don't allow cox to help if cox is already registered as rower for event

This commit is contained in:
philipp 2023-04-05 21:49:48 +02:00
parent e2f5436790
commit 9ab1572b15
2 changed files with 47 additions and 17 deletions

View File

@ -65,6 +65,7 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM trip WHERE i
.unwrap() //TODO: fixme
}
/// Cox decides to create own trip.
pub async fn new_own(db: &SqlitePool, cox_id: i64, trip_details_id: i64) {
sqlx::query!(
"INSERT INTO trip (cox_id, trip_details_id) VALUES(?, ?)",
@ -76,17 +77,39 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM trip WHERE i
.unwrap(); //TODO: fixme
}
/// Returns true if successfully inserted; false if not (e.g. because user is already
/// participant
pub async fn new_join(db: &SqlitePool, cox_id: i64, planned_event_id: i64) -> bool {
sqlx::query!(
/// Cox decides to help in a planned event.
pub async fn new_join(
db: &SqlitePool,
cox_id: i64,
planned_event_id: i64,
) -> Result<(), CoxHelpError> {
let is_rower = sqlx::query!(
"SELECT count(*) as amount
FROM user_trip
WHERE trip_details_id =
(SELECT trip_details_id FROM planned_event WHERE id = ?)
AND user_id = ?",
planned_event_id,
cox_id
)
.fetch_one(db)
.await
.unwrap();
if is_rower.amount > 0 {
return Err(CoxHelpError::AlreadyRegisteredAsRower);
}
match sqlx::query!(
"INSERT INTO trip (cox_id, planned_event_id) VALUES(?, ?)",
cox_id,
planned_event_id
)
.execute(db)
.await
.is_ok()
{
Ok(_) => Ok(()),
Err(_) => Err(CoxHelpError::AlreadyRegisteredAsCox),
}
}
pub async fn delete(db: &SqlitePool, user_id: i64, planned_event_id: i64) {
@ -99,11 +122,9 @@ FROM user_trip WHERE trip_details_id = (SELECT trip_details_id FROM trip WHERE i
.await
.is_ok();
}
//pub async fn delete(db: &SqlitePool, id: i64) {
// sqlx::query!("DELETE FROM planned_event WHERE id = ?", id)
// .execute(db)
// .await
// .unwrap(); //TODO: fixme
//}
}
pub enum CoxHelpError {
AlreadyRegisteredAsRower,
AlreadyRegisteredAsCox,
}

View File

@ -6,7 +6,11 @@ use rocket::{
};
use sqlx::SqlitePool;
use crate::model::{trip::Trip, tripdetails::TripDetails, user::CoxUser};
use crate::model::{
trip::{CoxHelpError, Trip},
tripdetails::TripDetails,
user::CoxUser,
};
//TODO: add constraints (e.g. planned_amount_cox > 0)
#[derive(FromForm)]
@ -37,10 +41,15 @@ async fn create(db: &State<SqlitePool>, data: Form<AddTripForm>, cox: CoxUser) -
#[get("/join/<planned_event_id>")]
async fn join(db: &State<SqlitePool>, planned_event_id: i64, cox: CoxUser) -> Flash<Redirect> {
if Trip::new_join(db, cox.id, planned_event_id).await {
Flash::success(Redirect::to("/"), "Danke für's helfen!")
} else {
Flash::error(Redirect::to("/"), "Du nimmst bereits teil!")
match Trip::new_join(db, cox.id, planned_event_id).await {
Ok(_) => Flash::success(Redirect::to("/"), "Danke für's helfen!"),
Err(CoxHelpError::AlreadyRegisteredAsCox) => {
Flash::error(Redirect::to("/"), "Du hilfst bereits aus!")
}
Err(CoxHelpError::AlreadyRegisteredAsRower) => Flash::error(
Redirect::to("/"),
"Du hast dich bereits als Ruderer angemeldet!",
),
}
}