crates/db_queries/src/aggregates/community_aggregates.rs

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