crates/db_views_moderator/src/mod_hide_community_view.rs

   1 use crate::structs::ModHideCommunityView;
   2 use diesel::{result::Error, *};
   3 use lemmy_db_schema::{
   4   newtypes::{CommunityId, PersonId},
   5   schema::{community, mod_hide_community, person},
   6   source::{
   7     community::{Community, CommunitySafe},
   8     moderator::ModHideCommunity,
   9     person::{Person, PersonSafe},
  10   },
  11   traits::{ToSafe, ViewToVec},
  12   utils::limit_and_offset,
  13 };
  14
  15 type ModHideCommunityViewTuple = (ModHideCommunity, PersonSafe, CommunitySafe);
  16
  17 impl ModHideCommunityView {
  18   // Pass in mod_id as admin_id because only admins can do this action
  19   pub fn list(
  20     conn: &PgConnection,
  21     community_id: Option<CommunityId>,
  22     admin_id: Option<PersonId>,
  23     page: Option<i64>,
  24     limit: Option<i64>,
  25   ) -> Result<Vec<Self>, Error> {
  26     let mut query = mod_hide_community::table
  27       .inner_join(person::table)
  28       .inner_join(community::table.on(mod_hide_community::community_id.eq(community::id)))
  29       .select((
  30         mod_hide_community::all_columns,
  31         Person::safe_columns_tuple(),
  32         Community::safe_columns_tuple(),
  33       ))
  34       .into_boxed();
  35
  36     if let Some(community_id) = community_id {
  37       query = query.filter(mod_hide_community::community_id.eq(community_id));
  38     };
  39
  40     if let Some(admin_id) = admin_id {
  41       query = query.filter(mod_hide_community::mod_person_id.eq(admin_id));
  42     };
  43
  44     let (limit, offset) = limit_and_offset(page, limit)?;
  45
  46     let res = query
  47       .limit(limit)
  48       .offset(offset)
  49       .order_by(mod_hide_community::when_.desc())
  50       .load::<ModHideCommunityViewTuple>(conn)?;
  51
  52     Ok(Self::from_tuple_to_vec(res))
  53   }
  54 }
  55
  56 impl ViewToVec for ModHideCommunityView {
  57   type DbTuple = ModHideCommunityViewTuple;
  58   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
  59     items
  60       .into_iter()
  61       .map(|a| Self {
  62         mod_hide_community: a.0,
  63         admin: a.1,
  64         community: a.2,
  65       })
  66       .collect::<Vec<Self>>()
  67   }
  68 }