use crate::structs::CommunityFollowerView;
-use diesel::{result::Error, *};
+use diesel::{
+ dsl::{count_star, not},
+ result::Error,
+ sql_function,
+ ExpressionMethods,
+ QueryDsl,
+};
+use diesel_async::RunQueryDsl;
use lemmy_db_schema::{
- newtypes::{CommunityId, PersonId},
+ newtypes::{CommunityId, DbUrl, PersonId},
schema::{community, community_follower, person},
- source::{
- community::{Community, CommunitySafe},
- person::{Person, PersonSafe},
- },
- traits::{ToSafe, ViewToVec},
+ source::{community::Community, person::Person},
+ traits::JoinView,
+ utils::{get_conn, DbPool},
};
-type CommunityFollowerViewTuple = (CommunitySafe, PersonSafe, bool);
+type CommunityFollowerViewTuple = (Community, Person);
+
+sql_function!(fn coalesce(x: diesel::sql_types::Nullable<diesel::sql_types::Text>, y: diesel::sql_types::Text) -> diesel::sql_types::Text);
impl CommunityFollowerView {
- pub fn for_community(conn: &PgConnection, community_id: CommunityId) -> Result<Vec<Self>, Error> {
+ pub async fn get_community_follower_inboxes(
+ pool: &mut DbPool<'_>,
+ community_id: CommunityId,
+ ) -> Result<Vec<DbUrl>, Error> {
+ let conn = &mut get_conn(pool).await?;
let res = community_follower::table
- .inner_join(community::table)
- .inner_join(person::table)
- .select((
- Community::safe_columns_tuple(),
- Person::safe_columns_tuple(),
- community_follower::pending,
- ))
.filter(community_follower::community_id.eq(community_id))
- .order_by(community::title)
- .load::<CommunityFollowerViewTuple>(conn)?;
+ .filter(not(person::local))
+ .inner_join(person::table)
+ .select(coalesce(person::shared_inbox_url, person::inbox_url))
+ .distinct()
+ .load::<DbUrl>(conn)
+ .await?;
- Ok(Self::from_tuple_to_vec(res))
+ Ok(res)
}
-
- pub fn for_person(conn: &PgConnection, person_id: PersonId) -> Result<Vec<Self>, Error> {
+ pub async fn count_community_followers(
+ pool: &mut DbPool<'_>,
+ community_id: CommunityId,
+ ) -> Result<i64, Error> {
+ let conn = &mut get_conn(pool).await?;
let res = community_follower::table
- .inner_join(community::table)
- .inner_join(person::table)
- .select((
- Community::safe_columns_tuple(),
- Person::safe_columns_tuple(),
- community_follower::pending,
- ))
- .filter(community_follower::person_id.eq(person_id))
- .order_by(community::title)
- .load::<CommunityFollowerViewTuple>(conn)?;
+ .filter(community_follower::community_id.eq(community_id))
+ .select(count_star())
+ .first::<i64>(conn)
+ .await?;
- Ok(Self::from_tuple_to_vec(res))
+ Ok(res)
}
- pub fn read(
- conn: &PgConnection,
- community_id: CommunityId,
- person_id: PersonId,
- ) -> Result<Self, Error> {
- let (community, follower, pending) = community_follower::table
+ pub async fn for_person(pool: &mut DbPool<'_>, person_id: PersonId) -> Result<Vec<Self>, Error> {
+ let conn = &mut get_conn(pool).await?;
+ let res = community_follower::table
.inner_join(community::table)
.inner_join(person::table)
- .select((
- Community::safe_columns_tuple(),
- Person::safe_columns_tuple(),
- community_follower::pending,
- ))
+ .select((community::all_columns, person::all_columns))
.filter(community_follower::person_id.eq(person_id))
- .filter(community_follower::community_id.eq(community_id))
- .first::<CommunityFollowerViewTuple>(conn)?;
+ .filter(community::deleted.eq(false))
+ .filter(community::removed.eq(false))
+ .order_by(community::title)
+ .load::<CommunityFollowerViewTuple>(conn)
+ .await?;
- Ok(Self {
- community,
- follower,
- pending,
- })
+ Ok(res.into_iter().map(Self::from_tuple).collect())
}
}
-impl ViewToVec for CommunityFollowerView {
- type DbTuple = CommunityFollowerViewTuple;
- fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
- items
- .iter()
- .map(|a| Self {
- community: a.0.to_owned(),
- follower: a.1.to_owned(),
- pending: a.2.to_owned(),
- })
- .collect::<Vec<Self>>()
+impl JoinView for CommunityFollowerView {
+ type JoinTuple = CommunityFollowerViewTuple;
+ fn from_tuple(a: Self::JoinTuple) -> Self {
+ Self {
+ community: a.0,
+ follower: a.1,
+ }
}
}