crates/db_views_moderator/src/mod_remove_community_view.rs

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