summaryrefslogtreecommitdiffstats
path: root/kmailcvt/filter_evolution.cpp
blob: a372058e3b9212fd7ef443d3883ceb4408838bee (plain)
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/*
 *  filter_evolution.cpp
 *  Author : Simon MARTIN <[email protected]>
 *  Copyright (c) 2004 Simon MARTIN
 *
 *  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 Library 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 "filter_evolution.h"

#include <config.h>
#include <tdelocale.h>
#include <tdefiledialog.h>
#include <tdetempfile.h>


/** Default constructor. */
FilterEvolution::FilterEvolution(void) :
        Filter(i18n("Import Evolution 1.x Local Mails and Folder Structure"),
               "Simon MARTIN<br /><br />( Filter accelerated by Danny Kukawka )",
               i18n("<p><b>Evolution 1.x import filter</b></p>"
                    "<p>Select the base directory of Evolution's mails (usually ~/evolution/local).</p>"
                    "<p>Since it is possible to recreate the folder structure, the folders "
                    "will be stored under: \"Evolution-Import\".</p>"))
{}

/** Destructor. */
FilterEvolution::~FilterEvolution(void)
{
}

/** Recursive import of Evolution's mboxes. */
void FilterEvolution::import(FilterInfo *info)
{
    // We ask the user to choose Evolution's root directory.
    TQString evolDir = TQDir::homeDirPath() + "/evolution/local";
    TQDir d( evolDir );
    if ( !d.exists() ) {
        evolDir = TQDir::homeDirPath();
    }

    mailDir = KFileDialog::getExistingDirectory(evolDir, info->parent());

    if (mailDir.isEmpty()) {
        info->alert(i18n("No directory selected."));
    }
    /**
     * If the user only select homedir no import needed because 
     * there should be no files and we surely import wrong files.
     */
    else if ( mailDir == TQDir::homeDirPath() || mailDir == (TQDir::homeDirPath() + "/")) {
        info->addLog(i18n("No files found for import."));
    } else {
        info->setOverall(0);
        // Recursive import of the MBoxes.
        TQDir dir(mailDir);
        TQStringList rootSubDirs = dir.entryList("[^\\.]*", TQDir::Dirs, TQDir::Name); // Removal of . and ..
        int currentDir = 1, numSubDirs = rootSubDirs.size();
        for(TQStringList::Iterator filename = rootSubDirs.begin() ; filename != rootSubDirs.end() ; ++filename, ++currentDir) {
            importDirContents(info, dir.filePath(*filename), *filename, TQString());
            info->setOverall((int) ((float) currentDir / numSubDirs * 100));
        }
    }
    info->addLog( i18n("Finished importing emails from %1").arg( mailDir ));
    info->setCurrent(100);
    info->setOverall(100);
}

/**
 * Import of a directory contents.
 * @param info Information storage for the operation.
 * @param dirName The name of the directory to import.
 * @param KMailRootDir The directory's root directory in KMail's folder structure.
 * @param KMailSubDir The directory's direct ancestor in KMail's folder structure.
 */
void FilterEvolution::importDirContents(FilterInfo *info, const TQString& dirName, const TQString& KMailRootDir, const TQString& KMailSubDir)
{
    // If there is a mbox, we import it
    TQDir dir(dirName);
    if(dir.exists("mbox")) {
        importMBox(info, dirName + "/mbox", KMailRootDir, KMailSubDir);
    }
    // If there are subfolders, we import them one by one
    if(dir.exists("subfolders")) {
        TQDir subfolders(dirName + "/subfolders");
        TQStringList subDirs = subfolders.entryList("[^\\.]*", TQDir::Dirs, TQDir::Name);
        for(TQStringList::Iterator filename = subDirs.begin() ; filename != subDirs.end() ; ++filename) {
            TQString kSubDir;
            if(!KMailSubDir.isNull()) {
                kSubDir = KMailSubDir + "/" + *filename;
            } else {
                kSubDir = *filename;
            }
            importDirContents(info, subfolders.filePath(*filename), KMailRootDir, kSubDir);
        }
    }
}

/**
 * Import of a MBox file.
 * @param info Information storage for the operation.
 * @param dirName The MBox's name.
 * @param KMailRootDir The directory's root directory in KMail's folder structure.
 * @param KMailSubDir The directory's equivalent in KMail's folder structure. *
 */
void FilterEvolution::importMBox(FilterInfo *info, const TQString& mboxName, const TQString& rootDir, const TQString& targetDir)
{
    TQFile mbox(mboxName);
    bool first_msg = true;
    TQString tmp_from = mboxName;
    if (!mbox.open(IO_ReadOnly)) {
        info->alert(i18n("Unable to open %1, skipping").arg(mboxName));
    } else {
        TQFileInfo filenameInfo(mboxName);

        info->setCurrent(0);
        if( mboxName.length() > 20 ) {
            TQString tmp_info = mboxName;
            tmp_info = tmp_info.replace( mailDir, ".." );
            if (tmp_info.contains("subfolders/"))
                tmp_info.remove("subfolders/");
            info->setFrom( tmp_info );
            tmp_from = tmp_info;
        } else
            info->setFrom(mboxName);
        if(targetDir.contains("subfolders/")) {
            TQString tmp_info = targetDir;
            tmp_info.remove("subfolders/");
            info->setTo(tmp_info);
        } else
            info->setTo(targetDir);

        info->addLog(i18n("Importing emails from %1...").arg(tmp_from));

        TQByteArray input(MAX_LINE);
        long l = 0;

        while (!mbox.atEnd()) {
            KTempFile tmp;
            /* comment by Danny:
            * Don't use TQTextStream to read from mbox, etter use TQDataStream. TQTextStream only 
            * support Unicode/Latin1/Locale. So you lost information from emails with 
            * charset!=Unicode/Latin1/Locale (e.g. KOI8-R) and Content-Transfer-Encoding != base64 
            * (e.g. 8Bit). It also not help to convert the TQTextStream to Unicode. By this you
            * get Unicode/UTF-email but KMail can't detect the correct charset.
            */
            TQCString seperate;

            if(!first_msg)
                tmp.file()->writeBlock( input, l );
            l = mbox.readLine( input.data(),MAX_LINE); // read the first line, prevent "From "
            tmp.file()->writeBlock( input, l );

            while ( ! mbox.atEnd() &&  (l = mbox.readLine(input.data(),MAX_LINE)) && ((seperate = input.data()).left(5) != "From ")) {
                tmp.file()->writeBlock( input, l );
            }
            tmp.close();
            first_msg = false;

            TQString destFolder = rootDir;
            if(!targetDir.isNull()) {
                destFolder = "Evolution-Import/" + destFolder + "/" + targetDir;
            } else {
                destFolder = "Evolution-Import/" + destFolder;
            }

            /* comment by Danny Kukawka:
             * addMessage() == old function, need more time and check for duplicates
             * addMessage_fastImport == new function, faster and no check for duplicates
             */
            if(info->removeDupMsg)
                addMessage( info, destFolder, tmp.name() );
            else
                addMessage_fastImport( info, destFolder, tmp.name() );

            tmp.unlink();
            int currentPercentage = (int) (((float) mbox.at() / filenameInfo.size()) * 100);
            info->setCurrent(currentPercentage);
            if (info->shouldTerminate()) return;
        }

        if (count_duplicates > 0) {
            info->addLog( i18n("1 duplicate message not imported", "%n duplicate messages not imported", count_duplicates));
        }
        count_duplicates = 0;
        mbox.close();
    }
}