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+/*
+ * 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.service;
+
+import com.juick.Message;
+import com.juick.Tag;
+import com.juick.User;
+import com.juick.model.NotifyOpts;
+import com.juick.util.MessageUtils;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.IteratorUtils;
+import org.apache.commons.collections4.ListUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.dao.DuplicateKeyException;
+import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * Created by aalexeev on 11/13/16.
+ */
+@Repository
+public class SubscriptionServiceImpl extends BaseJdbcService implements SubscriptionService {
+ @Inject
+ private UserService userService;
+ @Inject
+ private MessagesService messagesService;
+ @Inject
+ private TagService tagService;
+
+ @Transactional(readOnly = true)
+ @Override
+ public List<User> getSubscribedUsers(final int uid, final Message msg) {
+ int mid = msg.getMid();
+ User author = messagesService.getMessageAuthor(mid);
+
+ List<User> subscribers = userService.getUserReaders(uid);
+ List<User> mentionedUsers = userService.getUsersByName(MessageUtils.getMentions(msg).stream()
+ .map(u -> u.substring(1)).collect(Collectors.toList()));
+ List<User> users = ListUtils.union(subscribers, mentionedUsers);
+ List<Integer> tags = tagService.getMessageTagsIDs(mid);
+ List<String> tagsStr = tagService.getMessageTags(mid).stream().map(t -> t.getTag().getName()).collect(Collectors.toList());
+
+ Set<Integer> set = new HashSet<>();
+ set.addAll(
+ users.stream()
+ .map(User::getUid).filter(u -> Collections.disjoint(tagService.getUserBLTags(u), tagsStr))
+ .collect(Collectors.toList()));
+
+
+ if (!tags.isEmpty()) {
+ List<Integer> tagUsers = getNamedParameterJdbcTemplate().queryForList(
+ "SELECT st.suser_id FROM subscr_tags st " +
+ "WHERE st.tag_id IN (:ids) AND st.suser_id != :uid " +
+ " AND NOT EXISTS (SELECT 1 FROM bl_users bu WHERE bu.bl_user_id = :authorUid and st.suser_id = bu.user_id)" +
+ " AND NOT EXISTS (SELECT 1 FROM bl_tags bt WHERE bt.tag_id IN (:ids) and st.suser_id = bt.user_id)",
+ new MapSqlParameterSource()
+ .addValue("ids", tags)
+ .addValue("uid", uid)
+ .addValue("authorUid", author.getUid()),
+ Integer.class);
+ set.addAll(tagUsers);
+ }
+ return userService.getUsersByID(set);
+ }
+ @Override
+ public List<User> getUsersSubscribedToComments(@Nonnull final Message msg, @Nonnull final Message reply) {
+ return getUsersSubscribedToComments(msg, reply, false);
+ }
+
+ @Transactional(readOnly = true)
+ @Override
+ public List<User> getUsersSubscribedToComments(@Nonnull final Message msg, @Nonnull final Message reply,
+ boolean blacklisted) {
+ List<User> subscribers = userService.getUsersByID(getJdbcTemplate().queryForList(
+ "SELECT suser_id FROM subscr_messages WHERE message_id=? AND suser_id!=?",
+ Integer.class,
+ msg.getMid(), reply.getUser().getUid()));
+ List<User> mentionedUsers = userService.getUsersByName(MessageUtils.getMentions(reply).stream()
+ .map(u -> u.substring(1)).collect(Collectors.toList()));
+ List<User> users = IteratorUtils.toList(CollectionUtils.union(subscribers, mentionedUsers).iterator());
+ if (!users.isEmpty()) {
+ return users.stream()
+ .filter(u -> blacklisted || !userService.isReplyToBL(u, reply))
+ .collect(Collectors.toList());
+ }
+ return Collections.emptyList();
+ }
+
+ @Override
+ public List<User> getUsersSubscribedToUserRecommendations(final int uid, final Message msg) {
+ List<String> msgTags = tagService.getMessageTags(msg.getMid()).stream().map(t -> t.getTag().getName()).collect(Collectors.toList());
+ if (msg.getLikes() == 1) {
