From 37f18e26ca729fac64fd29164b09f3d3f1143520 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Tue, 11 Jul 2017 16:01:27 +0200
Subject: Fixed multipart/alternative replies

---
 framework/src/CMakeLists.txt                                |  2 ++
 .../src/domain/mime/mimetreeparser/objecttreeparser.cpp     | 13 ++++++++++++-
 framework/src/domain/mime/tests/mailtemplatetest.cpp        | 13 +++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/framework/src/CMakeLists.txt b/framework/src/CMakeLists.txt
index b935fbed..75357b68 100644
--- a/framework/src/CMakeLists.txt
+++ b/framework/src/CMakeLists.txt
@@ -47,6 +47,8 @@ qt5_use_modules(frameworkplugin Core Quick Qml WebEngineWidgets Test)
 target_link_libraries(frameworkplugin sink kube_otp KF5::Codecs KF5::Package KF5::Contacts KAsync)
 install(TARGETS frameworkplugin DESTINATION ${FRAMEWORK_INSTALL_DIR})
 
+set(BUILD_TESTING ON)
+
 add_subdirectory(domain/mime/tests)
 add_subdirectory(domain/mime/mimetreeparser)
 
diff --git a/framework/src/domain/mime/mimetreeparser/objecttreeparser.cpp b/framework/src/domain/mime/mimetreeparser/objecttreeparser.cpp
index 7e2be0e4..fc1b9793 100644
--- a/framework/src/domain/mime/mimetreeparser/objecttreeparser.cpp
+++ b/framework/src/domain/mime/mimetreeparser/objecttreeparser.cpp
@@ -6,6 +6,7 @@
     Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.net
     Copyright (c) 2009 Andras Mantia <andras@kdab.net>
     Copyright (c) 2015 Sandro Knauß <sknauss@kde.org>
+    Copyright (c) 2017 Christian Mollekopf <mollekopf@kolabsystems.com>
 
     KMail is free software; you can redistribute it and/or modify it
     under the terms of the GNU General Public License, version 2, as
@@ -134,6 +135,9 @@ QString ObjectTreeParser::plainTextContent()
                 if (dynamic_cast<MimeTreeParser::TextMessagePart*>(part.data())) {
                     return true;
                 }
+                if (dynamic_cast<MimeTreeParser::AlternativeMessagePart*>(part.data())) {
+                    return true;
+                }
                 return false;
             });
         for (const auto &part : plainParts) {
@@ -155,10 +159,17 @@ QString ObjectTreeParser::htmlContent()
                 if (dynamic_cast<MimeTreeParser::HtmlMessagePart*>(part.data())) {
                     return true;
                 }
+                if (dynamic_cast<MimeTreeParser::AlternativeMessagePart*>(part.data())) {
+                    return true;
+                }
                 return false;
             });
         for (const auto &part : contentParts) {
-            content += part->text();
+            if (auto p = dynamic_cast<MimeTreeParser::AlternativeMessagePart*>(part.data())) {
+                content += p->htmlContent();
+            } else {
+                content += part->text();
+            }
         }
     }
     return content;
diff --git a/framework/src/domain/mime/tests/mailtemplatetest.cpp b/framework/src/domain/mime/tests/mailtemplatetest.cpp
index 4dc8e2bd..e9752c9e 100644
--- a/framework/src/domain/mime/tests/mailtemplatetest.cpp
+++ b/framework/src/domain/mime/tests/mailtemplatetest.cpp
@@ -93,6 +93,19 @@ private slots:
         QVERIFY(content.contains("i noticed a new branch"));
     }
 
+    void testMultipartAlternative()
+    {
+        auto msg = readMail("alternative.mbox");
+        KMime::Message::Ptr result;
+        MailTemplates::reply(msg, [&] (const KMime::Message::Ptr &r) {
+            result = r;
+        });
+        QTRY_VERIFY(result);
+        auto content = removeFirstLine(result->body());
+        QVERIFY(!content.isEmpty());
+        QCOMPARE(unquote(content), QLatin1String("If you can see this text it means that your email client couldn't display our newsletter properly.\nPlease visit this link to view the newsletter on our website: http://www.gog.com/newsletter/\n"));
+    }
+
 };
 
 QTEST_MAIN(MailTemplateTest)
-- 
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