Add an accommodations reservations module (#188)

Add a new module to enable accommodations reservation

![](https://gitea.communiquons.org/attachments/de1f5b12-0a93-40f8-b29d-97665daa6fd5)

Reviewed-on: #188

geneit_backend/src/services/accommodations_reservations_service.rs

@@ -0,0 +1,101 @@
+use crate::connections::db_connection;
+use crate::models::{
+    AccommodationID, AccommodationReservation, AccommodationReservationID, FamilyID,
+    NewAccommodationReservation,
+};
+use crate::schema::accommodations_reservations;
+use crate::utils::time_utils::time;
+use diesel::prelude::*;
+
+/// Create a new reservation
+pub async fn create(new: &NewAccommodationReservation) -> anyhow::Result<AccommodationReservation> {
+    db_connection::execute(|conn| {
+        let res: AccommodationReservation = diesel::insert_into(accommodations_reservations::table)
+            .values(new)
+            .get_result(conn)?;
+
+        Ok(res)
+    })
+}
+
+/// Update a reservation
+pub async fn update(r: &mut AccommodationReservation) -> anyhow::Result<()> {
+    r.time_update = time() as i64;
+
+    db_connection::execute(|conn| {
+        diesel::update(
+            accommodations_reservations::dsl::accommodations_reservations
+                .filter(accommodations_reservations::dsl::id.eq(r.id().0)),
+        )
+        .set((
+            accommodations_reservations::dsl::time_update.eq(r.time_update),
+            accommodations_reservations::dsl::validated.eq(r.validated),
+            accommodations_reservations::dsl::reservation_start.eq(r.reservation_start),
+            accommodations_reservations::dsl::reservation_end.eq(r.reservation_end),
+        ))
+        .execute(conn)
+    })?;
+
+    Ok(())
+}
+
+/// Delete a reservation
+pub async fn delete(r: AccommodationReservation) -> anyhow::Result<()> {
+    // Remove the reservation
+    db_connection::execute(|conn| {
+        diesel::delete(
+            accommodations_reservations::dsl::accommodations_reservations
+                .filter(accommodations_reservations::dsl::id.eq(r.id().0)),
+        )
+        .execute(conn)
+    })?;
+
+    Ok(())
+}
+
+/// Get all the reservations of an accommodation
+pub async fn get_all_of_accommodation(
+    id: AccommodationID,
+) -> anyhow::Result<Vec<AccommodationReservation>> {
+    db_connection::execute(|conn| {
+        accommodations_reservations::table
+            .filter(accommodations_reservations::dsl::accommodation_id.eq(id.0))
+            .get_results(conn)
+    })
+}
+
+/// Get all the reservations of a family
+pub async fn get_all_of_family(id: FamilyID) -> anyhow::Result<Vec<AccommodationReservation>> {
+    db_connection::execute(|conn| {
+        accommodations_reservations::table
+            .filter(accommodations_reservations::dsl::family_id.eq(id.0))
+            .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)
+    })
+}
+
+/// Get the reservations that are between a given interval of time for a given accommodation
+pub async fn get_reservations_for_time_interval(
+    id: AccommodationID,
+    start: usize,
+    end: usize,
+) -> anyhow::Result<Vec<AccommodationReservation>> {
+    db_connection::execute(|conn| {
+        accommodations_reservations::table
+            .filter(
+                accommodations_reservations::dsl::accommodation_id
+                    .eq(id.0)
+                    .and(accommodations_reservations::dsl::reservation_start.lt((end) as i64))
+                    .and(accommodations_reservations::dsl::reservation_end.gt((start) as i64)),
+            )
+            .get_results(conn)
+    })
+}