add make user admin command (#136)

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/user/commands.rs

@@ -348,6 +348,21 @@ pub(super) async fn force_join_room(
 	)))
 }
 
+pub(super) async fn make_user_admin(_body: Vec<&str>, user_id: String) -> Result<RoomMessageEventContent> {
+	let user_id = parse_local_user_id(&user_id)?;
+	let displayname = services()
+		.users
+		.displayname(&user_id)?
+		.unwrap_or_else(|| user_id.to_string());
+
+	assert!(service::user_is_local(&user_id), "Parsed user_id must be a local user");
+	service::admin::make_user_admin(&user_id, displayname).await?;
+
+	Ok(RoomMessageEventContent::notice_markdown(format!(
+		"{user_id} has been granted admin privileges.",
+	)))
+}
+
 pub(super) async fn put_room_tag(
 	_body: Vec<&str>, user_id: String, room_id: Box<RoomId>, tag: String,
 ) -> Result<RoomMessageEventContent> {