crates/db_queries/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     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     site::{Site, SiteForm},
  36     user::{UserForm, User_},
  37   };
  38
  39   #[test]
  40   fn test_crud() {
  41     let conn = establish_unpooled_connection();
  42
  43     let new_user = UserForm {
  44       name: "thommy_site_agg".into(),
  45       preferred_username: None,
  46       password_encrypted: "nope".into(),
  47       email: None,
  48       matrix_user_id: None,
  49       avatar: None,
  50       banner: None,
  51       admin: false,
  52       banned: Some(false),
  53       published: None,
  54       updated: None,
  55       show_nsfw: false,
  56       theme: "browser".into(),
  57       default_sort_type: SortType::Hot as i16,
  58       default_listing_type: ListingType::Subscribed as i16,
  59       lang: "browser".into(),
  60       show_avatars: true,
  61       send_notifications_to_email: false,
  62       actor_id: None,
  63       bio: None,
  64       local: true,
  65       private_key: None,
  66       public_key: None,
  67       last_refreshed_at: None,
  68     };
  69
  70     let inserted_user = User_::create(&conn, &new_user).unwrap();
  71
  72     let site_form = SiteForm {
  73       name: "test_site".into(),
  74       description: None,
  75       icon: None,
  76       banner: None,
  77       creator_id: inserted_user.id,
  78       enable_downvotes: true,
  79       open_registration: true,
  80       enable_nsfw: true,
  81       updated: None,
  82     };
  83
  84     Site::create(&conn, &site_form).unwrap();
  85
  86     let new_community = CommunityForm {
  87       name: "TIL_site_agg".into(),
  88       creator_id: inserted_user.id,
  89       title: "nada".to_owned(),
  90       description: None,
  91       category_id: 1,
  92       nsfw: false,
  93       removed: None,
  94       deleted: None,
  95       updated: None,
  96       actor_id: None,
  97       local: true,
  98       private_key: None,
  99       public_key: None,
 100       last_refreshed_at: None,
 101       published: None,
 102       icon: None,
 103       banner: None,
 104     };
 105
 106     let inserted_community = Community::create(&conn, &new_community).unwrap();
 107
 108     let new_post = PostForm {
 109       name: "A test post".into(),
 110       url: None,
 111       body: None,
 112       creator_id: inserted_user.id,
 113       community_id: inserted_community.id,
 114       removed: None,
 115       deleted: None,
 116       locked: None,
 117       stickied: None,
 118       nsfw: false,
 119       updated: None,
 120       embed_title: None,
 121       embed_description: None,
 122       embed_html: None,
 123       thumbnail_url: None,
 124       ap_id: None,
 125       local: true,
 126       published: None,
 127     };
 128
 129     // Insert two of those posts
 130     let inserted_post = Post::create(&conn, &new_post).unwrap();
 131     let _inserted_post_again = Post::create(&conn, &new_post).unwrap();
 132
 133     let comment_form = CommentForm {
 134       content: "A test comment".into(),
 135       creator_id: inserted_user.id,
 136       post_id: inserted_post.id,
 137       removed: None,
 138       deleted: None,
 139       read: None,
 140       parent_id: None,
 141       published: None,
 142       updated: None,
 143       ap_id: None,
 144       local: true,
 145     };
 146
 147     // Insert two of those comments
 148     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 149
 150     let child_comment_form = CommentForm {
 151       content: "A test comment".into(),
 152       creator_id: inserted_user.id,
 153       post_id: inserted_post.id,
 154       removed: None,
 155       deleted: None,
 156       read: None,
 157       parent_id: Some(inserted_comment.id),
 158       published: None,
 159       updated: None,
 160       ap_id: None,
 161       local: true,
 162     };
 163
 164     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 165
 166     let site_aggregates_before_delete = SiteAggregates::read(&conn).unwrap();
 167
 168     assert_eq!(1, site_aggregates_before_delete.users);
 169     assert_eq!(1, site_aggregates_before_delete.communities);
 170     assert_eq!(2, site_aggregates_before_delete.posts);
 171     assert_eq!(2, site_aggregates_before_delete.comments);
 172
 173     // Try a post delete
 174     Post::delete(&conn, inserted_post.id).unwrap();
 175     let site_aggregates_after_post_delete = SiteAggregates::read(&conn).unwrap();
 176     assert_eq!(1, site_aggregates_after_post_delete.posts);
 177     assert_eq!(0, site_aggregates_after_post_delete.comments);
 178
 179     // This shouuld delete all the associated rows, and fire triggers
 180     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 181     assert_eq!(1, user_num_deleted);
 182
 183     let after_delete = SiteAggregates::read(&conn);
 184     assert!(after_delete.is_err());
 185   }
 186 }