crates/db_queries/src/aggregates/comment_aggregates.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_schema::schema::comment_aggregates;
   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: i32,
  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: i32) -> 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     ListingType,
  32     SortType,
  33   };
  34   use lemmy_db_schema::source::{
  35     comment::{Comment, CommentForm, CommentLike, CommentLikeForm},
  36     community::{Community, CommunityForm},
  37     post::{Post, PostForm},
  38     person::{PersonForm, Person},
  39   };
  40
  41   #[test]
  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     };
  63
  64     let inserted_person = Person::create(&conn, &new_person).unwrap();
  65
  66     let another_person = PersonForm {
  67       name: "jerry_comment_agg".into(),
  68       preferred_username: None,
  69       avatar: None,
  70       banner: None,
  71       banned: None,
  72       deleted: None,
  73       published: None,
  74       updated: None,
  75       actor_id: None,
  76       bio: None,
  77       local: None,
  78       private_key: None,
  79       public_key: None,
  80       last_refreshed_at: None,
  81       inbox_url: None,
  82       shared_inbox_url: None,
  83     };
  84
  85     let another_inserted_person = Person::create(&conn, &another_person).unwrap();
  86
  87     let new_community = CommunityForm {
  88       name: "TIL_comment_agg".into(),
  89       creator_id: inserted_person.id,
  90       title: "nada".to_owned(),
  91       description: None,
  92       nsfw: false,
  93       removed: None,
  94       deleted: None,
  95       updated: None,
  96       actor_id: None,
  97       local: true,
  98       private_key: None,
  99       public_key: None,
 100       last_refreshed_at: None,
 101       published: None,
 102       icon: None,
 103       banner: None,
 104       followers_url: None,
 105       inbox_url: None,
 106       shared_inbox_url: None,
 107     };
 108
 109     let inserted_community = Community::create(&conn, &new_community).unwrap();
 110
 111     let new_post = PostForm {
 112       name: "A test post".into(),
 113       url: None,
 114       body: None,
 115       creator_id: inserted_person.id,
 116       community_id: inserted_community.id,
 117       removed: None,
 118       deleted: None,
 119       locked: None,
 120       stickied: None,
 121       nsfw: false,
 122       updated: None,
 123       embed_title: None,
 124       embed_description: None,
 125       embed_html: None,
 126       thumbnail_url: None,
 127       ap_id: None,
 128       local: true,
 129       published: None,
 130     };
 131
 132     let inserted_post = Post::create(&conn, &new_post).unwrap();
 133
 134     let comment_form = CommentForm {
 135       content: "A test comment".into(),
 136       creator_id: inserted_person.id,
 137       post_id: inserted_post.id,
 138       removed: None,
 139       deleted: None,
 140       read: None,
 141       parent_id: None,
 142       published: None,
 143       updated: None,
 144       ap_id: None,
 145       local: true,
 146     };
 147
 148     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 149
 150     let child_comment_form = CommentForm {
 151       content: "A test comment".into(),
 152       creator_id: inserted_person.id,
 153       post_id: inserted_post.id,
 154       removed: None,
 155       deleted: None,
 156       read: None,
 157       parent_id: Some(inserted_comment.id),
 158       published: None,
 159       updated: None,
 160       ap_id: None,
 161       local: true,
 162     };
 163
 164     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 165
 166     let comment_like = CommentLikeForm {
 167       comment_id: inserted_comment.id,
 168       post_id: inserted_post.id,
 169       person_id: inserted_person.id,
 170       score: 1,
 171     };
 172
 173     CommentLike::like(&conn, &comment_like).unwrap();
 174
 175     let comment_aggs_before_delete = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 176
 177     assert_eq!(1, comment_aggs_before_delete.score);
 178     assert_eq!(1, comment_aggs_before_delete.upvotes);
 179     assert_eq!(0, comment_aggs_before_delete.downvotes);
 180
 181     // Add a post dislike from the other person
 182     let comment_dislike = CommentLikeForm {
 183       comment_id: inserted_comment.id,
 184       post_id: inserted_post.id,
 185       person_id: another_inserted_person.id,
 186       score: -1,
 187     };
 188
 189     CommentLike::like(&conn, &comment_dislike).unwrap();
 190
 191     let comment_aggs_after_dislike = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 192
 193     assert_eq!(0, comment_aggs_after_dislike.score);
 194     assert_eq!(1, comment_aggs_after_dislike.upvotes);
 195     assert_eq!(1, comment_aggs_after_dislike.downvotes);
 196
 197     // Remove the first comment like
 198     CommentLike::remove(&conn, inserted_person.id, inserted_comment.id).unwrap();
 199     let after_like_remove = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 200     assert_eq!(-1, after_like_remove.score);
 201     assert_eq!(0, after_like_remove.upvotes);
 202     assert_eq!(1, after_like_remove.downvotes);
 203
 204     // Remove the parent post
 205     Post::delete(&conn, inserted_post.id).unwrap();
 206
 207     // Should be none found, since the post was deleted
 208     let after_delete = CommentAggregates::read(&conn, inserted_comment.id);
 209     assert!(after_delete.is_err());
 210
 211     // This should delete all the associated rows, and fire triggers
 212     Person::delete(&conn, another_inserted_person.id).unwrap();
 213     let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
 214     assert_eq!(1, person_num_deleted);
 215   }
 216 }