crates/db_schema/src/aggregates/person_aggregates.rs

   1 use crate::{newtypes::PersonId, schema::person_aggregates};
   2 use diesel::{result::Error, *};
   3 use serde::{Deserialize, Serialize};
   4
   5 #[derive(
   6   Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Deserialize, Clone,
   7 )]
   8 #[table_name = "person_aggregates"]
   9 pub struct PersonAggregates {
  10   pub id: i32,
  11   pub person_id: PersonId,
  12   pub post_count: i64,
  13   pub post_score: i64,
  14   pub comment_count: i64,
  15   pub comment_score: i64,
  16 }
  17
  18 impl PersonAggregates {
  19   pub fn read(conn: &PgConnection, person_id: PersonId) -> Result<Self, Error> {
  20     person_aggregates::table
  21       .filter(person_aggregates::person_id.eq(person_id))
  22       .first::<Self>(conn)
  23   }
  24 }
  25
  26 #[cfg(test)]
  27 mod tests {
  28   use crate::{
  29     aggregates::person_aggregates::PersonAggregates,
  30     establish_unpooled_connection,
  31     source::{
  32       comment::{Comment, CommentForm, CommentLike, CommentLikeForm},
  33       community::{Community, CommunityForm},
  34       person::{Person, PersonForm},
  35       post::{Post, PostForm, PostLike, PostLikeForm},
  36     },
  37     traits::{Crud, Likeable},
  38   };
  39   use serial_test::serial;
  40
  41   #[test]
  42   #[serial]
  43   fn test_crud() {
  44     let conn = establish_unpooled_connection();
  45
  46     let new_person = PersonForm {
  47       name: "thommy_user_agg".into(),
  48       ..PersonForm::default()
  49     };
  50
  51     let inserted_person = Person::create(&conn, &new_person).unwrap();
  52
  53     let another_person = PersonForm {
  54       name: "jerry_user_agg".into(),
  55       ..PersonForm::default()
  56     };
  57
  58     let another_inserted_person = Person::create(&conn, &another_person).unwrap();
  59
  60     let new_community = CommunityForm {
  61       name: "TIL_site_agg".into(),
  62       title: "nada".to_owned(),
  63       ..CommunityForm::default()
  64     };
  65
  66     let inserted_community = Community::create(&conn, &new_community).unwrap();
  67
  68     let new_post = PostForm {
  69       name: "A test post".into(),
  70       creator_id: inserted_person.id,
  71       community_id: inserted_community.id,
  72       ..PostForm::default()
  73     };
  74
  75     let inserted_post = Post::create(&conn, &new_post).unwrap();
  76
  77     let post_like = PostLikeForm {
  78       post_id: inserted_post.id,
  79       person_id: inserted_person.id,
  80       score: 1,
  81     };
  82
  83     let _inserted_post_like = PostLike::like(&conn, &post_like).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     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
  93
  94     let mut comment_like = CommentLikeForm {
  95       comment_id: inserted_comment.id,
  96       person_id: inserted_person.id,
  97       post_id: inserted_post.id,
  98       score: 1,
  99     };
 100
 101     let _inserted_comment_like = CommentLike::like(&conn, &comment_like).unwrap();
 102
 103     let mut child_comment_form = CommentForm {
 104       content: "A test comment".into(),
 105       creator_id: inserted_person.id,
 106       post_id: inserted_post.id,
 107       parent_id: Some(inserted_comment.id),
 108       ..CommentForm::default()
 109     };
 110
 111     let inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 112
 113     let child_comment_like = CommentLikeForm {
 114       comment_id: inserted_child_comment.id,
 115       person_id: another_inserted_person.id,
 116       post_id: inserted_post.id,
 117       score: 1,
 118     };
 119
 120     let _inserted_child_comment_like = CommentLike::like(&conn, &child_comment_like).unwrap();
 121
 122     let person_aggregates_before_delete =
 123       PersonAggregates::read(&conn, inserted_person.id).unwrap();
 124
 125     assert_eq!(1, person_aggregates_before_delete.post_count);
 126     assert_eq!(1, person_aggregates_before_delete.post_score);
 127     assert_eq!(2, person_aggregates_before_delete.comment_count);
 128     assert_eq!(2, person_aggregates_before_delete.comment_score);
 129
 130     // Remove a post like
 131     PostLike::remove(&conn, inserted_person.id, inserted_post.id).unwrap();
 132     let after_post_like_remove = PersonAggregates::read(&conn, inserted_person.id).unwrap();
 133     assert_eq!(0, after_post_like_remove.post_score);
 134
 135     // Remove a parent comment (the scores should also be removed)
 136     Comment::delete(&conn, inserted_comment.id).unwrap();
 137     let after_parent_comment_delete = PersonAggregates::read(&conn, inserted_person.id).unwrap();
 138     assert_eq!(0, after_parent_comment_delete.comment_count);
 139     assert_eq!(0, after_parent_comment_delete.comment_score);
 140
 141     // Add in the two comments again, then delete the post.
 142     let new_parent_comment = Comment::create(&conn, &comment_form).unwrap();
 143     child_comment_form.parent_id = Some(new_parent_comment.id);
 144     Comment::create(&conn, &child_comment_form).unwrap();
 145     comment_like.comment_id = new_parent_comment.id;
 146     CommentLike::like(&conn, &comment_like).unwrap();
 147     let after_comment_add = PersonAggregates::read(&conn, inserted_person.id).unwrap();
 148     assert_eq!(2, after_comment_add.comment_count);
 149     assert_eq!(1, after_comment_add.comment_score);
 150
 151     Post::delete(&conn, inserted_post.id).unwrap();
 152     let after_post_delete = PersonAggregates::read(&conn, inserted_person.id).unwrap();
 153     assert_eq!(0, after_post_delete.comment_score);
 154     assert_eq!(0, after_post_delete.comment_count);
 155     assert_eq!(0, after_post_delete.post_score);
 156     assert_eq!(0, after_post_delete.post_count);
 157
 158     // This should delete all the associated rows, and fire triggers
 159     let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
 160     assert_eq!(1, person_num_deleted);
 161     Person::delete(&conn, another_inserted_person.id).unwrap();
 162
 163     // Delete the community
 164     let community_num_deleted = Community::delete(&conn, inserted_community.id).unwrap();
 165     assert_eq!(1, community_num_deleted);
 166
 167     // Should be none found
 168     let after_delete = PersonAggregates::read(&conn, inserted_person.id);
 169     assert!(after_delete.is_err());
 170   }
 171 }