crates/db_schema/src/aggregates/comment_aggregates.rs

   1 use crate::{
   2   aggregates::structs::CommentAggregates,
   3   newtypes::CommentId,
   4   schema::comment_aggregates,
   5   utils::{functions::hot_rank, get_conn, DbPool},
   6 };
   7 use diesel::{result::Error, ExpressionMethods, QueryDsl};
   8 use diesel_async::RunQueryDsl;
   9
  10 impl CommentAggregates {
  11   pub async fn read(pool: &mut DbPool<'_>, comment_id: CommentId) -> Result<Self, Error> {
  12     let conn = &mut get_conn(pool).await?;
  13     comment_aggregates::table
  14       .filter(comment_aggregates::comment_id.eq(comment_id))
  15       .first::<Self>(conn)
  16       .await
  17   }
  18
  19   pub async fn update_hot_rank(
  20     pool: &mut DbPool<'_>,
  21     comment_id: CommentId,
  22   ) -> Result<Self, Error> {
  23     let conn = &mut get_conn(pool).await?;
  24
  25     diesel::update(comment_aggregates::table)
  26       .filter(comment_aggregates::comment_id.eq(comment_id))
  27       .set(comment_aggregates::hot_rank.eq(hot_rank(
  28         comment_aggregates::score,
  29         comment_aggregates::published,
  30       )))
  31       .get_result::<Self>(conn)
  32       .await
  33   }
  34 }
  35
  36 #[cfg(test)]
  37 mod tests {
  38   #![allow(clippy::unwrap_used)]
  39   #![allow(clippy::indexing_slicing)]
  40
  41   use crate::{
  42     aggregates::comment_aggregates::CommentAggregates,
  43     source::{
  44       comment::{Comment, CommentInsertForm, CommentLike, CommentLikeForm},
  45       community::{Community, CommunityInsertForm},
  46       instance::Instance,
  47       person::{Person, PersonInsertForm},
  48       post::{Post, PostInsertForm},
  49     },
  50     traits::{Crud, Likeable},
  51     utils::build_db_pool_for_tests,
  52   };
  53   use serial_test::serial;
  54
  55   #[tokio::test]
  56   #[serial]
  57   async fn test_crud() {
  58     let pool = &build_db_pool_for_tests().await;
  59     let pool = &mut pool.into();
  60
  61     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
  62       .await
  63       .unwrap();
  64
  65     let new_person = PersonInsertForm::builder()
  66       .name("thommy_comment_agg".into())
  67       .public_key("pubkey".into())
  68       .instance_id(inserted_instance.id)
  69       .build();
  70
  71     let inserted_person = Person::create(pool, &new_person).await.unwrap();
  72
  73     let another_person = PersonInsertForm::builder()
  74       .name("jerry_comment_agg".into())
  75       .public_key("pubkey".into())
  76       .instance_id(inserted_instance.id)
  77       .build();
  78
  79     let another_inserted_person = Person::create(pool, &another_person).await.unwrap();
  80
  81     let new_community = CommunityInsertForm::builder()
  82       .name("TIL_comment_agg".into())
  83       .title("nada".to_owned())
  84       .public_key("pubkey".to_string())
  85       .instance_id(inserted_instance.id)
  86       .build();
  87
  88     let inserted_community = Community::create(pool, &new_community).await.unwrap();
  89
  90     let new_post = PostInsertForm::builder()
  91       .name("A test post".into())
  92       .creator_id(inserted_person.id)
  93       .community_id(inserted_community.id)
  94       .build();
  95
  96     let inserted_post = Post::create(pool, &new_post).await.unwrap();
  97
  98     let comment_form = CommentInsertForm::builder()
  99       .content("A test comment".into())
 100       .creator_id(inserted_person.id)
 101       .post_id(inserted_post.id)
 102       .build();
 103
 104     let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap();
 105
 106     let child_comment_form = CommentInsertForm::builder()
 107       .content("A test comment".into())
 108       .creator_id(inserted_person.id)
 109       .post_id(inserted_post.id)
 110       .build();
 111
 112     let _inserted_child_comment =
 113       Comment::create(pool, &child_comment_form, Some(&inserted_comment.path))
 114         .await
 115         .unwrap();
 116
 117     let comment_like = CommentLikeForm {
 118       comment_id: inserted_comment.id,
 119       post_id: inserted_post.id,
 120       person_id: inserted_person.id,
 121       score: 1,
 122     };
 123
 124     CommentLike::like(pool, &comment_like).await.unwrap();
 125
 126     let comment_aggs_before_delete = CommentAggregates::read(pool, inserted_comment.id)
 127       .await
 128       .unwrap();
 129
 130     assert_eq!(1, comment_aggs_before_delete.score);
 131     assert_eq!(1, comment_aggs_before_delete.upvotes);
 132     assert_eq!(0, comment_aggs_before_delete.downvotes);
 133
 134     // Add a post dislike from the other person
 135     let comment_dislike = CommentLikeForm {
 136       comment_id: inserted_comment.id,
 137       post_id: inserted_post.id,
 138       person_id: another_inserted_person.id,
 139       score: -1,
 140     };
 141
 142     CommentLike::like(pool, &comment_dislike).await.unwrap();
 143
 144     let comment_aggs_after_dislike = CommentAggregates::read(pool, inserted_comment.id)
 145       .await
 146       .unwrap();
 147
 148     assert_eq!(0, comment_aggs_after_dislike.score);
 149     assert_eq!(1, comment_aggs_after_dislike.upvotes);
 150     assert_eq!(1, comment_aggs_after_dislike.downvotes);
 151
 152     // Remove the first comment like
 153     CommentLike::remove(pool, inserted_person.id, inserted_comment.id)
 154       .await
 155       .unwrap();
 156     let after_like_remove = CommentAggregates::read(pool, inserted_comment.id)
 157       .await
 158       .unwrap();
 159     assert_eq!(-1, after_like_remove.score);
 160     assert_eq!(0, after_like_remove.upvotes);
 161     assert_eq!(1, after_like_remove.downvotes);
 162
 163     // Remove the parent post
 164     Post::delete(pool, inserted_post.id).await.unwrap();
 165
 166     // Should be none found, since the post was deleted
 167     let after_delete = CommentAggregates::read(pool, inserted_comment.id).await;
 168     assert!(after_delete.is_err());
 169
 170     // This should delete all the associated rows, and fire triggers
 171     Person::delete(pool, another_inserted_person.id)
 172       .await
 173       .unwrap();
 174     let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap();
 175     assert_eq!(1, person_num_deleted);
 176
 177     // Delete the community
 178     let community_num_deleted = Community::delete(pool, inserted_community.id)
 179       .await
 180       .unwrap();
 181     assert_eq!(1, community_num_deleted);
 182
 183     Instance::delete(pool, inserted_instance.id).await.unwrap();
 184   }
 185 }