crates/db_views_actor/src/community_block_view.rs

   1 use crate::structs::CommunityBlockView;
   2 use diesel::{result::Error, ExpressionMethods, QueryDsl};
   3 use diesel_async::RunQueryDsl;
   4 use lemmy_db_schema::{
   5   newtypes::PersonId,
   6   schema::{community, community_block, person},
   7   source::{community::Community, person::Person},
   8   traits::JoinView,
   9   utils::{get_conn, DbPool},
  10 };
  11
  12 type CommunityBlockViewTuple = (Person, Community);
  13
  14 impl CommunityBlockView {
  15   pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
  16     let conn = &mut get_conn(pool).await?;
  17     let res = community_block::table
  18       .inner_join(person::table)
  19       .inner_join(community::table)
  20       .select((person::all_columns, community::all_columns))
  21       .filter(community_block::person_id.eq(person_id))
  22       .filter(community::deleted.eq(false))
  23       .filter(community::removed.eq(false))
  24       .order_by(community_block::published)
  25       .load::<CommunityBlockViewTuple>(conn)
  26       .await?;
  27
  28     Ok(res.into_iter().map(Self::from_tuple).collect())
  29   }
  30 }
  31
  32 impl JoinView for CommunityBlockView {
  33   type JoinTuple = CommunityBlockViewTuple;
  34   fn from_tuple(a: Self::JoinTuple) -> Self {
  35     Self {
  36       person: a.0,
  37       community: a.1,
  38     }
  39   }
  40 }