feat: include groups and dms in fetch mutuals

crates/core/models/src/v0/users.rs

@@ -255,12 +255,14 @@ auto_derived!(
         pub flags: i32,
     }
 
-    /// Mutual friends and servers response
+    /// Mutual friends, servers, groups and DMs response
     pub struct MutualResponse {
         /// Array of mutual user IDs that both users are friends with
         pub users: Vec<String>,
         /// Array of mutual server IDs that both users are in
         pub servers: Vec<String>,
+        /// Array of mutual group and dm IDs that both users are in
+        pub channels: Vec<String>,
     }
 
     /// Bot information for if the user is a bot

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

@@ -8,9 +8,9 @@ use revolt_result::{create_error, Result};
 use rocket::serde::json::Json;
 use rocket::State;
 
-/// # Fetch Mutual Friends And Servers
+/// # Fetch Mutual Friends, Servers, Groups and DMs
 ///
-/// Retrieve a list of mutual friends and servers with another user.
+/// Retrieve a list of mutual friends, servers, groups and DMs with another user.
 #[openapi(tag = "Relationships")]
 #[get("/<target>/mutual")]
 pub async fn mutual(
@@ -32,5 +32,6 @@ pub async fn mutual(
     Ok(Json(v0::MutualResponse {
         users: db.fetch_mutual_user_ids(&user.id, &target.id).await?,
         servers: db.fetch_mutual_server_ids(&user.id, &target.id).await?,
+        channels: db.fetch_mutual_channel_ids(&user.id, &target.id).await?,
     }))
 }