false));
-        }
-        return CommandResult.fromString("No favorite messages, try to \"like\" something ;)");
-    }
-    @UserCommand(pattern = "^\\!\\s+#(\\d+)", help = "! #12345 - recommend message")
-    public CommandResult commandRecommend(User user, URI attachment, String... arguments) {
-        int mid = NumberUtils.toInt(arguments[0], 0);
-        if (mid > 0) {
-            com.juick.Message msg = messagesService.getMessage(mid);
-            if (msg != null) {
-                if (msg.getUser() == user) {
-                    return CommandResult.fromString("You can't recommend your own messages.");
-                }
-                MessagesService.RecommendStatus status = messagesService.recommendMessage(mid, user.getUid());
-                switch (status) {
-                    case Added:
-                        applicationEventPublisher.publishEvent(new LikeEvent(this, user, msg,
-                                subscriptionService.getUsersSubscribedToUserRecommendations(
-                                        user.getUid(), msg)));
-                        return CommandResult.fromString("Message is added to your recommendations");
-                    case Deleted:
-                        return CommandResult.fromString("Message deleted from your recommendations.");
-                }
-            }
-            return CommandResult.fromString("Message not found");
-        }
-        return CommandResult.fromString("Message not found");
-    }
-    // TODO: target notification
-    @UserCommand(pattern = "^(s|u)\\s+\\@(\\S+)$", help = "S @username - subscribe to user" +
-            "\nU @username - unsubscribe from user", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandSubscribeUser(User user, URI attachment, String... args) {
-        boolean subscribe = args[0].equalsIgnoreCase("s");
-        User toUser = userService.getUserByName(args[1]);
-        if (toUser.isAnonymous()) {
-            return CommandResult.fromString("User not found");
-        }
-        if (subscribe) {
-            if (subscriptionService.subscribeUser(user, toUser)) {
-                // TODO: already subscribed case
-                applicationEventPublisher.publishEvent(new SubscribeEvent(this, user, toUser));
-                return CommandResult.fromString("Subscribed to @" + toUser.getName());
-            }
-        } else {
-            if (subscriptionService.unSubscribeUser(user, toUser)) {
-                return CommandResult.fromString("Unsubscribed from @" + toUser.getName());
-            }
-            return CommandResult.fromString("You was not subscribed to @" + toUser.getName());
-        }
-        return CommandResult.fromString("Error");
-    }
-    @UserCommand(pattern = "^(s|u)\\s+\\*(\\S+)$", help = "S *tag - subscribe to tag" +
-            "\nU *tag - unsubscribe from tag", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandSubscribeTag(User user, URI attachment, String... args) {
-        boolean subscribe = args[0].equalsIgnoreCase("s");
-        Tag tag = tagService.getTag(args[1], true);
-        if (subscribe) {
-            if (subscriptionService.subscribeTag(user, tag)) {
-                return CommandResult.fromString("Subscribed");
-            }
-        } else {
-            if (subscriptionService.unSubscribeTag(user, tag)) {
-                return CommandResult.fromString("Unsubscribed from " + tag.getName());
-            }
-            return CommandResult.fromString("You was not subscribed to " + tag.getName());
-        }
-        return CommandResult.fromString("Error");
-    }
-    @UserCommand(pattern = "^(s|u)\\s+#(\\d+)$", help = "S #1234 - subscribe to comments" +
-            "\nU #1234 - unsubscribe from comments", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandSubscribeMessage(User user, URI attachment, String... args) {
-        boolean subscribe = args[0].equalsIgnoreCase("s");
-        int mid = NumberUtils.toInt(args[1], 0);
-        Message msg = messagesService.getMessage(mid);
-        if (msg != null) {
-            if (subscribe) {
-                if (subscriptionService.subscribeMessage(msg, user)) {
-                    applicationEventPublisher.publishEvent(new MessageReadEvent(this, user, msg));
-                    return CommandResult.fromString("Subscribed");
-                }
-            } else {
-                if (subscriptionService.unSubscribeMessage(mid, user.getUid())) {
-                    return CommandResult.fromString("Unsubscribed from #" + mid);
-                }
-                return CommandResult.fromString("You was not subscribed to #" + mid);
-            }
-        }
-        return CommandResult.fromString("Error");
-    }
-    @UserCommand(pattern = "^(on|off)$", patternFlags = Pattern.CASE_INSENSITIVE,
-            help = "ON/OFF - Enable/disable subscriptions delivery")
-    public CommandResult commandOnOff(User user, URI attachment, String[] input) {
-        UserService.ActiveStatus newStatus;
-        String retValUpdated;
-        if (input[0].toLowerCase().equals("on")) {
-            newStatus = UserService.ActiveStatus.Active;
-            retValUpdated = "XMPP notifications are activated";
-        } else {
-            newStatus = UserService.ActiveStatus.Inactive;
-            retValUpdated = "XMPP notifications are disabled";
