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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright (C) 2015 Christian Mollekopf <chrigi_1@fastmail.fm>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "threadindexer.h"
#include "typeindex.h"
#include "log.h"
SINK_DEBUG_AREA("threadindex")
using namespace Sink;
using namespace Sink::ApplicationDomain;
static QString stripOffPrefixes(const QString &subject)
{
//TODO this hardcoded list is probably not good enough (especially regarding internationalization)
//TODO this whole routine, including internationalized re/fwd ... should go into some library.
//We'll require the same for generating reply/forward subjects in kube
static QStringList defaultReplyPrefixes = QStringList() << QLatin1String("Re\\s*:")
<< QLatin1String("Re\\[\\d+\\]:")
<< QLatin1String("Re\\d+:");
static QStringList defaultForwardPrefixes = QStringList() << QLatin1String("Fwd:")
<< QLatin1String("FW:");
QStringList replyPrefixes; // = GlobalSettings::self()->replyPrefixes();
if (replyPrefixes.isEmpty()) {
replyPrefixes = defaultReplyPrefixes;
}
QStringList forwardPrefixes; // = GlobalSettings::self()->forwardPrefixes();
if (forwardPrefixes.isEmpty()) {
forwardPrefixes = defaultReplyPrefixes;
}
const QStringList prefixRegExps = replyPrefixes + forwardPrefixes;
// construct a big regexp that
// 1. is anchored to the beginning of str (sans whitespace)
// 2. matches at least one of the part regexps in prefixRegExps
const QString bigRegExp = QString::fromLatin1("^(?:\\s+|(?:%1))+\\s*").arg(prefixRegExps.join(QLatin1String(")|(?:")));
static QString regExpPattern;
static QRegExp regExp;
regExp.setCaseSensitivity(Qt::CaseInsensitive);
if (regExpPattern != bigRegExp) {
// the prefixes have changed, so update the regexp
regExpPattern = bigRegExp;
regExp.setPattern(regExpPattern);
}
if(regExp.isValid()) {
QString tmp = subject;
if (regExp.indexIn( tmp ) == 0) {
return tmp.remove(0, regExp.matchedLength());
}
} else {
SinkWarning() << "bigRegExp = \""
<< bigRegExp << "\"\n"
<< "prefix regexp is invalid!";
}
return subject;
}
void ThreadIndexer::updateThreadingIndex(const QByteArray &identifier, const ApplicationDomain::ApplicationDomainType &entity, Sink::Storage::DataStore::Transaction &transaction)
{
auto messageId = entity.getProperty(Mail::MessageId::name);
auto parentMessageId = entity.getProperty(Mail::ParentMessageId::name);
const auto subject = entity.getProperty(Mail::Subject::name);
const auto normalizedSubject = stripOffPrefixes(subject.toString()).toUtf8();
if (messageId.toByteArray().isEmpty()) {
SinkWarning() << "Found an email without messageId. This is illegal and threading will break. Entity id: " << identifier;
SinkWarning() << "Subject: " << subject;
}
QVector<QByteArray> thread;
//a child already registered our thread.
thread = index().secondaryLookup<Mail::MessageId, Mail::ThreadId>(messageId);
//If parent is already available, add to thread of parent
if (thread.isEmpty() && parentMessageId.isValid()) {
thread = index().secondaryLookup<Mail::MessageId, Mail::ThreadId>(parentMessageId);
SinkTrace() << "Found parent: " << thread;
}
if (thread.isEmpty()) {
//Try to lookup the thread by subject if not empty
if ( !normalizedSubject.isEmpty()) {
thread = index().secondaryLookup<Mail::Subject, Mail::ThreadId>(normalizedSubject);
}
if (thread.isEmpty()) {
thread << QUuid::createUuid().toByteArray();
SinkTrace() << "Created a new thread: " << thread;
} else {
SinkTrace() << "Found thread by subject: " << thread;
}
}
Q_ASSERT(!thread.isEmpty());
if (parentMessageId.isValid()) {
Q_ASSERT(!parentMessageId.toByteArray().isEmpty());
//Register parent with thread for when it becomes available
index().index<Mail::MessageId, Mail::ThreadId>(parentMessageId, thread.first(), transaction);
}
index().index<Mail::MessageId, Mail::ThreadId>(messageId, thread.first(), transaction);
index().index<Mail::ThreadId, Mail::MessageId>(thread.first(), messageId, transaction);
if (!normalizedSubject.isEmpty()) {
index().index<Mail::Subject, Mail::ThreadId>(normalizedSubject, thread.first(), transaction);
}
}
void ThreadIndexer::add(const ApplicationDomain::ApplicationDomainType &entity)
{
updateThreadingIndex(entity.identifier(), entity, transaction());
}
void ThreadIndexer::modify(const ApplicationDomain::ApplicationDomainType &old, const ApplicationDomain::ApplicationDomainType &entity)
{
}
void ThreadIndexer::remove(const ApplicationDomain::ApplicationDomainType &entity)
{
}
|
