crates/db_views_moderator/src/admin_purge_comment_view.rs

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