lemmy/crates/db_views/src/local_user_view.rs

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Rust
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use crate::structs::LocalUserView;
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use diesel::{result::Error, BoolExpressionMethods, ExpressionMethods, JoinOnDsl, QueryDsl};
use diesel_async::RunQueryDsl;
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use lemmy_db_schema::{
aggregates::structs::PersonAggregates,
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newtypes::{LocalUserId, PersonId},
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schema::{local_user, person, person_aggregates},
source::{local_user::LocalUser, person::Person},
traits::JoinView,
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utils::{functions::lower, get_conn, DbPool},
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};
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type LocalUserViewTuple = (LocalUser, Person, PersonAggregates);
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impl LocalUserView {
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pub async fn read(pool: &DbPool, local_user_id: LocalUserId) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
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let (local_user, person, counts) = local_user::table
.find(local_user_id)
.inner_join(person::table)
.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
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.select((
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local_user::all_columns,
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person::all_columns,
person_aggregates::all_columns,
))
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.first::<LocalUserViewTuple>(conn)
.await?;
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Ok(Self {
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local_user,
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person,
counts,
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})
}
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pub async fn read_person(pool: &DbPool, person_id: PersonId) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
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let (local_user, person, counts) = local_user::table
.filter(person::id.eq(person_id))
.inner_join(person::table)
.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
.select((
local_user::all_columns,
person::all_columns,
person_aggregates::all_columns,
))
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.first::<LocalUserViewTuple>(conn)
.await?;
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Ok(Self {
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local_user,
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person,
counts,
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})
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}
// TODO check where this is used
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pub async fn read_from_name(pool: &DbPool, name: &str) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
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let (local_user, person, counts) = local_user::table
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.filter(person::name.eq(name))
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.inner_join(person::table)
.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
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.select((
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local_user::all_columns,
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person::all_columns,
person_aggregates::all_columns,
))
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.first::<LocalUserViewTuple>(conn)
.await?;
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Ok(Self {
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local_user,
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person,
counts,
})
}
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pub async fn find_by_email_or_name(pool: &DbPool, name_or_email: &str) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
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let (local_user, person, counts) = local_user::table
.inner_join(person::table)
.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
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.filter(
lower(person::name)
.eq(lower(name_or_email))
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.or(local_user::email.eq(name_or_email)),
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)
.select((
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local_user::all_columns,
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person::all_columns,
person_aggregates::all_columns,
))
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.first::<LocalUserViewTuple>(conn)
.await?;
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Ok(Self {
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local_user,
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person,
counts,
})
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}
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pub async fn find_by_email(pool: &DbPool, from_email: &str) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
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let (local_user, person, counts) = local_user::table
.inner_join(person::table)
.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
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.filter(local_user::email.eq(from_email))
.select((
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local_user::all_columns,
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person::all_columns,
person_aggregates::all_columns,
))
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.first::<LocalUserViewTuple>(conn)
.await?;
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Ok(Self {
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local_user,
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person,
counts,
})
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}
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pub async fn list_admins_with_emails(pool: &DbPool) -> Result<Vec<Self>, Error> {
let conn = &mut get_conn(pool).await?;
let res = local_user::table
.filter(person::admin.eq(true))
.filter(local_user::email.is_not_null())
.inner_join(person::table)
.inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
.select((
local_user::all_columns,
person::all_columns,
person_aggregates::all_columns,
))
.load::<LocalUserViewTuple>(conn)
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.await?;
Ok(res.into_iter().map(LocalUserView::from_tuple).collect())
}
}
impl JoinView for LocalUserView {
type JoinTuple = LocalUserViewTuple;
fn from_tuple(a: Self::JoinTuple) -> Self {
Self {
local_user: a.0,
person: a.1,
counts: a.2,
}
}
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}