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lemmy/server/lemmy_db/src/post_view.rs
nutomic 1870dc8cd9 Split lemmy_utils into multiple files (#96) 
Update dependencies

Move send_local_notifs into lemmy_api_structs (ref #1115)

Split lemmy_utils into multiple files

Co-authored-by: Felix Ableitner <me@nutomic.com>
Reviewed-on: https://yerbamate.dev/LemmyNet/lemmy/pulls/96
2020-09-14 15:29:50 +00:00

639 lines
18 KiB
Rust
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use super::post_view::post_fast_view::BoxedQuery;
use crate::{fuzzy_search, limit_and_offset, ListingType, MaybeOptional, SortType};
use diesel::{dsl::*, pg::Pg, result::Error, *};
use serde::Serialize;
// The faked schema since diesel doesn't do views
table! {
post_view (id) {
id -> Int4,
name -> Varchar,
url -> Nullable<Text>,
body -> Nullable<Text>,
creator_id -> Int4,
community_id -> Int4,
removed -> Bool,
locked -> Bool,
published -> Timestamp,
updated -> Nullable<Timestamp>,
deleted -> Bool,
nsfw -> Bool,
stickied -> Bool,
embed_title -> Nullable<Text>,
embed_description -> Nullable<Text>,
embed_html -> Nullable<Text>,
thumbnail_url -> Nullable<Text>,
ap_id -> Text,
local -> Bool,
creator_actor_id -> Text,
creator_local -> Bool,
creator_name -> Varchar,
creator_preferred_username -> Nullable<Varchar>,
creator_published -> Timestamp,
creator_avatar -> Nullable<Text>,
banned -> Bool,
banned_from_community -> Bool,
community_actor_id -> Text,
community_local -> Bool,
community_name -> Varchar,
community_icon -> Nullable<Text>,
community_removed -> Bool,
community_deleted -> Bool,
community_nsfw -> Bool,
number_of_comments -> BigInt,
score -> BigInt,
upvotes -> BigInt,
downvotes -> BigInt,
hot_rank -> Int4,
hot_rank_active -> Int4,
newest_activity_time -> Timestamp,
user_id -> Nullable<Int4>,
my_vote -> Nullable<Int4>,
subscribed -> Nullable<Bool>,
read -> Nullable<Bool>,
saved -> Nullable<Bool>,
}
}
table! {
post_fast_view (id) {
id -> Int4,
name -> Varchar,
url -> Nullable<Text>,
body -> Nullable<Text>,
creator_id -> Int4,
community_id -> Int4,
removed -> Bool,
locked -> Bool,
published -> Timestamp,
updated -> Nullable<Timestamp>,
deleted -> Bool,
nsfw -> Bool,
stickied -> Bool,
embed_title -> Nullable<Text>,
embed_description -> Nullable<Text>,
embed_html -> Nullable<Text>,
thumbnail_url -> Nullable<Text>,
ap_id -> Text,
local -> Bool,
creator_actor_id -> Text,
creator_local -> Bool,
creator_name -> Varchar,
creator_preferred_username -> Nullable<Varchar>,
creator_published -> Timestamp,
creator_avatar -> Nullable<Text>,
banned -> Bool,
banned_from_community -> Bool,
community_actor_id -> Text,
community_local -> Bool,
community_name -> Varchar,
community_icon -> Nullable<Text>,
community_removed -> Bool,
community_deleted -> Bool,
community_nsfw -> Bool,
number_of_comments -> BigInt,
score -> BigInt,
upvotes -> BigInt,
downvotes -> BigInt,
hot_rank -> Int4,
hot_rank_active -> Int4,
newest_activity_time -> Timestamp,
user_id -> Nullable<Int4>,
my_vote -> Nullable<Int4>,
subscribed -> Nullable<Bool>,
read -> Nullable<Bool>,
saved -> Nullable<Bool>,
}
}
#[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, QueryableByName, Clone)]
#[table_name = "post_fast_view"]
pub struct PostView {
pub id: i32,
pub name: String,
pub url: Option<String>,
pub body: Option<String>,
pub creator_id: i32,
pub community_id: i32,
pub removed: bool,
pub locked: bool,
pub published: chrono::NaiveDateTime,
pub updated: Option<chrono::NaiveDateTime>,
pub deleted: bool,
pub nsfw: bool,
pub stickied: bool,
pub embed_title: Option<String>,
pub embed_description: Option<String>,
pub embed_html: Option<String>,
pub thumbnail_url: Option<String>,
pub ap_id: String,
pub local: bool,
pub creator_actor_id: String,
pub creator_local: bool,
pub creator_name: String,
pub creator_preferred_username: Option<String>,
