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