-        }
-        if (userService.getAllJIDs(user).stream().allMatch(jid -> userService.setActiveStatusForJID(jid, newStatus))) {
-            return CommandResult.fromString(retValUpdated);
-        }
-        return CommandResult.fromString("Error");
-    }
-    @UserCommand(pattern = "^\\@([^\\s\\n\\+]+)(\\+?)$",
-            help = "@username+ - Show user's info and last 20 messages")
-    public CommandResult commandUser(User user, URI attachment, String... arguments) {
-        User blogUser = userService.getUserByName(arguments[0]);
-        int page = arguments[1].length();
-        if (!blogUser.isAnonymous()) {
-            List<Integer> mids = messagesService.getUserBlog(blogUser.getUid(), 0, 0);
-            return CommandResult.fromString(String.format("Last messages from @%s:\n%s", arguments[0],
-                    printMessages(user, mids, false)));
-        }
-        return CommandResult.fromString("User not found");
-    }
-    @UserCommand(pattern = "^#(\\d+)(\\+?)$", help = "#1234 - Show message (#1234+ - message with replies)")
-    public CommandResult commandShow(User user, URI attachment, String... arguments) {
-        boolean showReplies = arguments[1].length() > 0;
-        int mid = NumberUtils.toInt(arguments[0], 0);
-        if (mid == 0) {
-            return CommandResult.fromString("Error");
-        }
-        com.juick.Message msg = messagesService.getMessage(mid);
-        if (msg != null) {
-            if (showReplies) {
-                List<com.juick.Message> replies = messagesService.getReplies(user, mid);
-                applicationEventPublisher.publishEvent(new MessageReadEvent(this, user, msg));
-                replies.add(0, msg);
-                return CommandResult.fromString(String.join("\n",
-                        replies.stream().map(PlainTextFormatter::formatPostSummary).collect(Collectors.toList())));
-            }
-            return CommandResult.fromString(PlainTextFormatter.formatPost(msg));
-        }
-        return CommandResult.fromString("Message not found");
-    }
-    @UserCommand(pattern = "^#(\\d+)\\/(\\d+)$", help = "#1234/5 - Show reply")
-    public CommandResult commandShowReply(User user, URI attachment, String... arguments) {
-        int mid = NumberUtils.toInt(arguments[0], 0);
-        int rid = NumberUtils.toInt(arguments[1], 0);
-        com.juick.Message reply = messagesService.getReply(mid, rid);
-        if (reply != null) {
-            return CommandResult.fromString(PlainTextFormatter.formatPost(reply));
-        }
-        return CommandResult.fromString("Reply not found");
-    }
-    @UserCommand(pattern = "^\\*(\\S+)(\\+?)$", help = "*tag - Show last messages with tag")
-    public CommandResult commandShowTag(User user, URI attachment, String... arguments) {
-        if (StringUtils.isNotEmpty(attachment.toString())) {
-            // new message with tag
-            return CommandResult.fromString(StringUtils.EMPTY);
-        }
-        Tag tag = tagService.getTag(arguments[0], false);
-        if (tag != null) {
-            // TODO: synonyms
-            List<Integer> mids = messagesService.getTag(tag.TID, user.getUid(), 0, 10);
-            return CommandResult.fromString("Last messages with *" + tag.getName() + ":\n" + printMessages(user, mids, true));
-        }
-        return CommandResult.fromString("Tag not found");
-    }
-    @UserCommand(pattern = "^D #(\\d+)$", help = "D #1234 - Delete post", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandDeletePost(User user, URI attachment, String... args) {
-        int mid = Integer.valueOf(args[0]);
-        if (messagesService.deleteMessage(user.getUid(), mid)) {
-            return CommandResult.fromString("Message deleted");
-        }
-        return CommandResult.fromString("This is not your message");
-    }
-    @UserCommand(pattern = "^D #(\\d+)(\\.|\\-|\\/)(\\d+)$", help = "D #1234/5 - Delete comment", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandDeleteReply(User user, URI attachment, String... args) {
-        int mid = Integer.valueOf(args[0]);
-        int rid = Integer.valueOf(args[2]);
-        if (messagesService.deleteReply(user.getUid(), mid, rid)) {
-            return CommandResult.fromString("Reply deleted");
-        } else {
-            return CommandResult.fromString("This is not your reply");
-        }
-    }
-    @UserCommand(pattern = "^(D L|DL|D LAST)$", help = "D L - Delete last message", patternFlags = Pattern.CASE_INSENSITIVE)
-    public CommandResult commandDeleteLast(User user, URI attachment, String... args) {
-        return CommandResult.fromString("Temporarily unavailable");
-    }
-    @UserCommand(pattern = "^\\?\\s+\\@([a-zA-Z0-9\\-\\.\\@]+)\\s+([\\s\\S]+)$", help = "? @user string - search in user messages")
-    public CommandResult commandSearch(User user, URI attachment, String... args) {
-        return CommandResult.fromString("Temporarily unavailable");
-    }
-    @UserCommand(pattern = "^\\?\\s+([\\s\\S]+)$", help = "? string - search in all messages")
-    public CommandResult commandSearchAll(User user, URI attachment, String... args) {
-        return CommandResult.fromString("Temporarily unavailable");
-    }
-    @UserCommand(pattern = "^(#+)$", help = "# - Show last messages from your feed (## - second page, ...)")
