even more tests!

src/model/usertrip.rs

@@ -1,6 +1,6 @@
 use sqlx::SqlitePool;
 
-use super::planned_event::PlannedEvent;
+use super::tripdetails::TripDetails;
 
 pub struct UserTrip {}
 
@@ -10,7 +10,11 @@ impl UserTrip {
         user_id: i64,
         trip_details_id: i64,
     ) -> Result<(), UserTripError> {
-        if PlannedEvent::is_full(db, trip_details_id).await {
+        let trip_details = TripDetails::find_by_id(&db, trip_details_id)
+            .await
+            .ok_or(UserTripError::TripDetailsNotFound)?;
+
+        if trip_details.is_full(db).await {
             return Err(UserTripError::EventAlreadyFull);
         }
 
@@ -78,4 +82,5 @@ pub enum UserTripError {
     AlreadyRegistered,
     AlreadyRegisteredAsCox,
     EventAlreadyFull,
+    TripDetailsNotFound,
 }