pub creator_published: chrono::NaiveDateTime,
pub creator_avatar: Option<String>,
pub banned: bool,
pub banned_from_community: bool,
pub community_actor_id: String,
pub community_local: bool,
pub community_name: String,
pub community_icon: Option<String>,
pub community_removed: bool,
pub community_deleted: bool,
pub community_nsfw: bool,
pub number_of_comments: i64,
pub score: i64,
pub upvotes: i64,
pub downvotes: i64,
pub hot_rank: i32,
pub hot_rank_active: i32,
pub newest_activity_time: chrono::NaiveDateTime,
pub user_id: Option<i32>,
pub my_vote: Option<i32>,
pub subscribed: Option<bool>,
pub read: Option<bool>,
pub saved: Option<bool>,
}
pub struct PostQueryBuilder<'a> {
conn: &'a PgConnection,
query: BoxedQuery<'a, Pg>,
listing_type: ListingType,
sort: &'a SortType,
my_user_id: Option<i32>,
for_creator_id: Option<i32>,
for_community_id: Option<i32>,
for_community_name: Option<String>,
search_term: Option<String>,
url_search: Option<String>,
show_nsfw: bool,
saved_only: bool,
unread_only: bool,
page: Option<i64>,
limit: Option<i64>,
}
impl<'a> PostQueryBuilder<'a> {
pub fn create(conn: &'a PgConnection) -> Self {
use super::post_view::post_fast_view::dsl::*;
let query = post_fast_view.into_boxed();
PostQueryBuilder {
conn,
query,
listing_type: ListingType::All,
sort: &SortType::Hot,
my_user_id: None,
for_creator_id: None,
for_community_id: None,
for_community_name: None,
search_term: None,
url_search: None,
show_nsfw: true,
saved_only: false,
unread_only: false,
page: None,
limit: None,
}
}
pub fn listing_type(mut self, listing_type: ListingType) -> Self {
self.listing_type = listing_type;
self
}
pub fn sort(mut self, sort: &'a SortType) -> Self {
self.sort = sort;
self
}
pub fn for_community_id<T: MaybeOptional<i32>>(mut self, for_community_id: T) -> Self {
self.for_community_id = for_community_id.get_optional();
self
}
pub fn for_community_name<T: MaybeOptional<String>>(mut self, for_community_name: T) -> Self {
self.for_community_name = for_community_name.get_optional();
self
}
pub fn for_creator_id<T: MaybeOptional<i32>>(mut self, for_creator_id: T) -> Self {
self.for_creator_id = for_creator_id.get_optional();
self
}
pub fn search_term<T: MaybeOptional<String>>(mut self, search_term: T) -> Self {
self.search_term = search_term.get_optional();
self
}
pub fn url_search<T: MaybeOptional<String>>(mut self, url_search: T) -> Self {
self.url_search = url_search.get_optional();
self
}
pub fn my_user_id<T: MaybeOptional<i32>>(mut self, my_user_id: T) -> Self {
self.my_user_id = my_user_id.get_optional();
self
}
pub fn show_nsfw(mut self, show_nsfw: bool) -> Self {
self.show_nsfw = show_nsfw;
self
}
pub fn saved_only(mut self, saved_only: bool) -> Self {
self.saved_only = saved_only;
self
}
pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
self.page = page.get_optional();
self
}
pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
self.limit = limit.get_optional();
self
}
pub fn list(self) -> Result<Vec<PostView>, Error> {
use super::post_view::post_fast_view::dsl::*;
let mut query = self.query;
query = match self.listing_type {
ListingType::Subscribed => query.filter(subscribed.eq(true)),
ListingType::Local => query.filter(community_local.eq(true)),
_ => query,
};
if let Some(for_community_id) = self.for_community_id {
query = query.filter(community_id.eq(for_community_id));
query = query.then_order_by(stickied.desc());
}
if let Some(for_community_name) = self.for_community_name {
query = query.filter(community_name.eq(for_community_name));
query = query.then_order_by(stickied.desc());
}
if let Some(url_search) = self.url_search {
query = query.filter(url.eq(url_search));
}
if let Some(search_term) = self.search_term {
let searcher = fuzzy_search(&search_term);
query = query
.filter(name.ilike(searcher.to_owned()))
.or_filter(body.ilike(searcher));
}
query = match self.sort {