-    public CommandResult commandMyFeed(User user, URI attachment, String... arguments) {
-        // number of # is the page count
-        int page = arguments[0].length() - 1;
-        List<Integer> mids = messagesService.getMyFeed(user.getUid(), page, false);
-        if (mids.size() > 0) {
-            return CommandResult.fromString("Your feed: \n" + printMessages(user, mids, true));
-        }
-        return CommandResult.fromString("Your feed is empty");
-    }
-    @UserCommand(pattern = "^(#|\\.)(\\d+)((\\.|\\-|\\/)(\\d+))?\\s([\\s\\S]+)?",
-            help = "#1234 *tag *tag2 - edit tags\n#1234 text - reply to message")
-    public CommandResult EditOrReply(User user, @Nonnull URI attachment, String... args) throws Exception {
-        int mid = NumberUtils.toInt(args[1]);
-        int rid = NumberUtils.toInt(args[4], 0);
-        String txt = StringUtils.defaultString(args[5]);
-        Message msg = messagesService.getMessage(mid);
-        Pair<String, List<Tag>> messageTags = tagService.fromString(txt);
-        if (messageTags.getRight().size() > 0) {
-            if (user.getUid() != msg.getUser().getUid()) {
-                return CommandResult.fromString("It is not your message");
-            }
-            if (!CollectionUtils.isEqualCollection(tagService.updateTags(mid, messageTags.getRight()), msg.getTags())) {
-                return CommandResult.fromString("Tags are updated");
-            } else {
-                return CommandResult.fromString("Tags are NOT updated (5 tags maximum?)");
-            }
-        } else {
-            boolean haveAttachment = StringUtils.isNotEmpty(attachment.toString());
-            String attachmentFName = null;
-            String attachmentType = null;
-            if (haveAttachment) {
-                attachmentFName = attachment.getScheme().equals("juick") ? attachment.getHost()
-                        : HttpUtils.downloadImage(attachment.toURL(), tmpDir).getHost();
-                attachmentType = attachmentFName.substring(attachmentFName.length() - 3);
-            }
-            int newrid = messagesService.createReply(mid, rid, user, txt, attachmentType);
-            applicationEventPublisher.publishEvent(new MessageReadEvent(this, user, msg));
-            if (haveAttachment) {
-                String fname = String.format("%d-%d.%s", mid, newrid, attachmentType);
-                imagesService.saveImageWithPreviews(attachmentFName, fname);
-            }
-            Message original = messagesService.getMessage(mid);
-            subscriptionService.subscribeMessage(original, user);
-            Message reply = messagesService.getReply(mid, newrid);
-            applicationEventPublisher.publishEvent(new MessageEvent(this, reply, subscriptionService.getUsersSubscribedToComments(original, reply)));
-            return CommandResult.build(reply,"Reply posted.\n#" + mid + "/" + newrid + " "
-                    + "https://juick.com/m/" + mid + "#" + newrid,
-                    String.format("[Reply](%s) posted", PlainTextFormatter.formatUrl(reply)));
-        }
-    }
-
-    String printMessages(User visitor, List<Integer> mids, boolean crop) {
-        return messagesService.getMessages(visitor, mids).stream()
-                .sorted(Collections.reverseOrder())
-                .map(PlainTextFormatter::formatPostSummary).collect(Collectors.joining("\n\n"));
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/DisconnectedEvent.java b/juick-common/src/main/java/com/juick/server/component/DisconnectedEvent.java
deleted file mode 100644
index 9da6d7a9..00000000
--- a/juick-common/src/main/java/com/juick/server/component/DisconnectedEvent.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.juick.server.component;
-
-import org.springframework.context.ApplicationEvent;
-
-public class DisconnectedEvent extends ApplicationEvent {
-    /**
-     * Create a new ApplicationEvent.
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     */
-    public DisconnectedEvent(Object source) {
-        super(source);
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/LikeEvent.java b/juick-common/src/main/java/com/juick/server/component/LikeEvent.java
deleted file mode 100644
index 678a84a9..00000000
--- a/juick-common/src/main/java/com/juick/server/component/LikeEvent.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.juick.server.component;
-
-import com.juick.Message;
-import com.juick.User;
-import org.springframework.context.ApplicationEvent;
-
-import java.util.List;
-
-public class LikeEvent extends ApplicationEvent {
-    private User user;
-    private Message message;
-    private List<User> subscribers;
-    /**
-     * Create a new ApplicationEvent.
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     */
-    public LikeEvent(Object source, User user, Message message, List<User> subscribers) {
-        super(source);
-        this.message = message;
-        this.user = user;
-        this.subscribers = subscribers;
-    }
-
-    public User getUser() {
-        return user;
-    }
-
-    public Message getMessage() {
-        return message;
-    }
-
-    public List<User> getSubscribers() {
-        return subscribers;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/MessageEvent.java b/juick-common/src/main/java/com/juick/server/component/MessageEvent.java
deleted file mode 100644
index c0c60228..00000000
--- a/juick-common/src/main/java/com/juick/server/component/MessageEvent.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.juick.server.component;
-
-import com.juick.Message;
-import com.juick.User;
-import org.springframework.context.ApplicationEvent;
-
-import java.util.List;
-
-public class MessageEvent extends ApplicationEvent {
-    private Message message;
-    private List<User> users;
-    /**
-     * Create a new ApplicationEvent.
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     * @param message app message
-     * @param interestedUsers users interested in notification
-     */
-    public MessageEvent(Object source, Message message, List<User> interestedUsers) {
-        super(source);
-        this.message = message;
-        this.users = interestedUsers;
-    }
-
-    public Message getMessage() {
-        return message;
-    }
-    public List<User> getUsers() {
-        return users;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/MessageReadEvent.java b/juick-common/src/main/java/com/juick/server/component/MessageReadEvent.java
deleted file mode 100644
index e75d3636..00000000
--- a/juick-common/src/main/java/com/juick/server/component/MessageReadEvent.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.juick.server.component;
-
-import com.juick.Message;
-import com.juick.User;
-import org.springframework.context.ApplicationEvent;
-
-public class MessageReadEvent extends ApplicationEvent {
-    private User user;
-    private Message message;
-    /**
-     * Create a new ApplicationEvent.
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     */
-    public MessageReadEvent(Object source, User user, Message message) {
-        super(source);
-        this.user = user;
-        this.message = message;
-    }
-
-    public User getUser() {
-        return user;
-    }
-
-    public Message getMessage() {
-        return message;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/PingEvent.java b/juick-common/src/main/java/com/juick/server/component/PingEvent.java
deleted file mode 100644
index abda5b85..00000000
--- a/juick-common/src/main/java/com/juick/server/component/PingEvent.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.juick.server.component;
-
-import com.juick.User;
-import org.springframework.context.ApplicationEvent;
-
-public class PingEvent extends ApplicationEvent {
-    private User pinger;
-    /**
-     * Create a new ApplicationEvent.
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     */
-    public PingEvent(Object source, User pinger) {
-        super(source);
-        this.pinger = pinger;
-    }
-
-    public User getPinger() {
-        return pinger;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/SubscribeEvent.java b/juick-common/src/main/java/com/juick/server/component/SubscribeEvent.java
deleted file mode 100644
index 2d3ceddb..00000000
--- a/juick-common/src/main/java/com/juick/server/component/SubscribeEvent.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.juick.server.component;
-
-import com.juick.User;
-import org.springframework.context.ApplicationEvent;
-
-public class SubscribeEvent extends ApplicationEvent {
-    private User user;
-    private User toUser;
-    /**
-     * Create a new ApplicationEvent.
