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 .load::<CommunityModeratorViewTuple>(conn)
25 Ok(res.into_iter().map(Self::from_tuple).collect())
28 pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
29 let conn = &mut get_conn(pool).await?;
30 let res = community_moderator::table
31 .inner_join(community::table)
32 .inner_join(person::table)
33 .select((community::all_columns, person::all_columns))
34 .filter(community_moderator::person_id.eq(person_id))
35 .filter(community::deleted.eq(false))
36 .filter(community::removed.eq(false))
37 .load::<CommunityModeratorViewTuple>(conn)
40 Ok(res.into_iter().map(Self::from_tuple).collect())
43 /// Finds all communities first mods / creators
44 /// Ideally this should be a group by, but diesel doesn't support it yet
45 pub async fn get_community_first_mods(pool: &DbPool) -> Result<Vec<Self>, Error> {
46 let conn = &mut get_conn(pool).await?;
47 let res = community_moderator::table
48 .inner_join(community::table)
49 .inner_join(person::table)
50 .select((community::all_columns, person::all_columns))
51 // A hacky workaround instead of group_bys
52 // https://stackoverflow.com/questions/24042359/how-to-join-only-one-row-in-joined-table-with-postgres
53 .distinct_on(community_moderator::community_id)
55 community_moderator::community_id,
56 community_moderator::person_id,
58 .load::<CommunityModeratorViewTuple>(conn)
61 Ok(res.into_iter().map(Self::from_tuple).collect())
65 impl JoinView for CommunityModeratorView {
66 type JoinTuple = CommunityModeratorViewTuple;
67 fn from_tuple(a: Self::JoinTuple) -> Self {