lemmy_db/src/aggregates/site_aggregates.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_schema::schema::site_aggregates;
   3 use serde::Serialize;
   4
   5 #[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Clone)]
   6 #[table_name = "site_aggregates"]
   7 pub struct SiteAggregates {
   8   pub id: i32,
   9   pub site_id: i32,
  10   pub users: i64,
  11   pub posts: i64,
  12   pub comments: i64,
  13   pub communities: i64,
  14 }
  15
  16 impl SiteAggregates {
  17   pub fn read(conn: &PgConnection) -> Result<Self, Error> {
  18     site_aggregates::table.first::<Self>(conn)
  19   }
  20 }
  21
  22 #[cfg(test)]
  23 mod tests {
  24   use crate::{
  25     aggregates::site_aggregates::SiteAggregates,
  26     tests::establish_unpooled_connection,
  27     Crud,
  28     ListingType,
  29     SortType,
  30   };
  31   use lemmy_db_schema::source::{
  32     comment::{Comment, CommentForm},
  33     community::{Community, CommunityForm},
  34     post::{Post, PostForm},
  35     user::{UserForm, User_},
  36   };
  37
  38   #[test]
  39   fn test_crud() {
  40     let conn = establish_unpooled_connection();
  41
  42     let new_user = UserForm {
  43       name: "thommy_site_agg".into(),
  44       preferred_username: None,
  45       password_encrypted: "nope".into(),
  46       email: None,
  47       matrix_user_id: None,
  48       avatar: None,
  49       banner: None,
  50       admin: false,
  51       banned: Some(false),
  52       published: None,
  53       updated: None,
  54       show_nsfw: false,
  55       theme: "browser".into(),
  56       default_sort_type: SortType::Hot as i16,
  57       default_listing_type: ListingType::Subscribed as i16,
  58       lang: "browser".into(),
  59       show_avatars: true,
  60       send_notifications_to_email: false,
  61       actor_id: None,
  62       bio: None,
  63       local: true,
  64       private_key: None,
  65       public_key: None,
  66       last_refreshed_at: None,
  67     };
  68
  69     let inserted_user = User_::create(&conn, &new_user).unwrap();
  70
  71     let site_form = SiteForm {
  72       name: "test_site".into(),
  73       description: None,
  74       icon: None,
  75       banner: None,
  76       creator_id: inserted_user.id,
  77       enable_downvotes: true,
  78       open_registration: true,
  79       enable_nsfw: true,
  80       updated: None,
  81     };
  82
  83     Site::create(&conn, &site_form).unwrap();
  84
  85     let new_community = CommunityForm {
  86       name: "TIL_site_agg".into(),
  87       creator_id: inserted_user.id,
  88       title: "nada".to_owned(),
  89       description: None,
  90       category_id: 1,
  91       nsfw: false,
  92       removed: None,
  93       deleted: None,
  94       updated: None,
  95       actor_id: None,
  96       local: true,
  97       private_key: None,
  98       public_key: None,
  99       last_refreshed_at: None,
 100       published: None,
 101       icon: None,
 102       banner: None,
 103     };
 104
 105     let inserted_community = Community::create(&conn, &new_community).unwrap();
 106
 107     let new_post = PostForm {
 108       name: "A test post".into(),
 109       url: None,
 110       body: None,
 111       creator_id: inserted_user.id,
 112       community_id: inserted_community.id,
 113       removed: None,
 114       deleted: None,
 115       locked: None,
 116       stickied: None,
 117       nsfw: false,
 118       updated: None,
 119       embed_title: None,
 120       embed_description: None,
 121       embed_html: None,
 122       thumbnail_url: None,
 123       ap_id: None,
 124       local: true,
 125       published: None,
 126     };
 127
 128     // Insert two of those posts
 129     let inserted_post = Post::create(&conn, &new_post).unwrap();
 130     let _inserted_post_again = Post::create(&conn, &new_post).unwrap();
 131
 132     let comment_form = CommentForm {
 133       content: "A test comment".into(),
 134       creator_id: inserted_user.id,
 135       post_id: inserted_post.id,
 136       removed: None,
 137       deleted: None,
 138       read: None,
 139       parent_id: None,
 140       published: None,
 141       updated: None,
 142       ap_id: None,
 143       local: true,
 144     };
 145
 146     // Insert two of those comments
 147     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 148
 149     let child_comment_form = CommentForm {
 150       content: "A test comment".into(),
 151       creator_id: inserted_user.id,
 152       post_id: inserted_post.id,
 153       removed: None,
 154       deleted: None,
 155       read: None,
 156       parent_id: Some(inserted_comment.id),
 157       published: None,
 158       updated: None,
 159       ap_id: None,
 160       local: true,
 161     };
 162
 163     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 164
 165     let site_aggregates_before_delete = SiteAggregates::read(&conn).unwrap();
 166
 167     assert_eq!(1, site_aggregates_before_delete.users);
 168     assert_eq!(1, site_aggregates_before_delete.communities);
 169     assert_eq!(2, site_aggregates_before_delete.posts);
 170     assert_eq!(2, site_aggregates_before_delete.comments);
 171
 172     // Try a post delete
 173     Post::delete(&conn, inserted_post.id).unwrap();
 174     let site_aggregates_after_post_delete = SiteAggregates::read(&conn).unwrap();
 175     assert_eq!(1, site_aggregates_after_post_delete.posts);
 176     assert_eq!(0, site_aggregates_after_post_delete.comments);
 177
 178     // This shouuld delete all the associated rows, and fire triggers
 179     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 180     assert_eq!(1, user_num_deleted);
 181
 182     let after_delete = SiteAggregates::read(&conn);
 183     assert!(after_delete.is_err());
 184   }
 185 }