crates/db_schema/src/aggregates/community_aggregates.rs

   1 use crate::{
   2   aggregates::structs::CommunityAggregates,
   3   newtypes::CommunityId,
   4   schema::community_aggregates,
   5   utils::{get_conn, DbPool},
   6 };
   7 use diesel::{result::Error, ExpressionMethods, QueryDsl};
   8 use diesel_async::RunQueryDsl;
   9
  10 impl CommunityAggregates {
  11   pub async fn read(pool: &DbPool, community_id: CommunityId) -> Result<Self, Error> {
  12     let conn = &mut get_conn(pool).await?;
  13     community_aggregates::table
  14       .filter(community_aggregates::community_id.eq(community_id))
  15       .first::<Self>(conn)
  16       .await
  17   }
  18 }
  19
  20 #[cfg(test)]
  21 mod tests {
  22   use crate::{
  23     aggregates::community_aggregates::CommunityAggregates,
  24     source::{
  25       comment::{Comment, CommentInsertForm},
  26       community::{Community, CommunityFollower, CommunityFollowerForm, CommunityInsertForm},
  27       instance::Instance,
  28       person::{Person, PersonInsertForm},
  29       post::{Post, PostInsertForm},
  30     },
  31     traits::{Crud, Followable},
  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 another_community = CommunityInsertForm::builder()
  71       .name("TIL_community_agg_2".into())
  72       .title("nada".to_owned())
  73       .public_key("pubkey".to_string())
  74       .instance_id(inserted_instance.id)
  75       .build();
  76
  77     let another_inserted_community = Community::create(pool, &another_community).await.unwrap();
  78
  79     let first_person_follow = CommunityFollowerForm {
  80       community_id: inserted_community.id,
  81       person_id: inserted_person.id,
  82       pending: false,
  83     };
  84
  85     CommunityFollower::follow(pool, &first_person_follow)
  86       .await
  87       .unwrap();
  88
  89     let second_person_follow = CommunityFollowerForm {
  90       community_id: inserted_community.id,
  91       person_id: another_inserted_person.id,
  92       pending: false,
  93     };
  94
  95     CommunityFollower::follow(pool, &second_person_follow)
  96       .await
  97       .unwrap();
  98
  99     let another_community_follow = CommunityFollowerForm {
 100       community_id: another_inserted_community.id,
 101       person_id: inserted_person.id,
 102       pending: false,
 103     };
 104
 105     CommunityFollower::follow(pool, &another_community_follow)
 106       .await
 107       .unwrap();
 108
 109     let new_post = PostInsertForm::builder()
 110       .name("A test post".into())
 111       .creator_id(inserted_person.id)
 112       .community_id(inserted_community.id)
 113       .build();
 114
 115     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 116
 117     let comment_form = CommentInsertForm::builder()
 118       .content("A test comment".into())
 119       .creator_id(inserted_person.id)
 120       .post_id(inserted_post.id)
 121       .build();
 122
 123     let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap();
 124
 125     let child_comment_form = CommentInsertForm::builder()
 126       .content("A test comment".into())
 127       .creator_id(inserted_person.id)
 128       .post_id(inserted_post.id)
 129       .build();
 130
 131     let _inserted_child_comment =
 132       Comment::create(pool, &child_comment_form, Some(&inserted_comment.path))
 133         .await
 134         .unwrap();
 135
 136     let community_aggregates_before_delete = CommunityAggregates::read(pool, inserted_community.id)
 137       .await
 138       .unwrap();
 139
 140     assert_eq!(2, community_aggregates_before_delete.subscribers);
 141     assert_eq!(1, community_aggregates_before_delete.posts);
 142     assert_eq!(2, community_aggregates_before_delete.comments);
 143
 144     // Test the other community
 145     let another_community_aggs = CommunityAggregates::read(pool, another_inserted_community.id)
 146       .await
 147       .unwrap();
 148     assert_eq!(1, another_community_aggs.subscribers);
 149     assert_eq!(0, another_community_aggs.posts);
 150     assert_eq!(0, another_community_aggs.comments);
 151
 152     // Unfollow test
 153     CommunityFollower::unfollow(pool, &second_person_follow)
 154       .await
 155       .unwrap();
 156     let after_unfollow = CommunityAggregates::read(pool, inserted_community.id)
 157       .await
 158       .unwrap();
 159     assert_eq!(1, after_unfollow.subscribers);
 160
 161     // Follow again just for the later tests
 162     CommunityFollower::follow(pool, &second_person_follow)
 163       .await
 164       .unwrap();
 165     let after_follow_again = CommunityAggregates::read(pool, inserted_community.id)
 166       .await
 167       .unwrap();
 168     assert_eq!(2, after_follow_again.subscribers);
 169
 170     // Remove a parent post (the comment count should also be 0)
 171     Post::delete(pool, inserted_post.id).await.unwrap();
 172     let after_parent_post_delete = CommunityAggregates::read(pool, inserted_community.id)
 173       .await
 174       .unwrap();
 175     assert_eq!(0, after_parent_post_delete.comments);
 176     assert_eq!(0, after_parent_post_delete.posts);
 177
 178     // Remove the 2nd person
 179     Person::delete(pool, another_inserted_person.id)
 180       .await
 181       .unwrap();
 182     let after_person_delete = CommunityAggregates::read(pool, inserted_community.id)
 183       .await
 184       .unwrap();
 185     assert_eq!(1, after_person_delete.subscribers);
 186
 187     // This should delete all the associated rows, and fire triggers
 188     let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap();
 189     assert_eq!(1, person_num_deleted);
 190
 191     // Delete the community
 192     let community_num_deleted = Community::delete(pool, inserted_community.id)
 193       .await
 194       .unwrap();
 195     assert_eq!(1, community_num_deleted);
 196
 197     let another_community_num_deleted = Community::delete(pool, another_inserted_community.id)
 198       .await
 199       .unwrap();
 200     assert_eq!(1, another_community_num_deleted);
 201
 202     // Should be none found, since the creator was deleted
 203     let after_delete = CommunityAggregates::read(pool, inserted_community.id).await;
 204     assert!(after_delete.is_err());
 205   }
 206 }