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: &mut 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     let pool = &mut pool.into();
  41
  42     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
  43       .await
  44       .unwrap();
  45
  46     let new_person = PersonInsertForm::builder()
  47       .name("thommy_community_agg".into())
  48       .public_key("pubkey".to_string())
  49       .instance_id(inserted_instance.id)
  50       .build();
  51
  52     let inserted_person = Person::create(pool, &new_person).await.unwrap();
  53
  54     let another_person = PersonInsertForm::builder()
  55       .name("jerry_community_agg".into())
  56       .public_key("pubkey".to_string())
  57       .instance_id(inserted_instance.id)
  58       .build();
  59
  60     let another_inserted_person = Person::create(pool, &another_person).await.unwrap();
  61
  62     let new_community = CommunityInsertForm::builder()
  63       .name("TIL_community_agg".into())
  64       .title("nada".to_owned())
  65       .public_key("pubkey".to_string())
  66       .instance_id(inserted_instance.id)
  67       .build();
  68
  69     let inserted_community = Community::create(pool, &new_community).await.unwrap();
  70
  71     let another_community = CommunityInsertForm::builder()
  72       .name("TIL_community_agg_2".into())
  73       .title("nada".to_owned())
  74       .public_key("pubkey".to_string())
  75       .instance_id(inserted_instance.id)
  76       .build();
  77
  78     let another_inserted_community = Community::create(pool, &another_community).await.unwrap();
  79
  80     let first_person_follow = CommunityFollowerForm {
  81       community_id: inserted_community.id,
  82       person_id: inserted_person.id,
  83       pending: false,
  84     };
  85
  86     CommunityFollower::follow(pool, &first_person_follow)
  87       .await
  88       .unwrap();
  89
  90     let second_person_follow = CommunityFollowerForm {
  91       community_id: inserted_community.id,
  92       person_id: another_inserted_person.id,
  93       pending: false,
  94     };
  95
  96     CommunityFollower::follow(pool, &second_person_follow)
  97       .await
  98       .unwrap();
  99
 100     let another_community_follow = CommunityFollowerForm {
 101       community_id: another_inserted_community.id,
 102       person_id: inserted_person.id,
 103       pending: false,
 104     };
 105
 106     CommunityFollower::follow(pool, &another_community_follow)
 107       .await
 108       .unwrap();
 109
 110     let new_post = PostInsertForm::builder()
 111       .name("A test post".into())
 112       .creator_id(inserted_person.id)
 113       .community_id(inserted_community.id)
 114       .build();
 115
 116     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 117
 118     let comment_form = CommentInsertForm::builder()
 119       .content("A test comment".into())
 120       .creator_id(inserted_person.id)
 121       .post_id(inserted_post.id)
 122       .build();
 123
 124     let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap();
 125
 126     let child_comment_form = CommentInsertForm::builder()
 127       .content("A test comment".into())
 128       .creator_id(inserted_person.id)
 129       .post_id(inserted_post.id)
 130       .build();
 131
 132     let _inserted_child_comment =
 133       Comment::create(pool, &child_comment_form, Some(&inserted_comment.path))
 134         .await
 135         .unwrap();
 136
 137     let community_aggregates_before_delete = CommunityAggregates::read(pool, inserted_community.id)
 138       .await
 139       .unwrap();
 140
 141     assert_eq!(2, community_aggregates_before_delete.subscribers);
 142     assert_eq!(1, community_aggregates_before_delete.posts);
 143     assert_eq!(2, community_aggregates_before_delete.comments);
 144
 145     // Test the other community
 146     let another_community_aggs = CommunityAggregates::read(pool, another_inserted_community.id)
 147       .await
 148       .unwrap();
 149     assert_eq!(1, another_community_aggs.subscribers);
 150     assert_eq!(0, another_community_aggs.posts);
 151     assert_eq!(0, another_community_aggs.comments);
 152
 153     // Unfollow test
 154     CommunityFollower::unfollow(pool, &second_person_follow)
 155       .await
 156       .unwrap();
 157     let after_unfollow = CommunityAggregates::read(pool, inserted_community.id)
 158       .await
 159       .unwrap();
 160     assert_eq!(1, after_unfollow.subscribers);
 161
 162     // Follow again just for the later tests
 163     CommunityFollower::follow(pool, &second_person_follow)
 164       .await
 165       .unwrap();
 166     let after_follow_again = CommunityAggregates::read(pool, inserted_community.id)
 167       .await
 168       .unwrap();
 169     assert_eq!(2, after_follow_again.subscribers);
 170
 171     // Remove a parent post (the comment count should also be 0)
 172     Post::delete(pool, inserted_post.id).await.unwrap();
 173     let after_parent_post_delete = CommunityAggregates::read(pool, inserted_community.id)
 174       .await
 175       .unwrap();
 176     assert_eq!(0, after_parent_post_delete.comments);
 177     assert_eq!(0, after_parent_post_delete.posts);
 178
 179     // Remove the 2nd person
 180     Person::delete(pool, another_inserted_person.id)
 181       .await
 182       .unwrap();
 183     let after_person_delete = CommunityAggregates::read(pool, inserted_community.id)
 184       .await
 185       .unwrap();
 186     assert_eq!(1, after_person_delete.subscribers);
 187
 188     // This should delete all the associated rows, and fire triggers
 189     let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap();
 190     assert_eq!(1, person_num_deleted);
 191
 192     // Delete the community
 193     let community_num_deleted = Community::delete(pool, inserted_community.id)
 194       .await
 195       .unwrap();
 196     assert_eq!(1, community_num_deleted);
 197
 198     let another_community_num_deleted = Community::delete(pool, another_inserted_community.id)
 199       .await
 200       .unwrap();
 201     assert_eq!(1, another_community_num_deleted);
 202
 203     // Should be none found, since the creator was deleted
 204     let after_delete = CommunityAggregates::read(pool, inserted_community.id).await;
 205     assert!(after_delete.is_err());
 206   }
 207 }