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package com.juick.service;
import com.juick.Tag;
import com.juick.User;
import com.juick.server.helpers.NotifyOpts;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;
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 {
private final UserService userService;
private final MessagesService messagesService;
private final TagService tagService;
@Inject
public SubscriptionServiceImpl(JdbcTemplate jdbcTemplate, UserService userService,
MessagesService messagesService, TagService tagService) {
super(jdbcTemplate, null);
Assert.notNull(userService);
this.userService = userService;
Assert.notNull(messagesService);
this.messagesService = messagesService;
Assert.notNull(tagService);
this.tagService = tagService;
}
@Transactional(readOnly = true)
@Override
public List<String> getJIDSubscribedToUser(final int uid, final boolean friendsonly) {
return getNamedParameterJdbcTemplate().queryForList(
"SELECT jids.jid FROM subscr_users INNER JOIN jids " +
"ON (subscr_users.user_id = :uid AND subscr_users.suser_id = jids.user_id) WHERE jids.active = 1 " +
(friendsonly ?
" AND EXISTS (SELECT 1 FROM wl_users w WHERE w.user_id = :uid and jids.user_id = w.wl_user_id)" : ""),
new MapSqlParameterSource("uid", uid),
String.class);
}
@Transactional(readOnly = true)
@Override
public List<User> getSubscribedUsers(final int uid, final int mid) {
User author = messagesService.getMessageAuthor(mid);
List<User> userids = userService.getUserReaders(uid);
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(
userids.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);
}
@Transactional(readOnly = true)
@Override
public List<User> getUsersSubscribedToComments(final int mid, final int ignore_uid) {
List<Integer> userids = getJdbcTemplate().queryForList(
"SELECT suser_id FROM subscr_messages WHERE message_id=? AND suser_id!=?",
Integer.class,
mid, ignore_uid);
if (!userids.isEmpty())
return userService.getUsersByID(userids);
return Collections.emptyList();
}
@Transactional(readOnly = true)
@Override
public List<User> getUsersSubscribedToUserRecommendations(final int uid, final int mid, final int muid) {
List<Integer> tags = tagService.getMessageTagsIDs(mid);
String query = "SELECT s.suser_id FROM subscr_users s WHERE s.user_id = :uid " +
" AND NOT EXISTS (SELECT 1 FROM bl_users b WHERE b.bl_user_id = :muid and b.user_id = s.user_id) " +
" AND NOT EXISTS (SELECT 1 FROM subscr_users s1 WHERE s1.user_id = :muid AND s.user_id = s1.suser_id) " +
" AND NOT EXISTS (SELECT 1 FROM subscr_messages sm WHERE sm.message_id = :mid AND s.user_id = sm.suser_id) " +
" AND NOT EXISTS (SELECT 1 FROM favorites WHERE favorites.message_id = :mid AND favorites.user_id = s.user_id) " +
" AND s.user_id NOT IN (SELECT s2.suser_id FROM subscr_users s2 " +
" INNER JOIN favorites f ON (f.message_id = :mid AND s2.user_id = f.user_id AND f.user_id != :uid))";
MapSqlParameterSource sqlParameterSource = new MapSqlParameterSource()
.addValue("uid", uid)
.addValue("muid", muid)
.addValue("mid", mid);
if (!tags.isEmpty()) {
sqlParameterSource.addValue("ids", tags);
query += " AND NOT EXISTS (SELECT 1 FROM subscr_tags st WHERE st.tag_id IN (:ids) AND s.user_id = st.suser_id) " +
" AND NOT EXISTS (SELECT 1 FROM bl_tags b WHERE b.tag_id IN (:ids) AND s.user_id = b.user_id)";
}
List<Integer> userids = getNamedParameterJdbcTemplate().queryForList(
query, sqlParameterSource, Integer.class);
return userService.getUsersByID(userids);
}
@Transactional
@Override
public boolean subscribeMessage(final int mid, final int vuid) {
return getJdbcTemplate().update(
"INSERT IGNORE INTO subscr_messages(suser_id, message_id) VALUES (?, ?)", vuid, mid) == 1;
}
@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) {
return getJdbcTemplate().update(
"INSERT IGNORE INTO subscr_users(user_id,suser_id) VALUES (?,?)", toUser.getUid(), user.getUid()) == 1;
}
@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) {
return getJdbcTemplate().update(
"INSERT IGNORE INTO subscr_tags(tag_id,suser_id) VALUES (?,?)", toTag.TID, user.getUid()) == 1;
}
@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 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;
}
}
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