crates/db_views_moderator/src/mod_remove_comment_view.rs

   1 use crate::structs::ModRemoveCommentView;
   2 use diesel::{result::Error, *};
   3 use lemmy_db_schema::{
   4   newtypes::{CommunityId, PersonId},
   5   schema::{comment, community, mod_remove_comment, person, person_alias_1, post},
   6   source::{
   7     comment::Comment,
   8     community::{Community, CommunitySafe},
   9     moderator::ModRemoveComment,
  10     person::{Person, PersonAlias1, PersonSafe, PersonSafeAlias1},
  11     post::Post,
  12   },
  13   traits::{ToSafe, ViewToVec},
  14   utils::limit_and_offset,
  15 };
  16
  17 type ModRemoveCommentViewTuple = (
  18   ModRemoveComment,
  19   PersonSafe,
  20   Comment,
  21   PersonSafeAlias1,
  22   Post,
  23   CommunitySafe,
  24 );
  25
  26 impl ModRemoveCommentView {
  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_comment::table
  35       .inner_join(person::table)
  36       .inner_join(comment::table)
  37       .inner_join(person_alias_1::table.on(comment::creator_id.eq(person_alias_1::id)))
  38       .inner_join(post::table.on(comment::post_id.eq(post::id)))
  39       .inner_join(community::table.on(post::community_id.eq(community::id)))
  40       .select((
  41         mod_remove_comment::all_columns,
  42         Person::safe_columns_tuple(),
  43         comment::all_columns,
  44         PersonAlias1::safe_columns_tuple(),
  45         post::all_columns,
  46         Community::safe_columns_tuple(),
  47       ))
  48       .into_boxed();
  49
  50     if let Some(community_id) = community_id {
  51       query = query.filter(post::community_id.eq(community_id));
  52     };
  53
  54     if let Some(mod_person_id) = mod_person_id {
  55       query = query.filter(mod_remove_comment::mod_person_id.eq(mod_person_id));
  56     };
  57
  58     let (limit, offset) = limit_and_offset(page, limit)?;
  59
  60     let res = query
  61       .limit(limit)
  62       .offset(offset)
  63       .order_by(mod_remove_comment::when_.desc())
  64       .load::<ModRemoveCommentViewTuple>(conn)?;
  65
  66     Ok(Self::from_tuple_to_vec(res))
  67   }
  68 }
  69
  70 impl ViewToVec for ModRemoveCommentView {
  71   type DbTuple = ModRemoveCommentViewTuple;
  72   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
  73     items
  74       .into_iter()
  75       .map(|a| Self {
  76         mod_remove_comment: a.0,
  77         moderator: a.1,
  78         comment: a.2,
  79         commenter: a.3,
  80         post: a.4,
  81         community: a.5,
  82       })
  83       .collect::<Vec<Self>>()
  84   }
  85 }