feat: separate friend request route

crates/delta/src/routes/users/add_friend.rs

@@ -1,16 +1,20 @@
 use revolt_quark::models::User;
-use revolt_quark::{Database, Error, Result};
+use revolt_quark::{Database, Error, Ref, Result};
 
 use rocket::serde::json::Json;
 use rocket::State;
 
-/// # Send Friend Request / Accept Request
+/// # Accept Friend Request
 ///
-/// Send a friend request to another user or accept another user's friend request.
+/// Accept another user's friend request.
 #[openapi(tag = "Relationships")]
-#[put("/<username>/friend")]
-pub async fn req(db: &State<Database>, user: User, username: String) -> Result<Json<User>> {
-    let mut target = db.fetch_user_by_username(&username).await?;
+#[put("/<target>/friend")]
+pub async fn req(db: &State<Database>, user: User, target: Ref) -> Result<Json<User>> {
+    let mut target = if let Ok(user) = db.fetch_user_by_username(&target.id).await {
+        user
+    } else {
+        target.as_user(db).await?
+    };
 
     if user.bot.is_some() || target.bot.is_some() {
         return Err(Error::IsBot);