lemmy/crates/db_views_actor/src/community_follower_view.rs
dullbananas 1d38aad9d3
Make functions work with both connection and pool (#3420)
* a lot

* merge

* Fix stuff broken by merge

* Get rid of repetitive `&mut *context.conn().await?`

* Add blank lines under each line with `conn =`

* Fix style mistakes (partial)

* Revert "Fix style mistakes (partial)"

This reverts commit 48a033b87f.

* Revert "Add blank lines under each line with `conn =`"

This reverts commit 773a6d3beb.

* Revert "Get rid of repetitive `&mut *context.conn().await?`"

This reverts commit d2c6263ea1.

* Use DbConn for CaptchaAnswer methods

* DbConn trait

* Remove more `&mut *`

* Fix stuff

* Re-run CI

* try to make ci start

* fix

* fix

* Fix api_common::utils

* Fix apub::activities::block

* Fix apub::api::resolve_object

* Fix some things

* Revert "Fix some things"

This reverts commit 2bf8574bc8.

* Revert "Fix apub::api::resolve_object"

This reverts commit 3e4059aabb.

* Revert "Fix apub::activities::block"

This reverts commit 3b02389abd.

* Revert "Fix api_common::utils"

This reverts commit 7dc73de613.

* Revert "Revert "Fix api_common::utils""

This reverts commit f740f115e5.

* Revert "Revert "Fix apub::activities::block""

This reverts commit 2ee206af7c.

* Revert "Revert "Fix apub::api::resolve_object""

This reverts commit 96ed8bf2e9.

* Fix fetch_local_site_data

* Fix get_comment_parent_creator

* Remove unused perma deleted text

* Fix routes::feeds

* Fix lib.rs

* Update lib.rs

* rerun ci

* Attempt to create custom GetConn and RunQueryDsl traits

* Start over

* Add GetConn trait

* aaaa

* Revert "aaaa"

This reverts commit acc9ca1aed.

* Revert "Revert "aaaa""

This reverts commit 443a2a00a5.

* still aaaaaaaaaaaaa

* Return to earlier thing

Revert "Add GetConn trait"

This reverts commit ab4e94aea5.

* Try to use DbPool enum

* Revert "Try to use DbPool enum"

This reverts commit e4d1712646.

* DbConn and DbPool enums (db_schema only fails to compile for tests)

* fmt

* Make functions take `&mut DbPool<'_>` and make db_schema tests compile

* Add try_join_with_pool macro and run fix-clippy on more crates

* Fix some errors

* I did it

* Remove function variants that take connection

* rerun ci

* rerun ci

* rerun ci
2023-07-11 09:09:59 -04:00

79 lines
2.3 KiB
Rust

use crate::structs::CommunityFollowerView;
use diesel::{
dsl::{count_star, not},
result::Error,
sql_function,
ExpressionMethods,
QueryDsl,
};
use diesel_async::RunQueryDsl;
use lemmy_db_schema::{
newtypes::{CommunityId, DbUrl, PersonId},
schema::{community, community_follower, person},
source::{community::Community, person::Person},
traits::JoinView,
utils::{get_conn, DbPool},
};
type CommunityFollowerViewTuple = (Community, Person);
sql_function!(fn coalesce(x: diesel::sql_types::Nullable<diesel::sql_types::Text>, y: diesel::sql_types::Text) -> diesel::sql_types::Text);
impl CommunityFollowerView {
pub async fn get_community_follower_inboxes(
pool: &mut DbPool<'_>,
community_id: CommunityId,
) -> Result<Vec<DbUrl>, Error> {
let conn = &mut get_conn(pool).await?;
let res = community_follower::table
.filter(community_follower::community_id.eq(community_id))
.filter(not(person::local))
.inner_join(person::table)
.select(coalesce(person::shared_inbox_url, person::inbox_url))
.distinct()
.load::<DbUrl>(conn)
.await?;
Ok(res)
}
pub async fn count_community_followers(
pool: &mut DbPool<'_>,
community_id: CommunityId,
) -> Result<i64, Error> {
let conn = &mut get_conn(pool).await?;
let res = community_follower::table
.filter(community_follower::community_id.eq(community_id))
.select(count_star())
.first::<i64>(conn)
.await?;
Ok(res)
}
pub async fn for_person(pool: &mut DbPool<'_>, person_id: PersonId) -> Result<Vec<Self>, Error> {
let conn = &mut get_conn(pool).await?;
let res = community_follower::table
.inner_join(community::table)
.inner_join(person::table)
.select((community::all_columns, person::all_columns))
.filter(community_follower::person_id.eq(person_id))
.filter(community::deleted.eq(false))
.filter(community::removed.eq(false))
.order_by(community::title)
.load::<CommunityFollowerViewTuple>(conn)
.await?;
Ok(res.into_iter().map(Self::from_tuple).collect())
}
}
impl JoinView for CommunityFollowerView {
type JoinTuple = CommunityFollowerViewTuple;
fn from_tuple(a: Self::JoinTuple) -> Self {
Self {
community: a.0,
follower: a.1,
}
}
}