use crate::{ aggregates::structs::PostAggregates, newtypes::PostId, schema::{community_aggregates, post, post_aggregates}, utils::{ functions::{hot_rank, scaled_rank}, get_conn, DbPool, }, }; use diesel::{result::Error, ExpressionMethods, JoinOnDsl, QueryDsl}; use diesel_async::RunQueryDsl; impl PostAggregates { pub async fn read(pool: &mut DbPool<'_>, post_id: PostId) -> Result { let conn = &mut get_conn(pool).await?; post_aggregates::table .find(post_id) .first::(conn) .await } pub async fn update_ranks(pool: &mut DbPool<'_>, post_id: PostId) -> Result { let conn = &mut get_conn(pool).await?; // Diesel can't update based on a join, which is necessary for the scaled_rank // https://github.com/diesel-rs/diesel/issues/1478 // Just select the users_active_month manually for now, since its a single post anyway let users_active_month = community_aggregates::table .select(community_aggregates::users_active_month) .inner_join(post::table.on(community_aggregates::community_id.eq(post::community_id))) .filter(post::id.eq(post_id)) .first::(conn) .await?; diesel::update(post_aggregates::table.find(post_id)) .set(( post_aggregates::hot_rank.eq(hot_rank(post_aggregates::score, post_aggregates::published)), post_aggregates::hot_rank_active.eq(hot_rank( post_aggregates::score, post_aggregates::newest_comment_time_necro, )), post_aggregates::scaled_rank.eq(scaled_rank( post_aggregates::score, post_aggregates::published, users_active_month, )), )) .get_result::(conn) .await } } #[cfg(test)] mod tests { #![allow(clippy::unwrap_used)] #![allow(clippy::indexing_slicing)] use crate::{ aggregates::post_aggregates::PostAggregates, source::{ comment::{Comment, CommentInsertForm, CommentUpdateForm}, community::{Community, CommunityInsertForm}, instance::Instance, person::{Person, PersonInsertForm}, post::{Post, PostInsertForm, PostLike, PostLikeForm}, }, traits::{Crud, Likeable}, utils::build_db_pool_for_tests, }; use serial_test::serial; #[tokio::test] #[serial] async fn test_crud() { let pool = &build_db_pool_for_tests().await; let pool = &mut pool.into(); let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string()) .await .unwrap(); let new_person = PersonInsertForm::builder() .name("thommy_community_agg".into()) .public_key("pubkey".to_string()) .instance_id(inserted_instance.id) .build(); let inserted_person = Person::create(pool, &new_person).await.unwrap(); let another_person = PersonInsertForm::builder() .name("jerry_community_agg".into()) .public_key("pubkey".to_string()) .instance_id(inserted_instance.id) .build(); let another_inserted_person = Person::create(pool, &another_person).await.unwrap(); let new_community = CommunityInsertForm::builder() .name("TIL_community_agg".into()) .title("nada".to_owned()) .public_key("pubkey".to_string()) .instance_id(inserted_instance.id) .build(); let inserted_community = Community::create(pool, &new_community).await.unwrap(); let new_post = PostInsertForm::builder() .name("A test post".into()) .creator_id(inserted_person.id) .community_id(inserted_community.id) .build(); let inserted_post = Post::create(pool, &new_post).await.unwrap(); let comment_form = CommentInsertForm::builder() .content("A test comment".into()) .creator_id(inserted_person.id) .post_id(inserted_post.id) .build(); let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap(); let child_comment_form = CommentInsertForm::builder() .content("A test comment".into()) .creator_id(inserted_person.id) .post_id(inserted_post.id) .build(); let inserted_child_comment = Comment::create(pool, &child_comment_form, Some(&inserted_comment.path)) .await .unwrap(); let post_like = PostLikeForm { post_id: inserted_post.id, person_id: inserted_person.id, score: 1, }; PostLike::like(pool, &post_like).await.unwrap(); let post_aggs_before_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(2, post_aggs_before_delete.comments); assert_eq!(1, post_aggs_before_delete.score); assert_eq!(1, post_aggs_before_delete.upvotes); assert_eq!(0, post_aggs_before_delete.downvotes); // Add a post dislike from the other person let post_dislike = PostLikeForm { post_id: inserted_post.id, person_id: another_inserted_person.id, score: -1, }; PostLike::like(pool, &post_dislike).await.unwrap(); let post_aggs_after_dislike = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(2, post_aggs_after_dislike.comments); assert_eq!(0, post_aggs_after_dislike.score); assert_eq!(1, post_aggs_after_dislike.upvotes); assert_eq!(1, post_aggs_after_dislike.downvotes); // Remove the comments Comment::delete(pool, inserted_comment.id).await.unwrap(); Comment::delete(pool, inserted_child_comment.id) .await .unwrap(); let after_comment_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(0, after_comment_delete.comments); assert_eq!(0, after_comment_delete.score); assert_eq!(1, after_comment_delete.upvotes); assert_eq!(1, after_comment_delete.downvotes); // Remove the first post like PostLike::remove(pool, inserted_person.id, inserted_post.id) .await .unwrap(); let after_like_remove = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(0, after_like_remove.comments); assert_eq!(-1, after_like_remove.score); assert_eq!(0, after_like_remove.upvotes); assert_eq!(1, after_like_remove.downvotes); // This should delete all the associated rows, and fire triggers Person::delete(pool, another_inserted_person.id) .await .unwrap(); let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap(); assert_eq!(1, person_num_deleted); // Delete the community let community_num_deleted = Community::delete(pool, inserted_community.id) .await .unwrap(); assert_eq!(1, community_num_deleted); // Should be none found, since the creator was deleted let after_delete = PostAggregates::read(pool, inserted_post.id).await; assert!(after_delete.is_err()); Instance::delete(pool, inserted_instance.id).await.unwrap(); } #[tokio::test] #[serial] async fn test_soft_delete() { let pool = &build_db_pool_for_tests().await; let pool = &mut pool.into(); let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string()) .await .unwrap(); let new_person = PersonInsertForm::builder() .name("thommy_community_agg".into()) .public_key("pubkey".to_string()) .instance_id(inserted_instance.id) .build(); let inserted_person = Person::create(pool, &new_person).await.unwrap(); let new_community = CommunityInsertForm::builder() .name("TIL_community_agg".into()) .title("nada".to_owned()) .public_key("pubkey".to_string()) .instance_id(inserted_instance.id) .build(); let inserted_community = Community::create(pool, &new_community).await.unwrap(); let new_post = PostInsertForm::builder() .name("A test post".into()) .creator_id(inserted_person.id) .community_id(inserted_community.id) .build(); let inserted_post = Post::create(pool, &new_post).await.unwrap(); let comment_form = CommentInsertForm::builder() .content("A test comment".into()) .creator_id(inserted_person.id) .post_id(inserted_post.id) .build(); let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap(); let post_aggregates_before = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(1, post_aggregates_before.comments); Comment::update( pool, inserted_comment.id, &CommentUpdateForm { removed: Some(true), ..Default::default() }, ) .await .unwrap(); let post_aggregates_after_remove = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(0, post_aggregates_after_remove.comments); Comment::update( pool, inserted_comment.id, &CommentUpdateForm { removed: Some(false), ..Default::default() }, ) .await .unwrap(); Comment::update( pool, inserted_comment.id, &CommentUpdateForm { deleted: Some(true), ..Default::default() }, ) .await .unwrap(); let post_aggregates_after_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(0, post_aggregates_after_delete.comments); Comment::update( pool, inserted_comment.id, &CommentUpdateForm { removed: Some(true), ..Default::default() }, ) .await .unwrap(); let post_aggregates_after_delete_remove = PostAggregates::read(pool, inserted_post.id).await.unwrap(); assert_eq!(0, post_aggregates_after_delete_remove.comments); Comment::delete(pool, inserted_comment.id).await.unwrap(); Post::delete(pool, inserted_post.id).await.unwrap(); Person::delete(pool, inserted_person.id).await.unwrap(); Community::delete(pool, inserted_community.id) .await .unwrap(); Instance::delete(pool, inserted_instance.id).await.unwrap(); } }