lemmy/server/lemmy_db/src/user_view.rs

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use super::user_view::user_fast::BoxedQuery;
use crate::{fuzzy_search, limit_and_offset, MaybeOptional, SortType};
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use diesel::{dsl::*, pg::Pg, result::Error, *};
use serde::{Deserialize, Serialize};
table! {
user_view (id) {
id -> Int4,
actor_id -> Text,
name -> Varchar,
avatar -> Nullable<Text>,
email -> Nullable<Text>,
matrix_user_id -> Nullable<Text>,
bio -> Nullable<Text>,
local -> Bool,
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admin -> Bool,
banned -> Bool,
show_avatars -> Bool,
send_notifications_to_email -> Bool,
published -> Timestamp,
number_of_posts -> BigInt,
post_score -> BigInt,
number_of_comments -> BigInt,
comment_score -> BigInt,
}
}
table! {
user_fast (id) {
id -> Int4,
actor_id -> Text,
name -> Varchar,
avatar -> Nullable<Text>,
email -> Nullable<Text>,
matrix_user_id -> Nullable<Text>,
bio -> Nullable<Text>,
local -> Bool,
admin -> Bool,
banned -> Bool,
show_avatars -> Bool,
send_notifications_to_email -> Bool,
published -> Timestamp,
number_of_posts -> BigInt,
post_score -> BigInt,
number_of_comments -> BigInt,
comment_score -> BigInt,
}
}
#[derive(
Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize, QueryableByName, Clone,
)]
#[table_name = "user_fast"]
pub struct UserView {
pub id: i32,
pub actor_id: String,
pub name: String,
pub avatar: Option<String>,
pub email: Option<String>, // TODO this shouldn't be in this view
pub matrix_user_id: Option<String>,
pub bio: Option<String>,
pub local: bool,
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pub admin: bool,
pub banned: bool,
pub show_avatars: bool, // TODO this is a setting, probably doesn't need to be here
pub send_notifications_to_email: bool, // TODO also never used
pub published: chrono::NaiveDateTime,
pub number_of_posts: i64,
pub post_score: i64,
pub number_of_comments: i64,
pub comment_score: i64,
}
pub struct UserQueryBuilder<'a> {
conn: &'a PgConnection,
query: BoxedQuery<'a, Pg>,
sort: &'a SortType,
page: Option<i64>,
limit: Option<i64>,
}
impl<'a> UserQueryBuilder<'a> {
pub fn create(conn: &'a PgConnection) -> Self {
use super::user_view::user_fast::dsl::*;
let query = user_fast.into_boxed();
UserQueryBuilder {
conn,
query,
sort: &SortType::Hot,
page: None,
limit: None,
}
}
pub fn sort(mut self, sort: &'a SortType) -> Self {
self.sort = sort;
self
}
pub fn search_term<T: MaybeOptional<String>>(mut self, search_term: T) -> Self {
use super::user_view::user_fast::dsl::*;
if let Some(search_term) = search_term.get_optional() {
self.query = self.query.filter(name.ilike(fuzzy_search(&search_term)));
}
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<UserView>, Error> {
use super::user_view::user_fast::dsl::*;
let mut query = self.query;
query = match self.sort {
SortType::Hot => query
.order_by(comment_score.desc())
.then_order_by(published.desc()),
SortType::New => query.order_by(published.desc()),
SortType::TopAll => query.order_by(comment_score.desc()),
SortType::TopYear => query
.filter(published.gt(now - 1.years()))
.order_by(comment_score.desc()),
SortType::TopMonth => query
.filter(published.gt(now - 1.months()))
.order_by(comment_score.desc()),
SortType::TopWeek => query
.filter(published.gt(now - 1.weeks()))
.order_by(comment_score.desc()),
SortType::TopDay => query
.filter(published.gt(now - 1.days()))
.order_by(comment_score.desc()),
};
let (limit, offset) = limit_and_offset(self.page, self.limit);
query = query.limit(limit).offset(offset);
query.load::<UserView>(self.conn)
}
}
impl UserView {
pub fn read(conn: &PgConnection, from_user_id: i32) -> Result<Self, Error> {
use super::user_view::user_fast::dsl::*;
user_fast.find(from_user_id).first::<Self>(conn)
}
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pub fn admins(conn: &PgConnection) -> Result<Vec<Self>, Error> {
use super::user_view::user_fast::dsl::*;
use diesel::sql_types::{Nullable, Text};
user_fast
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// The select is necessary here to not get back emails
.select((
id,
actor_id,
name,
avatar,
"".into_sql::<Nullable<Text>>(),
matrix_user_id,
bio,
local,
admin,
banned,
show_avatars,
send_notifications_to_email,
published,
number_of_posts,
post_score,
number_of_comments,
comment_score,
))
.filter(admin.eq(true))
.order_by(published)
.load::<Self>(conn)
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}
pub fn banned(conn: &PgConnection) -> Result<Vec<Self>, Error> {
use super::user_view::user_fast::dsl::*;
use diesel::sql_types::{Nullable, Text};
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user_fast
.select((
id,
actor_id,
name,
avatar,
"".into_sql::<Nullable<Text>>(),
matrix_user_id,
bio,
local,
admin,
banned,
show_avatars,
send_notifications_to_email,
published,
number_of_posts,
post_score,
number_of_comments,
comment_score,
))
.filter(banned.eq(true))
.load::<Self>(conn)
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}
}