ffi: with_mentions method

bindings/matrix-sdk-ffi/src/api.udl

@@ -1,6 +1,13 @@
 namespace matrix_sdk_ffi {};
 
-interface RoomMessageEventContentWithoutRelation {};
+dictionary Mentions {
+  sequence<string> user_ids;
+  boolean room;
+};
+
+interface RoomMessageEventContentWithoutRelation {
+    RoomMessageEventContentWithoutRelation with_mentions(Mentions mentions);
+};
 
 [Error]
 interface ClientError {

bindings/matrix-sdk-ffi/src/lib.rs

@@ -47,7 +47,11 @@ use matrix_sdk::ruma::events::room::{
 };
 use matrix_sdk_ui::timeline::{BackPaginationStatus, EventItemOrigin};
 
-use self::{error::ClientError, task_handle::TaskHandle, timeline::MediaSourceExt};
+use self::{
+    error::ClientError,
+    task_handle::TaskHandle,
+    timeline::{MediaSourceExt, Mentions, RoomMessageEventContentWithoutRelationExt},
+};
 
 uniffi::include_scaffolding!("api");
 

bindings/matrix-sdk-ffi/src/timeline.rs

@@ -1,4 +1,8 @@
-use std::{collections::HashMap, sync::Arc, time::Duration};
+use std::{
+    collections::{BTreeSet, HashMap},
+    sync::Arc,
+    time::Duration,
+};
 
 use as_variant::as_variant;
 use extension_trait::extension_trait;
@@ -31,7 +35,7 @@ use matrix_sdk::{
     },
 };
 use matrix_sdk_ui::timeline::{EventItemOrigin, PollResult, Profile, TimelineDetails};
-use ruma::{assign, serde::JsonObject, UInt};
+use ruma::{assign, serde::JsonObject, OwnedUserId, UInt, UserId};
 use tracing::{info, warn};
 
 use crate::{
@@ -1379,3 +1383,32 @@ impl From<PollResult> for TimelineItemContentKind {
         }
     }
 }
+
+#[extension_trait]
+pub impl RoomMessageEventContentWithoutRelationExt for RoomMessageEventContentWithoutRelation {
+    fn with_mentions(self: Arc<Self>, mentions: Mentions) -> Arc<Self> {
+        let mut content = unwrap_or_clone_arc(self);
+        content.mentions = Some(mentions.into());
+        Arc::new(content)
+    }
+}
+
+pub struct Mentions {
+    pub user_ids: Vec<String>,
+    pub room: bool,
+}
+
+impl From<Mentions> for ruma::events::Mentions {
+    fn from(value: Mentions) -> Self {
+        let mut user_ids = BTreeSet::<OwnedUserId>::new();
+        for user_id in value.user_ids {
+            if let Ok(user_id) = UserId::parse(user_id) {
+                user_ids.insert(user_id);
+            }
+        }
+        let mut result = Self::default();
+        result.user_ids = user_ids;
+        result.room = value.room;
+        result
+    }
+}