show owner of boat in boat km list

src/model/boat.rs

@@ -343,6 +343,14 @@ ORDER BY amount_seats DESC
         Ok(())
     }
 
+    pub async fn owner(&self, db: &SqlitePool) -> Option<User> {
+        if let Some(owner_id) = self.owner {
+            Some(User::find_by_id(db, owner_id as i32).await.unwrap())
+        } else {
+            None
+        }
+    }
+
     pub async fn delete(&self, db: &SqlitePool) {
         sqlx::query!("DELETE FROM boat WHERE id=?", self.id)
             .execute(db)