clean code with clippy

src/model/planned_event.rs

@@ -98,6 +98,15 @@ FROM trip WHERE planned_event_id = ?
     }
 }
 
+pub struct EventUpdate<'a> {
+    pub name: &'a str,
+    pub planned_amount_cox: i32,
+    pub max_people: i32,
+    pub notes: Option<&'a str>,
+    pub always_show: bool,
+    pub is_locked: bool,
+}
+
 impl PlannedEvent {
     pub async fn find_by_id(db: &SqlitePool, id: i64) -> Option<Self> {
         sqlx::query_as!(
@@ -207,20 +216,11 @@ INNER JOIN trip_details ON planned_event.trip_details_id = trip_details.id",
     }
 
     //TODO: create unit test
-    pub async fn update(
-        &self,
-        db: &SqlitePool,
-        name: &str,
-        planned_amount_cox: i32,
-        max_people: i32,
-        notes: Option<&str>,
-        always_show: bool,
-        is_locked: bool,
-    ) {
+    pub async fn update(&self, db: &SqlitePool, update: &EventUpdate<'_>) {
         sqlx::query!(
             "UPDATE planned_event SET name = ?, planned_amount_cox = ? WHERE id = ?",
-            name,
-            planned_amount_cox,
+            update.name,
+            update.planned_amount_cox,
             self.id
         )
         .execute(db)
@@ -229,10 +229,10 @@ INNER JOIN trip_details ON planned_event.trip_details_id = trip_details.id",
 
         sqlx::query!(
             "UPDATE trip_details SET max_people = ?, notes = ?, always_show = ?, is_locked = ? WHERE id = ?",
-            max_people,
-            notes,
-            always_show,
-            is_locked,
+            update.max_people,
+            update.notes,
+            update.always_show,
+            update.is_locked,
             self.trip_details_id
         )
         .execute(db)
@@ -241,16 +241,18 @@ INNER JOIN trip_details ON planned_event.trip_details_id = trip_details.id",
     }
 
     pub async fn delete(&self, db: &SqlitePool) -> Result<(), String> {
-        if Registration::all_rower(db, self.trip_details_id)
+        if !Registration::all_rower(db, self.trip_details_id)
             .await
-            .len()
-            > 0
+            .is_empty()
         {
             return Err(
                 "Event kann nicht gelöscht werden, weil mind. 1 Ruderer angemeldet ist.".into(),
             );
         }
-        if Registration::all_cox(db, self.trip_details_id).await.len() > 0 {
+        if !Registration::all_cox(db, self.trip_details_id)
+            .await
+            .is_empty()
+        {
             return Err(
                 "Event kann nicht gelöscht werden, weil mind. 1 Steuerperson angemeldet ist."
                     .into(),
@@ -326,7 +328,7 @@ mod test {
         let pool = testdb!();
         let planned_event = PlannedEvent::find_by_id(&pool, 1).await.unwrap();
 
-        planned_event.delete(&pool).await;
+        planned_event.delete(&pool).await.unwrap();
 
         let res =
             PlannedEvent::get_for_day(&pool, NaiveDate::from_ymd_opt(1970, 1, 1).unwrap()).await;