SortType::Active => query
.then_order_by(hot_rank_active.desc())
.then_order_by(published.desc()),
SortType::Hot => query
.then_order_by(hot_rank.desc())
.then_order_by(published.desc()),
SortType::New => query.then_order_by(published.desc()),
SortType::TopAll => query.then_order_by(score.desc()),
SortType::TopYear => query
.filter(published.gt(now - 1.years()))
.then_order_by(score.desc()),
SortType::TopMonth => query
.filter(published.gt(now - 1.months()))
.then_order_by(score.desc()),
SortType::TopWeek => query
.filter(published.gt(now - 1.weeks()))
.then_order_by(score.desc()),
SortType::TopDay => query
.filter(published.gt(now - 1.days()))
.then_order_by(score.desc()),
};
// The view lets you pass a null user_id, if you're not logged in
query = if let Some(my_user_id) = self.my_user_id {
query.filter(user_id.eq(my_user_id))
} else {
query.filter(user_id.is_null())
};
// If its for a specific user, show the removed / deleted
if let Some(for_creator_id) = self.for_creator_id {
query = query.filter(creator_id.eq(for_creator_id));
} else {
query = query
.filter(removed.eq(false))
.filter(deleted.eq(false))
.filter(community_removed.eq(false))
.filter(community_deleted.eq(false));
}
if !self.show_nsfw {
query = query
.filter(nsfw.eq(false))
.filter(community_nsfw.eq(false));
};
// TODO these are wrong, bc they'll only show saved for your logged in user, not theirs
if self.saved_only {
query = query.filter(saved.eq(true));
};
if self.unread_only {
query = query.filter(read.eq(false));
};
let (limit, offset) = limit_and_offset(self.page, self.limit);
query = query
.limit(limit)
.offset(offset)
.filter(removed.eq(false))
.filter(deleted.eq(false))
.filter(community_removed.eq(false))
.filter(community_deleted.eq(false));
query.load::<PostView>(self.conn)
}
}
impl PostView {
pub fn read(
conn: &PgConnection,
from_post_id: i32,
my_user_id: Option<i32>,
) -> Result<Self, Error> {
use super::post_view::post_fast_view::dsl::*;
use diesel::prelude::*;
let mut query = post_fast_view.into_boxed();
query = query.filter(id.eq(from_post_id));
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.first::<Self>(conn)
}
}
#[cfg(test)]
mod tests {
use crate::{
community::*,
post::*,
post_view::*,
tests::establish_unpooled_connection,
user::*,
Crud,
Likeable,
*,
};
#[test]
fn test_crud() {
let conn = establish_unpooled_connection();
let user_name = "tegan".to_string();
let community_name = "test_community_3".to_string();
let post_name = "test post 3".to_string();
let new_user = UserForm {
name: user_name.to_owned(),
preferred_username: None,
password_encrypted: "nope".into(),
email: None,
matrix_user_id: None,
avatar: None,
banner: None,
updated: None,
admin: false,
banned: false,
show_nsfw: false,
theme: "darkly".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 new_community = CommunityForm {
name: community_name.to_owned(),
title: "nada".to_owned(),
description: None,
creator_id: inserted_user.id,
category_id: 1,
removed: None,
deleted: None,
updated: None,
nsfw: false,
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: post_name.to_owned(),
url: None,
body: None,
creator_id: inserted_user.id,
community_id: inserted_community.id,
removed: None,
deleted: None,
locked: None,
stickied: None,
updated: None,
nsfw: false,
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_form = PostLikeForm {
post_id: inserted_post.id,
user_id: inserted_user.id,
score: 1,
};
let inserted_post_like = PostLike::like(&conn, &post_like_form).unwrap();
let expected_post_like = PostLike {
id: inserted_post_like.id,
post_id: inserted_post.id,
user_id: inserted_user.id,
published: inserted_post_like.published,
score: 1,
};
let read_post_listings_with_user = PostQueryBuilder::create(&conn)
.listing_type(ListingType::Community)
.sort(&SortType::New)
.for_community_id(inserted_community.id)
