lemmy_db/src/aggregates/site_aggregates.rs

   1 use crate::schema::site_aggregates;
   2 use diesel::{result::Error, *};
   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     source::{
  27       comment::{Comment, CommentForm},
  28       community::{Community, CommunityForm},
  29       post::{Post, PostForm},
  30       user::{UserForm, User_},
  31     },
  32     tests::establish_unpooled_connection,
  33     Crud,
  34     ListingType,
  35     SortType,
  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 new_community = CommunityForm {
  72       name: "TIL_site_agg".into(),
  73       creator_id: inserted_user.id,
  74       title: "nada".to_owned(),
  75       description: None,
  76       category_id: 1,
  77       nsfw: false,
  78       removed: None,
  79       deleted: None,
  80       updated: None,
  81       actor_id: None,
  82       local: true,
  83       private_key: None,
  84       public_key: None,
  85       last_refreshed_at: None,
  86       published: None,
  87       icon: None,
  88       banner: None,
  89     };
  90
  91     let inserted_community = Community::create(&conn, &new_community).unwrap();
  92
  93     let new_post = PostForm {
  94       name: "A test post".into(),
  95       url: None,
  96       body: None,
  97       creator_id: inserted_user.id,
  98       community_id: inserted_community.id,
  99       removed: None,
 100       deleted: None,
 101       locked: None,
 102       stickied: None,
 103       nsfw: false,
 104       updated: None,
 105       embed_title: None,
 106       embed_description: None,
 107       embed_html: None,
 108       thumbnail_url: None,
 109       ap_id: None,
 110       local: true,
 111       published: None,
 112     };
 113
 114     // Insert two of those posts
 115     let inserted_post = Post::create(&conn, &new_post).unwrap();
 116     let _inserted_post_again = Post::create(&conn, &new_post).unwrap();
 117
 118     let comment_form = CommentForm {
 119       content: "A test comment".into(),
 120       creator_id: inserted_user.id,
 121       post_id: inserted_post.id,
 122       removed: None,
 123       deleted: None,
 124       read: None,
 125       parent_id: None,
 126       published: None,
 127       updated: None,
 128       ap_id: None,
 129       local: true,
 130     };
 131
 132     // Insert two of those comments
 133     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 134
 135     let child_comment_form = CommentForm {
 136       content: "A test comment".into(),
 137       creator_id: inserted_user.id,
 138       post_id: inserted_post.id,
 139       removed: None,
 140       deleted: None,
 141       read: None,
 142       parent_id: Some(inserted_comment.id),
 143       published: None,
 144       updated: None,
 145       ap_id: None,
 146       local: true,
 147     };
 148
 149     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 150
 151     let site_aggregates_before_delete = SiteAggregates::read(&conn).unwrap();
 152
 153     assert_eq!(1, site_aggregates_before_delete.users);
 154     assert_eq!(1, site_aggregates_before_delete.communities);
 155     assert_eq!(2, site_aggregates_before_delete.posts);
 156     assert_eq!(2, site_aggregates_before_delete.comments);
 157
 158     // Try a post delete
 159     Post::delete(&conn, inserted_post.id).unwrap();
 160     let site_aggregates_after_post_delete = SiteAggregates::read(&conn).unwrap();
 161     assert_eq!(1, site_aggregates_after_post_delete.posts);
 162     assert_eq!(0, site_aggregates_after_post_delete.comments);
 163
 164     // This shouuld delete all the associated rows, and fire triggers
 165     let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
 166     assert_eq!(1, user_num_deleted);
 167
 168     let site_aggregates_after_delete = SiteAggregates::read(&conn).unwrap();
 169     assert_eq!(0, site_aggregates_after_delete.users);
 170     assert_eq!(0, site_aggregates_after_delete.communities);
 171     assert_eq!(0, site_aggregates_after_delete.posts);
 172     assert_eq!(0, site_aggregates_after_delete.comments);
 173   }
 174 }