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 };
  12 use serde::Serialize;
  13
  14 #[derive(Debug, Serialize, Clone)]
  15 pub struct ModRemovePostView {
  16   pub mod_remove_post: ModRemovePost,
  17   pub moderator: PersonSafe,
  18   pub post: Post,
  19   pub community: CommunitySafe,
  20 }
  21
  22 type ModRemovePostViewTuple = (ModRemovePost, PersonSafe, Post, CommunitySafe);
  23
  24 impl ModRemovePostView {
  25   pub fn list(
  26     conn: &PgConnection,
  27     community_id: Option<i32>,
  28     mod_person_id: Option<i32>,
  29     page: Option<i64>,
  30     limit: Option<i64>,
  31   ) -> Result<Vec<Self>, Error> {
  32     let mut query = mod_remove_post::table
  33       .inner_join(person::table)
  34       .inner_join(post::table)
  35       .inner_join(community::table.on(post::community_id.eq(community::id)))
  36       .select((
  37         mod_remove_post::all_columns,
  38         Person::safe_columns_tuple(),
  39         post::all_columns,
  40         Community::safe_columns_tuple(),
  41       ))
  42       .into_boxed();
  43
  44     if let Some(community_id) = community_id {
  45       query = query.filter(post::community_id.eq(community_id));
  46     };
  47
  48     if let Some(mod_person_id) = mod_person_id {
  49       query = query.filter(mod_remove_post::mod_person_id.eq(mod_person_id));
  50     };
  51
  52     let (limit, offset) = limit_and_offset(page, limit);
  53
  54     let res = query
  55       .limit(limit)
  56       .offset(offset)
  57       .order_by(mod_remove_post::when_.desc())
  58       .load::<ModRemovePostViewTuple>(conn)?;
  59
  60     Ok(Self::from_tuple_to_vec(res))
  61   }
  62 }
  63
  64 impl ViewToVec for ModRemovePostView {
  65   type DbTuple = ModRemovePostViewTuple;
  66   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
  67     items
  68       .iter()
  69       .map(|a| Self {
  70         mod_remove_post: a.0.to_owned(),
  71         moderator: a.1.to_owned(),
  72         post: a.2.to_owned(),
  73         community: a.3.to_owned(),
  74       })
  75       .collect::<Vec<Self>>()
  76   }
  77 }