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_necro: chrono::NaiveDateTime, // A newest comment time, limited to 2 days, to prevent necrobumping
  17   pub newest_comment_time: chrono::NaiveDateTime,
  18 }
  19
  20 impl PostAggregates {
  21   pub fn read(conn: &PgConnection, post_id: i32) -> Result<Self, Error> {
  22     post_aggregates::table
  23       .filter(post_aggregates::post_id.eq(post_id))
  24       .first::<Self>(conn)
  25   }
  26 }
  27
  28 #[cfg(test)]
  29 mod tests {
  30   use crate::{
  31     aggregates::post_aggregates::PostAggregates,
  32     establish_unpooled_connection,
  33     Crud,
  34     Likeable,
  35     ListingType,
  36     SortType,
  37   };
  38   use lemmy_db_schema::source::{
  39     comment::{Comment, CommentForm},
  40     community::{Community, CommunityForm},
  41     post::{Post, PostForm, PostLike, PostLikeForm},
  42     user::{UserForm, User_},
  43   };
  44   use serial_test::serial;
  45
  46   #[test]
  47   #[serial]
  48   fn test_crud() {
  49     let conn = establish_unpooled_connection();
  50
  51     let new_user = UserForm {
  52       name: "thommy_community_agg".into(),
  53       preferred_username: None,
  54       password_encrypted: "nope".into(),
  55       email: None,
  56       matrix_user_id: None,
  57       avatar: None,
  58       banner: None,
  59       admin: false,
  60       banned: Some(false),
  61       published: None,
  62       updated: None,
  63       show_nsfw: false,
  64       theme: "browser".into(),
  65       default_sort_type: SortType::Hot as i16,
  66       default_listing_type: ListingType::Subscribed as i16,
  67       lang: "browser".into(),
  68       show_avatars: true,
  69       send_notifications_to_email: false,
  70       actor_id: None,
  71       bio: None,
  72       local: true,
  73       private_key: None,
  74       public_key: None,
  75       last_refreshed_at: None,
  76       inbox_url: None,
  77       shared_inbox_url: None,
  78     };
  79
  80     let inserted_user = User_::create(&conn, &new_user).unwrap();
  81
  82     let another_user = UserForm {
  83       name: "jerry_community_agg".into(),
  84       preferred_username: None,
  85       password_encrypted: "nope".into(),
  86       email: None,
  87       matrix_user_id: None,
  88       avatar: None,
  89       banner: None,
  90       admin: false,
  91       banned: Some(false),
  92       published: None,
  93       updated: None,
  94       show_nsfw: false,
  95       theme: "browser".into(),
  96       default_sort_type: SortType::Hot as i16,
  97       default_listing_type: ListingType::Subscribed as i16,
  98       lang: "browser".into(),
  99       show_avatars: true,
 100       send_notifications_to_email: false,
 101       actor_id: None,
 102       bio: None,
 103       local: true,
 104       private_key: None,
 105       public_key: None,
 106       last_refreshed_at: None,
 107       inbox_url: None,
 108       shared_inbox_url: None,
 109     };
 110
 111     let another_inserted_user = User_::create(&conn, &another_user).unwrap();
 112
 113     let new_community = CommunityForm {
 114       name: "TIL_community_agg".into(),
 115       creator_id: inserted_user.id,
 116       title: "nada".to_owned(),
 117       description: None,
 118       nsfw: false,
 119       removed: None,
 120       deleted: None,
 121       updated: None,
 122       actor_id: None,
 123       local: true,
 124       private_key: None,
 125       public_key: None,
 126       last_refreshed_at: None,
 127       published: None,
 128       icon: None,
 129       banner: None,
 130       followers_url: None,
 131       inbox_url: None,
 132       shared_inbox_url: None,
 133     };
 134
 135     let inserted_community = Community::create(&conn, &new_community).unwrap();
 136
 137     let new_post = PostForm {
 138       name: "A test post".into(),
 139       url: None,
