From ecbe4885c1a1f071b5349ae58013d197515c9032 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Fri, 21 Nov 2025 14:52:21 +0100
Subject: [PATCH] Can get information about rooms

---
 .../matrix/matrix_room_controller.rs          | 58 +++++++++++++++++++
 .../src/controllers/matrix/mod.rs             |  1 +
 matrixgw_backend/src/controllers/mod.rs       |  1 +
 matrixgw_backend/src/main.rs                  | 10 ++++
 .../src/matrix_connection/matrix_client.rs    |  2 +-
 5 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 matrixgw_backend/src/controllers/matrix/matrix_room_controller.rs
 create mode 100644 matrixgw_backend/src/controllers/matrix/mod.rs

diff --git a/matrixgw_backend/src/controllers/matrix/matrix_room_controller.rs b/matrixgw_backend/src/controllers/matrix/matrix_room_controller.rs
new file mode 100644
index 0000000..f960f78
--- /dev/null
+++ b/matrixgw_backend/src/controllers/matrix/matrix_room_controller.rs
@@ -0,0 +1,58 @@
+use crate::controllers::HttpResult;
+use crate::extractors::matrix_client_extractor::MatrixClientExtractor;
+use actix_web::{HttpResponse, web};
+use futures_util::{StreamExt, stream};
+use matrix_sdk::ruma::{OwnedRoomId, OwnedUserId};
+use matrix_sdk::{Room, RoomMemberships};
+
+#[derive(serde::Serialize)]
+pub struct APIRoomInfo {
+    id: OwnedRoomId,
+    name: Option<String>,
+    members: Vec<OwnedUserId>,
+    has_avatar: bool,
+}
+
+impl APIRoomInfo {
+    async fn from_room(r: &Room) -> anyhow::Result<Self> {
+        Ok(Self {
+            id: r.room_id().to_owned(),
+            name: r.name(),
+            members: r
+                .members(RoomMemberships::ACTIVE)
+                .await?
+                .into_iter()
+                .map(|r| r.user_id().to_owned())
+                .collect::<Vec<_>>(),
+            has_avatar: r.avatar_url().is_some(),
+        })
+    }
+}
+
+/// Get the list of joined rooms of the user
+pub async fn joined_rooms(client: MatrixClientExtractor) -> HttpResult {
+    let list = stream::iter(client.client.client.joined_rooms())
+        .then(async |room| APIRoomInfo::from_room(&room).await)
+        .collect::<Vec<_>>()
+        .await
+        .into_iter()
+        .collect::<Result<Vec<_>, _>>()?;
+
+    Ok(HttpResponse::Ok().json(list))
+}
+
+#[derive(serde::Deserialize)]
+pub struct RoomIdInPath {
+    id: OwnedRoomId,
+}
+
+/// Get the list of joined rooms of the user
+pub async fn single_room_info(
+    client: MatrixClientExtractor,
+    path: web::Path<RoomIdInPath>,
+) -> HttpResult {
+    Ok(match client.client.client.get_room(&path.id) {
+        None => HttpResponse::NotFound().json("Room not found"),
+        Some(r) => HttpResponse::Ok().json(APIRoomInfo::from_room(&r).await?),
+    })
+}
diff --git a/matrixgw_backend/src/controllers/matrix/mod.rs b/matrixgw_backend/src/controllers/matrix/mod.rs
new file mode 100644
index 0000000..6742d04
--- /dev/null
+++ b/matrixgw_backend/src/controllers/matrix/mod.rs
@@ -0,0 +1 @@
+pub mod matrix_room_controller;
diff --git a/matrixgw_backend/src/controllers/mod.rs b/matrixgw_backend/src/controllers/mod.rs
index f457c29..0384002 100644
--- a/matrixgw_backend/src/controllers/mod.rs
+++ b/matrixgw_backend/src/controllers/mod.rs
@@ -3,6 +3,7 @@ use actix_web::{HttpResponse, ResponseError};
 use std::error::Error;
 
 pub mod auth_controller;
+pub mod matrix;
 pub mod matrix_link_controller;
 pub mod matrix_sync_thread_controller;
 pub mod server_controller;
diff --git a/matrixgw_backend/src/main.rs b/matrixgw_backend/src/main.rs
index 75a52ef..fc9c805 100644
--- a/matrixgw_backend/src/main.rs
+++ b/matrixgw_backend/src/main.rs
@@ -9,6 +9,7 @@ use actix_web::{App, HttpServer, web};
 use matrixgw_backend::app_config::AppConfig;
 use matrixgw_backend::broadcast_messages::BroadcastMessage;
 use matrixgw_backend::constants;
+use matrixgw_backend::controllers::matrix::matrix_room_controller;
 use matrixgw_backend::controllers::{
     auth_controller, matrix_link_controller, matrix_sync_thread_controller, server_controller,
     tokens_controller, ws_controller,
@@ -134,6 +135,15 @@ async fn main() -> std::io::Result<()> {
                 web::get().to(matrix_sync_thread_controller::status),
             )
             .service(web::resource("/api/ws").route(web::get().to(ws_controller::ws)))
+            // Matrix room controller
+            .route(
+                "/api/matrix/room/joined",
+                web::get().to(matrix_room_controller::joined_rooms),
+            )
+            .route(
+                "/api/matrix/room/{id}",
+                web::get().to(matrix_room_controller::single_room_info),
+            )
     })
     .workers(4)
     .bind(&AppConfig::get().listen_address)?
diff --git a/matrixgw_backend/src/matrix_connection/matrix_client.rs b/matrixgw_backend/src/matrix_connection/matrix_client.rs
index 488773b..4ec021a 100644
--- a/matrixgw_backend/src/matrix_connection/matrix_client.rs
+++ b/matrixgw_backend/src/matrix_connection/matrix_client.rs
@@ -91,7 +91,7 @@ pub struct FinishMatrixAuth {
 pub struct MatrixClient {
     manager: ActorRef<MatrixManagerMsg>,
     pub email: UserEmail,
-    client: Client,
+    pub client: Client,
 }
 
 impl MatrixClient {