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     */
-    public SubscribeEvent(Object source, User user, User toUser) {
-        super(source);
-        this.user = user;
-        this.toUser = toUser;
-    }
-
-    public User getUser() {
-        return user;
-    }
-
-    public User getToUser() {
-        return toUser;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/component/UserUpdatedEvent.java b/juick-common/src/main/java/com/juick/server/component/UserUpdatedEvent.java
deleted file mode 100644
index 059aeefd..00000000
--- a/juick-common/src/main/java/com/juick/server/component/UserUpdatedEvent.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package com.juick.server.component;
-
-import com.juick.User;
-import org.springframework.context.ApplicationEvent;
-import org.springframework.lang.NonNull;
-
-public class UserUpdatedEvent extends ApplicationEvent {
-    private User user;
-    /**
-     * Generated when user is updated (avatar changed, etc).
-     *
-     * @param source the object on which the event initially occurred (never {@code null})
-     * @param user updated user
-     */
-    public UserUpdatedEvent(@NonNull Object source, User user) {
-        super(source);
-        this.user = user;
-    }
-
-    public User getUser() {
-        return user;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/configuration/BaseWebConfiguration.java b/juick-common/src/main/java/com/juick/server/configuration/BaseWebConfiguration.java
deleted file mode 100644
index 23a35384..00000000
--- a/juick-common/src/main/java/com/juick/server/configuration/BaseWebConfiguration.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.configuration;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.scheduling.annotation.SchedulingConfigurer;
-import org.springframework.scheduling.config.ScheduledTaskRegistrar;
-import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
-import org.springframework.web.servlet.resource.ResourceUrlEncodingFilter;
-
-import java.util.concurrent.Executor;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-/**
- * Created by vitalyster on 28.06.2016.
- */
-@Configuration
-public class BaseWebConfiguration implements WebMvcConfigurer, SchedulingConfigurer {
-
-
-    @Override
-    public void configurePathMatch(PathMatchConfigurer configurer) {
-        configurer.setUseSuffixPatternMatch(false);
-    }
-
-    @Bean
-    public ResourceUrlEncodingFilter resourceUrlEncodingFilter() {
-        return new ResourceUrlEncodingFilter();
-    }
-
-    @Override
-    public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
-        taskRegistrar.setScheduler(taskExecutor());
-    }
-
-    @Bean(destroyMethod="shutdown")
-    public Executor taskExecutor() {
-        return Executors.newScheduledThreadPool(100);
-    }
-
-    @Bean
-    public ExecutorService executorService() {
-        return Executors.newCachedThreadPool();
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/configuration/StorageConfiguration.java b/juick-common/src/main/java/com/juick/server/configuration/StorageConfiguration.java
deleted file mode 100644
index 4101f37d..00000000
--- a/juick-common/src/main/java/com/juick/server/configuration/StorageConfiguration.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.juick.server.configuration;
-
-import com.juick.service.ImagesService;
-import com.juick.service.ImagesServiceImpl;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class StorageConfiguration {
-
-    @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
-    private String tmpDir;
-    @Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
-    private String imgDir;
-    @Bean
-    public ImagesService imagesService() {
-        return new ImagesServiceImpl(imgDir, tmpDir);
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/AnonymousUser.java b/juick-common/src/main/java/com/juick/server/helpers/AnonymousUser.java
deleted file mode 100644
index 9a201552..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/AnonymousUser.java
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-import com.juick.User;
-
-/**
- * Created by aalexeev on 12/11/16.
- */
-public final class AnonymousUser extends User {
-    public static final AnonymousUser INSTANCE = new AnonymousUser();
-
-    private AnonymousUser() {
-        super.setUid(getUid());
-        super.setName(getName());
-        super.setAvatar(getAvatar());
-        super.setFullName(getFullName());
-        super.setMessagesCount(getMessagesCount());
-        super.setAuthHash(getAuthHash());
-        super.setBanned(isBanned());
-        super.setCredentials(getCredentials());
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        return obj == this || obj instanceof AnonymousUser;
-    }
-
-    @Override
-    public int getUid() {
-        return 0;
-    }
-
-    @Override
-    public String getName() {
-        return "Anonymous";
-    }
-
-    @Override
-    public String getFullName() {
-        return getName();
-    }
-
-    @Override
-    public String getAuthHash() {
-        return null;
-    }
-
-    @Override
-    public Integer getUnreadCount() {
-        return 0;
-    }
-
-    @Override
-    public boolean isBanned() {
-        return false;
-    }
-
-    @Override
-    public Object getAvatar() {
-        return null;
-    }
-
-    @Override
-    public String getCredentials() {
-        return null;
-    }
-
-    @Override
-    public int getMessagesCount() {
-        return 0;
-    }
-
-    @Override
-    public boolean isAnonymous() {
-        return true;
-    }
-
-    @Override
-    public void setUid(int uid) {
-    }
-
-    @Override
-    public void setName(String name) {
-    }
-
-    @Override
-    public void setFullName(String fullName) {
-    }
-
-    @Override
-    public void setAuthHash(String authHash) {
-    }
-
-    @Override
-    public void setUnreadCount(Integer count) {
-    }
-
-    @Override
-    public void setBanned(boolean banned) {
-    }
-
-    @Override
-    public void setAvatar(Object avatar) {
-    }
-
-    @Override
-    public void setCredentials(String credentials) {
-    }
-
-    @Override
-    public void setMessagesCount(int messagesCount) {
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/ApplicationStatus.java b/juick-common/src/main/java/com/juick/server/helpers/ApplicationStatus.java
deleted file mode 100644
index 8f57b2a6..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/ApplicationStatus.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-import org.apache.commons.lang3.builder.ToStringBuilder;
-
-/**
- * Created by vt on 03/09/16.