 140       body: None,
 141       creator_id: inserted_user.id,
 142       community_id: inserted_community.id,
 143       removed: None,
 144       deleted: None,
 145       locked: None,
 146       stickied: None,
 147       nsfw: false,
 148       updated: None,
 149       embed_title: None,
 150       embed_description: None,
 151       embed_html: None,
 152       thumbnail_url: None,
 153       ap_id: None,
 154       local: true,
 155       published: None,
 156     };
 157
 158     let inserted_post = Post::create(&conn, &new_post).unwrap();
 159
 160     let comment_form = CommentForm {
 161       content: "A test comment".into(),
 162       creator_id: inserted_user.id,
 163       post_id: inserted_post.id,
 164       removed: None,
 165       deleted: None,
 166       read: None,
 167       parent_id: None,
 168       published: None,
 169       updated: None,
 170       ap_id: None,
 171       local: true,
 172     };
 173
 174     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 175
 176     let child_comment_form = CommentForm {
 177       content: "A test comment".into(),
 178       creator_id: inserted_user.id,
 179       post_id: inserted_post.id,
 180       removed: None,
 181       deleted: None,
 182       read: None,
 183       parent_id: Some(inserted_comment.id),
 184       published: None,
 185       updated: None,
 186       ap_id: None,
 187       local: true,
 188     };
 189
 190     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 191
 192     let post_like = PostLikeForm {
 193       post_id: inserted_post.id,
 194       user_id: inserted_user.id,
 195       score: 1,
 196     };
 197
 198     PostLike::like(&conn, &post_like).unwrap();
 199
 200     let post_aggs_before_delete = PostAggregates::read(&conn, inserted_post.id).unwrap();
 201
 202     assert_eq!(2, post_aggs_before_delete.comments);
 203     assert_eq!(1, post_aggs_before_delete.score);
 204     assert_eq!(1, post_aggs_before_delete.upvotes);
 205     assert_eq!(0, post_aggs_before_delete.downvotes);
 206
 207     // Add a post dislike from the other user
 208     let post_dislike = PostLikeForm {
 209       post_id: inserted_post.id,
 210       user_id: another_inserted_user.id,
 211       score: -1,
 212     };
 213
 214     PostLike::like(&conn, &post_dislike).unwrap();
 215
 216     let post_aggs_after_dislike = PostAggregates::read(&conn, inserted_post.id).unwrap();
 217
 218     assert_eq!(2, post_aggs_after_dislike.comments);
 219     assert_eq!(0, post_aggs_after_dislike.score);
 220     assert_eq!(1, post_aggs_after_dislike.upvotes);
 221     assert_eq!(1, post_aggs_after_dislike.downvotes);
 222
 223     // Remove the parent comment
 224     Comment::delete(&conn, inserted_comment.id).unwrap();
 225     let after_comment_delete = PostAggregates::read(&conn, inserted_post.id).unwrap();
 226     assert_eq!(0, after_comment_delete.comments);
 227     assert_eq!(0, after_comment_delete.score);
 228     assert_eq!(1, after_comment_delete.upvotes);
 229     assert_eq!(1, after_comment_delete.downvotes);
 230
 231     // Remove the first post like
 232     PostLike::remove(&conn, inserted_user.id, inserted_post.id).unwrap();
 233     let after_like_remove = PostAggregates::read(&conn, inserted_post.id).unwrap();
 234     assert_eq!(0, after_like_remove.comments);
 235     assert_eq!(-1, after_like_remove.score);
 236     assert_eq!(0, after_like_remove.upvotes);
 237     assert_eq!(1, after_like_remove.downvotes);
 238
 239     // This should delete all the associated rows, and fire triggers
 240     User_::delete(&conn, another_inserted_user.id).unwrap();
 241     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 242     assert_eq!(1, user_num_deleted);
 243
 244     // Should be none found, since the creator was deleted
 245     let after_delete = PostAggregates::read(&conn, inserted_post.id);
 246     assert!(after_delete.is_err());
 247   }
 248 }