1 use crate::structs::CommunityModeratorView;
2 use diesel::{result::Error, *};
4 newtypes::{CommunityId, PersonId},
5 schema::{community, community_moderator, person},
7 community::{Community, CommunitySafe},
8 person::{Person, PersonSafe},
10 traits::{ToSafe, ViewToVec},
13 type CommunityModeratorViewTuple = (CommunitySafe, PersonSafe);
15 impl CommunityModeratorView {
17 conn: &mut PgConnection,
18 community_id: CommunityId,
19 ) -> Result<Vec<Self>, Error> {
20 let res = community_moderator::table
21 .inner_join(community::table)
22 .inner_join(person::table)
24 Community::safe_columns_tuple(),
25 Person::safe_columns_tuple(),
27 .filter(community_moderator::community_id.eq(community_id))
28 .order_by(community_moderator::published)
29 .load::<CommunityModeratorViewTuple>(conn)?;
31 Ok(Self::from_tuple_to_vec(res))
34 pub fn for_person(conn: &mut PgConnection, person_id: PersonId) -> Result<Vec<Self>, Error> {
35 let res = community_moderator::table
36 .inner_join(community::table)
37 .inner_join(person::table)
39 Community::safe_columns_tuple(),
40 Person::safe_columns_tuple(),
42 .filter(community_moderator::person_id.eq(person_id))
43 .order_by(community_moderator::published)
44 .load::<CommunityModeratorViewTuple>(conn)?;
46 Ok(Self::from_tuple_to_vec(res))
49 /// Finds all communities first mods / creators
50 /// Ideally this should be a group by, but diesel doesn't support it yet
51 pub fn get_community_first_mods(conn: &mut PgConnection) -> Result<Vec<Self>, Error> {
52 let res = community_moderator::table
53 .inner_join(community::table)
54 .inner_join(person::table)
56 Community::safe_columns_tuple(),
57 Person::safe_columns_tuple(),
59 // A hacky workaround instead of group_bys
60 // https://stackoverflow.com/questions/24042359/how-to-join-only-one-row-in-joined-table-with-postgres
61 .distinct_on(community_moderator::community_id)
63 community_moderator::community_id,
64 community_moderator::person_id,
66 .load::<CommunityModeratorViewTuple>(conn)?;
68 Ok(Self::from_tuple_to_vec(res))
72 impl ViewToVec for CommunityModeratorView {
73 type DbTuple = CommunityModeratorViewTuple;
74 fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
81 .collect::<Vec<Self>>()