mirror of https://github.com/LemmyNet/lemmy.git
118 lines
3.7 KiB
Rust
118 lines
3.7 KiB
Rust
use crate::structs::LocalUserView;
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use actix_web::{dev::Payload, FromRequest, HttpMessage, HttpRequest};
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use diesel::{result::Error, BoolExpressionMethods, ExpressionMethods, JoinOnDsl, QueryDsl};
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use diesel_async::RunQueryDsl;
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use lemmy_db_schema::{
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newtypes::{LocalUserId, PersonId},
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schema::{local_user, person, person_aggregates},
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utils::{functions::lower, DbConn, DbPool, ListFn, Queries, ReadFn},
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};
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use lemmy_utils::error::{LemmyError, LemmyErrorType};
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use std::future::{ready, Ready};
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enum ReadBy<'a> {
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Id(LocalUserId),
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Person(PersonId),
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Name(&'a str),
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NameOrEmail(&'a str),
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Email(&'a str),
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}
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enum ListMode {
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AdminsWithEmails,
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}
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fn queries<'a>(
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) -> Queries<impl ReadFn<'a, LocalUserView, ReadBy<'a>>, impl ListFn<'a, LocalUserView, ListMode>> {
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let selection = (
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local_user::all_columns,
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person::all_columns,
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person_aggregates::all_columns,
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);
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let read = move |mut conn: DbConn<'a>, search: ReadBy<'a>| async move {
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let mut query = local_user::table.into_boxed();
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query = match search {
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ReadBy::Id(local_user_id) => query.filter(local_user::id.eq(local_user_id)),
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ReadBy::Email(from_email) => query.filter(local_user::email.eq(from_email)),
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_ => query,
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};
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let mut query = query.inner_join(person::table);
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query = match search {
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ReadBy::Person(person_id) => query.filter(person::id.eq(person_id)),
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ReadBy::Name(name) => query.filter(lower(person::name).eq(name.to_lowercase())),
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ReadBy::NameOrEmail(name_or_email) => query.filter(
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lower(person::name)
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.eq(lower(name_or_email))
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.or(local_user::email.eq(name_or_email)),
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),
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_ => query,
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};
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query
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.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
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.select(selection)
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.first::<LocalUserView>(&mut conn)
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.await
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};
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let list = move |mut conn: DbConn<'a>, mode: ListMode| async move {
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match mode {
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ListMode::AdminsWithEmails => {
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local_user::table
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.filter(local_user::email.is_not_null())
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.filter(local_user::admin.eq(true))
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.inner_join(person::table)
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.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
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.select(selection)
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.load::<LocalUserView>(&mut conn)
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.await
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}
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}
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};
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Queries::new(read, list)
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}
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impl LocalUserView {
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pub async fn read(pool: &mut DbPool<'_>, local_user_id: LocalUserId) -> Result<Self, Error> {
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queries().read(pool, ReadBy::Id(local_user_id)).await
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}
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pub async fn read_person(pool: &mut DbPool<'_>, person_id: PersonId) -> Result<Self, Error> {
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queries().read(pool, ReadBy::Person(person_id)).await
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}
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pub async fn read_from_name(pool: &mut DbPool<'_>, name: &str) -> Result<Self, Error> {
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queries().read(pool, ReadBy::Name(name)).await
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}
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pub async fn find_by_email_or_name(
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pool: &mut DbPool<'_>,
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name_or_email: &str,
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) -> Result<Self, Error> {
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queries()
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.read(pool, ReadBy::NameOrEmail(name_or_email))
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.await
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}
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pub async fn find_by_email(pool: &mut DbPool<'_>, from_email: &str) -> Result<Self, Error> {
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queries().read(pool, ReadBy::Email(from_email)).await
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}
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pub async fn list_admins_with_emails(pool: &mut DbPool<'_>) -> Result<Vec<Self>, Error> {
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queries().list(pool, ListMode::AdminsWithEmails).await
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}
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}
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impl FromRequest for LocalUserView {
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type Error = LemmyError;
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type Future = Ready<Result<Self, Self::Error>>;
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fn from_request(req: &HttpRequest, _payload: &mut Payload) -> Self::Future {
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ready(match req.extensions().get::<LocalUserView>() {
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Some(c) => Ok(c.clone()),
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None => Err(LemmyErrorType::IncorrectLogin.into()),
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})
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}
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}
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