From 0c881f0c1b77cf8876094e3647d1732210b954d1 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Wed, 21 Mar 2018 17:34:05 +0100
Subject: An extension mechanism load qml files at generic extension points.

and forward the email via an extension api.
---
 extensions/api/src/extensionapi.cpp | 89 +++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 extensions/api/src/extensionapi.cpp

(limited to 'extensions/api/src/extensionapi.cpp')

diff --git a/extensions/api/src/extensionapi.cpp b/extensions/api/src/extensionapi.cpp
new file mode 100644
index 00000000..3e6689b9
--- /dev/null
+++ b/extensions/api/src/extensionapi.cpp
@@ -0,0 +1,89 @@
+/*
+    Copyright (c) 2018 Christian Mollekopf <mollekopf@kolabsys.com>
+
+    This library is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Library General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This library 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 Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to the
+    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301, USA.
+*/
+#include "extensionapi.h"
+
+#include <mailtemplates.h>
+#include <KMime/KMimeMessage>
+#include <sink/store.h>
+#include <sink/log.h>
+
+#include <QDebug>
+
+static void send(const QByteArray &message, const QByteArray &accountId)
+{
+    using namespace Sink;
+    using namespace Sink::ApplicationDomain;
+
+    Q_ASSERT(!accountId.isEmpty());
+    Query query;
+    query.containsFilter<SinkResource::Capabilities>(ResourceCapabilities::Mail::transport);
+    query.filter<SinkResource::Account>(accountId);
+    auto job = Store::fetchAll<SinkResource>(query)
+        .then([=](const QList<SinkResource::Ptr> &resources) {
+            if (!resources.isEmpty()) {
+                auto resourceId = resources[0]->identifier();
+                SinkLog() << "Sending message via resource: " << resourceId;
+                Mail mail(resourceId);
+                mail.setMimeMessage(message);
+                return Store::create(mail)
+                    .then<void>([=] {
+                        //Trigger a sync, but don't wait for it.
+                        Store::synchronize(Sink::SyncScope{}.resourceFilter(resourceId)).exec();
+                    });
+            }
+            SinkWarning() << "Failed to find a mailtransport resource";
+            return KAsync::error<void>(0, "Failed to find a MailTransport resource.");
+        })
+        .then([&] (const KAsync::Error &) {
+            SinkLog() << "Message was sent: ";
+        });
+    job.exec();
+}
+
+static QStringList toStringList(const QVariantList &list)
+{
+    QStringList s;
+    for (const auto &e : list) {
+        s << e.toString();
+    }
+    return s;
+}
+
+Q_INVOKABLE void ExtensionApi::forwardMail(const QVariantMap &map)
+{
+    SinkLog() << "Forwarding mail " << map;
+    auto mailObject = map.value("mail").value<Sink::ApplicationDomain::Mail::Ptr>();
+    Q_ASSERT(mailObject);
+    KMime::Message::Ptr msg(new KMime::Message);
+    msg->setContent(KMime::CRLFtoLF(mailObject->getMimeMessage()));
+    msg->parse();
+
+    MailTemplates::forward(msg, [map] (const KMime::Message::Ptr &fwdMessage) {
+        auto msg = fwdMessage;
+        msg->subject()->fromUnicodeString(map.value("subject").toString(), "utf8");
+        auto list = toStringList(map.value("to").toList());
+        for (const auto &address : list) {
+            KMime::Types::Mailbox mb;
+            mb.fromUnicodeString(address);
+            msg->to()->addAddress(mb);
+        }
+        msg->assemble();
+        send(msg->encodedContent(true), map.value("accountId").toByteArray());
+    });
+}
-- 
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