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::read_or_create(pool, "my_domain.tld".to_string())
  42       .await
  43       .unwrap();
  44
  45     let new_person = PersonInsertForm::builder()
  46       .name("thommy_community_agg".into())
  47       .public_key("pubkey".to_string())
  48       .instance_id(inserted_instance.id)
  49       .build();
  50
  51     let inserted_person = Person::create(pool, &new_person).await.unwrap();
  52
  53     let another_person = PersonInsertForm::builder()
  54       .name("jerry_community_agg".into())
  55       .public_key("pubkey".to_string())
  56       .instance_id(inserted_instance.id)
  57       .build();
  58
  59     let another_inserted_person = Person::create(pool, &another_person).await.unwrap();
  60
  61     let new_community = CommunityInsertForm::builder()
  62       .name("TIL_community_agg".into())
  63       .title("nada".to_owned())
  64       .public_key("pubkey".to_string())
  65       .instance_id(inserted_instance.id)
  66       .build();
  67
  68     let inserted_community = Community::create(pool, &new_community).await.unwrap();
  69
  70     let new_post = PostInsertForm::builder()
  71       .name("A test post".into())
  72       .creator_id(inserted_person.id)
  73       .community_id(inserted_community.id)
  74       .build();
  75
  76     let inserted_post = Post::create(pool, &new_post).await.unwrap();
  77
  78     let comment_form = CommentInsertForm::builder()
  79       .content("A test comment".into())
  80       .creator_id(inserted_person.id)
  81       .post_id(inserted_post.id)
  82       .build();
  83
  84     let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap();
  85
  86     let child_comment_form = CommentInsertForm::builder()
  87       .content("A test comment".into())
  88       .creator_id(inserted_person.id)
  89       .post_id(inserted_post.id)
  90       .build();
  91
  92     let inserted_child_comment =
  93       Comment::create(pool, &child_comment_form, Some(&inserted_comment.path))
  94         .await
  95         .unwrap();
  96
  97     let post_like = PostLikeForm {
  98       post_id: inserted_post.id,
  99       person_id: inserted_person.id,
 100       score: 1,
 101     };
 102
 103     PostLike::like(pool, &post_like).await.unwrap();
 104
 105     let post_aggs_before_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 106
 107     assert_eq!(2, post_aggs_before_delete.comments);
 108     assert_eq!(1, post_aggs_before_delete.score);
 109     assert_eq!(1, post_aggs_before_delete.upvotes);
 110     assert_eq!(0, post_aggs_before_delete.downvotes);
 111
 112     // Add a post dislike from the other person
 113     let post_dislike = PostLikeForm {
 114       post_id: inserted_post.id,
 115       person_id: another_inserted_person.id,
 116       score: -1,
 117     };
 118
 119     PostLike::like(pool, &post_dislike).await.unwrap();
 120
 121     let post_aggs_after_dislike = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 122
 123     assert_eq!(2, post_aggs_after_dislike.comments);
 124     assert_eq!(0, post_aggs_after_dislike.score);
 125     assert_eq!(1, post_aggs_after_dislike.upvotes);
 126     assert_eq!(1, post_aggs_after_dislike.downvotes);
 127
 128     // Remove the comments
 129     Comment::delete(pool, inserted_comment.id).await.unwrap();
 130     Comment::delete(pool, inserted_child_comment.id)
 131       .await
 132       .unwrap();
 133     let after_comment_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 134     assert_eq!(0, after_comment_delete.comments);
 135     assert_eq!(0, after_comment_delete.score);
 136     assert_eq!(1, after_comment_delete.upvotes);
 137     assert_eq!(1, after_comment_delete.downvotes);
 138
 139     // Remove the first post like
 140     PostLike::remove(pool, inserted_person.id, inserted_post.id)
 141       .await
 142       .unwrap();
 143     let after_like_remove = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 144     assert_eq!(0, after_like_remove.comments);
 145     assert_eq!(-1, after_like_remove.score);
 146     assert_eq!(0, after_like_remove.upvotes);
 147     assert_eq!(1, after_like_remove.downvotes);
 148
 149     // This should delete all the associated rows, and fire triggers
 150     Person::delete(pool, another_inserted_person.id)
 151       .await
 152       .unwrap();
 153     let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap();
 154     assert_eq!(1, person_num_deleted);
 155
 156     // Delete the community
 157     let community_num_deleted = Community::delete(pool, inserted_community.id)
 158       .await
 159       .unwrap();
 160     assert_eq!(1, community_num_deleted);
 161
 162     // Should be none found, since the creator was deleted
 163     let after_delete = PostAggregates::read(pool, inserted_post.id).await;
 164     assert!(after_delete.is_err());
 165
 166     Instance::delete(pool, inserted_instance.id).await.unwrap();
 167   }
 168 }