lemmy/server/src/actions/comment_view.rs

256 lines
7.3 KiB
Rust
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extern crate diesel;
use diesel::*;
use diesel::result::Error;
use diesel::dsl::*;
use serde::{Deserialize, Serialize};
use { SortType, limit_and_offset };
// The faked schema since diesel doesn't do views
table! {
comment_view (id) {
id -> Int4,
creator_id -> Int4,
post_id -> Int4,
parent_id -> Nullable<Int4>,
content -> Text,
removed -> Nullable<Bool>,
published -> Timestamp,
updated -> Nullable<Timestamp>,
community_id -> Int4,
banned -> Nullable<Bool>,
creator_name -> Varchar,
score -> BigInt,
upvotes -> BigInt,
downvotes -> BigInt,
user_id -> Nullable<Int4>,
my_vote -> Nullable<Int4>,
am_mod -> Nullable<Bool>,
}
}
#[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize,QueryableByName,Clone)]
#[table_name="comment_view"]
pub struct CommentView {
pub id: i32,
pub creator_id: i32,
pub post_id: i32,
pub parent_id: Option<i32>,
pub content: String,
pub removed: Option<bool>,
pub published: chrono::NaiveDateTime,
pub updated: Option<chrono::NaiveDateTime>,
pub community_id: i32,
pub banned: Option<bool>,
pub creator_name: String,
pub score: i64,
pub upvotes: i64,
pub downvotes: i64,
pub user_id: Option<i32>,
pub my_vote: Option<i32>,
pub am_mod: Option<bool>,
}
impl CommentView {
pub fn list(conn: &PgConnection,
sort: &SortType,
for_post_id: Option<i32>,
for_creator_id: Option<i32>,
my_user_id: Option<i32>,
page: Option<i64>,
limit: Option<i64>,
) -> Result<Vec<Self>, Error> {
use actions::comment_view::comment_view::dsl::*;
let (limit, offset) = limit_and_offset(page, limit);
// TODO no limits here?
let mut query = comment_view.into_boxed();
// The view lets you pass a null user_id, if you're not logged in
if let Some(my_user_id) = my_user_id {
query = query.filter(user_id.eq(my_user_id));
} else {
query = query.filter(user_id.is_null());
}
if let Some(for_creator_id) = for_creator_id {
query = query.filter(creator_id.eq(for_creator_id));
};
if let Some(for_post_id) = for_post_id {
query = query.filter(post_id.eq(for_post_id));
};
query = match sort {
// SortType::Hot => query.order_by(hot_rank.desc()),
SortType::New => query.order_by(published.desc()),
SortType::TopAll => query.order_by(score.desc()),
SortType::TopYear => query
.filter(published.gt(now - 1.years()))
.order_by(score.desc()),
SortType::TopMonth => query
.filter(published.gt(now - 1.months()))
.order_by(score.desc()),
SortType::TopWeek => query
.filter(published.gt(now - 1.weeks()))
.order_by(score.desc()),
SortType::TopDay => query
.filter(published.gt(now - 1.days()))
.order_by(score.desc()),
_ => query.order_by(published.desc())
};
query
.limit(limit)
.offset(offset)
.load::<Self>(conn)
}
pub fn read(conn: &PgConnection, from_comment_id: i32, my_user_id: Option<i32>) -> Result<Self, Error> {
use actions::comment_view::comment_view::dsl::*;
let mut query = comment_view.into_boxed();
// The view lets you pass a null user_id, if you're not logged in
if let Some(my_user_id) = my_user_id {
query = query.filter(user_id.eq(my_user_id));
} else {
query = query.filter(user_id.is_null());
}
query = query.filter(id.eq(from_comment_id)).order_by(published.desc());
query.first::<Self>(conn)
}
}
#[cfg(test)]
mod tests {
use establish_connection;
use super::*;
use actions::post::*;
use actions::community::*;
use actions::user::*;
use actions::comment::*;
use {Crud,Likeable};
#[test]
fn test_crud() {
let conn = establish_connection();
let new_user = UserForm {
name: "timmy".into(),
fedi_name: "rrf".into(),
preferred_username: None,
password_encrypted: "nope".into(),
email: None,
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admin: false,
banned: false,
updated: None
};
let inserted_user = User_::create(&conn, &new_user).unwrap();
let new_community = CommunityForm {
name: "test community 5".to_string(),
title: "nada".to_owned(),
description: None,
category_id: 1,
creator_id: inserted_user.id,
removed: None,
updated: None
};
let inserted_community = Community::create(&conn, &new_community).unwrap();
let new_post = PostForm {
name: "A test post 2".into(),
creator_id: inserted_user.id,
url: None,
body: None,
community_id: inserted_community.id,
removed: None,
locked: None,
updated: None
};
let inserted_post = Post::create(&conn, &new_post).unwrap();
let comment_form = CommentForm {
content: "A test comment 32".into(),
creator_id: inserted_user.id,
post_id: inserted_post.id,
parent_id: None,
removed: None,
updated: None
};
let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
let comment_like_form = CommentLikeForm {
comment_id: inserted_comment.id,
post_id: inserted_post.id,
user_id: inserted_user.id,
score: 1
};
let _inserted_comment_like = CommentLike::like(&conn, &comment_like_form).unwrap();
let expected_comment_view_no_user = CommentView {
id: inserted_comment.id,
content: "A test comment 32".into(),
creator_id: inserted_user.id,
post_id: inserted_post.id,
community_id: inserted_community.id,
parent_id: None,
removed: Some(false),
banned: None,
published: inserted_comment.published,
updated: None,
creator_name: inserted_user.name.to_owned(),
score: 1,
downvotes: 0,
upvotes: 1,
user_id: None,
my_vote: None,
am_mod: None,
};
let expected_comment_view_with_user = CommentView {
id: inserted_comment.id,
content: "A test comment 32".into(),
creator_id: inserted_user.id,
post_id: inserted_post.id,
community_id: inserted_community.id,
parent_id: None,
removed: Some(false),
banned: None,
published: inserted_comment.published,
updated: None,
creator_name: inserted_user.name.to_owned(),
score: 1,
downvotes: 0,
upvotes: 1,
user_id: Some(inserted_user.id),
my_vote: Some(1),
am_mod: None,
};
let read_comment_views_no_user = CommentView::list(&conn, &SortType::New, Some(inserted_post.id), None, None, None, None).unwrap();
let read_comment_views_with_user = CommentView::list(&conn, &SortType::New, Some(inserted_post.id), None, Some(inserted_user.id), None, None).unwrap();
let like_removed = CommentLike::remove(&conn, &comment_like_form).unwrap();
let num_deleted = Comment::delete(&conn, inserted_comment.id).unwrap();
Post::delete(&conn, inserted_post.id).unwrap();
Community::delete(&conn, inserted_community.id).unwrap();
User_::delete(&conn, inserted_user.id).unwrap();
assert_eq!(expected_comment_view_no_user, read_comment_views_no_user[0]);
assert_eq!(expected_comment_view_with_user, read_comment_views_with_user[0]);
assert_eq!(1, num_deleted);
assert_eq!(1, like_removed);
}
}