1 use diesel::{result::Error, *};
3 newtypes::{CommunityId, PersonId},
4 schema::{community, community_follower, person},
6 community::{Community, CommunitySafe},
7 person::{Person, PersonSafe},
9 traits::{ToSafe, ViewToVec},
11 use serde::{Deserialize, Serialize};
13 #[derive(Debug, Serialize, Deserialize, Clone)]
14 pub struct CommunityFollowerView {
15 pub community: CommunitySafe,
16 pub follower: PersonSafe,
19 type CommunityFollowerViewTuple = (CommunitySafe, PersonSafe);
21 impl CommunityFollowerView {
22 pub fn for_community(conn: &PgConnection, community_id: CommunityId) -> Result<Vec<Self>, Error> {
23 let res = community_follower::table
24 .inner_join(community::table)
25 .inner_join(person::table)
27 Community::safe_columns_tuple(),
28 Person::safe_columns_tuple(),
30 .filter(community_follower::community_id.eq(community_id))
31 .load::<CommunityFollowerViewTuple>(conn)?;
33 Ok(Self::from_tuple_to_vec(res))
36 pub fn for_person(conn: &PgConnection, person_id: PersonId) -> Result<Vec<Self>, Error> {
37 let res = community_follower::table
38 .inner_join(community::table)
39 .inner_join(person::table)
41 Community::safe_columns_tuple(),
42 Person::safe_columns_tuple(),
44 .filter(community_follower::person_id.eq(person_id))
45 .load::<CommunityFollowerViewTuple>(conn)?;
47 Ok(Self::from_tuple_to_vec(res))
51 impl ViewToVec for CommunityFollowerView {
52 type DbTuple = CommunityFollowerViewTuple;
53 fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
57 community: a.0.to_owned(),
58 follower: a.1.to_owned(),
60 .collect::<Vec<Self>>()