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
  45   #[test]
  46   fn test_crud() {
  47     let conn = establish_unpooled_connection();
  48
  49     let new_user = UserForm {
  50       name: "thommy_community_agg".into(),
  51       preferred_username: None,
  52       password_encrypted: "nope".into(),
  53       email: None,
  54       matrix_user_id: None,
  55       avatar: None,
  56       banner: None,
  57       admin: false,
  58       banned: Some(false),
  59       published: None,
  60       updated: None,
  61       show_nsfw: false,
  62       theme: "browser".into(),
  63       default_sort_type: SortType::Hot as i16,
  64       default_listing_type: ListingType::Subscribed as i16,
  65       lang: "browser".into(),
  66       show_avatars: true,
  67       send_notifications_to_email: false,
  68       actor_id: None,
  69       bio: None,
  70       local: true,
  71       private_key: None,
  72       public_key: None,
  73       last_refreshed_at: None,
  74       inbox_url: None,
  75       shared_inbox_url: None,
  76     };
  77
  78     let inserted_user = User_::create(&conn, &new_user).unwrap();
  79
  80     let another_user = UserForm {
  81       name: "jerry_community_agg".into(),
  82       preferred_username: None,
  83       password_encrypted: "nope".into(),
  84       email: None,
  85       matrix_user_id: None,
  86       avatar: None,
  87       banner: None,
  88       admin: false,
  89       banned: Some(false),
  90       published: None,
  91       updated: None,
  92       show_nsfw: false,
  93       theme: "browser".into(),
  94       default_sort_type: SortType::Hot as i16,
  95       default_listing_type: ListingType::Subscribed as i16,
  96       lang: "browser".into(),
  97       show_avatars: true,
  98       send_notifications_to_email: false,
  99       actor_id: None,
 100       bio: None,
 101       local: true,
 102       private_key: None,
 103       public_key: None,
 104       last_refreshed_at: None,
 105       inbox_url: None,
 106       shared_inbox_url: None,
 107     };
 108
 109     let another_inserted_user = User_::create(&conn, &another_user).unwrap();
 110
 111     let new_community = CommunityForm {
 112       name: "TIL_community_agg".into(),
 113       creator_id: inserted_user.id,
 114       title: "nada".to_owned(),
 115       description: None,
 116       nsfw: false,
 117       removed: None,
 118       deleted: None,
 119       updated: None,
 120       actor_id: None,
 121       local: true,
 122       private_key: None,
 123       public_key: None,
 124       last_refreshed_at: None,
 125       published: None,
 126       icon: None,
 127       banner: None,
 128       followers_url: None,
 129       inbox_url: None,
 130       shared_inbox_url: None,
 131     };
 132
 133     let inserted_community = Community::create(&conn, &new_community).unwrap();
 134
 135     let another_community = CommunityForm {
 136       name: "TIL_community_agg_2".into(),
 137       creator_id: inserted_user.id,
 138       title: "nada".to_owned(),
 139       description: None,
 140       nsfw: false,
 141       removed: None,
 142       deleted: None,
 143       updated: None,
 144       actor_id: None,
 145       local: true,
 146       private_key: None,
 147       public_key: None,
 148       last_refreshed_at: None,
 149       published: None,
 150       icon: None,
 151       banner: None,
 152       followers_url: None,
 153       inbox_url: None,
 154       shared_inbox_url: None,
 155     };
 156
 157     let another_inserted_community = Community::create(&conn, &another_community).unwrap();
 158
 159     let first_user_follow = CommunityFollowerForm {
 160       community_id: inserted_community.id,
 161       user_id: inserted_user.id,
 162       pending: false,
 163     };
 164
 165     CommunityFollower::follow(&conn, &first_user_follow).unwrap();
 166
 167     let second_user_follow = CommunityFollowerForm {
 168       community_id: inserted_community.id,
 169       user_id: another_inserted_user.id,
 170       pending: false,
 171     };
 172
 173     CommunityFollower::follow(&conn, &second_user_follow).unwrap();
 174
 175     let another_community_follow = CommunityFollowerForm {
 176       community_id: another_inserted_community.id,
 177       user_id: inserted_user.id,
 178       pending: false,
 179     };
 180
 181     CommunityFollower::follow(&conn, &another_community_follow).unwrap();
 182
 183     let new_post = PostForm {
 184       name: "A test post".into(),
 185       url: None,
 186       body: None,
 187       creator_id: inserted_user.id,
 188       community_id: inserted_community.id,
 189       removed: None,
 190       deleted: None,
 191       locked: None,
 192       stickied: None,
 193       nsfw: false,
 194       updated: None,
 195       embed_title: None,
 196       embed_description: None,
 197       embed_html: None,
 198       thumbnail_url: None,
 199       ap_id: None,
 200       local: true,
 201       published: None,
 202     };
 203
 204     let inserted_post = Post::create(&conn, &new_post).unwrap();
 205
 206     let comment_form = CommentForm {
 207       content: "A test comment".into(),
 208       creator_id: inserted_user.id,
 209       post_id: inserted_post.id,
 210       removed: None,
 211       deleted: None,
 212       read: None,
 213       parent_id: None,
 214       published: None,
 215       updated: None,
 216       ap_id: None,
 217       local: true,
 218     };
 219
 220     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 221
 222     let child_comment_form = CommentForm {
 223       content: "A test comment".into(),
 224       creator_id: inserted_user.id,
 225       post_id: inserted_post.id,
 226       removed: None,
 227       deleted: None,
 228       read: None,
 229       parent_id: Some(inserted_comment.id),
 230       published: None,
 231       updated: None,
 232       ap_id: None,
 233       local: true,
 234     };
 235
 236     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 237
 238     let community_aggregates_before_delete =
 239       CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 240
 241     assert_eq!(2, community_aggregates_before_delete.subscribers);
 242     assert_eq!(1, community_aggregates_before_delete.posts);
 243     assert_eq!(2, community_aggregates_before_delete.comments);
 244
 245     // Test the other community
 246     let another_community_aggs =
 247       CommunityAggregates::read(&conn, another_inserted_community.id).unwrap();
 248     assert_eq!(1, another_community_aggs.subscribers);
 249     assert_eq!(0, another_community_aggs.posts);
 250     assert_eq!(0, another_community_aggs.comments);
 251
 252     // Unfollow test
 253     CommunityFollower::unfollow(&conn, &second_user_follow).unwrap();
 254     let after_unfollow = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 255     assert_eq!(1, after_unfollow.subscribers);
 256
 257     // Follow again just for the later tests
 258     CommunityFollower::follow(&conn, &second_user_follow).unwrap();
 259     let after_follow_again = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 260     assert_eq!(2, after_follow_again.subscribers);
 261
 262     // Remove a parent comment (the comment count should also be 0)
 263     Post::delete(&conn, inserted_post.id).unwrap();
 264     let after_parent_post_delete = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 265     assert_eq!(0, after_parent_post_delete.comments);
 266     assert_eq!(0, after_parent_post_delete.posts);
 267
 268     // Remove the 2nd user
 269     User_::delete(&conn, another_inserted_user.id).unwrap();
 270     let after_user_delete = CommunityAggregates::read(&conn, inserted_community.id).unwrap();
 271     assert_eq!(1, after_user_delete.subscribers);
 272
 273     // This should delete all the associated rows, and fire triggers
 274     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 275     assert_eq!(1, user_num_deleted);
 276
 277     // Should be none found, since the creator was deleted
 278     let after_delete = CommunityAggregates::read(&conn, inserted_community.id);
 279     assert!(after_delete.is_err());
 280   }
 281 }