lemmy/lemmy_db/src/aggregates/user_aggregates.rs

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use diesel::{result::Error, *};
use lemmy_db_schema::schema::user_aggregates;
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use serde::Serialize;
#[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Clone)]
#[table_name = "user_aggregates"]
pub struct UserAggregates {
pub id: i32,
pub user_id: i32,
pub post_count: i64,
pub post_score: i64,
pub comment_count: i64,
pub comment_score: i64,
}
impl UserAggregates {
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pub fn read(conn: &PgConnection, user_id: i32) -> Result<Self, Error> {
user_aggregates::table
.filter(user_aggregates::user_id.eq(user_id))
.first::<Self>(conn)
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}
}
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#[cfg(test)]
mod tests {
use crate::{
aggregates::user_aggregates::UserAggregates,
tests::establish_unpooled_connection,
Crud,
Likeable,
ListingType,
SortType,
};
use lemmy_db_schema::source::{
comment::{Comment, CommentForm, CommentLike, CommentLikeForm},
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community::{Community, CommunityForm},
post::{Post, PostForm, PostLike, PostLikeForm},
user::{UserForm, User_},
};
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#[test]
fn test_crud() {
let conn = establish_unpooled_connection();
let new_user = UserForm {
name: "thommy_user_agg".into(),
preferred_username: None,
password_encrypted: "nope".into(),
email: None,
matrix_user_id: None,
avatar: None,
banner: None,
admin: false,
banned: Some(false),
published: None,
updated: None,
show_nsfw: false,
theme: "browser".into(),
default_sort_type: SortType::Hot as i16,
default_listing_type: ListingType::Subscribed as i16,
lang: "browser".into(),
show_avatars: true,
send_notifications_to_email: false,
actor_id: None,
bio: None,
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
};
let inserted_user = User_::create(&conn, &new_user).unwrap();
let another_user = UserForm {
name: "jerry_user_agg".into(),
preferred_username: None,
password_encrypted: "nope".into(),
email: None,
matrix_user_id: None,
avatar: None,
banner: None,
admin: false,
banned: Some(false),
published: None,
updated: None,
show_nsfw: false,
theme: "browser".into(),
default_sort_type: SortType::Hot as i16,
default_listing_type: ListingType::Subscribed as i16,
lang: "browser".into(),
show_avatars: true,
send_notifications_to_email: false,
actor_id: None,
bio: None,
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
};
let another_inserted_user = User_::create(&conn, &another_user).unwrap();
let new_community = CommunityForm {
name: "TIL_site_agg".into(),
creator_id: inserted_user.id,
title: "nada".to_owned(),
description: None,
category_id: 1,
nsfw: false,
removed: None,
deleted: None,
updated: None,
actor_id: None,
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
published: None,
icon: None,
banner: None,
};
let inserted_community = Community::create(&conn, &new_community).unwrap();
let new_post = PostForm {
name: "A test post".into(),
url: None,
body: None,
creator_id: inserted_user.id,
community_id: inserted_community.id,
removed: None,
deleted: None,
locked: None,
stickied: None,
nsfw: false,
updated: None,
embed_title: None,
embed_description: None,
embed_html: None,
thumbnail_url: None,
ap_id: None,
local: true,
published: None,
};
let inserted_post = Post::create(&conn, &new_post).unwrap();
let post_like = PostLikeForm {
post_id: inserted_post.id,
user_id: inserted_user.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_user.id,
post_id: inserted_post.id,
removed: None,
deleted: None,
read: None,
parent_id: None,
published: None,
updated: None,
ap_id: None,
local: true,
};
let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
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let mut comment_like = CommentLikeForm {
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comment_id: inserted_comment.id,
user_id: inserted_user.id,
post_id: inserted_post.id,
score: 1,
};
let _inserted_comment_like = CommentLike::like(&conn, &comment_like).unwrap();
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let mut child_comment_form = CommentForm {
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content: "A test comment".into(),
creator_id: inserted_user.id,
post_id: inserted_post.id,
removed: None,
deleted: None,
read: None,
parent_id: Some(inserted_comment.id),
published: None,
updated: None,
ap_id: None,
local: true,
};
let inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
let child_comment_like = CommentLikeForm {
comment_id: inserted_child_comment.id,
user_id: another_inserted_user.id,
post_id: inserted_post.id,
score: 1,
};
let _inserted_child_comment_like = CommentLike::like(&conn, &child_comment_like).unwrap();
let user_aggregates_before_delete = UserAggregates::read(&conn, inserted_user.id).unwrap();
assert_eq!(1, user_aggregates_before_delete.post_count);
assert_eq!(1, user_aggregates_before_delete.post_score);
assert_eq!(2, user_aggregates_before_delete.comment_count);
assert_eq!(2, user_aggregates_before_delete.comment_score);
// Remove a post like
PostLike::remove(&conn, inserted_user.id, inserted_post.id).unwrap();
let after_post_like_remove = UserAggregates::read(&conn, inserted_user.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 = UserAggregates::read(&conn, inserted_user.id).unwrap();
assert_eq!(0, after_parent_comment_delete.comment_count);
assert_eq!(0, after_parent_comment_delete.comment_score);
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// 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 = UserAggregates::read(&conn, inserted_user.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 = UserAggregates::read(&conn, inserted_user.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);
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// This should delete all the associated rows, and fire triggers
let user_num_deleted = User_::delete(&conn, inserted_user.id).unwrap();
assert_eq!(1, user_num_deleted);
User_::delete(&conn, another_inserted_user.id).unwrap();
// Should be none found
let after_delete = UserAggregates::read(&conn, inserted_user.id);
assert!(after_delete.is_err());
}
}