lemmy/crates/db_views_actor/src/community_block_view.rs

50 lines
1.4 KiB
Rust

use crate::structs::CommunityBlockView;
use diesel::{result::Error, ExpressionMethods, QueryDsl};
use diesel_async::RunQueryDsl;
use lemmy_db_schema::{
newtypes::PersonId,
schema::{community, community_block, person},
source::{
community::{Community, CommunitySafe},
person::{Person, PersonSafe},
},
traits::{ToSafe, ViewToVec},
utils::{get_conn, DbPool},
};
type CommunityBlockViewTuple = (PersonSafe, CommunitySafe);
impl CommunityBlockView {
pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
let conn = &mut get_conn(pool).await?;
let res = community_block::table
.inner_join(person::table)
.inner_join(community::table)
.select((
Person::safe_columns_tuple(),
Community::safe_columns_tuple(),
))
.filter(community_block::person_id.eq(person_id))
.filter(community::deleted.eq(false))
.filter(community::removed.eq(false))
.order_by(community_block::published)
.load::<CommunityBlockViewTuple>(conn)
.await?;
Ok(Self::from_tuple_to_vec(res))
}
}
impl ViewToVec for CommunityBlockView {
type DbTuple = CommunityBlockViewTuple;
fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
items
.into_iter()
.map(|a| Self {
person: a.0,
community: a.1,
})
.collect::<Vec<Self>>()
}
}