.my_user_id(inserted_user.id)
.list()
.unwrap();
let read_post_listings_no_user = PostQueryBuilder::create(&conn)
.listing_type(ListingType::Community)
.sort(&SortType::New)
.for_community_id(inserted_community.id)
.list()
.unwrap();
let read_post_listing_no_user = PostView::read(&conn, inserted_post.id, None).unwrap();
let read_post_listing_with_user =
PostView::read(&conn, inserted_post.id, Some(inserted_user.id)).unwrap();
// the non user version
let expected_post_listing_no_user = PostView {
user_id: None,
my_vote: None,
id: inserted_post.id,
name: post_name.to_owned(),
url: None,
body: None,
creator_id: inserted_user.id,
creator_name: user_name.to_owned(),
creator_preferred_username: None,
creator_published: inserted_user.published,
creator_avatar: None,
banned: false,
banned_from_community: false,
community_id: inserted_community.id,
removed: false,
deleted: false,
locked: false,
stickied: false,
community_name: community_name.to_owned(),
community_icon: None,
community_removed: false,
community_deleted: false,
community_nsfw: false,
number_of_comments: 0,
score: 1,
upvotes: 1,
downvotes: 0,
hot_rank: read_post_listing_no_user.hot_rank,
hot_rank_active: read_post_listing_no_user.hot_rank_active,
published: inserted_post.published,
newest_activity_time: inserted_post.published,
updated: None,
subscribed: None,
read: None,
saved: None,
nsfw: false,
embed_title: None,
embed_description: None,
embed_html: None,
thumbnail_url: None,
ap_id: inserted_post.ap_id.to_owned(),
local: true,
creator_actor_id: inserted_user.actor_id.to_owned(),
creator_local: true,
community_actor_id: inserted_community.actor_id.to_owned(),
community_local: true,
};
let expected_post_listing_with_user = PostView {
user_id: Some(inserted_user.id),
my_vote: Some(1),
id: inserted_post.id,
name: post_name,
url: None,
body: None,
removed: false,
deleted: false,
locked: false,
stickied: false,
creator_id: inserted_user.id,
creator_name: user_name,
creator_preferred_username: None,
creator_published: inserted_user.published,
creator_avatar: None,
banned: false,
banned_from_community: false,
community_id: inserted_community.id,
community_name,
community_icon: None,
community_removed: false,
community_deleted: false,
community_nsfw: false,
number_of_comments: 0,
score: 1,
upvotes: 1,
downvotes: 0,
hot_rank: read_post_listing_with_user.hot_rank,
hot_rank_active: read_post_listing_with_user.hot_rank_active,
published: inserted_post.published,
newest_activity_time: inserted_post.published,
updated: None,
subscribed: Some(false),
read: Some(false),
saved: Some(false),
nsfw: false,
embed_title: None,
embed_description: None,
embed_html: None,
thumbnail_url: None,
ap_id: inserted_post.ap_id.to_owned(),
local: true,
creator_actor_id: inserted_user.actor_id.to_owned(),
creator_local: true,
community_actor_id: inserted_community.actor_id.to_owned(),
community_local: true,
};
let like_removed = PostLike::remove(&conn, inserted_user.id, inserted_post.id).unwrap();
let num_deleted = Post::delete(&conn, inserted_post.id).unwrap();
Community::delete(&conn, inserted_community.id).unwrap();
User_::delete(&conn, inserted_user.id).unwrap();
// The with user
assert_eq!(
expected_post_listing_with_user,
read_post_listings_with_user[0]
);
assert_eq!(expected_post_listing_with_user, read_post_listing_with_user);
assert_eq!(1, read_post_listings_with_user.len());
// Without the user
assert_eq!(expected_post_listing_no_user, read_post_listings_no_user[0]);
assert_eq!(expected_post_listing_no_user, read_post_listing_no_user);
assert_eq!(1, read_post_listings_no_user.len());
// assert_eq!(expected_post, inserted_post);
// assert_eq!(expected_post, updated_post);
assert_eq!(expected_post_like, inserted_post_like);
assert_eq!(1, like_removed);
assert_eq!(1, num_deleted);
}
}
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