crates/db_schema/src/aggregates/community_aggregates.rs

   1 use crate::{
   2   aggregates::structs::CommunityAggregates,
   3   newtypes::CommunityId,
   4   schema::community_aggregates,
   5 };
   6 use diesel::{result::Error, *};
   7
   8 impl CommunityAggregates {
   9   pub fn read(conn: &mut PgConnection, community_id: CommunityId) -> Result<Self, Error> {
  10     community_aggregates::table
  11       .filter(community_aggregates::community_id.eq(community_id))
  12       .first::<Self>(conn)
  13   }
  14 }
  15
  16 #[cfg(test)]
  17 mod tests {
  18   use crate::{
  19     aggregates::community_aggregates::CommunityAggregates,
  20     source::{
  21       comment::{Comment, CommentForm},
  22       community::{Community, CommunityFollower, CommunityFollowerForm, CommunityForm},
  23       person::{Person, PersonForm},
  24       post::{Post, PostForm},
  25     },
  26     traits::{Crud, Followable},
  27     utils::establish_unpooled_connection,
  28   };
  29   use serial_test::serial;
  30
  31   #[test]
  32   #[serial]
  33   fn test_crud() {
  34     let conn = &mut establish_unpooled_connection();
  35
  36     let new_person = PersonForm {
  37       name: "thommy_community_agg".into(),
  38       public_key: Some("pubkey".to_string()),
  39       ..PersonForm::default()
  40     };
  41
  42     let inserted_person = Person::create(conn, &new_person).unwrap();
  43
  44     let another_person = PersonForm {
  45       name: "jerry_community_agg".into(),
  46       public_key: Some("pubkey".to_string()),
  47       ..PersonForm::default()
  48     };
  49
  50     let another_inserted_person = Person::create(conn, &another_person).unwrap();
  51
  52     let new_community = CommunityForm {
  53       name: "TIL_community_agg".into(),
  54       title: "nada".to_owned(),
  55       public_key: Some("pubkey".to_string()),
  56       ..CommunityForm::default()
  57     };
  58
  59     let inserted_community = Community::create(conn, &new_community).unwrap();
  60
  61     let another_community = CommunityForm {
  62       name: "TIL_community_agg_2".into(),
  63       title: "nada".to_owned(),
  64       public_key: Some("pubkey".to_string()),
  65       ..CommunityForm::default()
  66     };
  67
  68     let another_inserted_community = Community::create(conn, &another_community).unwrap();
  69
  70     let first_person_follow = CommunityFollowerForm {
  71       community_id: inserted_community.id,
  72       person_id: inserted_person.id,
  73       pending: false,
  74     };
  75
  76     CommunityFollower::follow(conn, &first_person_follow).unwrap();
  77
  78     let second_person_follow = CommunityFollowerForm {
  79       community_id: inserted_community.id,
  80       person_id: another_inserted_person.id,
  81       pending: false,
  82     };
  83
  84     CommunityFollower::follow(conn, &second_person_follow).unwrap();
  85
  86     let another_community_follow = CommunityFollowerForm {
  87       community_id: another_inserted_community.id,
  88       person_id: inserted_person.id,
  89       pending: false,
  90     };
  91
  92     CommunityFollower::follow(conn, &another_community_follow).unwrap();
  93
  94     let new_post = PostForm {
  95       name: "A test post".into(),
  96       creator_id: inserted_person.id,
  97       community_id: inserted_community.id,
  98       ..PostForm::default()
  99     };
 100
 101     let inserted_post = Post::create(conn, &new_post).unwrap();
 102
 103     let comment_form = CommentForm {
 104       content: "A test comment".into(),
 105       creator_id: inserted_person.id,
 106       post_id: inserted_post.id,
 107       ..CommentForm::default()
 108     };
 109
 110     let inserted_comment = Comment::create(conn, &comment_form, None).unwrap();
 111
 112     let child_comment_form = CommentForm {
 113       content: "A test comment".into(),
 114       creator_id: inserted_person.id,
 115       post_id: inserted_post.id,
 116       ..CommentForm::default()
 117     };
 118
 119     let _inserted_child_comment =
 120       Comment::create(conn, &child_comment_form, Some(&inserted_comment.path)).unwrap();
 121
 122     let community_aggregates_before_delete =
 123       CommunityAggregates::read(conn, inserted_community.id).unwrap();
 124
 125     assert_eq!(2, community_aggregates_before_delete.subscribers);
 126     assert_eq!(1, community_aggregates_before_delete.posts);
 127     assert_eq!(2, community_aggregates_before_delete.comments);
 128
 129     // Test the other community
 130     let another_community_aggs =
 131       CommunityAggregates::read(conn, another_inserted_community.id).unwrap();
 132     assert_eq!(1, another_community_aggs.subscribers);
 133     assert_eq!(0, another_community_aggs.posts);
 134     assert_eq!(0, another_community_aggs.comments);
 135
 136     // Unfollow test
 137     CommunityFollower::unfollow(conn, &second_person_follow).unwrap();
 138     let after_unfollow = CommunityAggregates::read(conn, inserted_community.id).unwrap();
 139     assert_eq!(1, after_unfollow.subscribers);
 140
 141     // Follow again just for the later tests
 142     CommunityFollower::follow(conn, &second_person_follow).unwrap();
 143     let after_follow_again = CommunityAggregates::read(conn, inserted_community.id).unwrap();
 144     assert_eq!(2, after_follow_again.subscribers);
 145
 146     // Remove a parent comment (the comment count should also be 0)
 147     Post::delete(conn, inserted_post.id).unwrap();
 148     let after_parent_post_delete = CommunityAggregates::read(conn, inserted_community.id).unwrap();
 149     assert_eq!(0, after_parent_post_delete.comments);
 150     assert_eq!(0, after_parent_post_delete.posts);
 151
 152     // Remove the 2nd person
 153     Person::delete(conn, another_inserted_person.id).unwrap();
 154     let after_person_delete = CommunityAggregates::read(conn, inserted_community.id).unwrap();
 155     assert_eq!(1, after_person_delete.subscribers);
 156
 157     // This should delete all the associated rows, and fire triggers
 158     let person_num_deleted = Person::delete(conn, inserted_person.id).unwrap();
 159     assert_eq!(1, person_num_deleted);
 160
 161     // Delete the community
 162     let community_num_deleted = Community::delete(conn, inserted_community.id).unwrap();
 163     assert_eq!(1, community_num_deleted);
 164
 165     let another_community_num_deleted =
 166       Community::delete(conn, another_inserted_community.id).unwrap();
 167     assert_eq!(1, another_community_num_deleted);
 168
 169     // Should be none found, since the creator was deleted
 170     let after_delete = CommunityAggregates::read(conn, inserted_community.id);
 171     assert!(after_delete.is_err());
 172   }
 173 }