fix many clones()

src/model/planned_event.rs

@@ -144,7 +144,7 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM planned_even
 
     pub async fn create(
         db: &SqlitePool,
-        name: String,
+        name: &str,
         planned_amount_cox: i32,
         trip_details: TripDetails,
     ) {
@@ -165,7 +165,7 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM planned_even
         db: &SqlitePool,
         planned_amount_cox: i32,
         max_people: i32,
-        notes: Option<String>,
+        notes: Option<&str>,
     ) {
         sqlx::query!(
             "UPDATE planned_event SET planned_amount_cox = ? WHERE id = ?",

src/model/trip.rs

@@ -138,7 +138,7 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM trip WHERE i
         cox: &CoxUser,
         trip: &Trip,
         max_people: i32,
-        notes: Option<String>,
+        notes: Option<&str>,
         trip_type: Option<i64>, //TODO: Move to `TripType`
     ) -> Result<(), TripUpdateError> {
         if !trip.is_trip_from_user(cox.id).await {

src/model/tripdetails.rs

@@ -31,10 +31,10 @@ WHERE id like ?
     /// Creates a new entry in `trip_details` and returns its id.
     pub async fn create(
         db: &SqlitePool,
-        planned_starting_time: String,
+        planned_starting_time: &str,
         max_people: i32,
-        day: String,
-        notes: Option<String>,
+        day: &str,
+        notes: Option<&str>,
         allow_guests: bool,
         trip_type_id: Option<i64>,
     ) -> i64 {

src/model/user.rs

@@ -49,7 +49,7 @@ WHERE id like ?
         .ok()
     }
 
-    pub async fn find_by_name(db: &SqlitePool, name: String) -> Option<Self> {
+    pub async fn find_by_name(db: &SqlitePool, name: &str) -> Option<Self> {
         sqlx::query_as!(
             User,
             "
@@ -79,7 +79,7 @@ ORDER BY name
         .unwrap() //TODO: fixme
     }
 
-    pub async fn create(db: &SqlitePool, name: String, is_guest: bool) -> bool {
+    pub async fn create(db: &SqlitePool, name: &str, is_guest: bool) -> bool {
         sqlx::query!(
             "INSERT INTO USER(name, is_guest) VALUES (?,?)",
             name,
@@ -103,7 +103,7 @@ ORDER BY name
         .unwrap(); //Okay, because we can only create a User of a valid id
     }
 
-    pub async fn login(db: &SqlitePool, name: String, pw: String) -> Result<Self, LoginError> {
+    pub async fn login(db: &SqlitePool, name: &str, pw: &str) -> Result<Self, LoginError> {
         let Some(user) = User::find_by_name(db, name).await else {
             return Err(LoginError::InvalidAuthenticationCombo); // Username not found
         };
@@ -133,7 +133,7 @@ ORDER BY name
             .unwrap(); //Okay, because we can only create a User of a valid id
     }
 
-    pub async fn update_pw(&self, db: &SqlitePool, pw: String) {
+    pub async fn update_pw(&self, db: &SqlitePool, pw: &str) {
         let pw = Self::get_hashed_pw(&pw);
         sqlx::query!("UPDATE user SET pw = ? where id = ?", pw, self.id)
             .execute(db)