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     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 another_community = CommunityForm {
 138       name: "TIL_community_agg_2".into(),
 139       creator_id: inserted_user.id,
 140       title: "nada".to_owned(),
 141       description: None,
 142       nsfw: false,
 143       removed: None,
 144       deleted: None,
 145       updated: None,
 146       actor_id: None,
 147       local: true,
 148       private_key: None,
 149       public_key: None,
 150       last_refreshed_at: None,
 151       published: None,
 152       icon: None,
 153       banner: None,
 154       followers_url: None,
 155       inbox_url: None,
 156       shared_inbox_url: None,
 157     };
 158
 159     let another_inserted_community = Community::create(&conn, &another_community).unwrap();
 160
 161     let first_user_follow = CommunityFollowerForm {
 162       community_id: inserted_community.id,
 163       user_id: inserted_user.id,
 164       pending: false,
 165     };
 166
 167     CommunityFollower::follow(&conn, &first_user_follow).unwrap();
 168
 169     let second_user_follow = CommunityFollowerForm {
 170       community_id: inserted_community.id,
 171       user_id: another_inserted_user.id,
 172       pending: false,
 173     };
 174
 175     CommunityFollower::follow(&conn, &second_user_follow).unwrap();
 176
 177     let another_community_follow = CommunityFollowerForm {
 178       community_id: another_inserted_community.id,
 179       user_id: inserted_user.id,
 180       pending: false,
 181     };
 182
 183     CommunityFollower::follow(&conn, &another_community_follow).unwrap();
 184
 185     let new_post = PostForm {
 186       name: "A test post".into(),
 187       url: None,
 188       body: None,
 189       creator_id: inserted_user.id,
 190       community_id: inserted_community.id,
 191       removed: None,
 192       deleted: None,
 193       locked: None,
 194       stickied: None,
 195       nsfw: false,
 196       updated: None,
 197       embed_title: None,
 198       embed_description: None,
 199       embed_html: None,
 200       thumbnail_url: None,
 201       ap_id: None,
 202       local: true,
 203       published: None,
 204     };
 205
 206     let inserted_post = Post::create(&conn, &new_post).unwrap();
 207
 208     let comment_form = CommentForm {
 209       content: "A test comment".into(),
 210       creator_id: inserted_user.id,
 211       post_id: inserted_post.id,
 212       removed: None,
 213       deleted: None,
 214       read: None,
 215       parent_id: None,
 216       published: None,
 217       updated: None,
 218       ap_id: None,
 219       local: true,
 220     };
 221
 222     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 223
 224     let child_comment_form = CommentForm {
 225       content: "A test comment".into(),
 226       creator_id: inserted_user.id,
 227       post_id: inserted_post.id,
 228       removed: None,
 229       deleted: None,
 230       read: None,
 231       parent_id: Some(inserted_comment.id),
 232       published: None,
 233       updated: None,
 234       ap_id: None,
 235       local: true,
 236     };
 237
 238     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 239
 240     let community_aggregates_before_delete =
 241       CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 242
 243     assert_eq!(2, community_aggregates_before_delete.subscribers);
 244     assert_eq!(1, community_aggregates_before_delete.posts);
 245     assert_eq!(2, community_aggregates_before_delete.comments);
 246
 247     // Test the other community
 248     let another_community_aggs =
 249       CommunityAggregates::read(&conn, another_inserted_community.id).unwrap();
 250     assert_eq!(1, another_community_aggs.subscribers);
 251     assert_eq!(0, another_community_aggs.posts);
 252     assert_eq!(0, another_community_aggs.comments);
 253
 254     // Unfollow test
 255     CommunityFollower::unfollow(&conn, &second_user_follow).unwrap();
 256     let after_unfollow = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 257     assert_eq!(1, after_unfollow.subscribers);
 258
 259     // Follow again just for the later tests
 260     CommunityFollower::follow(&conn, &second_user_follow).unwrap();
 261     let after_follow_again = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 262     assert_eq!(2, after_follow_again.subscribers);
 263
 264     // Remove a parent comment (the comment count should also be 0)
 265     Post::delete(&conn, inserted_post.id).unwrap();
 266     let after_parent_post_delete = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 267     assert_eq!(0, after_parent_post_delete.comments);
 268     assert_eq!(0, after_parent_post_delete.posts);
 269
 270     // Remove the 2nd user
 271     User_::delete(&conn, another_inserted_user.id).unwrap();
 272     let after_user_delete = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 273     assert_eq!(1, after_user_delete.subscribers);
 274
 275     // This should delete all the associated rows, and fire triggers
 276     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 277     assert_eq!(1, user_num_deleted);
 278
 279     // Should be none found, since the creator was deleted
 280     let after_delete = CommunityAggregates::read(&conn, inserted_community.id);
 281     assert!(after_delete.is_err());
 282   }
 283 }