crates/db_queries/src/aggregates/comment_aggregates.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_schema::{schema::comment_aggregates, CommentId};
   3 use serde::Serialize;
   4
   5 #[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Clone)]
   6 #[table_name = "comment_aggregates"]
   7 pub struct CommentAggregates {
   8   pub id: i32,
   9   pub comment_id: CommentId,
  10   pub score: i64,
  11   pub upvotes: i64,
  12   pub downvotes: i64,
  13   pub published: chrono::NaiveDateTime,
  14 }
  15
  16 impl CommentAggregates {
  17   pub fn read(conn: &PgConnection, comment_id: CommentId) -> Result<Self, Error> {
  18     comment_aggregates::table
  19       .filter(comment_aggregates::comment_id.eq(comment_id))
  20       .first::<Self>(conn)
  21   }
  22 }
  23
  24 #[cfg(test)]
  25 mod tests {
  26   use crate::{
  27     aggregates::comment_aggregates::CommentAggregates,
  28     establish_unpooled_connection,
  29     Crud,
  30     Likeable,
  31   };
  32   use lemmy_db_schema::source::{
  33     comment::{Comment, CommentForm, CommentLike, CommentLikeForm},
  34     community::{Community, CommunityForm},
  35     person::{Person, PersonForm},
  36     post::{Post, PostForm},
  37   };
  38   use serial_test::serial;
  39
  40   #[test]
  41   #[serial]
  42   fn test_crud() {
  43     let conn = establish_unpooled_connection();
  44
  45     let new_person = PersonForm {
  46       name: "thommy_comment_agg".into(),
  47       preferred_username: None,
  48       avatar: None,
  49       banner: None,
  50       banned: None,
  51       deleted: None,
  52       published: None,
  53       updated: None,
  54       actor_id: None,
  55       bio: None,
  56       local: None,
  57       private_key: None,
  58       public_key: None,
  59       last_refreshed_at: None,
  60       inbox_url: None,
  61       shared_inbox_url: None,
  62       matrix_user_id: None,
  63     };
  64
  65     let inserted_person = Person::create(&conn, &new_person).unwrap();
  66
  67     let another_person = PersonForm {
  68       name: "jerry_comment_agg".into(),
  69       preferred_username: None,
  70       avatar: None,
  71       banner: None,
  72       banned: None,
  73       deleted: None,
  74       published: None,
  75       updated: None,
  76       actor_id: None,
  77       bio: None,
  78       local: None,
  79       private_key: None,
  80       public_key: None,
  81       last_refreshed_at: None,
  82       inbox_url: None,
  83       shared_inbox_url: None,
  84       matrix_user_id: None,
  85     };
  86
  87     let another_inserted_person = Person::create(&conn, &another_person).unwrap();
  88
  89     let new_community = CommunityForm {
  90       name: "TIL_comment_agg".into(),
  91       creator_id: inserted_person.id,
  92       title: "nada".to_owned(),
  93       description: None,
  94       nsfw: false,
  95       removed: None,
  96       deleted: None,
  97       updated: None,
  98       actor_id: None,
  99       local: true,
 100       private_key: None,
 101       public_key: None,
 102       last_refreshed_at: None,
 103       published: None,
 104       icon: None,
 105       banner: None,
 106       followers_url: None,
 107       inbox_url: None,
 108       shared_inbox_url: None,
 109     };
 110
 111     let inserted_community = Community::create(&conn, &new_community).unwrap();
 112
 113     let new_post = PostForm {
 114       name: "A test post".into(),
 115       url: None,
 116       body: None,
 117       creator_id: inserted_person.id,
 118       community_id: inserted_community.id,
 119       removed: None,
 120       deleted: None,
 121       locked: None,
 122       stickied: None,
 123       nsfw: false,
 124       updated: None,
 125       embed_title: None,
 126       embed_description: None,
 127       embed_html: None,
 128       thumbnail_url: None,
 129       ap_id: None,
 130       local: true,
 131       published: None,
 132     };
 133
 134     let inserted_post = Post::create(&conn, &new_post).unwrap();
 135
 136     let comment_form = CommentForm {
 137       content: "A test comment".into(),
 138       creator_id: inserted_person.id,
 139       post_id: inserted_post.id,
 140       removed: None,
 141       deleted: None,
 142       read: None,
 143       parent_id: None,
 144       published: None,
 145       updated: None,
 146       ap_id: None,
 147       local: true,
 148     };
 149
 150     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 151
 152     let child_comment_form = CommentForm {
 153       content: "A test comment".into(),
 154       creator_id: inserted_person.id,
 155       post_id: inserted_post.id,
 156       removed: None,
 157       deleted: None,
 158       read: None,
 159       parent_id: Some(inserted_comment.id),
 160       published: None,
 161       updated: None,
 162       ap_id: None,
 163       local: true,
 164     };
 165
 166     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 167
 168     let comment_like = CommentLikeForm {
 169       comment_id: inserted_comment.id,
 170       post_id: inserted_post.id,
 171       person_id: inserted_person.id,
 172       score: 1,
 173     };
 174
 175     CommentLike::like(&conn, &comment_like).unwrap();
 176
 177     let comment_aggs_before_delete = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 178
 179     assert_eq!(1, comment_aggs_before_delete.score);
 180     assert_eq!(1, comment_aggs_before_delete.upvotes);
 181     assert_eq!(0, comment_aggs_before_delete.downvotes);
 182
 183     // Add a post dislike from the other person
 184     let comment_dislike = CommentLikeForm {
 185       comment_id: inserted_comment.id,
 186       post_id: inserted_post.id,
 187       person_id: another_inserted_person.id,
 188       score: -1,
 189     };
 190
 191     CommentLike::like(&conn, &comment_dislike).unwrap();
 192
 193     let comment_aggs_after_dislike = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 194
 195     assert_eq!(0, comment_aggs_after_dislike.score);
 196     assert_eq!(1, comment_aggs_after_dislike.upvotes);
 197     assert_eq!(1, comment_aggs_after_dislike.downvotes);
 198
 199     // Remove the first comment like
 200     CommentLike::remove(&conn, inserted_person.id, inserted_comment.id).unwrap();
 201     let after_like_remove = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 202     assert_eq!(-1, after_like_remove.score);
 203     assert_eq!(0, after_like_remove.upvotes);
 204     assert_eq!(1, after_like_remove.downvotes);
 205
 206     // Remove the parent post
 207     Post::delete(&conn, inserted_post.id).unwrap();
 208
 209     // Should be none found, since the post was deleted
 210     let after_delete = CommentAggregates::read(&conn, inserted_comment.id);
 211     assert!(after_delete.is_err());
 212
 213     // This should delete all the associated rows, and fire triggers
 214     Person::delete(&conn, another_inserted_person.id).unwrap();
 215     let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
 216     assert_eq!(1, person_num_deleted);
 217   }
 218 }