crates/db_queries/src/aggregates/community_aggregates.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_schema::{schema::community_aggregates, CommunityId};
   3 use serde::Serialize;
   4
   5 #[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Clone)]
   6 #[table_name = "community_aggregates"]
   7 pub struct CommunityAggregates {
   8   pub id: i32,
   9   pub community_id: CommunityId,
  10   pub subscribers: i64,
  11   pub posts: i64,
  12   pub comments: i64,
  13   pub published: chrono::NaiveDateTime,
  14   pub users_active_day: i64,
  15   pub users_active_week: i64,
  16   pub users_active_month: i64,
  17   pub users_active_half_year: i64,
  18 }
  19
  20 impl CommunityAggregates {
  21   pub fn read(conn: &PgConnection, community_id: CommunityId) -> Result<Self, Error> {
  22     community_aggregates::table
  23       .filter(community_aggregates::community_id.eq(community_id))
  24       .first::<Self>(conn)
  25   }
  26 }
  27
  28 #[cfg(test)]
  29 mod tests {
  30   use crate::{
  31     aggregates::community_aggregates::CommunityAggregates,
  32     establish_unpooled_connection,
  33     Crud,
  34     Followable,
  35   };
  36   use lemmy_db_schema::source::{
  37     comment::{Comment, CommentForm},
  38     community::{Community, CommunityFollower, CommunityFollowerForm, CommunityForm},
  39     person::{Person, PersonForm},
  40     post::{Post, PostForm},
  41   };
  42   use serial_test::serial;
  43
  44   #[test]
  45   #[serial]
  46   fn test_crud() {
  47     let conn = establish_unpooled_connection();
  48
  49     let new_person = PersonForm {
  50       name: "thommy_community_agg".into(),
  51       preferred_username: None,
  52       avatar: None,
  53       banner: None,
  54       banned: None,
  55       deleted: None,
  56       published: None,
  57       updated: None,
  58       actor_id: None,
  59       bio: None,
  60       local: None,
  61       private_key: None,
  62       public_key: None,
  63       last_refreshed_at: None,
  64       inbox_url: None,
  65       shared_inbox_url: None,
  66       matrix_user_id: None,
  67     };
  68
  69     let inserted_person = Person::create(&conn, &new_person).unwrap();
  70
  71     let another_person = PersonForm {
  72       name: "jerry_community_agg".into(),
  73       preferred_username: None,
  74       avatar: None,
  75       banner: None,
  76       banned: None,
  77       deleted: None,
  78       published: None,
  79       updated: None,
  80       actor_id: None,
  81       bio: None,
  82       local: None,
  83       private_key: None,
  84       public_key: None,
  85       last_refreshed_at: None,
  86       inbox_url: None,
  87       shared_inbox_url: None,
  88       matrix_user_id: None,
  89     };
  90
  91     let another_inserted_person = Person::create(&conn, &another_person).unwrap();
  92
  93     let new_community = CommunityForm {
  94       name: "TIL_community_agg".into(),
  95       creator_id: inserted_person.id,
  96       title: "nada".to_owned(),
  97       description: None,
  98       nsfw: false,
  99       removed: None,
 100       deleted: None,
 101       updated: None,
 102       actor_id: None,
 103       local: true,
 104       private_key: None,
 105       public_key: None,
 106       last_refreshed_at: None,
 107       published: None,
 108       icon: None,
 109       banner: None,
 110       followers_url: None,
 111       inbox_url: None,
 112       shared_inbox_url: None,
 113     };
 114
 115     let inserted_community = Community::create(&conn, &new_community).unwrap();
 116
 117     let another_community = CommunityForm {
 118       name: "TIL_community_agg_2".into(),
 119       creator_id: inserted_person.id,
 120       title: "nada".to_owned(),
 121       description: None,
 122       nsfw: false,
 123       removed: None,
 124       deleted: None,
 125       updated: None,
 126       actor_id: None,
 127       local: true,
 128       private_key: None,
 129       public_key: None,
 130       last_refreshed_at: None,
 131       published: None,
 132       icon: None,
 133       banner: None,
 134       followers_url: None,
 135       inbox_url: None,
 136       shared_inbox_url: None,
 137     };
 138
 139     let another_inserted_community = Community::create(&conn, &another_community).unwrap();
 140
 141     let first_person_follow = CommunityFollowerForm {
 142       community_id: inserted_community.id,
 143       person_id: inserted_person.id,
