lemmy_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     user::{UserForm, User_},
  39   };
  40
  41   #[test]
  42   fn test_crud() {
  43     let conn = establish_unpooled_connection();
  44
  45     let new_user = UserForm {
  46       name: "thommy_comment_agg".into(),
  47       preferred_username: None,
  48       password_encrypted: "nope".into(),
  49       email: None,
  50       matrix_user_id: None,
  51       avatar: None,
  52       banner: None,
  53       admin: false,
  54       banned: Some(false),
  55       published: None,
  56       updated: None,
  57       show_nsfw: false,
  58       theme: "browser".into(),
  59       default_sort_type: SortType::Hot as i16,
  60       default_listing_type: ListingType::Subscribed as i16,
  61       lang: "browser".into(),
  62       show_avatars: true,
  63       send_notifications_to_email: false,
  64       actor_id: None,
  65       bio: None,
  66       local: true,
  67       private_key: None,
  68       public_key: None,
  69       last_refreshed_at: None,
  70     };
  71
  72     let inserted_user = User_::create(&conn, &new_user).unwrap();
  73
  74     let another_user = UserForm {
  75       name: "jerry_comment_agg".into(),
  76       preferred_username: None,
  77       password_encrypted: "nope".into(),
  78       email: None,
  79       matrix_user_id: None,
  80       avatar: None,
  81       banner: None,
  82       admin: false,
  83       banned: Some(false),
  84       published: None,
  85       updated: None,
  86       show_nsfw: false,
  87       theme: "browser".into(),
  88       default_sort_type: SortType::Hot as i16,
  89       default_listing_type: ListingType::Subscribed as i16,
  90       lang: "browser".into(),
  91       show_avatars: true,
  92       send_notifications_to_email: false,
  93       actor_id: None,
  94       bio: None,
  95       local: true,
  96       private_key: None,
  97       public_key: None,
  98       last_refreshed_at: None,
  99     };
 100
 101     let another_inserted_user = User_::create(&conn, &another_user).unwrap();
 102
 103     let new_community = CommunityForm {
 104       name: "TIL_comment_agg".into(),
 105       creator_id: inserted_user.id,
 106       title: "nada".to_owned(),
 107       description: None,
 108       category_id: 1,
 109       nsfw: false,
 110       removed: None,
 111       deleted: None,
 112       updated: None,
 113       actor_id: None,
 114       local: true,
 115       private_key: None,
 116       public_key: None,
 117       last_refreshed_at: None,
 118       published: None,
 119       icon: None,
 120       banner: None,
 121     };
 122
 123     let inserted_community = Community::create(&conn, &new_community).unwrap();
 124
 125     let new_post = PostForm {
 126       name: "A test post".into(),
 127       url: None,
 128       body: None,
 129       creator_id: inserted_user.id,
 130       community_id: inserted_community.id,
 131       removed: None,
 132       deleted: None,
 133       locked: None,
 134       stickied: None,
 135       nsfw: false,
 136       updated: None,
 137       embed_title: None,
 138       embed_description: None,
 139       embed_html: None,
 140       thumbnail_url: None,
 141       ap_id: None,
 142       local: true,
 143       published: None,
 144     };
 145
 146     let inserted_post = Post::create(&conn, &new_post).unwrap();
 147
 148     let comment_form = CommentForm {
 149       content: "A test comment".into(),
 150       creator_id: inserted_user.id,
 151       post_id: inserted_post.id,
 152       removed: None,
 153       deleted: None,
 154       read: None,
 155       parent_id: None,
 156       published: None,
 157       updated: None,
 158       ap_id: None,
 159       local: true,
 160     };
 161
 162     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 163
 164     let child_comment_form = CommentForm {
 165       content: "A test comment".into(),
 166       creator_id: inserted_user.id,
 167       post_id: inserted_post.id,
 168       removed: None,
 169       deleted: None,
 170       read: None,
 171       parent_id: Some(inserted_comment.id),
 172       published: None,
 173       updated: None,
 174       ap_id: None,
 175       local: true,
 176     };
 177
 178     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 179
 180     let comment_like = CommentLikeForm {
 181       comment_id: inserted_comment.id,
 182       post_id: inserted_post.id,
 183       user_id: inserted_user.id,
 184       score: 1,
 185     };
 186
 187     CommentLike::like(&conn, &comment_like).unwrap();
 188
 189     let comment_aggs_before_delete = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 190
 191     assert_eq!(1, comment_aggs_before_delete.score);
 192     assert_eq!(1, comment_aggs_before_delete.upvotes);
 193     assert_eq!(0, comment_aggs_before_delete.downvotes);
 194
 195     // Add a post dislike from the other user
 196     let comment_dislike = CommentLikeForm {
 197       comment_id: inserted_comment.id,
 198       post_id: inserted_post.id,
 199       user_id: another_inserted_user.id,
 200       score: -1,
 201     };
 202
 203     CommentLike::like(&conn, &comment_dislike).unwrap();
 204
 205     let comment_aggs_after_dislike = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 206
 207     assert_eq!(0, comment_aggs_after_dislike.score);
 208     assert_eq!(1, comment_aggs_after_dislike.upvotes);
 209     assert_eq!(1, comment_aggs_after_dislike.downvotes);
 210
 211     // Remove the first comment like
 212     CommentLike::remove(&conn, inserted_user.id, inserted_comment.id).unwrap();
 213     let after_like_remove = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 214     assert_eq!(-1, after_like_remove.score);
 215     assert_eq!(0, after_like_remove.upvotes);
 216     assert_eq!(1, after_like_remove.downvotes);
 217
 218     // Remove the parent post
 219     Post::delete(&conn, inserted_post.id).unwrap();
 220
 221     // Should be none found, since the post was deleted
 222     let after_delete = CommentAggregates::read(&conn, inserted_comment.id);
 223     assert!(after_delete.is_err());
 224
 225     // This should delete all the associated rows, and fire triggers
 226     User_::delete(&conn, another_inserted_user.id).unwrap();
 227     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 228     assert_eq!(1, user_num_deleted);
 229   }
 230 }