1 use crate::structs::CommunityFollowerView;
3 dsl::{count_star, not},
9 use diesel_async::RunQueryDsl;
10 use lemmy_db_schema::{
11 newtypes::{CommunityId, DbUrl, PersonId},
12 schema::{community, community_follower, person},
13 source::{community::Community, person::Person},
15 utils::{get_conn, DbPool},
18 type CommunityFollowerViewTuple = (Community, Person);
20 sql_function!(fn coalesce(x: diesel::sql_types::Nullable<diesel::sql_types::Text>, y: diesel::sql_types::Text) -> diesel::sql_types::Text);
22 impl CommunityFollowerView {
23 pub async fn get_community_follower_inboxes(
25 community_id: CommunityId,
26 ) -> Result<Vec<DbUrl>, Error> {
27 let conn = &mut get_conn(pool).await?;
28 let res = community_follower::table
29 .filter(community_follower::community_id.eq(community_id))
30 .filter(not(person::local))
31 .inner_join(person::table)
32 .select(coalesce(person::shared_inbox_url, person::inbox_url))
39 pub async fn count_community_followers(
41 community_id: CommunityId,
42 ) -> Result<i64, Error> {
43 let conn = &mut get_conn(pool).await?;
44 let res = community_follower::table
45 .filter(community_follower::community_id.eq(community_id))
53 pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
54 let conn = &mut get_conn(pool).await?;
55 let res = community_follower::table
56 .inner_join(community::table)
57 .inner_join(person::table)
58 .select((community::all_columns, person::all_columns))
59 .filter(community_follower::person_id.eq(person_id))
60 .filter(community::deleted.eq(false))
61 .filter(community::removed.eq(false))
62 .order_by(community::title)
63 .load::<CommunityFollowerViewTuple>(conn)
66 Ok(res.into_iter().map(Self::from_tuple).collect())
70 impl JoinView for CommunityFollowerView {
71 type JoinTuple = CommunityFollowerViewTuple;
72 fn from_tuple(a: Self::JoinTuple) -> Self {