- */
-public class ApplicationStatus {
-    private boolean connected;
-    private boolean crosspostEnabled;
-
-    @Override
-    public String toString() {
-        return new ToStringBuilder(this)
-                .append("connected", connected)
-                .append("crosspostEnabled", crosspostEnabled)
-                .toString();
-    }
-
-    public boolean isConnected() {
-        return connected;
-    }
-
-    public void setConnected(boolean connected) {
-        this.connected = connected;
-    }
-
-    public boolean isCrosspostEnabled() {
-        return crosspostEnabled;
-    }
-
-    public void setCrosspostEnabled(boolean crosspostEnabled) {
-        this.crosspostEnabled = crosspostEnabled;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/Auth.java b/juick-common/src/main/java/com/juick/server/helpers/Auth.java
deleted file mode 100644
index d01efadd..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/Auth.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-/**
- * Created by vt on 09/02/16.
- */
-public class Auth {
-    private String account;
-    private String authCode;
-
-    public Auth(String account, String authCode) {
-        this.account = account;
-        this.authCode = authCode;
-    }
-
-    public String getAccount() {
-        return account;
-    }
-
-    public String getAuthCode() {
-        return authCode;
-    }
-}
\ No newline at end of file
diff --git a/juick-common/src/main/java/com/juick/server/helpers/CommandResult.java b/juick-common/src/main/java/com/juick/server/helpers/CommandResult.java
deleted file mode 100644
index a5baaee0..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/CommandResult.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.juick.server.helpers;
-
-import com.fasterxml.jackson.annotation.JsonInclude;
-import com.juick.Message;
-
-import java.util.Optional;
-
-public class CommandResult {
-    private String text;
-    private String markdown;
-    private Message newMessage;
-
-    public String getText() {
-        return text;
-    }
-    public String getMarkdown() {
-        return markdown;
-    }
-
-    public Optional<Message> getNewMessage() {
-        return Optional.ofNullable(newMessage);
-    }
-    public static CommandResult build(Message newMessage, String text, String markdown) {
-        CommandResult result = new CommandResult();
-        result.newMessage = newMessage;
-        result.text = text;
-        result.markdown = markdown;
-        return result;
-    }
-    public static CommandResult fromString(String text) {
-        CommandResult result = new CommandResult();
-        result.text = text;
-        return result;
-    }
-
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/NotifyOpts.java b/juick-common/src/main/java/com/juick/server/helpers/NotifyOpts.java
deleted file mode 100644
index 0e49a424..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/NotifyOpts.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-/**
- * Created by vt on 03/09/16.
- */
-public class NotifyOpts {
-    private boolean repliesEnabled;
-    private boolean subscriptionsEnabled;
-    private boolean recommendationsEnabled;
-
-    public boolean isRepliesEnabled() {
-        return repliesEnabled;
-    }
-
-    public void setRepliesEnabled(boolean repliesEnabled) {
-        this.repliesEnabled = repliesEnabled;
-    }
-
-    public boolean isSubscriptionsEnabled() {
-        return subscriptionsEnabled;
-    }
-
-    public void setSubscriptionsEnabled(boolean subscriptionsEnabled) {
-        this.subscriptionsEnabled = subscriptionsEnabled;
-    }
-
-    public boolean isRecommendationsEnabled() {
-        return recommendationsEnabled;
-    }
-
-    public void setRecommendationsEnabled(boolean recommendationsEnabled) {
-        this.recommendationsEnabled = recommendationsEnabled;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/PrivacyOpts.java b/juick-common/src/main/java/com/juick/server/helpers/PrivacyOpts.java
deleted file mode 100644
index 86281d4a..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/PrivacyOpts.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-/**
- * Created by vt on 16/01/16.
- */
-public class PrivacyOpts {
-    private int uid;
-    private int privacy;
-
-    public PrivacyOpts() {
-
-    }
-
-    public int getUid() {
-        return uid;
-    }
-
-    public void setUid(int uid) {
-        this.uid = uid;
-    }
-
-    public int getPrivacy() {
-        return privacy;
-    }
-
-    public void setPrivacy(int privacy) {
-        this.privacy = privacy;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/PrivateChats.java b/juick-common/src/main/java/com/juick/server/helpers/PrivateChats.java
deleted file mode 100644
index 6e446f98..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/PrivateChats.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.juick.User;
-
-import java.util.List;
-
-/**
- * Created by vt on 24/11/2016.
- */
-public class PrivateChats {
-    private List<User> users;
-
-    @JsonProperty("pms")
-    public List<User> getUsers() {
-        return users;
-    }
-
-    public void setUsers(List<User> users) {
-        this.users = users;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/ResponseReply.java b/juick-common/src/main/java/com/juick/server/helpers/ResponseReply.java
deleted file mode 100644
index 91ba2b8a..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/ResponseReply.java
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-import java.util.Date;
-
-/**
- * Created by vitalyster on 13.12.2016.
- */
-public class ResponseReply {
-    private String muname;
-    private int mid;
-    private int rid;
-    private String uname;
-    private String description;
-    private Date pubDate;
-    private String attachmentType;
-
-    public String getMuname() {
-        return muname;
-    }
-
-    public void setMuname(String muname) {
-        this.muname = muname;
-    }
-
-    public int getMid() {
-        return mid;
-    }
-
-    public void setMid(int mid) {
-        this.mid = mid;
-    }
-
-    public int getRid() {
-        return rid;
-    }
-
-    public void setRid(int rid) {
-        this.rid = rid;
-    }
-
-    public String getUname() {
-        return uname;
-    }
-
-    public void setUname(String uname) {
-        this.uname = uname;
-    }
-
-    public String getDescription() {
-        return description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-
-    public Date getPubDate() {
-        return pubDate;
-    }
-
-    public void setPubDate(Date pubDate) {
-        this.pubDate = pubDate;
-    }
-
-    public String getAttachmentType() {
-        return attachmentType;
-    }
-
-    public void setAttachmentType(String attachmentType) {
-        this.attachmentType = attachmentType;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/TagStats.java b/juick-common/src/main/java/com/juick/server/helpers/TagStats.java
deleted file mode 100644
index ab24983f..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/TagStats.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.juick.Tag;
-
-/**
- * Created by vitalyster on 01.12.2016.
