crates/db_queries/src/aggregates/post_aggregates.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_schema::schema::post_aggregates;
   3 use serde::Serialize;
   4
   5 #[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Clone)]
   6 #[table_name = "post_aggregates"]
   7 pub struct PostAggregates {
   8   pub id: i32,
   9   pub post_id: i32,
  10   pub comments: i64,
  11   pub score: i64,
  12   pub upvotes: i64,
  13   pub downvotes: i64,
  14   pub stickied: bool,
  15   pub published: chrono::NaiveDateTime,
  16   pub newest_comment_time: chrono::NaiveDateTime,
  17 }
  18
  19 impl PostAggregates {
  20   pub fn read(conn: &PgConnection, post_id: i32) -> Result<Self, Error> {
  21     post_aggregates::table
  22       .filter(post_aggregates::post_id.eq(post_id))
  23       .first::<Self>(conn)
  24   }
  25 }
  26
  27 #[cfg(test)]
  28 mod tests {
  29   use crate::{
  30     aggregates::post_aggregates::PostAggregates,
  31     establish_unpooled_connection,
  32     Crud,
  33     Likeable,
  34     ListingType,
  35     SortType,
  36   };
  37   use lemmy_db_schema::source::{
  38     comment::{Comment, CommentForm},
  39     community::{Community, CommunityForm},
  40     post::{Post, PostForm, PostLike, PostLikeForm},
  41     user::{UserForm, User_},
  42   };
  43
  44   #[test]
  45   fn test_crud() {
  46     let conn = establish_unpooled_connection();
  47
  48     let new_user = UserForm {
  49       name: "thommy_community_agg".into(),
  50       preferred_username: None,
  51       password_encrypted: "nope".into(),
  52       email: None,
  53       matrix_user_id: None,
  54       avatar: None,
  55       banner: None,
  56       admin: false,
  57       banned: Some(false),
  58       published: None,
  59       updated: None,
  60       show_nsfw: false,
  61       theme: "browser".into(),
  62       default_sort_type: SortType::Hot as i16,
  63       default_listing_type: ListingType::Subscribed as i16,
  64       lang: "browser".into(),
  65       show_avatars: true,
  66       send_notifications_to_email: false,
  67       actor_id: None,
  68       bio: None,
  69       local: true,
  70       private_key: None,
  71       public_key: None,
  72       last_refreshed_at: None,
  73     };
  74
  75     let inserted_user = User_::create(&conn, &new_user).unwrap();
  76
  77     let another_user = UserForm {
  78       name: "jerry_community_agg".into(),
  79       preferred_username: None,
  80       password_encrypted: "nope".into(),
  81       email: None,
  82       matrix_user_id: None,
  83       avatar: None,
  84       banner: None,
  85       admin: false,
  86       banned: Some(false),
  87       published: None,
  88       updated: None,
  89       show_nsfw: false,
  90       theme: "browser".into(),
  91       default_sort_type: SortType::Hot as i16,
  92       default_listing_type: ListingType::Subscribed as i16,
  93       lang: "browser".into(),
  94       show_avatars: true,
  95       send_notifications_to_email: false,
  96       actor_id: None,
  97       bio: None,
  98       local: true,
  99       private_key: None,
 100       public_key: None,
 101       last_refreshed_at: None,
 102     };
 103
 104     let another_inserted_user = User_::create(&conn, &another_user).unwrap();
 105
 106     let new_community = CommunityForm {
 107       name: "TIL_community_agg".into(),
 108       creator_id: inserted_user.id,
 109       title: "nada".to_owned(),
 110       description: None,
 111       category_id: 1,
 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     };
 125
 126     let inserted_community = Community::create(&conn, &new_community).unwrap();
 127
 128     let new_post = PostForm {
 129       name: "A test post".into(),
 130       url: None,
 131       body: None,
 132       creator_id: inserted_user.id,
