backend/src/objects/role.rs

96 lines
2.4 KiB
Rust

use diesel::{
ExpressionMethods, Insertable, QueryDsl, Queryable, Selectable, SelectableHelper, insert_into,
update,
};
use diesel_async::RunQueryDsl;
use serde::Serialize;
use uuid::Uuid;
use crate::{Conn, error::Error, schema::roles, utils::order_by_is_above};
use super::{HasIsAbove, HasUuid, load_or_empty};
#[derive(Serialize, Clone, Queryable, Selectable, Insertable)]
#[diesel(table_name = roles)]
#[diesel(check_for_backend(diesel::pg::Pg))]
pub struct Role {
uuid: Uuid,
guild_uuid: Uuid,
name: String,
color: i32,
is_above: Option<Uuid>,
permissions: i64,
}
impl HasUuid for Role {
fn uuid(&self) -> &Uuid {
self.uuid.as_ref()
}
}
impl HasIsAbove for Role {
fn is_above(&self) -> Option<&Uuid> {
self.is_above.as_ref()
}
}
impl Role {
pub async fn fetch_all(conn: &mut Conn, guild_uuid: Uuid) -> Result<Vec<Self>, Error> {
use roles::dsl;
let roles: Vec<Role> = load_or_empty(
dsl::roles
.filter(dsl::guild_uuid.eq(guild_uuid))
.select(Role::as_select())
.load(conn)
.await,
)?;
Ok(roles)
}
pub async fn fetch_one(conn: &mut Conn, role_uuid: Uuid) -> Result<Self, Error> {
use roles::dsl;
let role: Role = dsl::roles
.filter(dsl::uuid.eq(role_uuid))
.select(Role::as_select())
.get_result(conn)
.await?;
Ok(role)
}
pub async fn new(conn: &mut Conn, guild_uuid: Uuid, name: String) -> Result<Self, Error> {
let role_uuid = Uuid::now_v7();
let roles = Self::fetch_all(conn, guild_uuid).await?;
let roles_ordered = order_by_is_above(roles).await?;
let last_role = roles_ordered.last();
let new_role = Role {
uuid: role_uuid,
guild_uuid,
name,
color: 16777215,
is_above: None,
permissions: 0,
};
insert_into(roles::table)
.values(new_role.clone())
.execute(conn)
.await?;
if let Some(old_last_role) = last_role {
use roles::dsl;
update(roles::table)
.filter(dsl::uuid.eq(old_last_role.uuid))
.set(dsl::is_above.eq(new_role.uuid))
.execute(conn)
.await?;
}
Ok(new_role)
}
}