crates/db_queries/src/aggregates/site_aggregates.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_schema::schema::site_aggregates;
   3 use serde::{Deserialize, Serialize};
   4
   5 #[derive(
   6   Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Deserialize, Clone,
   7 )]
   8 #[table_name = "site_aggregates"]
   9 pub struct SiteAggregates {
  10   pub id: i32,
  11   pub site_id: i32,
  12   pub users: i64,
  13   pub posts: i64,
  14   pub comments: i64,
  15   pub communities: i64,
  16   pub users_active_day: i64,
  17   pub users_active_week: i64,
  18   pub users_active_month: i64,
  19   pub users_active_half_year: i64,
  20 }
  21
  22 impl SiteAggregates {
  23   pub fn read(conn: &PgConnection) -> Result<Self, Error> {
  24     site_aggregates::table.first::<Self>(conn)
  25   }
  26 }
  27
  28 #[cfg(test)]
  29 mod tests {
  30   use crate::{aggregates::site_aggregates::SiteAggregates, establish_unpooled_connection, Crud};
  31   use lemmy_db_schema::source::{
  32     comment::{Comment, CommentForm},
  33     community::{Community, CommunityForm},
  34     person::{Person, PersonForm},
  35     post::{Post, PostForm},
  36     site::{Site, SiteForm},
  37   };
  38   use serial_test::serial;
  39
  40   #[test]
  41   #[serial]
  42   fn test_crud() {
  43     let conn = establish_unpooled_connection();
  44
  45     let new_person = PersonForm {
  46       name: "thommy_site_agg".into(),
  47       ..PersonForm::default()
  48     };
  49
  50     let inserted_person = Person::create(&conn, &new_person).unwrap();
  51
  52     let site_form = SiteForm {
  53       name: "test_site".into(),
  54       creator_id: inserted_person.id,
  55       sidebar: None,
  56       description: None,
  57       icon: None,
  58       banner: None,
  59       enable_downvotes: None,
  60       open_registration: None,
  61       enable_nsfw: None,
  62       updated: None,
  63       community_creation_admin_only: Some(false),
  64     };
  65
  66     Site::create(&conn, &site_form).unwrap();
  67
  68     let new_community = CommunityForm {
  69       name: "TIL_site_agg".into(),
  70       title: "nada".to_owned(),
  71       ..CommunityForm::default()
  72     };
  73
  74     let inserted_community = Community::create(&conn, &new_community).unwrap();
  75
  76     let new_post = PostForm {
  77       name: "A test post".into(),
  78       creator_id: inserted_person.id,
  79       community_id: inserted_community.id,
  80       ..PostForm::default()
  81     };
  82
  83     // Insert two of those posts
  84     let inserted_post = Post::create(&conn, &new_post).unwrap();
  85     let _inserted_post_again = Post::create(&conn, &new_post).unwrap();
  86
  87     let comment_form = CommentForm {
  88       content: "A test comment".into(),
  89       creator_id: inserted_person.id,
  90       post_id: inserted_post.id,
  91       ..CommentForm::default()
  92     };
  93
  94     // Insert two of those comments
  95     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
  96
  97     let child_comment_form = CommentForm {
  98       content: "A test comment".into(),
  99       creator_id: inserted_person.id,
 100       post_id: inserted_post.id,
 101       parent_id: Some(inserted_comment.id),
 102       ..CommentForm::default()
 103     };
 104
 105     let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 106
 107     let site_aggregates_before_delete = SiteAggregates::read(&conn).unwrap();
 108
 109     assert_eq!(1, site_aggregates_before_delete.users);
 110     assert_eq!(1, site_aggregates_before_delete.communities);
 111     assert_eq!(2, site_aggregates_before_delete.posts);
 112     assert_eq!(2, site_aggregates_before_delete.comments);
 113
 114     // Try a post delete
 115     Post::delete(&conn, inserted_post.id).unwrap();
 116     let site_aggregates_after_post_delete = SiteAggregates::read(&conn).unwrap();
 117     assert_eq!(1, site_aggregates_after_post_delete.posts);
 118     assert_eq!(0, site_aggregates_after_post_delete.comments);
 119
 120     // This shouuld delete all the associated rows, and fire triggers
 121     let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
 122     assert_eq!(1, person_num_deleted);
 123
 124     // Delete the community
 125     let community_num_deleted = Community::delete(&conn, inserted_community.id).unwrap();
 126     assert_eq!(1, community_num_deleted);
 127
 128     let after_delete = SiteAggregates::read(&conn);
 129     assert!(after_delete.is_err());
 130   }
 131 }