crates/db_views_actor/src/community_block_view.rs

   1 use crate::structs::CommunityBlockView;
   2 use diesel::{result::Error, *};
   3 use lemmy_db_schema::{
   4   newtypes::PersonId,
   5   schema::{community, community_block, person},
   6   source::{
   7     community::{Community, CommunitySafe},
   8     person::{Person, PersonSafe},
   9   },
  10   traits::{ToSafe, ViewToVec},
  11 };
  12
  13 type CommunityBlockViewTuple = (PersonSafe, CommunitySafe);
  14
  15 impl CommunityBlockView {
  16   pub fn for_person(conn: &mut PgConnection, person_id: PersonId) -> Result<Vec<Self>, Error> {
  17     let res = community_block::table
  18       .inner_join(person::table)
  19       .inner_join(community::table)
  20       .select((
  21         Person::safe_columns_tuple(),
  22         Community::safe_columns_tuple(),
  23       ))
  24       .filter(community_block::person_id.eq(person_id))
  25       .order_by(community_block::published)
  26       .load::<CommunityBlockViewTuple>(conn)?;
  27
  28     Ok(Self::from_tuple_to_vec(res))
  29   }
  30 }
  31
  32 impl ViewToVec for CommunityBlockView {
  33   type DbTuple = CommunityBlockViewTuple;
  34   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
  35     items
  36       .into_iter()
  37       .map(|a| Self {
  38         person: a.0,
  39         community: a.1,
  40       })
  41       .collect::<Vec<Self>>()
  42   }
  43 }