add cox_needed attribute

src/model/planned_event.rs

@@ -19,6 +19,7 @@ pub struct PlannedEvent {
 pub struct PlannedEventWithUser {
     #[serde(flatten)]
     planned_event: PlannedEvent,
+    cox_needed: bool,
     cox: Vec<Registration>,
     rower: Vec<Registration>,
 }
@@ -47,9 +48,11 @@ WHERE day=?",
 
         let mut ret = Vec::new();
         for event in events {
+            let cox = Self::get_all_cox_for_id(db, event.id).await;
             ret.push(PlannedEventWithUser {
                 planned_event: event.clone(),
-                cox: Self::get_all_cox_for_id(db, event.id).await,
+                cox_needed: event.planned_amount_cox > cox.len() as i64,
+                cox,
                 rower: Self::get_all_rower_for_id(db, event.id).await,
             });
         }