+ return userService.getUserReaders(uid).stream()
+ .filter(u -> !u.equals(msg.getUser()))
+ .filter(u -> !userService.isInBLAny(u.getUid(), msg.getUser().getUid()))
+ .filter(u -> Collections.disjoint(tagService.getUserBLTags(u.getUid()), msgTags))
+ .collect(Collectors.toList());
+ }
+ return Collections.emptyList();
+ }
+
+ @Transactional
+ @Override
+ public boolean subscribeMessage(final Message message, final User user) {
+ try {
+ boolean result = getJdbcTemplate().update(
+ "INSERT INTO subscr_messages(suser_id, message_id) VALUES (?, ?)", user.getUid(), message.getMid()) == 1;
+ messagesService.setLastReadComment(user, message.getMid(), message.getReplies());
+ return result;
+ } catch (DuplicateKeyException e) {
+ return true;
+ }
+ }
+
+ @Transactional
+ @Override
+ public boolean unSubscribeMessage(final int mid, final int vuid) {
+ return getJdbcTemplate().update(
+ "DELETE FROM subscr_messages WHERE message_id=? AND suser_id=?", mid, vuid) > 0;
+ }
+
+ @Transactional
+ @Override
+ public boolean subscribeUser(final User user, final User toUser) {
+ try {
+ return getJdbcTemplate().update(
+ "INSERT INTO subscr_users(user_id,suser_id) VALUES (?,?)", toUser.getUid(), user.getUid()) == 1;
+ } catch (DuplicateKeyException e) {
+ return true;
+ }
+ }
+
+ @Transactional
+ @Override
+ public boolean unSubscribeUser(final User user, final User fromUser) {
+ return getJdbcTemplate().update(
+ "DELETE FROM subscr_users WHERE suser_id=? AND user_id=?", user.getUid(), fromUser.getUid()) > 0;
+ }
+
+ @Transactional
+ @Override
+ public boolean subscribeTag(final User user, final Tag toTag) {
+ try {
+
+ return getJdbcTemplate().update(
+ "INSERT INTO subscr_tags(tag_id,suser_id) VALUES (?,?)", toTag.TID, user.getUid()) == 1;
+ } catch (DuplicateKeyException e) {
+ return true;
+ }
+ }
+
+ @Transactional
+ @Override
+ public boolean unSubscribeTag(final User user, final Tag toTag) {
+ return getJdbcTemplate().update(
+ "DELETE FROM subscr_tags WHERE tag_id=? AND suser_id=?", toTag.TID, user.getUid()) > 0;
+ }
+
+ @Transactional(readOnly = true)
+ @Override
+ public List<String> getSubscribedTags(User user) {
+ return getJdbcTemplate().queryForList("SELECT tags.name FROM subscr_tags INNER JOIN tags " +
+ "ON(tags.tag_id = subscr_tags.tag_id) " +
+ "WHERE subscr_tags.suser_id=? ORDER BY tags.name", String.class, user.getUid());
+ }
+
+ @Transactional(readOnly = true)
+ @Override
+ public NotifyOpts getNotifyOptions(final User user) {
+ List<NotifyOpts> list = getJdbcTemplate().query(
+ "SELECT jnotify,subscr_notify,recommendations FROM useroptions WHERE user_id=?",
+ (rs, num) -> {
+ NotifyOpts options = new NotifyOpts();
+ options.setRepliesEnabled(rs.getInt(1) > 0);
+ options.setSubscriptionsEnabled(rs.getInt(2) > 0);
+ options.setRecommendationsEnabled(rs.getInt(3) > 0);
+ return options;
+ },
+ user.getUid());
+
+ return list.isEmpty() ?
+ new NotifyOpts() : list.get(0);
+ }
+
+ @Transactional
+ @Override
+ public boolean setNotifyOptions(final User user, final NotifyOpts options) {
+ int jnotify = getJdbcTemplate().update(
+ "UPDATE useroptions SET jnotify=? WHERE user_id=?",
+ options.isRepliesEnabled() ? 1 : 0,
+ user.getUid());
+
+ int subscr_notify = getJdbcTemplate().update(
+ "UPDATE useroptions SET subscr_notify=? WHERE user_id=?",
+ options.isSubscriptionsEnabled() ? 1 : 0,
+ user.getUid());
+
+ int recommendations = getJdbcTemplate().update(
+ "UPDATE useroptions SET recommendations=? WHERE user_id=?",
+ options.isRecommendationsEnabled() ? 1 : 0,
+ user.getUid());
+
+ return jnotify > 0 && subscr_notify > 0 && recommendations > 0;
+ }
+}