use diesel::{result::Error, *}; use lemmy_db_schema::{schema::person_aggregates, PersonId}; use serde::Serialize; #[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Clone)] #[table_name = "person_aggregates"] pub struct PersonAggregates { pub id: i32, pub person_id: PersonId, pub post_count: i64, pub post_score: i64, pub comment_count: i64, pub comment_score: i64, } impl PersonAggregates { pub fn read(conn: &PgConnection, person_id: PersonId) -> Result { person_aggregates::table .filter(person_aggregates::person_id.eq(person_id)) .first::(conn) } } #[cfg(test)] mod tests { use crate::{ aggregates::person_aggregates::PersonAggregates, establish_unpooled_connection, Crud, Likeable, }; use lemmy_db_schema::source::{ comment::{Comment, CommentForm, CommentLike, CommentLikeForm}, community::{Community, CommunityForm}, person::{Person, PersonForm}, post::{Post, PostForm, PostLike, PostLikeForm}, }; use serial_test::serial; #[test] #[serial] fn test_crud() { let conn = establish_unpooled_connection(); let new_person = PersonForm { name: "thommy_user_agg".into(), ..PersonForm::default() }; let inserted_person = Person::create(&conn, &new_person).unwrap(); let another_person = PersonForm { name: "jerry_user_agg".into(), ..PersonForm::default() }; let another_inserted_person = Person::create(&conn, &another_person).unwrap(); let new_community = CommunityForm { name: "TIL_site_agg".into(), title: "nada".to_owned(), ..CommunityForm::default() }; let inserted_community = Community::create(&conn, &new_community).unwrap(); let new_post = PostForm { name: "A test post".into(), creator_id: inserted_person.id, community_id: inserted_community.id, ..PostForm::default() }; let inserted_post = Post::create(&conn, &new_post).unwrap(); let post_like = PostLikeForm { post_id: inserted_post.id, person_id: inserted_person.id, score: 1, }; let _inserted_post_like = PostLike::like(&conn, &post_like).unwrap(); let comment_form = CommentForm { content: "A test comment".into(), creator_id: inserted_person.id, post_id: inserted_post.id, ..CommentForm::default() }; let inserted_comment = Comment::create(&conn, &comment_form).unwrap(); let mut comment_like = CommentLikeForm { comment_id: inserted_comment.id, person_id: inserted_person.id, post_id: inserted_post.id, score: 1, }; let _inserted_comment_like = CommentLike::like(&conn, &comment_like).unwrap(); let mut child_comment_form = CommentForm { content: "A test comment".into(), creator_id: inserted_person.id, post_id: inserted_post.id, parent_id: Some(inserted_comment.id), ..CommentForm::default() }; let inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap(); let child_comment_like = CommentLikeForm { comment_id: inserted_child_comment.id, person_id: another_inserted_person.id, post_id: inserted_post.id, score: 1, }; let _inserted_child_comment_like = CommentLike::like(&conn, &child_comment_like).unwrap(); let person_aggregates_before_delete = PersonAggregates::read(&conn, inserted_person.id).unwrap(); assert_eq!(1, person_aggregates_before_delete.post_count); assert_eq!(1, person_aggregates_before_delete.post_score); assert_eq!(2, person_aggregates_before_delete.comment_count); assert_eq!(2, person_aggregates_before_delete.comment_score); // Remove a post like PostLike::remove(&conn, inserted_person.id, inserted_post.id).unwrap(); let after_post_like_remove = PersonAggregates::read(&conn, inserted_person.id).unwrap(); assert_eq!(0, after_post_like_remove.post_score); // Remove a parent comment (the scores should also be removed) Comment::delete(&conn, inserted_comment.id).unwrap(); let after_parent_comment_delete = PersonAggregates::read(&conn, inserted_person.id).unwrap(); assert_eq!(0, after_parent_comment_delete.comment_count); assert_eq!(0, after_parent_comment_delete.comment_score); // Add in the two comments again, then delete the post. let new_parent_comment = Comment::create(&conn, &comment_form).unwrap(); child_comment_form.parent_id = Some(new_parent_comment.id); Comment::create(&conn, &child_comment_form).unwrap(); comment_like.comment_id = new_parent_comment.id; CommentLike::like(&conn, &comment_like).unwrap(); let after_comment_add = PersonAggregates::read(&conn, inserted_person.id).unwrap(); assert_eq!(2, after_comment_add.comment_count); assert_eq!(1, after_comment_add.comment_score); Post::delete(&conn, inserted_post.id).unwrap(); let after_post_delete = PersonAggregates::read(&conn, inserted_person.id).unwrap(); assert_eq!(0, after_post_delete.comment_score); assert_eq!(0, after_post_delete.comment_count); assert_eq!(0, after_post_delete.post_score); assert_eq!(0, after_post_delete.post_count); // This should delete all the associated rows, and fire triggers let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap(); assert_eq!(1, person_num_deleted); Person::delete(&conn, another_inserted_person.id).unwrap(); // Delete the community let community_num_deleted = Community::delete(&conn, inserted_community.id).unwrap(); assert_eq!(1, community_num_deleted); // Should be none found let after_delete = PersonAggregates::read(&conn, inserted_person.id); assert!(after_delete.is_err()); } }