- */
-public class TagStats {
-    private Tag tag;
-    private int usageCount;
-
-    public Tag getTag() {
-        return tag;
-    }
-
-    public void setTag(Tag tag) {
-        this.tag = tag;
-    }
-
-    @JsonProperty("messages")
-    public int getUsageCount() {
-        return usageCount;
-    }
-
-    public void setUsageCount(int usageCount) {
-        this.usageCount = usageCount;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/UserInfo.java b/juick-common/src/main/java/com/juick/server/helpers/UserInfo.java
deleted file mode 100644
index 284cd2e8..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/UserInfo.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers;
-
-/**
- * Created by vt on 03/09/16.
- */
-public class UserInfo {
-    private String fullName;
-    private String country;
-    private String url;
-    private String description;
-
-    public String getFullName() {
-        return fullName;
-    }
-
-    public void setFullName(String fullName) {
-        this.fullName = fullName;
-    }
-
-    public String getCountry() {
-        return country;
-    }
-
-    public void setCountry(String country) {
-        this.country = country;
-    }
-
-    public String getUrl() {
-        return url;
-    }
-
-    public void setUrl(String url) {
-        this.url = url;
-    }
-
-    public String getDescription() {
-        return description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/helpers/annotation/UserCommand.java b/juick-common/src/main/java/com/juick/server/helpers/annotation/UserCommand.java
deleted file mode 100644
index 4f07001c..00000000
--- a/juick-common/src/main/java/com/juick/server/helpers/annotation/UserCommand.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.helpers.annotation;
-
-import org.apache.commons.lang3.StringUtils;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * Created by oxpa on 22.03.16.
- */
-@Target({ElementType.TYPE, ElementType.METHOD})
-@Retention(RetentionPolicy.RUNTIME)
-public @interface UserCommand {
-    /**
-     *
-     * @return a command pattern
-     */
-    String pattern() default StringUtils.EMPTY;
-
-    /**
-     *
-     * @return pattern flags
-     */
-    int patternFlags() default 0;
-
-    /**
-     *
-     * @return a string used in HELP command output. Basically, only 1 string
-     */
-    String help() default StringUtils.EMPTY;
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/HttpBadRequestException.java b/juick-common/src/main/java/com/juick/server/util/HttpBadRequestException.java
deleted file mode 100644
index 242f2b09..00000000
--- a/juick-common/src/main/java/com/juick/server/util/HttpBadRequestException.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.http.HttpStatus;
-import org.springframework.web.bind.annotation.ResponseStatus;
-
-/**
- * Created by vt on 24/11/2016.
- */
-@ResponseStatus(value = HttpStatus.BAD_REQUEST)
-public class HttpBadRequestException extends RuntimeException {
-    public HttpBadRequestException() {
-        super("the request was bad", null, false, false);
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/HttpForbiddenException.java b/juick-common/src/main/java/com/juick/server/util/HttpForbiddenException.java
deleted file mode 100644
index 3251ca38..00000000
--- a/juick-common/src/main/java/com/juick/server/util/HttpForbiddenException.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.http.HttpStatus;
-import org.springframework.web.bind.annotation.ResponseStatus;
-
-/**
- * Created by vt on 24/11/2016.
- */
-@ResponseStatus(value = HttpStatus.FORBIDDEN)
-public class HttpForbiddenException extends RuntimeException {
-    public HttpForbiddenException() {
-        super(StringUtils.EMPTY, null, false, false);
-    }
-
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/HttpNotFoundException.java b/juick-common/src/main/java/com/juick/server/util/HttpNotFoundException.java
deleted file mode 100644
index f66ece8b..00000000
--- a/juick-common/src/main/java/com/juick/server/util/HttpNotFoundException.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.http.HttpStatus;
-import org.springframework.web.bind.annotation.ResponseStatus;
-
-/**
- * Created by vt on 24/11/2016.
- */
-@ResponseStatus(value = HttpStatus.NOT_FOUND)
-public class HttpNotFoundException extends RuntimeException {
-    public HttpNotFoundException() {
-        super(StringUtils.EMPTY, null, false, false);
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/HttpUtils.java b/juick-common/src/main/java/com/juick/server/util/HttpUtils.java
deleted file mode 100644
index 9f356aa5..00000000
--- a/juick-common/src/main/java/com/juick/server/util/HttpUtils.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import org.apache.commons.codec.digest.DigestUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.web.multipart.MultipartFile;
-
-import javax.imageio.ImageIO;
-import javax.imageio.ImageReader;
-import javax.imageio.stream.ImageInputStream;
-import java.io.BufferedInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URI;
-import java.net.URL;
-import java.net.URLConnection;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.Iterator;
-import java.util.UUID;
-
-/**
- *
- * @author Ugnich Anton
- */
-public class HttpUtils {
-    private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class);
-
-    public static URI receiveMultiPartFile(MultipartFile attach, String tmpDir) throws IOException {
-        if (attach != null && !attach.isEmpty()) {
-            ImageInputStream iis = ImageIO.createImageInputStream(attach.getInputStream());
-            Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
-
-            String format = StringUtils.EMPTY;
-            while (readers.hasNext()) {
-                ImageReader read = readers.next();
-                format = read.getFormatName();
-            }
-            String attachmentType = attachmentTypeFromFormat(format);
-            if (attachmentType.equals("jpg") || attachmentType.equals("png")) {
-                String attachmentFName = DigestUtils.md5Hex(UUID.randomUUID().toString()) + "." + attachmentType;
