Moved mailpreprocessors to a shared location

1 files changed, 117 insertions, 0 deletions

diff --git a/common/mailpreprocessor.cpp b/common/mailpreprocessor.cpp
new file mode 100644
index 0000000..64cb3d9
--- /dev/null
+++ b/common/mailpreprocessor.cpp
@@ -0,0 +1,117 @@
+/*
+ *   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 "mailpreprocessor.h"
+
+#include <QFile>
+#include <QDir>
+#include <KMime/KMime/KMimeMessage>
+
+#include "pipeline.h"
+#include "definitions.h"
+#include "applicationdomaintype.h"
+
+using namespace Sink;
+
+void MailPropertyExtractor::updatedIndexedProperties(Sink::ApplicationDomain::Mail &mail)
+{
+    const auto mimeMessagePath = mail.getMimeMessagePath();
+    Trace() << "Updating indexed properties " << mimeMessagePath;
+    QFile f(mimeMessagePath);
+    if (!f.open(QIODevice::ReadOnly)) {
+        Warning() << "Failed to open the file: " << mimeMessagePath;
+        return;
+    }
+    if (!f.size()) {
+        Warning() << "The file is empty.";
+        return;
+    }
+    const auto mappedSize = qMin((qint64)8000, f.size());
+    auto mapped = f.map(0, mappedSize);
+    if (!mapped) {
+        Warning() << "Failed to map the file: " << f.errorString();
+        return;
+    }
+
+    KMime::Message *msg = new KMime::Message;
+    msg->setHead(KMime::CRLFtoLF(QByteArray::fromRawData(reinterpret_cast<const char*>(mapped), mappedSize)));
+    msg->parse();
+
+    mail.setExtractedSubject(msg->subject(true)->asUnicodeString());
+    mail.setExtractedSender(msg->from(true)->asUnicodeString());
+    mail.setExtractedSenderName(msg->from(true)->asUnicodeString());
+    mail.setExtractedDate(msg->date(true)->dateTime());
+}
+
+void MailPropertyExtractor::newEntity(Sink::ApplicationDomain::Mail &mail, Sink::Storage::Transaction &transaction)
+{
+    updatedIndexedProperties(mail);
+}
+
+void MailPropertyExtractor::modifiedEntity(const Sink::ApplicationDomain::Mail &oldMail, Sink::ApplicationDomain::Mail &newMail,Sink::Storage::Transaction &transaction)
+{
+    updatedIndexedProperties(newMail);
+}
+
+
+MimeMessageMover::MimeMessageMover() : Sink::EntityPreprocessor<ApplicationDomain::Mail>()
+{
+}
+
+QString MimeMessageMover::moveMessage(const QString &oldPath, const Sink::ApplicationDomain::Mail &mail)
+{
+    const auto directory = Sink::resourceStorageLocation(resourceInstanceIdentifier());
+    const auto filePath = directory + "/" + mail.identifier();
+    if (oldPath != filePath) {
+        if (!QDir().mkpath(directory)) {
+            Warning() << "Failed to create the directory: " << directory;
+        }
+        QFile::remove(filePath);
+        QFile origFile(oldPath);
+        if (!origFile.open(QIODevice::ReadWrite)) {
+            Warning() << "Failed to open the original file with write rights: " << origFile.errorString();
+        }
+        if (!origFile.rename(filePath)) {
+            Warning() << "Failed to move the file from: " << oldPath << " to " << filePath << ". " << origFile.errorString();
+        }
+        origFile.close();
+        return filePath;
+    }
+    return oldPath;
+}
+
+void MimeMessageMover::newEntity(Sink::ApplicationDomain::Mail &mail, Sink::Storage::Transaction &transaction)
+{
+    if (!mail.getMimeMessagePath().isEmpty()) {
+        mail.setMimeMessagePath(moveMessage(mail.getMimeMessagePath(), mail));
+    }
+}
+
+void MimeMessageMover::modifiedEntity(const Sink::ApplicationDomain::Mail &oldMail, Sink::ApplicationDomain::Mail &newMail, Sink::Storage::Transaction &transaction)
+{
+    if (!newMail.getMimeMessagePath().isEmpty()) {
+        newMail.setMimeMessagePath(moveMessage(newMail.getMimeMessagePath(), newMail));
+    }
+}
+
+void MimeMessageMover::deletedEntity(const Sink::ApplicationDomain::Mail &mail, Sink::Storage::Transaction &transaction)
+{
+    QFile::remove(mail.getMimeMessagePath());
+}
+