clean code with clippy

src/model/trip.rs

@@ -168,7 +168,7 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM trip WHERE i
         trip_id: i64,
     ) -> Result<(), TripDeleteError> {
         let registered_rower = Self::get_all_rower_for_id(db, trip_id).await;
-        if registered_rower.len() > 0 {
+        if registered_rower.is_empty() {
             return Err(TripDeleteError::SomebodyAlreadyRegistered);
         }
 

src/model/user.rs

@@ -55,7 +55,6 @@ impl User {
     }
 
     pub async fn find_by_id(db: &SqlitePool, id: i32) -> Option<Self> {
-        Some(
         sqlx::query_as!(
             User,
             "
@@ -67,12 +66,10 @@ WHERE id like ?
         )
         .fetch_one(db)
         .await
-            .ok()?,
-        )
+        .ok()
     }
 
     async fn find_by_name(db: &SqlitePool, name: String) -> Option<Self> {
-        Some(
         sqlx::query_as!(
             User,
             "
@@ -84,8 +81,7 @@ WHERE name like ?
         )
         .fetch_one(db)
         .await
-            .ok()?,
-        )
+        .ok()
     }
 
     fn get_hashed_pw(pw: &str) -> String {