1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Copyright (C) 2008-2022, 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.model.Chat;
import com.juick.model.User;
import com.juick.model.Message;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.SqlParameterSource;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
/**
* Created by aalexeev on 11/13/16.
*/
@Repository
public class ChatServiceImpl extends BaseJdbcService implements ChatService {
@Transactional
@Override
public boolean createMessage(final int uidFrom, final int uid_to, final String body) {
return getJdbcTemplate().update(
"INSERT INTO pm(user_id, user_id_to, txt) VALUES (?, ?, ?)",
uidFrom, uid_to, body) > 0;
}
@Transactional(readOnly = true)
@Override
public List<Chat> getLastChats(final User user) {
return getJdbcTemplate().query(
"SELECT l.user_id, users.nick, l.last, pm.txt FROM pm "
+ "INNER JOIN users ON users.id = pm.user_id "
+ ""
+ "INNER JOIN (SELECT user_id, MAX(ts) AS last FROM pm "
+ "WHERE user_id_to=? GROUP BY user_id) l ON l.last = pm.ts "
+ "WHERE pm.user_id_to=? "
+ "ORDER BY l.last DESC",
(rs, rowNum) -> {
Chat u = new Chat();
u.setUid(rs.getInt(1));
u.setName(rs.getString(2));
u.setLastMessageTimestamp(rs.getTimestamp(3).toInstant());
u.setLastMessageText(rs.getString(4).trim());
return u;
},
user.getUid(), user.getUid());
}
@Transactional
@Override
public List<Message> getChat(final int uid, final int uidTo) {
SqlParameterSource sqlParameterSource = new MapSqlParameterSource()
.addValue("uid", uid)
.addValue("uidTo", uidTo);
return getNamedParameterJdbcTemplate().query(
"SELECT pm.user_id, pm.txt, pm.ts, users.nick FROM pm INNER JOIN users ON users.id=pm.user_id WHERE (user_id = :uid AND user_id_to = :uidTo) "
+ "OR (user_id_to = :uid AND user_id = :uidTo) ORDER BY ts DESC OFFSET 0 ROWS FETCH NEXT 20 ROWS ONLY",
sqlParameterSource,
(rs, rowNum) -> {
Message msg = new Message();
int uuid = rs.getInt(1);
User user = new User();
user.setUid(uuid);
user.setName(rs.getString(4));
msg.setUser(user);
msg.setText(rs.getString(2).trim());
msg.setCreated(rs.getTimestamp(3).toInstant());
return msg;
});
}
@Transactional(readOnly = true)
@Override
public List<Message> getInbox(final int uid) {
return getJdbcTemplate().query(
"SELECT pm.user_id, users.nick, pm.txt, pm.ts " +
"FROM pm INNER JOIN users ON pm.user_id=users.id WHERE pm.user_id_to=? ORDER BY pm.ts DESC OFFSET 0 ROWS FETCH NEXT 20 ROWS ONLY",
(rs, num) -> {
Message msg = new Message();
msg.setUser(new User());
msg.getUser().setUid(rs.getInt(1));
msg.getUser().setName(rs.getString(2));
msg.setText(rs.getString(3).trim());
msg.setCreated(rs.getTimestamp(4).toInstant());
return msg;
},
uid);
}
@Transactional(readOnly = true)
@Override
public List<Message> getOutbox(final int uid) {
return getJdbcTemplate().query(
"SELECT pm.user_id_to, users.nick, pm.txt, " +
"pm.ts FROM pm INNER JOIN users ON pm.user_id_to=users.id " +
"WHERE pm.user_id=? ORDER BY pm.ts DESC OFFSET 0 ROWS FETCH NEXT 20 ROWS ONLY",
(rs, num) -> {
Message msg = new Message();
msg.setUser(new User());
msg.getUser().setUid(rs.getInt(1));
msg.getUser().setName(rs.getString(2));
msg.setText(rs.getString(3).trim());
msg.setCreated(rs.getTimestamp(4).toInstant());
return msg;
},
uid);
}
}
|
