strip reply fallbacks from forwarded message

src/Utils.cpp

@@ -63,19 +63,13 @@ utils::stripReplyFallbacks(const TimelineEvent &event, std::string id, QString r
         // get body, strip reply fallback, then transform the event to text, if it is a media event
         // etc
         related.quoted_body = QString::fromStdString(mtx::accessors::body(event));
-        QRegularExpression plainQuote("^>.*?$\n?", QRegularExpression::MultilineOption);
-        while (related.quoted_body.startsWith(">"))
-                related.quoted_body.remove(plainQuote);
-        if (related.quoted_body.startsWith("\n"))
-                related.quoted_body.remove(0, 1);
+        stripReplyFromBody(related.quoted_body);
         related.quoted_body = utils::getQuoteBody(related);
         related.quoted_body.replace("@room", QString::fromUtf8("@\u2060room"));
 
         // get quoted body and strip reply fallback
         related.quoted_formatted_body = mtx::accessors::formattedBodyWithFallback(event);
-        related.quoted_formatted_body.remove(QRegularExpression(
-          "<mx-reply>.*</mx-reply>", QRegularExpression::DotMatchesEverythingOption));
-        related.quoted_formatted_body.replace("@room", "@\u2060aroom");
+        stripReplyFromFormattedBody(related.quoted_formatted_body);
         related.room = room_id_;
 
         return related;

src/Utils.h

@@ -9,6 +9,7 @@
 #include <QCoreApplication>
 #include <QDateTime>
 #include <QPixmap>
+#include <QRegularExpression>
 #include <mtx/events/collections.hpp>
 #include <mtx/events/common.hpp>
 
@@ -40,6 +41,26 @@ namespace utils {
 
 using TimelineEvent = mtx::events::collections::TimelineEvents;
 
+//! Helper function to remove reply fallback from body
+static void
+stripReplyFromBody(QString &body)
+{
+        QRegularExpression plainQuote("^>.*?$\n?", QRegularExpression::MultilineOption);
+        while (body.startsWith(">"))
+                body.remove(plainQuote);
+        if (body.startsWith("\n"))
+                body.remove(0, 1);
+}
+
+//! Helper function to remove reply fallback from formatted body
+static void
+stripReplyFromFormattedBody(QString &formatted_body)
+{
+        formatted_body.remove(QRegularExpression("<mx-reply>.*</mx-reply>",
+                                                 QRegularExpression::DotMatchesEverythingOption));
+        formatted_body.replace("@room", "@\u2060aroom");
+}
+
 RelatedInfo
 stripReplyFallbacks(const TimelineEvent &event, std::string id, QString room_id_);
 

src/timeline/TimelineViewManager.cpp

@@ -4,7 +4,6 @@
 
 #include "TimelineViewManager.h"
 
-#include <QBuffer>
 #include <QDesktopServices>
 #include <QDropEvent>
 #include <QMetaType>
@@ -26,7 +25,6 @@
 #include "RoomsModel.h"
 #include "UserSettingsPage.h"
 #include "UsersModel.h"
-#include "blurhash.hpp"
 #include "dialogs/ImageOverlay.h"
 #include "emoji/EmojiModel.h"
 #include "emoji/Provider.h"
@@ -623,10 +621,9 @@ void
 TimelineViewManager::forwardMessageToRoom(mtx::events::collections::TimelineEvents *e,
                                           QString roomId)
 {
-        auto elem                                                = *e;
         auto room                                                = models.find(roomId);
-        auto content                                             = mtx::accessors::url(elem);
-        std::optional<mtx::crypto::EncryptedFile> encryptionInfo = mtx::accessors::file(elem);
+        auto content                                             = mtx::accessors::url(*e);
+        std::optional<mtx::crypto::EncryptedFile> encryptionInfo = mtx::accessors::file(*e);
 
         if (encryptionInfo) {
                 http::client()->download(
@@ -669,6 +666,8 @@ TimelineViewManager::forwardMessageToRoom(mtx::events::collections::TimelineEven
                                                       }
 
                                                       auto room = models.find(roomId);
+                                                      removeReplyFallback(ev);
+                                                      ev.content.relations.relations.clear();
                                                       room.value()->sendMessageEvent(
                                                         ev.content,
                                                         mtx::events::EventType::RoomMessage);
@@ -688,9 +687,10 @@ TimelineViewManager::forwardMessageToRoom(mtx::events::collections::TimelineEven
                   if constexpr (mtx::events::message_content_to_type<decltype(e.content)> ==
                                 mtx::events::EventType::RoomMessage) {
                           e.content.relations.relations.clear();
+                          removeReplyFallback(e);
                           room.value()->sendMessageEvent(e.content,
                                                          mtx::events::EventType::RoomMessage);
                   }
           },
-          elem);
+          *e);
 }

src/timeline/TimelineViewManager.h

@@ -13,7 +13,6 @@
 #include <mtx/common.hpp>
 #include <mtx/responses/messages.hpp>
 #include <mtx/responses/sync.hpp>
-#include <type_traits>
 
 #include "Cache.h"
 #include "CallManager.h"
@@ -159,15 +158,51 @@ private:
           typename nheko::detail::detector<nheko::nonesuch, void, Op, Args...>::value_t;
 
         template<class Content>
-        using f_t = decltype(Content::file);
+        using file_t = decltype(Content::file);
 
         template<class Content>
-        using u_t = decltype(Content::url);
+        using url_t = decltype(Content::url);
+
+        template<class Content>
+        using body_t = decltype(Content::body);
+
+        template<class Content>
+        using formatted_body_t = decltype(Content::formatted_body);
+
+        template<typename T>
+        static constexpr bool messageWithFileAndUrl(const mtx::events::Event<T> &)
+        {
+                return is_detected<file_t, T>::value && is_detected<url_t, T>::value;
+        }
 
         template<typename T>
-        static constexpr bool messageWithFileAndUrl(const mtx::events::Event<T> &e)
+        static constexpr void removeReplyFallback(mtx::events::Event<T> &e)
         {
-                return is_detected<f_t, T>::value && is_detected<u_t, T>::value;
+                if constexpr (is_detected<body_t, T>::value) {
+                        if constexpr (std::is_same_v<std::optional<std::string>,
+                                                     std::remove_cv_t<decltype(e.content.body)>>) {
+                                if (e.content.body) {
+                                        QString body = QString::fromStdString(e.content.body);
+                                        utils::stripReplyFromBody(body);
+                                        e.content.body = body.toStdString();
+                                }
+                        } else if constexpr (std::is_same_v<
+                                               std::string,
+                                               std::remove_cv_t<decltype(e.content.body)>>) {
+                                QString body = QString::fromStdString(e.content.body);
+                                utils::stripReplyFromBody(body);
+                                e.content.body = body.toStdString();
+                        }
+                }
+
+                if constexpr (is_detected<formatted_body_t, T>::value) {
+                        if (e.content.format == "org.matrix.custom.html") {
+                                QString formattedBody =
+                                  QString::fromStdString(e.content.formatted_body);
+                                utils::stripReplyFromFormattedBody(formattedBody);
+                                e.content.formatted_body = formattedBody.toStdString();
+                        }
+                }
         }
 
 private: