]> Untitled Git - lemmy.git/blob - crates/db_schema/src/aggregates/comment_aggregates.rs
Add diesel_async, get rid of blocking function (#2510)
[lemmy.git] / crates / db_schema / src / aggregates / comment_aggregates.rs
1 use crate::{
2   aggregates::structs::CommentAggregates,
3   newtypes::CommentId,
4   schema::comment_aggregates,
5   utils::{get_conn, DbPool},
6 };
7 use diesel::{result::Error, ExpressionMethods, QueryDsl};
8 use diesel_async::RunQueryDsl;
9
10 impl CommentAggregates {
11   pub async fn read(pool: &DbPool, comment_id: CommentId) -> Result<Self, Error> {
12     let conn = &mut get_conn(pool).await?;
13     comment_aggregates::table
14       .filter(comment_aggregates::comment_id.eq(comment_id))
15       .first::<Self>(conn)
16       .await
17   }
18 }
19
20 #[cfg(test)]
21 mod tests {
22   use crate::{
23     aggregates::comment_aggregates::CommentAggregates,
24     source::{
25       comment::{Comment, CommentInsertForm, CommentLike, CommentLikeForm},
26       community::{Community, CommunityInsertForm},
27       instance::Instance,
28       person::{Person, PersonInsertForm},
29       post::{Post, PostInsertForm},
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_comment_agg".into())
45       .public_key("pubkey".into())
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_comment_agg".into())
53       .public_key("pubkey".into())
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_comment_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 comment_like = CommentLikeForm {
96       comment_id: inserted_comment.id,
97       post_id: inserted_post.id,
98       person_id: inserted_person.id,
99       score: 1,
100     };
101
102     CommentLike::like(pool, &comment_like).await.unwrap();
103
104     let comment_aggs_before_delete = CommentAggregates::read(pool, inserted_comment.id)
105       .await
106       .unwrap();
107
108     assert_eq!(1, comment_aggs_before_delete.score);
109     assert_eq!(1, comment_aggs_before_delete.upvotes);
110     assert_eq!(0, comment_aggs_before_delete.downvotes);
111
112     // Add a post dislike from the other person
113     let comment_dislike = CommentLikeForm {
114       comment_id: inserted_comment.id,
115       post_id: inserted_post.id,
116       person_id: another_inserted_person.id,
117       score: -1,
118     };
119
120     CommentLike::like(pool, &comment_dislike).await.unwrap();
121
122     let comment_aggs_after_dislike = CommentAggregates::read(pool, inserted_comment.id)
123       .await
124       .unwrap();
125
126     assert_eq!(0, comment_aggs_after_dislike.score);
127     assert_eq!(1, comment_aggs_after_dislike.upvotes);
128     assert_eq!(1, comment_aggs_after_dislike.downvotes);
129
130     // Remove the first comment like
131     CommentLike::remove(pool, inserted_person.id, inserted_comment.id)
132       .await
133       .unwrap();
134     let after_like_remove = CommentAggregates::read(pool, inserted_comment.id)
135       .await
136       .unwrap();
137     assert_eq!(-1, after_like_remove.score);
138     assert_eq!(0, after_like_remove.upvotes);
139     assert_eq!(1, after_like_remove.downvotes);
140
141     // Remove the parent post
142     Post::delete(pool, inserted_post.id).await.unwrap();
143
144     // Should be none found, since the post was deleted
145     let after_delete = CommentAggregates::read(pool, inserted_comment.id).await;
146     assert!(after_delete.is_err());
147
148     // This should delete all the associated rows, and fire triggers
149     Person::delete(pool, another_inserted_person.id)
150       .await
151       .unwrap();
152     let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap();
153     assert_eq!(1, person_num_deleted);
154
155     // Delete the community
156     let community_num_deleted = Community::delete(pool, inserted_community.id)
157       .await
158       .unwrap();
159     assert_eq!(1, community_num_deleted);
160
161     Instance::delete(pool, inserted_instance.id).await.unwrap();
162   }
163 }