konobangu/apps/recorder/src/models/subscription_episode.rs

110 lines
2.9 KiB
Rust

use async_trait::async_trait;
use sea_orm::{ActiveValue, entity::prelude::*, sea_query::OnConflict};
use serde::{Deserialize, Serialize};
use crate::{app::AppContextTrait, errors::RecorderResult};
#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
#[sea_orm(table_name = "subscription_episode")]
pub struct Model {
#[sea_orm(primary_key)]
pub id: i32,
pub subscriber_id: i32,
pub subscription_id: i32,
pub episode_id: i32,
}
#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
pub enum Relation {
#[sea_orm(
belongs_to = "super::subscriptions::Entity",
from = "Column::SubscriptionId",
to = "super::subscriptions::Column::Id",
on_update = "Cascade",
on_delete = "Cascade"
)]
Subscription,
#[sea_orm(
belongs_to = "super::episodes::Entity",
from = "Column::EpisodeId",
to = "super::episodes::Column::Id",
on_update = "Cascade",
on_delete = "Cascade"
)]
Episode,
#[sea_orm(
belongs_to = "super::subscribers::Entity",
from = "Column::SubscriberId",
to = "super::subscribers::Column::Id",
on_update = "Cascade",
on_delete = "Cascade"
)]
Subscriber,
}
impl Related<super::subscriptions::Entity> for Entity {
fn to() -> RelationDef {
Relation::Subscription.def()
}
}
impl Related<super::episodes::Entity> for Entity {
fn to() -> RelationDef {
Relation::Episode.def()
}
}
impl Related<super::subscribers::Entity> for Entity {
fn to() -> RelationDef {
Relation::Subscriber.def()
}
}
#[derive(Copy, Clone, Debug, EnumIter, DeriveRelatedEntity)]
pub enum RelatedEntity {
#[sea_orm(entity = "super::subscriptions::Entity")]
Subscription,
#[sea_orm(entity = "super::episodes::Entity")]
Episode,
#[sea_orm(entity = "super::subscribers::Entity")]
Subscriber,
}
#[async_trait]
impl ActiveModelBehavior for ActiveModel {}
impl Model {
pub async fn add_episodes_for_subscription(
ctx: &dyn AppContextTrait,
episode_ids: impl Iterator<Item = i32>,
subscriber_id: i32,
subscription_id: i32,
) -> RecorderResult<()> {
let db = ctx.db();
let active_models = episode_ids
.map(|episode_id| ActiveModel {
episode_id: ActiveValue::Set(episode_id),
subscription_id: ActiveValue::Set(subscription_id),
subscriber_id: ActiveValue::Set(subscriber_id),
..Default::default()
})
.collect::<Vec<_>>();
if active_models.is_empty() {
return Ok(());
}
Entity::insert_many(active_models)
.on_conflict(
OnConflict::columns([Column::SubscriptionId, Column::EpisodeId])
.do_nothing()
.to_owned(),
)
.exec_without_returning(db)
.await?;
Ok(())
}
}