crates/db_views_moderator/src/mod_remove_post_view.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_queries::{limit_and_offset, ToSafe, ViewToVec};
   3 use lemmy_db_schema::{
   4   schema::{community, mod_remove_post, person, post},
   5   source::{
   6     community::{Community, CommunitySafe},
   7     moderator::ModRemovePost,
   8     person::{Person, PersonSafe},
   9     post::Post,
  10   },
  11   CommunityId,
  12   PersonId,
  13 };
  14 use serde::Serialize;
  15
  16 #[derive(Debug, Serialize, Clone)]
  17 pub struct ModRemovePostView {
  18   pub mod_remove_post: ModRemovePost,
  19   pub moderator: PersonSafe,
  20   pub post: Post,
  21   pub community: CommunitySafe,
  22 }
  23
  24 type ModRemovePostViewTuple = (ModRemovePost, PersonSafe, Post, CommunitySafe);
  25
  26 impl ModRemovePostView {
  27   pub fn list(
  28     conn: &PgConnection,
  29     community_id: Option<CommunityId>,
  30     mod_person_id: Option<PersonId>,
  31     page: Option<i64>,
  32     limit: Option<i64>,
  33   ) -> Result<Vec<Self>, Error> {
  34     let mut query = mod_remove_post::table
  35       .inner_join(person::table)
  36       .inner_join(post::table)
  37       .inner_join(community::table.on(post::community_id.eq(community::id)))
  38       .select((
  39         mod_remove_post::all_columns,
  40         Person::safe_columns_tuple(),
  41         post::all_columns,
  42         Community::safe_columns_tuple(),
  43       ))
  44       .into_boxed();
  45
  46     if let Some(community_id) = community_id {
  47       query = query.filter(post::community_id.eq(community_id));
  48     };
  49
  50     if let Some(mod_person_id) = mod_person_id {
  51       query = query.filter(mod_remove_post::mod_person_id.eq(mod_person_id));
  52     };
  53
  54     let (limit, offset) = limit_and_offset(page, limit);
  55
  56     let res = query
  57       .limit(limit)
  58       .offset(offset)
  59       .order_by(mod_remove_post::when_.desc())
  60       .load::<ModRemovePostViewTuple>(conn)?;
  61
  62     Ok(Self::from_tuple_to_vec(res))
  63   }
  64 }
  65
  66 impl ViewToVec for ModRemovePostView {
  67   type DbTuple = ModRemovePostViewTuple;
  68   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
  69     items
  70       .iter()
  71       .map(|a| Self {
  72         mod_remove_post: a.0.to_owned(),
  73         moderator: a.1.to_owned(),
  74         post: a.2.to_owned(),
  75         community: a.3.to_owned(),
  76       })
  77       .collect::<Vec<Self>>()
  78   }
  79 }