 133       community_id: inserted_community.id,
 134       removed: None,
 135       deleted: None,
 136       locked: None,
 137       stickied: None,
 138       nsfw: false,
 139       updated: None,
 140       embed_title: None,
 141       embed_description: None,
 142       embed_html: None,
 143       thumbnail_url: None,
 144       ap_id: None,
 145       local: true,
 146       published: None,
 147     };
 148
 149     let inserted_post = Post::create(&conn, &new_post).unwrap();
 150
 151     let comment_form = CommentForm {
 152       content: "A test comment".into(),
 153       creator_id: inserted_user.id,
 154       post_id: inserted_post.id,
 155       removed: None,
 156       deleted: None,
 157       read: None,
 158       parent_id: None,
 159       published: None,
 160       updated: None,
 161       ap_id: None,
 162       local: true,
 163     };
 164
 165     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 166
 167     let child_comment_form = CommentForm {
 168       content: "A test comment".into(),
 169       creator_id: inserted_user.id,
 170       post_id: inserted_post.id,
 171       removed: None,
 172       deleted: None,
 173       read: None,
 174       parent_id: Some(inserted_comment.id),
 175       published: None,
 176       updated: None,
 177       ap_id: None,
 178       local: true,
 179     };
 180
 181     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 182
 183     let post_like = PostLikeForm {
 184       post_id: inserted_post.id,
 185       user_id: inserted_user.id,
 186       score: 1,
 187     };
 188
 189     PostLike::like(&conn, &post_like).unwrap();
 190
 191     let post_aggs_before_delete = PostAggregates::read(&conn, inserted_post.id).unwrap();
 192
 193     assert_eq!(2, post_aggs_before_delete.comments);
 194     assert_eq!(1, post_aggs_before_delete.score);
 195     assert_eq!(1, post_aggs_before_delete.upvotes);
 196     assert_eq!(0, post_aggs_before_delete.downvotes);
 197
 198     // Add a post dislike from the other user
 199     let post_dislike = PostLikeForm {
 200       post_id: inserted_post.id,
 201       user_id: another_inserted_user.id,
 202       score: -1,
 203     };
 204
 205     PostLike::like(&conn, &post_dislike).unwrap();
 206
 207     let post_aggs_after_dislike = PostAggregates::read(&conn, inserted_post.id).unwrap();
 208
 209     assert_eq!(2, post_aggs_after_dislike.comments);
 210     assert_eq!(0, post_aggs_after_dislike.score);
 211     assert_eq!(1, post_aggs_after_dislike.upvotes);
 212     assert_eq!(1, post_aggs_after_dislike.downvotes);
 213
 214     // Remove the parent comment
 215     Comment::delete(&conn, inserted_comment.id).unwrap();
 216     let after_comment_delete = PostAggregates::read(&conn, inserted_post.id).unwrap();
 217     assert_eq!(0, after_comment_delete.comments);
 218     assert_eq!(0, after_comment_delete.score);
 219     assert_eq!(1, after_comment_delete.upvotes);
 220     assert_eq!(1, after_comment_delete.downvotes);
 221
 222     // Remove the first post like
 223     PostLike::remove(&conn, inserted_user.id, inserted_post.id).unwrap();
 224     let after_like_remove = PostAggregates::read(&conn, inserted_post.id).unwrap();
 225     assert_eq!(0, after_like_remove.comments);
 226     assert_eq!(-1, after_like_remove.score);
 227     assert_eq!(0, after_like_remove.upvotes);
 228     assert_eq!(1, after_like_remove.downvotes);
 229
 230     // This should delete all the associated rows, and fire triggers
 231     User_::delete(&conn, another_inserted_user.id).unwrap();
 232     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 233     assert_eq!(1, user_num_deleted);
 234
 235     // Should be none found, since the creator was deleted
 236     let after_delete = PostAggregates::read(&conn, inserted_post.id);
 237     assert!(after_delete.is_err());
 238   }
 239 }