[TASK] group reservations in log to avoid near-duplicates

src/model/boatreservation.rs

@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use crate::model::{boat::Boat, user::User};
 use chrono::NaiveDate;
 use chrono::NaiveDateTime;
@@ -24,7 +26,7 @@ pub struct BoatReservation {
 #[derive(FromRow, Debug, Serialize, Deserialize)]
 pub struct BoatReservationWithDetails {
     #[serde(flatten)]
-    boat_reservation: BoatReservation,
+    reservation: BoatReservation,
     boat: Boat,
     user_applicant: User,
     user_confirmation: Option<User>,
@@ -84,7 +86,7 @@ WHERE end_date >= CURRENT_DATE ORDER BY end_date
                 .unwrap();
 
             res.push(BoatReservationWithDetails {
-                boat_reservation: reservation,
+                reservation,
                 boat,
                 user_applicant,
                 user_confirmation,
@@ -92,6 +94,31 @@ WHERE end_date >= CURRENT_DATE ORDER BY end_date
         }
         res
     }
+    pub async fn all_future_with_groups(
+        db: &SqlitePool,
+    ) -> HashMap<String, Vec<BoatReservationWithDetails>> {
+        let mut grouped_reservations: HashMap<String, Vec<BoatReservationWithDetails>> =
+            HashMap::new();
+
+        let reservations = Self::all_future(db).await;
+        for reservation in reservations {
+            let key = format!(
+                "{}-{}-{}-{}-{}",
+                reservation.reservation.start_date,
+                reservation.reservation.end_date,
+                reservation.reservation.time_desc,
+                reservation.reservation.usage,
+                reservation.user_applicant.name
+            );
+
+            grouped_reservations
+                .entry(key)
+                .or_insert_with(Vec::new)
+                .push(reservation);
+        }
+
+        grouped_reservations
+    }
 
     pub async fn create(
         db: &SqlitePool,

src/model/user.rs

@@ -26,7 +26,7 @@ const REGULAR: i32 = 22000;
 const UNTERSTUETZEND: i32 = 2500;
 const FOERDERND: i32 = 8500;
 
-#[derive(FromRow, Serialize, Deserialize, Clone, Debug)]
+#[derive(FromRow, Serialize, Deserialize, Clone, Debug, Eq, Hash)]
 pub struct User {
     pub id: i64,
     pub name: String,