T7024 fix: implement attachment-based forwarding

Summary:
Implement attachment-based forwarding.

Some notes:
- `loadAsDraft` was removed in favor of new enum `loadType` in QML, and callback based generic programming in C++

Reviewers: cmollekopf

Tags: #kube

Maniphest Tasks: T7024

Differential Revision: https://phabricator.kde.org/D10676

1 files changed, 24 insertions, 0 deletions

diff --git a/framework/src/domain/mime/tests/mailtemplatetest.cpp b/framework/src/domain/mime/tests/mailtemplatetest.cpp
index 302fae95..8d044608 100644
--- a/framework/src/domain/mime/tests/mailtemplatetest.cpp
+++ b/framework/src/domain/mime/tests/mailtemplatetest.cpp
@@ -224,6 +224,30 @@ private slots:
         QCOMPARE(result->cc()->addresses(), l);
     }
 
+    void testForwardAsAttachment()
+    {
+        auto msg = readMail("plaintext.mbox");
+        KMime::Message::Ptr result;
+        MailTemplates::forward(msg, [&] (const KMime::Message::Ptr &r) {
+            result = r;
+        });
+        QTRY_VERIFY(result);
+        QCOMPARE(result->subject(false)->asUnicodeString(), {"FW: A random subject with alternative contenttype"});
+        QCOMPARE(result->to()->addresses(), {});
+        QCOMPARE(result->cc()->addresses(), {});
+
+        auto attachments = result->attachments();
+        QCOMPARE(attachments.size(), 1);
+        auto attachment = attachments[0];
+        QCOMPARE(attachment->contentDisposition(false)->disposition(), KMime::Headers::CDinline);
+        QCOMPARE(attachment->contentDisposition(false)->filename(), {"A random subject with alternative contenttype.eml"});
+        QVERIFY(attachment->bodyIsMessage());
+
+        attachment->parse();
+        auto origMsg = attachment->bodyAsMessage();
+        QCOMPARE(origMsg->subject(false)->asUnicodeString(), {"A random subject with alternative contenttype"});
+    }
+
     void testCreatePlainMail()
     {
         QStringList to = {{"to@example.org"}};