Returns participants for a gamenight

gamenight-database/src/gamenight_participants.rs

@@ -1,10 +1,11 @@
-use diesel::{ExpressionMethods, Insertable, PgConnection, QueryDsl, Queryable, RunQueryDsl};
+use diesel::{ExpressionMethods, Insertable, QueryDsl, Queryable, RunQueryDsl};
 use serde::{Serialize, Deserialize};
 use uuid::Uuid;
 
 use crate::schema::gamenight_participant;
 
 use super::error::DatabaseError;
+use super::DbConnection;
 
 #[derive(Serialize, Deserialize, Debug, Insertable, Queryable)]
 #[diesel(belongs_to(Gamenight))]
@@ -15,8 +16,9 @@ pub struct GamenightParticipants {
     pub user_id: Uuid,
 }
 
-pub fn gamenight_participants(conn: &mut PgConnection, id: Uuid) -> Result<Vec<GamenightParticipants>, DatabaseError> {
+pub fn get_participants(conn: &mut DbConnection, id: &Uuid) -> Result<Vec<Uuid>, DatabaseError> {
     Ok(gamenight_participant::table
-        .filter(gamenight_participant::gamenight_id.eq(id))
+        .filter(gamenight_participant::gamenight_id.eq(&id))
+        .select(gamenight_participant::user_id)
         .get_results(conn)?)
 }

gamenight-database/src/lib.rs

@@ -16,7 +16,7 @@ use diesel_migrations::MigrationHarness;
 pub use user::login;
 pub use user::register;
 pub use gamenight::gamenights;
-pub use gamenight_participants::gamenight_participants;
+pub use gamenight_participants::get_participants;
 
 pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!();
 pub type DbConnection = PgConnection;