-                try {
-                    Files.write(Paths.get(tmpDir, attachmentFName),
-                            attach.getBytes());
-                    return URI.create(String.format("juick://%s", attachmentFName));
-                } catch (IOException e) {
-                    logger.warn("file receive error", e);
-                }
-            }
-            logger.warn("file type is unknown: {}", attach.getOriginalFilename());
-        }
-        return URI.create(StringUtils.EMPTY);
-    }
-
-    private static String attachmentTypeFromFormat(String format) throws IOException {
-        if (format != null && format.equals("JPEG")) {
-            return "jpg";
-        } else if (format != null && format.equals("png")) {
-            return "png";
-        } else {
-            throw new IOException("Wrong file type: " + format);
-        }
-    }
-
-    public static URI downloadImage(URL url, String tmpDir) throws IOException {
-        ImageInputStream iis = ImageIO.createImageInputStream(url.openStream());
-        Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
-
-        String format = StringUtils.EMPTY;
-        while (readers.hasNext()) {
-            ImageReader read = readers.next();
-            format = read.getFormatName();
-        }
-        URLConnection urlConn;
-        try {
-            urlConn = url.openConnection();
-        } catch (IOException e) {
-            logger.error(String.format("Failed open url: %s", url.toString()));
-            throw e;
-        }
-
-        try (InputStream is = new BufferedInputStream(urlConn.getInputStream())) {
-            String attachmentType = attachmentTypeFromFormat(format);
-
-            String attachmentFName = DigestUtils.md5Hex(UUID.randomUUID().toString()) + "." + attachmentType;
-            Files.copy(is, Paths.get(tmpDir, attachmentFName));
-            return URI.create(String.format("juick://%s", attachmentFName));
-        } catch (IOException e) {
-            logger.error(String.format("Failed download image by url: %s", url.toString()), e);
-            throw e;
-        }
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/ImageUtils.java b/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
deleted file mode 100644
index d16faf8f..00000000
--- a/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
+++ /dev/null
@@ -1,175 +0,0 @@
-
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import com.juick.Attachment;
-import org.apache.commons.imaging.ImageReadException;
-import org.apache.commons.imaging.Imaging;
-import org.apache.commons.imaging.common.ImageMetadata;
-import org.apache.commons.imaging.formats.jpeg.JpegImageMetadata;
-import org.apache.commons.imaging.formats.tiff.TiffField;
-import org.apache.commons.imaging.formats.tiff.constants.TiffTagConstants;
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.FilenameUtils;
-import org.imgscalr.Scalr;
-import org.imgscalr.Scalr.Rotation;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.imageio.ImageIO;
-import javax.imageio.ImageReader;
-import javax.imageio.stream.FileImageInputStream;
-import javax.imageio.stream.ImageInputStream;
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.StandardCopyOption;
-import java.util.Iterator;
-
-public class ImageUtils {
-    private static final Logger logger = LoggerFactory.getLogger(ImageUtils.class);
-
-    private String imgDir;
-    private String tmpDir;
-
-    public ImageUtils(String imgDir, String tmpDir) {
-        this.imgDir = imgDir;
-        this.tmpDir = tmpDir;
-    }
-/**
- * Returns <code>BufferedImage</code>, same as <code>ImageIO.read()</code> does.
- *
- * <p>JPEG images with EXIF metadata are rotated according to Orientation tag.
- *
- * @param imageFile a <code>File</code> to read from.
- */
-    private static BufferedImage readImageWithOrientation(File imageFile)
-            throws IOException {
-
-        BufferedImage image = ImageIO.read(imageFile);
-        if (!FilenameUtils.getExtension(imageFile.getName()).equals("jpg")) {
-            return image;
-        }
-
-        try {
-            ImageMetadata metadata = Imaging.getMetadata(imageFile);
-
-            if (metadata instanceof JpegImageMetadata) {
-                JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
-                TiffField orientationField = jpegMetadata.findEXIFValue(TiffTagConstants.TIFF_TAG_ORIENTATION);
-
-                if (orientationField != null) {
-                    int orientation = orientationField.getIntValue();
-                    switch (orientation) {
-                        case TiffTagConstants.ORIENTATION_VALUE_ROTATE_90_CW:
-                            image = Scalr.rotate(image, Rotation.CW_90);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_ROTATE_180:
-                            image = Scalr.rotate(image, Rotation.CW_180);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_ROTATE_270_CW:
-                            image = Scalr.rotate(image, Rotation.CW_270);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL:
-                            image = Scalr.rotate(image, Rotation.FLIP_HORZ);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_MIRROR_VERTICAL:
-                            image = Scalr.rotate(image, Rotation.FLIP_VERT);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_90_CW:
-                            image = Scalr.rotate(Scalr.rotate(image, Rotation.FLIP_HORZ), Rotation.CW_90);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_270_CW:
-                            image = Scalr.rotate(Scalr.rotate(image, Rotation.FLIP_HORZ), Rotation.CW_270);
-                            break;
-                        case TiffTagConstants.ORIENTATION_VALUE_HORIZONTAL_NORMAL:
-                        default:
-                            // do nothing
-                            break;
-                    }
-                }
-            }
-        } catch (ImageReadException e) {
-            // failed to read metadata.
-            // nothing to do here, return image as is.
