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   use serial_test::serial;
  41
  42   #[test]
  43   #[serial]
  44   fn test_crud() {
  45     let conn = establish_unpooled_connection();
  46
  47     let new_user = UserForm {
  48       name: "thommy_comment_agg".into(),
  49       preferred_username: None,
  50       password_encrypted: "nope".into(),
  51       email: None,
  52       matrix_user_id: None,
  53       avatar: None,
  54       banner: None,
  55       admin: false,
  56       banned: Some(false),
  57       published: None,
  58       updated: None,
  59       show_nsfw: false,
  60       theme: "browser".into(),
  61       default_sort_type: SortType::Hot as i16,
  62       default_listing_type: ListingType::Subscribed as i16,
  63       lang: "browser".into(),
  64       show_avatars: true,
  65       send_notifications_to_email: false,
  66       actor_id: None,
  67       bio: None,
  68       local: true,
  69       private_key: None,
  70       public_key: None,
  71       last_refreshed_at: None,
  72       inbox_url: None,
  73       shared_inbox_url: None,
  74     };
  75
  76     let inserted_user = User_::create(&conn, &new_user).unwrap();
  77
  78     let another_user = UserForm {
  79       name: "jerry_comment_agg".into(),
  80       preferred_username: None,
  81       password_encrypted: "nope".into(),
  82       email: None,
  83       matrix_user_id: None,
  84       avatar: None,
  85       banner: None,
  86       admin: false,
  87       banned: Some(false),
  88       published: None,
  89       updated: None,
  90       show_nsfw: false,
  91       theme: "browser".into(),
  92       default_sort_type: SortType::Hot as i16,
  93       default_listing_type: ListingType::Subscribed as i16,
  94       lang: "browser".into(),
  95       show_avatars: true,
  96       send_notifications_to_email: false,
  97       actor_id: None,
  98       bio: None,
  99       local: true,
 100       private_key: None,
 101       public_key: None,
 102       last_refreshed_at: None,
 103       inbox_url: None,
 104       shared_inbox_url: None,
 105     };
 106
 107     let another_inserted_user = User_::create(&conn, &another_user).unwrap();
 108
 109     let new_community = CommunityForm {
 110       name: "TIL_comment_agg".into(),
 111       creator_id: inserted_user.id,
 112       title: "nada".to_owned(),
 113       description: None,
 114       nsfw: false,
 115       removed: None,
 116       deleted: None,
 117       updated: None,
 118       actor_id: None,
 119       local: true,
 120       private_key: None,
 121       public_key: None,
 122       last_refreshed_at: None,
 123       published: None,
 124       icon: None,
 125       banner: None,
 126       followers_url: None,
 127       inbox_url: None,
 128       shared_inbox_url: None,
 129     };
 130
 131     let inserted_community = Community::create(&conn, &new_community).unwrap();
 132
 133     let new_post = PostForm {
 134       name: "A test post".into(),
 135       url: None,
 136       body: None,
 137       creator_id: inserted_user.id,
 138       community_id: inserted_community.id,
 139       removed: None,
 140       deleted: None,
 141       locked: None,
 142       stickied: None,
 143       nsfw: false,
 144       updated: None,
 145       embed_title: None,
 146       embed_description: None,
 147       embed_html: None,
 148       thumbnail_url: None,
 149       ap_id: None,
 150       local: true,
 151       published: None,
 152     };
 153
 154     let inserted_post = Post::create(&conn, &new_post).unwrap();
 155
 156     let comment_form = CommentForm {
 157       content: "A test comment".into(),
 158       creator_id: inserted_user.id,
 159       post_id: inserted_post.id,
 160       removed: None,
 161       deleted: None,
 162       read: None,
 163       parent_id: None,
 164       published: None,
 165       updated: None,
 166       ap_id: None,
 167       local: true,
 168     };
 169
 170     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 171
 172     let child_comment_form = CommentForm {
 173       content: "A test comment".into(),
 174       creator_id: inserted_user.id,
 175       post_id: inserted_post.id,
 176       removed: None,
 177       deleted: None,
 178       read: None,
 179       parent_id: Some(inserted_comment.id),
 180       published: None,
 181       updated: None,
 182       ap_id: None,
 183       local: true,
 184     };
 185
 186     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 187
 188     let comment_like = CommentLikeForm {
 189       comment_id: inserted_comment.id,
 190       post_id: inserted_post.id,
 191       user_id: inserted_user.id,
 192       score: 1,
 193     };
 194
 195     CommentLike::like(&conn, &comment_like).unwrap();
 196
 197     let comment_aggs_before_delete = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 198
 199     assert_eq!(1, comment_aggs_before_delete.score);
 200     assert_eq!(1, comment_aggs_before_delete.upvotes);
 201     assert_eq!(0, comment_aggs_before_delete.downvotes);
 202
 203     // Add a post dislike from the other user
 204     let comment_dislike = CommentLikeForm {
 205       comment_id: inserted_comment.id,
 206       post_id: inserted_post.id,
 207       user_id: another_inserted_user.id,
 208       score: -1,
 209     };
 210
 211     CommentLike::like(&conn, &comment_dislike).unwrap();
 212
 213     let comment_aggs_after_dislike = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 214
 215     assert_eq!(0, comment_aggs_after_dislike.score);
 216     assert_eq!(1, comment_aggs_after_dislike.upvotes);
 217     assert_eq!(1, comment_aggs_after_dislike.downvotes);
 218
 219     // Remove the first comment like
 220     CommentLike::remove(&conn, inserted_user.id, inserted_comment.id).unwrap();
 221     let after_like_remove = CommentAggregates::read(&conn, inserted_comment.id).unwrap();
 222     assert_eq!(-1, after_like_remove.score);
 223     assert_eq!(0, after_like_remove.upvotes);
 224     assert_eq!(1, after_like_remove.downvotes);
 225
 226     // Remove the parent post
 227     Post::delete(&conn, inserted_post.id).unwrap();
 228
 229     // Should be none found, since the post was deleted
 230     let after_delete = CommentAggregates::read(&conn, inserted_comment.id);
 231     assert!(after_delete.is_err());
 232
 233     // This should delete all the associated rows, and fire triggers
 234     User_::delete(&conn, another_inserted_user.id).unwrap();
 235     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 236     assert_eq!(1, user_num_deleted);
 237   }
 238 }