mirror of https://github.com/LemmyNet/lemmy.git
317 lines
9.7 KiB
Rust
317 lines
9.7 KiB
Rust
use crate::{
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aggregates::structs::PostAggregates,
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newtypes::PostId,
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schema::{community_aggregates, post, post_aggregates},
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utils::{
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functions::{hot_rank, scaled_rank},
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get_conn,
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DbPool,
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},
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};
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use diesel::{result::Error, ExpressionMethods, JoinOnDsl, QueryDsl};
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use diesel_async::RunQueryDsl;
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impl PostAggregates {
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pub async fn read(pool: &mut DbPool<'_>, post_id: PostId) -> Result<Self, Error> {
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let conn = &mut get_conn(pool).await?;
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post_aggregates::table
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.find(post_id)
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.first::<Self>(conn)
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.await
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}
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pub async fn update_ranks(pool: &mut DbPool<'_>, post_id: PostId) -> Result<Self, Error> {
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let conn = &mut get_conn(pool).await?;
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// Diesel can't update based on a join, which is necessary for the scaled_rank
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// https://github.com/diesel-rs/diesel/issues/1478
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// Just select the users_active_month manually for now, since its a single post anyway
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let users_active_month = community_aggregates::table
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.select(community_aggregates::users_active_month)
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.inner_join(post::table.on(community_aggregates::community_id.eq(post::community_id)))
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.filter(post::id.eq(post_id))
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.first::<i64>(conn)
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.await?;
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diesel::update(post_aggregates::table.find(post_id))
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.set((
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post_aggregates::hot_rank.eq(hot_rank(post_aggregates::score, post_aggregates::published)),
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post_aggregates::hot_rank_active.eq(hot_rank(
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post_aggregates::score,
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post_aggregates::newest_comment_time_necro,
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)),
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post_aggregates::scaled_rank.eq(scaled_rank(
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post_aggregates::score,
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post_aggregates::published,
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users_active_month,
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)),
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))
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.get_result::<Self>(conn)
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.await
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}
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}
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#[cfg(test)]
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mod tests {
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#![allow(clippy::unwrap_used)]
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#![allow(clippy::indexing_slicing)]
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use crate::{
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aggregates::post_aggregates::PostAggregates,
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source::{
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comment::{Comment, CommentInsertForm, CommentUpdateForm},
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community::{Community, CommunityInsertForm},
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instance::Instance,
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person::{Person, PersonInsertForm},
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post::{Post, PostInsertForm, PostLike, PostLikeForm},
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},
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traits::{Crud, Likeable},
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utils::build_db_pool_for_tests,
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};
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use pretty_assertions::assert_eq;
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use serial_test::serial;
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#[tokio::test]
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#[serial]
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async fn test_crud() {
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let pool = &build_db_pool_for_tests().await;
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let pool = &mut pool.into();
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let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
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.await
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.unwrap();
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let new_person = PersonInsertForm::builder()
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.name("thommy_community_agg".into())
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.public_key("pubkey".to_string())
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.instance_id(inserted_instance.id)
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.build();
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let inserted_person = Person::create(pool, &new_person).await.unwrap();
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let another_person = PersonInsertForm::builder()
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.name("jerry_community_agg".into())
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.public_key("pubkey".to_string())
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.instance_id(inserted_instance.id)
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.build();
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let another_inserted_person = Person::create(pool, &another_person).await.unwrap();
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let new_community = CommunityInsertForm::builder()
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.name("TIL_community_agg".into())
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.title("nada".to_owned())
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.public_key("pubkey".to_string())
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.instance_id(inserted_instance.id)
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.build();
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let inserted_community = Community::create(pool, &new_community).await.unwrap();
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let new_post = PostInsertForm::builder()
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.name("A test post".into())
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.creator_id(inserted_person.id)
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.community_id(inserted_community.id)
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.build();
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let inserted_post = Post::create(pool, &new_post).await.unwrap();
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let comment_form = CommentInsertForm::builder()
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.content("A test comment".into())
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.creator_id(inserted_person.id)
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.post_id(inserted_post.id)
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.build();
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let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap();
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let child_comment_form = CommentInsertForm::builder()
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.content("A test comment".into())
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.creator_id(inserted_person.id)
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.post_id(inserted_post.id)
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.build();
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let inserted_child_comment =
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Comment::create(pool, &child_comment_form, Some(&inserted_comment.path))
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.await
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.unwrap();
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let post_like = PostLikeForm {
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post_id: inserted_post.id,
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person_id: inserted_person.id,
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score: 1,
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};
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PostLike::like(pool, &post_like).await.unwrap();
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let post_aggs_before_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(2, post_aggs_before_delete.comments);
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assert_eq!(1, post_aggs_before_delete.score);
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assert_eq!(1, post_aggs_before_delete.upvotes);
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assert_eq!(0, post_aggs_before_delete.downvotes);
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// Add a post dislike from the other person
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let post_dislike = PostLikeForm {
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post_id: inserted_post.id,
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person_id: another_inserted_person.id,
