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   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 SiteAggregates {
  21   pub fn read(conn: &PgConnection) -> Result<Self, Error> {
  22     site_aggregates::table.first::<Self>(conn)
  23   }
  24 }
  25
  26 #[cfg(test)]
  27 mod tests {
  28   use crate::{aggregates::site_aggregates::SiteAggregates, establish_unpooled_connection, Crud};
  29   use lemmy_db_schema::source::{
  30     comment::{Comment, CommentForm},
  31     community::{Community, CommunityForm},
  32     person::{Person, PersonForm},
  33     post::{Post, PostForm},
  34     site::{Site, SiteForm},
  35   };
  36   use serial_test::serial;
  37
  38   #[test]
  39   #[serial]
  40   fn test_crud() {
  41     let conn = establish_unpooled_connection();
  42
  43     let new_person = PersonForm {
  44       name: "thommy_site_agg".into(),
  45       ..PersonForm::default()
  46     };
  47
  48     let inserted_person = Person::create(&conn, &new_person).unwrap();
  49
  50     let site_form = SiteForm {
  51       name: "test_site".into(),
  52       creator_id: inserted_person.id,
  53       sidebar: None,
  54       description: None,
  55       icon: None,
  56       banner: None,
  57       enable_downvotes: None,
  58       open_registration: None,
  59       enable_nsfw: None,
  60       updated: None,
  61       community_creation_admin_only: Some(false),
  62     };
  63
  64     Site::create(&conn, &site_form).unwrap();
  65
  66     let new_community = CommunityForm {
  67       name: "TIL_site_agg".into(),
  68       title: "nada".to_owned(),
  69       ..CommunityForm::default()
  70     };
  71
  72     let inserted_community = Community::create(&conn, &new_community).unwrap();
  73
  74     let new_post = PostForm {
  75       name: "A test post".into(),
  76       creator_id: inserted_person.id,
  77       community_id: inserted_community.id,
  78       ..PostForm::default()
  79     };
  80
  81     // Insert two of those posts
  82     let inserted_post = Post::create(&conn, &new_post).unwrap();
  83     let _inserted_post_again = Post::create(&conn, &new_post).unwrap();
  84
  85     let comment_form = CommentForm {
  86       content: "A test comment".into(),
  87       creator_id: inserted_person.id,
  88       post_id: inserted_post.id,
  89       ..CommentForm::default()
  90     };
  91
  92     // Insert two of those comments
  93     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
  94
  95     let child_comment_form = CommentForm {
  96       content: "A test comment".into(),
  97       creator_id: inserted_person.id,
  98       post_id: inserted_post.id,
  99       parent_id: Some(inserted_comment.id),
 100       ..CommentForm::default()
 101     };
 102
 103     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 104
 105     let site_aggregates_before_delete = SiteAggregates::read(&conn).unwrap();
 106
 107     assert_eq!(1, site_aggregates_before_delete.users);
 108     assert_eq!(1, site_aggregates_before_delete.communities);
 109     assert_eq!(2, site_aggregates_before_delete.posts);
 110     assert_eq!(2, site_aggregates_before_delete.comments);
 111
 112     // Try a post delete
 113     Post::delete(&conn, inserted_post.id).unwrap();
 114     let site_aggregates_after_post_delete = SiteAggregates::read(&conn).unwrap();
 115     assert_eq!(1, site_aggregates_after_post_delete.posts);
 116     assert_eq!(0, site_aggregates_after_post_delete.comments);
 117
 118     // This shouuld delete all the associated rows, and fire triggers
 119     let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
 120     assert_eq!(1, person_num_deleted);
 121
 122     // Delete the community
 123     let community_num_deleted = Community::delete(&conn, inserted_community.id).unwrap();
 124     assert_eq!(1, community_num_deleted);
 125
 126     let after_delete = SiteAggregates::read(&conn);
 127     assert!(after_delete.is_err());
 128   }
 129 }