1 use crate::structs::CommunityModeratorView;
2 use diesel::{result::Error, ExpressionMethods, QueryDsl};
3 use diesel_async::RunQueryDsl;
5 newtypes::{CommunityId, PersonId},
6 schema::{community, community_moderator, person},
7 source::{community::Community, person::Person},
9 utils::{get_conn, DbPool},
12 type CommunityModeratorViewTuple = (Community, Person);
14 impl CommunityModeratorView {
15 pub async fn for_community(pool: &DbPool, community_id: CommunityId) -> Result<Vec<Self>, Error> {
16 let conn = &mut get_conn(pool).await?;
17 let res = community_moderator::table
18 .inner_join(community::table)
19 .inner_join(person::table)
20 .select((community::all_columns, person::all_columns))
21 .filter(community_moderator::community_id.eq(community_id))
22 .order_by(community_moderator::published)
23 .load::<CommunityModeratorViewTuple>(conn)
26 Ok(res.into_iter().map(Self::from_tuple).collect())
29 pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
30 let conn = &mut get_conn(pool).await?;
31 let res = community_moderator::table
32 .inner_join(community::table)
33 .inner_join(person::table)
34 .select((community::all_columns, person::all_columns))
35 .filter(community_moderator::person_id.eq(person_id))
36 .filter(community::deleted.eq(false))
37 .filter(community::removed.eq(false))
38 .order_by(community_moderator::published)
39 .load::<CommunityModeratorViewTuple>(conn)
42 Ok(res.into_iter().map(Self::from_tuple).collect())
45 /// Finds all communities first mods / creators
46 /// Ideally this should be a group by, but diesel doesn't support it yet
47 pub async fn get_community_first_mods(pool: &DbPool) -> Result<Vec<Self>, Error> {
48 let conn = &mut get_conn(pool).await?;
49 let res = community_moderator::table
50 .inner_join(community::table)
51 .inner_join(person::table)
52 .select((community::all_columns, person::all_columns))
53 // A hacky workaround instead of group_bys
54 // https://stackoverflow.com/questions/24042359/how-to-join-only-one-row-in-joined-table-with-postgres
55 .distinct_on(community_moderator::community_id)
57 community_moderator::community_id,
58 community_moderator::person_id,
60 .load::<CommunityModeratorViewTuple>(conn)
63 Ok(res.into_iter().map(Self::from_tuple).collect())
67 impl JoinView for CommunityModeratorView {
68 type JoinTuple = CommunityModeratorViewTuple;
69 fn from_tuple(a: Self::JoinTuple) -> Self {