From 4d72644a31d2b462f8e72c4e45f3d0ceaf214a61 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Mon, 24 Nov 2025 13:18:23 +0100
Subject: [PATCH] Can edit message

---
 .../matrix/matrix_event_controller.rs         | 45 ++++++++++++++++++-
 matrixgw_backend/src/main.rs                  |  4 ++
 2 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/matrixgw_backend/src/controllers/matrix/matrix_event_controller.rs b/matrixgw_backend/src/controllers/matrix/matrix_event_controller.rs
index 3e44a37..7befb98 100644
--- a/matrixgw_backend/src/controllers/matrix/matrix_event_controller.rs
+++ b/matrixgw_backend/src/controllers/matrix/matrix_event_controller.rs
@@ -6,7 +6,10 @@ use futures_util::{StreamExt, stream};
 use matrix_sdk::Room;
 use matrix_sdk::deserialized_responses::{TimelineEvent, TimelineEventKind};
 use matrix_sdk::room::MessagesOptions;
-use matrix_sdk::ruma::events::room::message::RoomMessageEventContent;
+use matrix_sdk::room::edit::EditedContent;
+use matrix_sdk::ruma::events::room::message::{
+    RoomMessageEventContent, RoomMessageEventContentWithoutRelation,
+};
 use matrix_sdk::ruma::{MilliSecondsSinceUnixEpoch, OwnedEventId, OwnedUserId, RoomId, UInt};
 use serde::{Deserialize, Serialize};
 use serde_json::value::RawValue;
@@ -117,6 +120,46 @@ pub struct EventIdInPath {
     pub(crate) event_id: OwnedEventId,
 }
 
+pub async fn set_text_content(
+    client: MatrixClientExtractor,
+    path: web::Path<RoomIdInPath>,
+    event_path: web::Path<EventIdInPath>,
+) -> HttpResult {
+    let req = client.auth.decode_json_body::<SendTextMessageRequest>()?;
+
+    let Some(room) = client.client.client.get_room(&path.room_id) else {
+        return Ok(HttpResponse::NotFound().json("Room not found!"));
+    };
+
+    let edit_event = match room
+        .make_edit_event(
+            &event_path.event_id,
+            EditedContent::RoomMessage(RoomMessageEventContentWithoutRelation::text_plain(
+                req.content,
+            )),
+        )
+        .await
+    {
+        Ok(msg) => msg,
+        Err(e) => {
+            log::error!(
+                "Failed to created edit message event {}: {e}",
+                event_path.event_id
+            );
+            return Ok(HttpResponse::InternalServerError()
+                .json(format!("Failed to create edit message event! {e}")));
+        }
+    };
+
+    Ok(match room.send(edit_event).await {
+        Ok(_) => HttpResponse::Accepted().finish(),
+        Err(e) => {
+            log::error!("Failed to edit event message {}: {e}", event_path.event_id);
+            HttpResponse::InternalServerError().json(format!("Failed to edit event! {e}"))
+        }
+    })
+}
+
 pub async fn redact_event(
     client: MatrixClientExtractor,
     path: web::Path<RoomIdInPath>,
diff --git a/matrixgw_backend/src/main.rs b/matrixgw_backend/src/main.rs
index 09ae619..6814d0f 100644
--- a/matrixgw_backend/src/main.rs
+++ b/matrixgw_backend/src/main.rs
@@ -173,6 +173,10 @@ async fn main() -> std::io::Result<()> {
                 "/api/matrix/room/{room_id}/send_text_message",
                 web::post().to(matrix_event_controller::send_text_message),
             )
+            .route(
+                "/api/matrix/room/{room_id}/event/{event_id}/set_text_content",
+                web::post().to(matrix_event_controller::set_text_content),
+            )
             .route(
                 "/api/matrix/room/{room_id}/event/{event_id}",
                 web::delete().to(matrix_event_controller::redact_event),