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score: -1,
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};
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PostLike::like(pool, &post_dislike).await.unwrap();
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let post_aggs_after_dislike = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(2, post_aggs_after_dislike.comments);
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assert_eq!(0, post_aggs_after_dislike.score);
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assert_eq!(1, post_aggs_after_dislike.upvotes);
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assert_eq!(1, post_aggs_after_dislike.downvotes);
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// Remove the comments
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Comment::delete(pool, inserted_comment.id).await.unwrap();
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Comment::delete(pool, inserted_child_comment.id)
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.await
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.unwrap();
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let after_comment_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(0, after_comment_delete.comments);
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assert_eq!(0, after_comment_delete.score);
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assert_eq!(1, after_comment_delete.upvotes);
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assert_eq!(1, after_comment_delete.downvotes);
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// Remove the first post like
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PostLike::remove(pool, inserted_person.id, inserted_post.id)
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.await
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.unwrap();
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let after_like_remove = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(0, after_like_remove.comments);
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assert_eq!(-1, after_like_remove.score);
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assert_eq!(0, after_like_remove.upvotes);
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assert_eq!(1, after_like_remove.downvotes);
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// This should delete all the associated rows, and fire triggers
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Person::delete(pool, another_inserted_person.id)
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.await
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.unwrap();
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let person_num_deleted = Person::delete(pool, inserted_person.id).await.unwrap();
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assert_eq!(1, person_num_deleted);
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// Delete the community
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let community_num_deleted = Community::delete(pool, inserted_community.id)
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.await
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.unwrap();
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assert_eq!(1, community_num_deleted);
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// Should be none found, since the creator was deleted
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let after_delete = PostAggregates::read(pool, inserted_post.id).await;
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assert!(after_delete.is_err());
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Instance::delete(pool, inserted_instance.id).await.unwrap();
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}
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#[tokio::test]
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#[serial]
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async fn test_soft_delete() {
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let pool = &build_db_pool_for_tests().await;
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let pool = &mut pool.into();
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let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
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.await
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.unwrap();
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let new_person = PersonInsertForm::builder()
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.name("thommy_community_agg".into())
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.public_key("pubkey".to_string())
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.instance_id(inserted_instance.id)
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.build();
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let inserted_person = Person::create(pool, &new_person).await.unwrap();
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let new_community = CommunityInsertForm::builder()
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.name("TIL_community_agg".into())
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.title("nada".to_owned())
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.public_key("pubkey".to_string())
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.instance_id(inserted_instance.id)
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.build();
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let inserted_community = Community::create(pool, &new_community).await.unwrap();
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let new_post = PostInsertForm::builder()
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.name("A test post".into())
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.creator_id(inserted_person.id)
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.community_id(inserted_community.id)
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.build();
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let inserted_post = Post::create(pool, &new_post).await.unwrap();
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let comment_form = CommentInsertForm::builder()
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.content("A test comment".into())
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.creator_id(inserted_person.id)
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.post_id(inserted_post.id)
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.build();
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let inserted_comment = Comment::create(pool, &comment_form, None).await.unwrap();
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let post_aggregates_before = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(1, post_aggregates_before.comments);
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Comment::update(
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pool,
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inserted_comment.id,
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&CommentUpdateForm {
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removed: Some(true),
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..Default::default()
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},
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)
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.await
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.unwrap();
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let post_aggregates_after_remove = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(0, post_aggregates_after_remove.comments);
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Comment::update(
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pool,
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inserted_comment.id,
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&CommentUpdateForm {
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removed: Some(false),
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..Default::default()
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},
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)
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.await
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.unwrap();
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Comment::update(
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pool,
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inserted_comment.id,
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&CommentUpdateForm {
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deleted: Some(true),
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..Default::default()
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},
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)
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.await
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.unwrap();
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let post_aggregates_after_delete = PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(0, post_aggregates_after_delete.comments);
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Comment::update(
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pool,
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inserted_comment.id,
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&CommentUpdateForm {
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removed: Some(true),
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..Default::default()
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},
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)
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.await
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.unwrap();
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let post_aggregates_after_delete_remove =
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PostAggregates::read(pool, inserted_post.id).await.unwrap();
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assert_eq!(0, post_aggregates_after_delete_remove.comments);
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Comment::delete(pool, inserted_comment.id).await.unwrap();
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Post::delete(pool, inserted_post.id).await.unwrap();
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Person::delete(pool, inserted_person.id).await.unwrap();
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Community::delete(pool, inserted_community.id)
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.await
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.unwrap();
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Instance::delete(pool, inserted_instance.id).await.unwrap();
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}
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}
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