Add a /command to redact all visible messages sent by a user

man/nheko.1.adoc

@@ -178,6 +178,12 @@ Ban a user from the current room. _reason_ is optional.
 */unban* _<username>_ _[reason]_::
 Unban a user. _reason_ is optional.
 
+*/redact* _<username>_ _[reason]_::
+Redacts all visible messages of the specified user. You will run into rate limits quickly.
+
+*/redact* _<eventid>_ _[reason]_::
+Redacts a specific event.
+
 */roomnick* _<roomname>_::
 Change your nickname in a single room.
 

src/timeline/InputBar.cpp

@@ -692,6 +692,12 @@ InputBar::command(const QString &command, QString args)
     } else if (command == QLatin1String("unban")) {
         ChatPage::instance()->unbanUser(
           room->roomId(), args.section(' ', 0, 0), args.section(' ', 1, -1));
+    } else if (command == QLatin1String("redact")) {
+        if (args.startsWith('@')) {
+            room->redactAllFromUser(args.section(' ', 0, 0), args.section(' ', 1, -1));
+        } else if (args.startsWith('$')) {
+            room->redactEvent(args.section(' ', 0, 0), args.section(' ', 1, -1));
+        }
     } else if (command == QLatin1String("roomnick")) {
         mtx::events::state::Member member;
         member.display_name = args.toStdString();

src/timeline/TimelineModel.cpp

@@ -1271,6 +1271,24 @@ TimelineModel::showReadReceipts(QString id)
     emit openReadReceiptsDialog(new ReadReceiptsProxy{id, roomId(), this});
 }
 
+void
+TimelineModel::redactAllFromUser(const QString &userid, const QString &reason)
+{
+    auto user = userid.toStdString();
+    std::vector<QString> toRedact;
+    for (auto it = events.size() - 1; it >= 0; --it) {
+        auto event = events.get(it, false);
+        if (event && mtx::accessors::sender(*event) == user &&
+            !std::holds_alternative<mtx::events::RoomEvent<mtx::events::msg::Redacted>>(*event)) {
+            toRedact.push_back(QString::fromStdString(mtx::accessors::event_id(*event)));
+        }
+    }
+
+    for (const auto &e : toRedact) {
+        redactEvent(e, reason);
+        std::this_thread::sleep_for(std::chrono::milliseconds(50));
+    }
+}
 void
 TimelineModel::redactEvent(const QString &id, const QString &reason)
 {

src/timeline/TimelineModel.h

@@ -276,6 +276,7 @@ public:
     Q_INVOKABLE void pin(const QString &id);
     Q_INVOKABLE void showReadReceipts(QString id);
     Q_INVOKABLE void redactEvent(const QString &id, const QString &reason = "");
+    Q_INVOKABLE void redactAllFromUser(const QString &userid, const QString &reason = "");
     Q_INVOKABLE int idToIndex(const QString &id) const;
     Q_INVOKABLE QString indexToId(int index) const;
     Q_INVOKABLE void openMedia(const QString &eventId);