geneit_backend/src/controllers/accommodations_reservations_controller.rs

@@ -1,5 +1,6 @@
 use crate::controllers::HttpResult;
 use crate::extractors::accommodation_extractor::FamilyAndAccommodationInPath;
+use crate::extractors::accommodation_reservation_extractor::FamilyAndAccommodationReservationInPath;
 use crate::extractors::family_extractor::FamilyInPath;
 use crate::services::accommodations_reservations_service;
 use actix_web::HttpResponse;
@@ -15,3 +16,8 @@ pub async fn full_list(m: FamilyInPath) -> HttpResult {
     Ok(HttpResponse::Ok()
         .json(accommodations_reservations_service::get_all_of_family(m.family_id()).await?))
 }
+
+/// Get a single accommodation reservation
+pub async fn get_single(m: FamilyAndAccommodationReservationInPath) -> HttpResult {
+    Ok(HttpResponse::Ok().json(m.to_reservation()))
+}

geneit_backend/src/extractors/accommodation_extractor.rs

@@ -72,7 +72,7 @@ impl FromRequest for FamilyAndAccommodationInPath {
             .await?
             .accommodation_id;
 
-            FamilyAndAccommodationInPath::load_accommodation_from_path(family, accommodation_id)
+            Self::load_accommodation_from_path(family, accommodation_id)
                 .await
                 .map_err(|e| {
                     log::error!("Failed to extract accommodation ID from URL! {}", e);

geneit_backend/src/extractors/accommodation_reservation_extractor.rs

@@ -0,0 +1,99 @@
+use crate::extractors::family_extractor::FamilyInPath;
+use crate::models::{
+    Accommodation, AccommodationReservation, AccommodationReservationID, FamilyID, Membership,
+};
+use crate::services::{accommodations_list_service, accommodations_reservations_service};
+use actix_web::dev::Payload;
+use actix_web::{FromRequest, HttpRequest};
+use serde::Deserialize;
+use std::fmt::Debug;
+use std::ops::Deref;
+
+#[derive(thiserror::Error, Debug)]
+enum AccommodationReservationExtractorErr {
+    #[error("Accommodation reservation {0:?} does not belong to family {1:?}!")]
+    AccommodationNotInFamily(AccommodationReservationID, FamilyID),
+}
+
+#[derive(Debug)]
+pub struct FamilyAndAccommodationReservationInPath(
+    Membership,
+    Accommodation,
+    AccommodationReservation,
+);
+
+impl FamilyAndAccommodationReservationInPath {
+    async fn load_accommodation_reservation_from_path(
+        family: FamilyInPath,
+        reservation_id: AccommodationReservationID,
+    ) -> anyhow::Result<Self> {
+        let reservation = accommodations_reservations_service::get_by_id(reservation_id).await?;
+        let accommodation =
+            accommodations_list_service::get_by_id(reservation.accommodation_id()).await?;
+
+        if accommodation.family_id() != family.family_id()
+            || reservation.family_id() != family.family_id()
+        {
+            return Err(
+                AccommodationReservationExtractorErr::AccommodationNotInFamily(
+                    reservation.id(),
+                    family.family_id(),
+                )
+                .into(),
+            );
+        }
+
+        Ok(Self(family.into(), accommodation, reservation))
+    }
+}
+
+impl Deref for FamilyAndAccommodationReservationInPath {
+    type Target = AccommodationReservation;
+
+    fn deref(&self) -> &Self::Target {
+        &self.2
+    }
+}
+
+impl FamilyAndAccommodationReservationInPath {
+    pub fn membership(&self) -> &Membership {
+        &self.0
+    }
+
+    pub fn to_accommodation(self) -> Accommodation {
+        self.1
+    }
+
+    pub fn to_reservation(self) -> AccommodationReservation {
+        self.2
+    }
+}
+
+#[derive(Deserialize)]
+struct ReservationIDInPath {
+    reservation_id: AccommodationReservationID,
+}
+
+impl FromRequest for FamilyAndAccommodationReservationInPath {
+    type Error = actix_web::Error;
+    type Future = futures_util::future::LocalBoxFuture<'static, Result<Self, Self::Error>>;
+
+    fn from_request(req: &HttpRequest, _payload: &mut Payload) -> Self::Future {
+        let req = req.clone();
+        Box::pin(async move {
+            let family = FamilyInPath::extract(&req).await?;
+
+            let reservation_id =
+                actix_web::web::Path::<ReservationIDInPath>::from_request(&req, &mut Payload::None)
+                    .await?
+                    .reservation_id;
+
+            Self::load_accommodation_reservation_from_path(family, reservation_id)
+                .await
+                .map_err(|e| {
+                    log::error!("Failed to extract accommodation ID from URL! {}", e);
+                    actix_web::error::ErrorNotFound("Could not fetch accommodation information!")
+                })
+        })
+    }
+}

geneit_backend/src/extractors/mod.rs

@@ -1,4 +1,5 @@
 pub mod accommodation_extractor;
+pub mod accommodation_reservation_extractor;
 pub mod couple_extractor;
 pub mod family_extractor;
 pub mod member_extractor;

geneit_backend/src/main.rs

@@ -227,10 +227,6 @@ async fn main() -> std::io::Result<()> {
                 web::delete().to(accommodations_list_controller::delete),
             )
             // [ACCOMODATIONS] Reservations controller
-            // TODO : create
-            // TODO : get single
-            // TODO : update
-            // TODO : delete
             .route(
                 "/family/{id}/accommodations/reservations/accommodation/{accommodation_id}",
                 web::get()
@@ -240,6 +236,13 @@ async fn main() -> std::io::Result<()> {
                 "/family/{id}/accommodations/reservations/full_list",
                 web::get().to(accommodations_reservations_controller::full_list),
             )
+            // TODO : create
+            .route(
+                "/family/{id}/accommodations/reservation/{reservation_id}",
+                web::get().to(accommodations_reservations_controller::get_single),
+            )
+            // TODO : update
+            // TODO : delete
             // TODO : validate or reject
             // Photos controller
             .route(

geneit_backend/src/models.rs

@@ -498,6 +498,20 @@ pub struct AccommodationReservation {
     pub validated: Option<bool>,
 }
 
+impl AccommodationReservation {
+    pub fn id(&self) -> AccommodationReservationID {
+        AccommodationReservationID(self.id)
+    }
+
+    pub fn accommodation_id(&self) -> AccommodationID {
+        AccommodationID(self.accommodation_id)
+    }
+
+    pub fn family_id(&self) -> FamilyID {
+        FamilyID(self.family_id)
+    }
+}
+
 #[derive(Insertable)]
 #[diesel(table_name = accommodations_reservations)]
 pub struct NewAccommodationReservation {

geneit_backend/src/services/accommodations_reservations_service.rs

@@ -1,5 +1,7 @@
 use crate::connections::db_connection;
-use crate::models::{AccommodationID, AccommodationReservation, FamilyID};
+use crate::models::{
+    AccommodationID, AccommodationReservation, AccommodationReservationID, FamilyID,
+};
 use crate::schema::accommodations_reservations;
 use diesel::prelude::*;
 
@@ -22,3 +24,12 @@ pub async fn get_all_of_family(id: FamilyID) -> anyhow::Result<Vec<Accommodation
             .get_results(conn)
     })
 }
+
+/// Get a single accommodation reservation by its id
+pub async fn get_by_id(id: AccommodationReservationID) -> anyhow::Result<AccommodationReservation> {
+    db_connection::execute(|conn| {
+        accommodations_reservations::table
+            .filter(accommodations_reservations::dsl::id.eq(id.0))
+            .get_result(conn)
+    })
+}