crates/db_schema/src/aggregates/post_aggregates.rs

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