1 | /*************************************************************************** |
2 | * Copyright (C) 2005-2014 by the Quassel Project * |
3 | * devel@quassel-irc.org * |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 of the License, or * |
8 | * (at your option) version 3. * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
19 | ***************************************************************************/ |
20 | |
21 | #include "corebacklogmanager.h" |
22 | #include "core.h" |
23 | #include "coresession.h" |
24 | |
25 | #include <QDebug> |
26 | |
27 | INIT_SYNCABLE_OBJECT(CoreBacklogManager) |
28 | CoreBacklogManager::CoreBacklogManager(CoreSession *coreSession) |
29 | : BacklogManager(coreSession), |
30 | _coreSession(coreSession) |
31 | { |
32 | } |
33 | |
34 | |
35 | QVariantList CoreBacklogManager::requestBacklog(BufferId bufferId, MsgId first, MsgId last, int limit, int additional) |
36 | { |
37 | QVariantList backlog; |
38 | QList<Message> msgList; |
39 | msgList = Core::requestMsgs(coreSession()->user(), bufferId, first, last, limit); |
40 | |
41 | QList<Message>::const_iterator msgIter = msgList.constBegin(); |
42 | QList<Message>::const_iterator msgListEnd = msgList.constEnd(); |
43 | while (msgIter != msgListEnd) { |
44 | backlog << qVariantFromValue(*msgIter); |
45 | msgIter++; |
46 | } |
47 | |
48 | if (additional && limit != 0) { |
49 | MsgId oldestMessage = first; |
50 | if (!msgList.isEmpty()) { |
51 | if (msgList.first().msgId() < msgList.last().msgId()) |
52 | oldestMessage = msgList.first().msgId(); |
53 | else |
54 | oldestMessage = msgList.last().msgId(); |
55 | } |
56 | |
57 | if (first != -1) { |
58 | last = first; |
59 | } |
60 | else { |
61 | last = oldestMessage; |
62 | } |
63 | |
64 | // only fetch additional messages if they continue seemlessly |
65 | // that is, if the list of messages is not truncated by the limit |
66 | if (last == oldestMessage) { |
67 | msgList = Core::requestMsgs(coreSession()->user(), bufferId, -1, last, additional); |
68 | msgIter = msgList.constBegin(); |
69 | msgListEnd = msgList.constEnd(); |
70 | while (msgIter != msgListEnd) { |
71 | backlog << qVariantFromValue(*msgIter); |
72 | msgIter++; |
73 | } |
74 | } |
75 | } |
76 | |
77 | return backlog; |
78 | } |
79 | |
80 | |
81 | QVariantList CoreBacklogManager::requestBacklogAll(MsgId first, MsgId last, int limit, int additional) |
82 | { |
83 | QVariantList backlog; |
84 | QList<Message> msgList; |
85 | msgList = Core::requestAllMsgs(coreSession()->user(), first, last, limit); |
86 | |
87 | QList<Message>::const_iterator msgIter = msgList.constBegin(); |
88 | QList<Message>::const_iterator msgListEnd = msgList.constEnd(); |
89 | while (msgIter != msgListEnd) { |
90 | backlog << qVariantFromValue(*msgIter); |
91 | msgIter++; |
92 | } |
93 | |
94 | if (additional) { |
95 | if (first != -1) { |
96 | last = first; |
97 | } |
98 | else { |
99 | last = -1; |
100 | if (!msgList.isEmpty()) { |
101 | if (msgList.first().msgId() < msgList.last().msgId()) |
102 | last = msgList.first().msgId(); |
103 | else |
104 | last = msgList.last().msgId(); |
105 | } |
106 | } |
107 | msgList = Core::requestAllMsgs(coreSession()->user(), -1, last, additional); |
108 | msgIter = msgList.constBegin(); |
109 | msgListEnd = msgList.constEnd(); |
110 | while (msgIter != msgListEnd) { |
111 | backlog << qVariantFromValue(*msgIter); |
112 | msgIter++; |
113 | } |
114 | } |
115 | |
116 | return backlog; |
117 | } |
118 | |