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/*
* filter_evolution.cxx
* Author : Simon MARTIN <simartin@users.sourceforge.net>
* 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.hxx"
#include <config.h>
#include <klocale.h>
#include <kfiledialog.h>
#include <ktempfile.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)
{
endImport();
}
/** Recursive import of Evolution's mboxes. */
void FilterEvolution::import(FilterInfo *info)
{
// We ask the user to choose Evolution's root directory.
QString evolDir = QDir::homeDirPath() + "/evolution/local";
QDir d( evolDir );
if ( !d.exists() ) {
evolDir = QDir::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 == QDir::homeDirPath() || mailDir == (QDir::homeDirPath() + "/")) {
info->addLog(i18n("No files found for import."));
} else {
info->setOverall(0);
// Recursive import of the MBoxes.
QDir dir(mailDir);
QStringList rootSubDirs = dir.entryList("[^\\.]*", QDir::Dirs, QDir::Name); // Removal of . and ..
int currentDir = 1, numSubDirs = rootSubDirs.size();
for(QStringList::Iterator filename = rootSubDirs.begin() ; filename != rootSubDirs.end() ; ++filename, ++currentDir) {
importDirContents(info, dir.filePath(*filename), *filename, QString::null);
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 QString& dirName, const QString& KMailRootDir, const QString& KMailSubDir)
{
// If there is a mbox, we import it
QDir 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")) {
QDir subfolders(dirName + "/subfolders");
QStringList subDirs = subfolders.entryList("[^\\.]*", QDir::Dirs, QDir::Name);
for(QStringList::Iterator filename = subDirs.begin() ; filename != subDirs.end() ; ++filename) {
QString 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 QString& mboxName, const QString& rootDir, const QString& targetDir)
{
QFile mbox(mboxName);
bool first_msg = true;
QString tmp_from = mboxName;
if (!mbox.open(IO_ReadOnly)) {
info->alert(i18n("Unable to open %1, skipping").arg(mboxName));
} else {
QFileInfo filenameInfo(mboxName);
info->setCurrent(0);
if( mboxName.length() > 20 ) {
QString 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/")) {
QString 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));
QByteArray input(MAX_LINE);
long l = 0;
while (!mbox.atEnd()) {
KTempFile tmp;
/* comment by Danny:
* Don't use QTextStream to read from mbox, etter use QDataStream. QTextStream 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 QTextStream to Unicode. By this you
* get Unicode/UTF-email but KMail can't detect the correct charset.
*/
QCString 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;
QString 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();
}
}
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