-        }
-
-        return image;
-    }
-
-    public void saveImageWithPreviews(String tempFilename, String outputFilename)
-            throws IOException {
-        String ext = FilenameUtils.getExtension(outputFilename);
-
-        Path outputImagePath = Paths.get(imgDir, "p", outputFilename);
-        // this throws strange exceptions
-        // Files.move(Paths.get(tmpDir, tempFilename), outputImagePath);
-        FileUtils.moveFile(Paths.get(tmpDir, tempFilename).toFile(), outputImagePath.toFile());
-        BufferedImage originalImage = readImageWithOrientation(outputImagePath.toFile());
-
-        int width = originalImage.getWidth();
-        int height = originalImage.getHeight();
-        int maxDimension = (width > height) ? width : height;
-        BufferedImage image1024 = (maxDimension > 1024) ? Scalr.resize(originalImage, 1024) : originalImage;
-        BufferedImage image0512 = (maxDimension > 512) ? Scalr.resize(originalImage, 512) : originalImage;
-        BufferedImage image0160 = (maxDimension > 160) ? Scalr.resize(originalImage, 160) : originalImage;
-        ImageIO.write(image1024, ext, Paths.get(imgDir, "photos-1024", outputFilename).toFile());
-        ImageIO.write(image0512, ext, Paths.get(imgDir, "photos-512", outputFilename).toFile());
-        ImageIO.write(image0160, ext, Paths.get(imgDir, "ps", outputFilename).toFile());
-    }
-
-    public void saveAvatar(String tempFilename, int uid)
-            throws IOException {
-        String ext = FilenameUtils.getExtension(tempFilename);
-        String originalName = String.format("%s.%s", uid, ext);
-        Path originalPath = Paths.get(imgDir, "ao", originalName);
-        Files.move(Paths.get(tmpDir, tempFilename), originalPath, StandardCopyOption.REPLACE_EXISTING);
-        BufferedImage originalImage = ImageIO.read(originalPath.toFile());
-
-        String targetExt = "png";
-        String targetName = String.format("%s.%s", uid, targetExt);
-        ImageIO.write(Scalr.resize(originalImage, 96), targetExt, Paths.get(imgDir, "a", targetName).toFile());
-        ImageIO.write(Scalr.resize(originalImage, 32), targetExt, Paths.get(imgDir, "as", targetName).toFile());
-    }
-    public Attachment getAttachment(File imgFile) throws IOException {
-        Attachment attachment = new Attachment();
-        try (ImageInputStream stream = ImageIO.createImageInputStream(imgFile)) {
-            Iterator<ImageReader> iter = ImageIO.getImageReaders(stream);
-            while (iter.hasNext()) {
-                ImageReader reader = iter.next();
-                try {
-                    reader.setInput(stream);
-                    attachment.setWidth(reader.getWidth(reader.getMinIndex()));
-                    attachment.setHeight(reader.getHeight(reader.getMinIndex()));
-                    return attachment;
-                } catch (Exception e) {
-                    logger.debug("Error reading {}, trying next reader", imgFile.getAbsolutePath());
-                } finally {
-                    reader.dispose();
-                }
-            }
-        }
-
-        logger.warn("Not a known image file {}", imgFile.getAbsolutePath());
-        return attachment;
-    }
-}
\ No newline at end of file
diff --git a/juick-common/src/main/java/com/juick/server/util/TagUtils.java b/juick-common/src/main/java/com/juick/server/util/TagUtils.java
deleted file mode 100644
index cb828933..00000000
--- a/juick-common/src/main/java/com/juick/server/util/TagUtils.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import com.juick.Tag;
-import org.apache.commons.collections4.CollectionUtils;
-import org.apache.commons.lang3.StringUtils;
-
-import java.util.List;
-import java.util.stream.Collectors;
-
-/**
- * Created by aalexeev on 11/13/16.
- */
-public class TagUtils {
-    private TagUtils() {
-        throw new IllegalStateException();
-    }
-
-    public static String toString(final List<Tag> tags) {
-        if (CollectionUtils.isEmpty(tags))
-            return StringUtils.EMPTY;
-
-        return tags.stream().map(t -> "*" + t.getName())
-                .collect(Collectors.joining(" "));
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/UserUtils.java b/juick-common/src/main/java/com/juick/server/util/UserUtils.java
deleted file mode 100644
index ab5c320b..00000000
--- a/juick-common/src/main/java/com/juick/server/util/UserUtils.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import com.juick.User;
-import com.juick.server.helpers.AnonymousUser;
-import com.juick.service.security.entities.JuickUser;
-import javax.annotation.Nonnull;
-import org.springframework.security.core.Authentication;
-import org.springframework.security.core.context.SecurityContextHolder;
-
-/**
- * Created by aalexeev on 11/14/16.
- */
-public class UserUtils {
-    private UserUtils() {
-        throw new IllegalStateException();
-    }
-
-    public static Authentication getAuthentication() {
-        return SecurityContextHolder.getContext().getAuthentication();
-    }
-
-    public static Object getPrincipal(final Authentication authentication) {
-        return authentication == null ? null : authentication.getPrincipal();
-    }
-
-    @Nonnull
-    public static User getCurrentUser() {
-        Object principal = getPrincipal(getAuthentication());
-
-        if (principal instanceof JuickUser)
-            return ((JuickUser) principal).getUser();
-
-        if (principal instanceof User)
-            return (User) principal;
-
-        return AnonymousUser.INSTANCE;
-    }
-}
diff --git a/juick-common/src/main/java/com/juick/server/util/WebUtils.java b/juick-common/src/main/java/com/juick/server/util/WebUtils.java
deleted file mode 100644
index 9dd628ee..00000000
--- a/juick-common/src/main/java/com/juick/server/util/WebUtils.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (C) 2008-2017, 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.server.util;
-
-import java.util.regex.Pattern;
-
-/**
- * Created by aalexeev on 11/28/16.
- */
-public class WebUtils {
-    private WebUtils() {
-        throw new IllegalStateException();
-    }
-
-    private static final Pattern USER_NAME_PATTERN = Pattern.compile("[a-zA-Z-_\\d]{2,16}");
-
-    private static final Pattern POST_NUMBER_PATTERN = Pattern.compile("-?\\d+");
-
-    private static final Pattern JID_PATTERN = Pattern.compile("^[a-zA-Z0-9\\\\-\\\\_\\\\@\\\\.]{6,64}$");
-
-
-    public static boolean isPostNumber(final String aString) {
-        return aString != null && POST_NUMBER_PATTERN.matcher(aString).matches();
-    }
-
-    public static boolean isNotPostNumber(final String aString) {
-        return !isPostNumber(aString);
-    }
-
-    public static boolean isUserName(final String aString) {
-        return aString != null && USER_NAME_PATTERN.matcher(aString).matches();
-    }
-
-    public static boolean isNotUserName(final String aString) {
-        return !isUserName(aString);
-    }
-
-    public static boolean isJid(final String aString) {
-        return aString != null && JID_PATTERN.matcher(aString).matches();
-    }
-
-    public static boolean isNotJid(final String aString) {
-        return !isJid(aString);
-    }
-
-
-}