Merge remote-tracking branch 'origin/main' into chore/utoipa

crates/core/database/src/util/funcs.rs

@@ -0,0 +1,24 @@
+use crate::Database;
+use revolt_result::Result;
+
+/// Formats a user's name depending on their optional features and location.
+/// Factors in server display names and user display names before falling back to username#discriminator.
+/// Passing a server in which the user is not a member will result in an Err.
+pub async fn format_display_name(
+    db: &Database,
+    user_id: &str,
+    server_id: Option<&str>,
+) -> Result<String> {
+    if let Some(server_id) = server_id {
+        let member = db.fetch_member(server_id, user_id).await?;
+        if let Some(nick) = member.nickname {
+            return Ok(nick);
+        }
+    }
+
+    let user = db.fetch_user(user_id).await?;
+    if let Some(display) = user.display_name {
+        return Ok(display);
+    }
+    Ok(format!("{}#{}", user.username, user.discriminator))
+}