crates/db_views_moderator/src/admin_purge_community_view.rs

   1 use crate::structs::AdminPurgeCommunityView;
   2 use diesel::{result::Error, *};
   3 use lemmy_db_schema::{
   4   newtypes::PersonId,
   5   schema::{admin_purge_community, person},
   6   source::{
   7     moderator::AdminPurgeCommunity,
   8     person::{Person, PersonSafe},
   9   },
  10   traits::{ToSafe, ViewToVec},
  11   utils::limit_and_offset,
  12 };
  13
  14 type AdminPurgeCommunityViewTuple = (AdminPurgeCommunity, PersonSafe);
  15
  16 impl AdminPurgeCommunityView {
  17   pub fn list(
  18     conn: &PgConnection,
  19     admin_person_id: Option<PersonId>,
  20     page: Option<i64>,
  21     limit: Option<i64>,
  22   ) -> Result<Vec<Self>, Error> {
  23     let mut query = admin_purge_community::table
  24       .inner_join(person::table.on(admin_purge_community::admin_person_id.eq(person::id)))
  25       .select((
  26         admin_purge_community::all_columns,
  27         Person::safe_columns_tuple(),
  28       ))
  29       .into_boxed();
  30
  31     if let Some(admin_person_id) = admin_person_id {
  32       query = query.filter(admin_purge_community::admin_person_id.eq(admin_person_id));
  33     };
  34
  35     let (limit, offset) = limit_and_offset(page, limit);
  36
  37     let res = query
  38       .limit(limit)
  39       .offset(offset)
  40       .order_by(admin_purge_community::when_.desc())
  41       .load::<AdminPurgeCommunityViewTuple>(conn)?;
  42
  43     Ok(Self::from_tuple_to_vec(res))
  44   }
  45 }
  46
  47 impl ViewToVec for AdminPurgeCommunityView {
  48   type DbTuple = AdminPurgeCommunityViewTuple;
  49   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
  50     items
  51       .iter()
  52       .map(|a| Self {
  53         admin_purge_community: a.0.to_owned(),
  54         admin: a.1.to_owned(),
  55       })
  56       .collect::<Vec<Self>>()
  57   }
  58 }