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     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       inbox_url: None,
  71       shared_inbox_url: None,
  72     };
  73
  74     let inserted_user = User_::create(&conn, &new_user).unwrap();
  75
  76     let another_user = UserForm {
  77       name: "jerry_comment_agg".into(),
  78       preferred_username: None,
  79       password_encrypted: "nope".into(),
  80       email: None,
  81       matrix_user_id: None,
  82       avatar: None,
  83       banner: None,
  84       admin: false,
  85       banned: Some(false),
  86       published: None,
  87       updated: None,
  88       show_nsfw: false,
  89       theme: "browser".into(),
  90       default_sort_type: SortType::Hot as i16,
  91       default_listing_type: ListingType::Subscribed as i16,
  92       lang: "browser".into(),
  93       show_avatars: true,
  94       send_notifications_to_email: false,
  95       actor_id: None,
  96       bio: None,
  97       local: true,
  98       private_key: None,
  99       public_key: None,
 100       last_refreshed_at: None,
 101       inbox_url: None,
 102       shared_inbox_url: None,
 103     };
 104
 105     let another_inserted_user = User_::create(&conn, &another_user).unwrap();
 106
 107     let new_community = CommunityForm {
 108       name: "TIL_comment_agg".into(),
 109       creator_id: inserted_user.id,
 110       title: "nada".to_owned(),
 111       description: None,
 112       nsfw: false,
 113       removed: None,
 114       deleted: None,
 115       updated: None,
 116       actor_id: None,
 117       local: true,
 118       private_key: None,
 119       public_key: None,
 120       last_refreshed_at: None,
 121       published: None,
 122       icon: None,
 123       banner: None,
 124       followers_url: None,
 125       inbox_url: None,
 126       shared_inbox_url: None,
 127     };
 128
 129     let inserted_community = Community::create(&conn, &new_community).unwrap();
 130
 131     let new_post = PostForm {
 132       name: "A test post".into(),
 133       url: None,
 134       body: None,
 135       creator_id: inserted_user.id,
 136       community_id: inserted_community.id,
 137       removed: None,
 138       deleted: None,
 139       locked: None,
 140       stickied: None,
 141       nsfw: false,
 142       updated: None,
 143       embed_title: None,
 144       embed_description: None,
 145       embed_html: None,
 146       thumbnail_url: None,
 147       ap_id: None,
 148       local: true,
 149       published: None,
 150     };
 151
 152     let inserted_post = Post::create(&conn, &new_post).unwrap();
 153
 154     let comment_form = CommentForm {
 155       content: "A test comment".into(),
 156       creator_id: inserted_user.id,
 157       post_id: inserted_post.id,
 158       removed: None,
 159       deleted: None,
 160       read: None,
 161       parent_id: None,
 162       published: None,
 163       updated: None,
 164       ap_id: None,
 165       local: true,
 166     };
 167
 168     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 169
 170     let child_comment_form = CommentForm {
 171       content: "A test comment".into(),
 172       creator_id: inserted_user.id,
 173       post_id: inserted_post.id,
 174       removed: None,
 175       deleted: None,
 176       read: None,
 177       parent_id: Some(inserted_comment.id),
 178       published: None,
 179       updated: None,
 180       ap_id: None,
 181       local: true,
 182     };
 183
 184     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 185
 186     let comment_like = CommentLikeForm {
 187       comment_id: inserted_comment.id,
 188       post_id: inserted_post.id,
 189       user_id: inserted_user.id,
 190       score: 1,
 191     };
 192
 193     CommentLike::like(&conn, &comment_like).unwrap();
 194
 195     let comment_aggs_before_delete = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 196
 197     assert_eq!(1, comment_aggs_before_delete.score);
 198     assert_eq!(1, comment_aggs_before_delete.upvotes);
 199     assert_eq!(0, comment_aggs_before_delete.downvotes);
 200
 201     // Add a post dislike from the other user
 202     let comment_dislike = CommentLikeForm {
 203       comment_id: inserted_comment.id,
 204       post_id: inserted_post.id,
 205       user_id: another_inserted_user.id,
 206       score: -1,
 207     };
 208
 209     CommentLike::like(&conn, &comment_dislike).unwrap();
 210
 211     let comment_aggs_after_dislike = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 212
 213     assert_eq!(0, comment_aggs_after_dislike.score);
 214     assert_eq!(1, comment_aggs_after_dislike.upvotes);
 215     assert_eq!(1, comment_aggs_after_dislike.downvotes);
 216
 217     // Remove the first comment like
 218     CommentLike::remove(&conn, inserted_user.id, inserted_comment.id).unwrap();
 219     let after_like_remove = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 220     assert_eq!(-1, after_like_remove.score);
 221     assert_eq!(0, after_like_remove.upvotes);
 222     assert_eq!(1, after_like_remove.downvotes);
 223
 224     // Remove the parent post
 225     Post::delete(&conn, inserted_post.id).unwrap();
 226
 227     // Should be none found, since the post was deleted
 228     let after_delete = CommentAggregates::read(&conn, inserted_comment.id);
 229     assert!(after_delete.is_err());
 230
 231     // This should delete all the associated rows, and fire triggers
 232     User_::delete(&conn, another_inserted_user.id).unwrap();
 233     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 234     assert_eq!(1, user_num_deleted);
 235   }
 236 }