 144       pending: false,
 145     };
 146
 147     CommunityFollower::follow(&conn, &first_person_follow).unwrap();
 148
 149     let second_person_follow = CommunityFollowerForm {
 150       community_id: inserted_community.id,
 151       person_id: another_inserted_person.id,
 152       pending: false,
 153     };
 154
 155     CommunityFollower::follow(&conn, &second_person_follow).unwrap();
 156
 157     let another_community_follow = CommunityFollowerForm {
 158       community_id: another_inserted_community.id,
 159       person_id: inserted_person.id,
 160       pending: false,
 161     };
 162
 163     CommunityFollower::follow(&conn, &another_community_follow).unwrap();
 164
 165     let new_post = PostForm {
 166       name: "A test post".into(),
 167       url: None,
 168       body: None,
 169       creator_id: inserted_person.id,
 170       community_id: inserted_community.id,
 171       removed: None,
 172       deleted: None,
 173       locked: None,
 174       stickied: None,
 175       nsfw: false,
 176       updated: None,
 177       embed_title: None,
 178       embed_description: None,
 179       embed_html: None,
 180       thumbnail_url: None,
 181       ap_id: None,
 182       local: true,
 183       published: None,
 184     };
 185
 186     let inserted_post = Post::create(&conn, &new_post).unwrap();
 187
 188     let comment_form = CommentForm {
 189       content: "A test comment".into(),
 190       creator_id: inserted_person.id,
 191       post_id: inserted_post.id,
 192       removed: None,
 193       deleted: None,
 194       read: None,
 195       parent_id: None,
 196       published: None,
 197       updated: None,
 198       ap_id: None,
 199       local: true,
 200     };
 201
 202     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 203
 204     let child_comment_form = CommentForm {
 205       content: "A test comment".into(),
 206       creator_id: inserted_person.id,
 207       post_id: inserted_post.id,
 208       removed: None,
 209       deleted: None,
 210       read: None,
 211       parent_id: Some(inserted_comment.id),
 212       published: None,
 213       updated: None,
 214       ap_id: None,
 215       local: true,
 216     };
 217
 218     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 219
 220     let community_aggregates_before_delete =
 221       CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 222
 223     assert_eq!(2, community_aggregates_before_delete.subscribers);
 224     assert_eq!(1, community_aggregates_before_delete.posts);
 225     assert_eq!(2, community_aggregates_before_delete.comments);
 226
 227     // Test the other community
 228     let another_community_aggs =
 229       CommunityAggregates::read(&conn, another_inserted_community.id).unwrap();
 230     assert_eq!(1, another_community_aggs.subscribers);
 231     assert_eq!(0, another_community_aggs.posts);
 232     assert_eq!(0, another_community_aggs.comments);
 233
 234     // Unfollow test
 235     CommunityFollower::unfollow(&conn, &second_person_follow).unwrap();
 236     let after_unfollow = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 237     assert_eq!(1, after_unfollow.subscribers);
 238
 239     // Follow again just for the later tests
 240     CommunityFollower::follow(&conn, &second_person_follow).unwrap();
 241     let after_follow_again = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 242     assert_eq!(2, after_follow_again.subscribers);
 243
 244     // Remove a parent comment (the comment count should also be 0)
 245     Post::delete(&conn, inserted_post.id).unwrap();
 246     let after_parent_post_delete = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 247     assert_eq!(0, after_parent_post_delete.comments);
 248     assert_eq!(0, after_parent_post_delete.posts);
 249
 250     // Remove the 2nd person
 251     Person::delete(&conn, another_inserted_person.id).unwrap();
 252     let after_person_delete = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 253     assert_eq!(1, after_person_delete.subscribers);
 254
 255     // This should delete all the associated rows, and fire triggers
 256     let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
 257     assert_eq!(1, person_num_deleted);
 258
 259     // Should be none found, since the creator was deleted
 260     let after_delete = CommunityAggregates::read(&conn, inserted_community.id);
 261     assert!(after_delete.is_err());
 262   }
 263 }