lemmy/crates/db_views/src/private_message_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

148 lines
4 KiB
Rust

use crate::structs::PrivateMessageView;
use diesel::{
debug_query,
pg::Pg,
result::Error,
BoolExpressionMethods,
ExpressionMethods,
JoinOnDsl,
QueryDsl,
};
use diesel_async::RunQueryDsl;
use lemmy_db_schema::{
newtypes::{PersonId, PrivateMessageId},
schema::{person, private_message},
source::{person::Person, private_message::PrivateMessage},
traits::JoinView,
utils::{get_conn, limit_and_offset, DbPool},
};
use tracing::debug;
use typed_builder::TypedBuilder;
type PrivateMessageViewTuple = (PrivateMessage, Person, Person);
impl PrivateMessageView {
pub async fn read(
pool: &mut DbPool<'_>,
private_message_id: PrivateMessageId,
) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
let person_alias_1 = diesel::alias!(person as person1);
let (private_message, creator, recipient) = private_message::table
.find(private_message_id)
.inner_join(person::table.on(private_message::creator_id.eq(person::id)))
.inner_join(
person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
)
.order_by(private_message::published.desc())
.select((
private_message::all_columns,
person::all_columns,
person_alias_1.fields(person::all_columns),
))
.first::<PrivateMessageViewTuple>(conn)
.await?;
Ok(PrivateMessageView {
private_message,
creator,
recipient,
})
}
/// Gets the number of unread messages
pub async fn get_unread_messages(
pool: &mut DbPool<'_>,
my_person_id: PersonId,
) -> Result<i64, Error> {
use diesel::dsl::count;
let conn = &mut get_conn(pool).await?;
private_message::table
.filter(private_message::read.eq(false))
.filter(private_message::recipient_id.eq(my_person_id))
.filter(private_message::deleted.eq(false))
.select(count(private_message::id))
.first::<i64>(conn)
.await
}
}
#[derive(TypedBuilder)]
#[builder(field_defaults(default))]
pub struct PrivateMessageQuery<'a, 'b: 'a> {
#[builder(!default)]
pool: &'a mut DbPool<'b>,
#[builder(!default)]
recipient_id: PersonId,
unread_only: Option<bool>,
page: Option<i64>,
limit: Option<i64>,
}
impl<'a, 'b: 'a> PrivateMessageQuery<'a, 'b> {
pub async fn list(self) -> Result<Vec<PrivateMessageView>, Error> {
let conn = &mut get_conn(self.pool).await?;
let person_alias_1 = diesel::alias!(person as person1);
let mut query = private_message::table
.inner_join(person::table.on(private_message::creator_id.eq(person::id)))
.inner_join(
person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
)
.select((
private_message::all_columns,
person::all_columns,
person_alias_1.fields(person::all_columns),
))
.into_boxed();
// If its unread, I only want the ones to me
if self.unread_only.unwrap_or(false) {
query = query
.filter(private_message::read.eq(false))
.filter(private_message::recipient_id.eq(self.recipient_id));
}
// Otherwise, I want the ALL view to show both sent and received
else {
query = query.filter(
private_message::recipient_id
.eq(self.recipient_id)
.or(private_message::creator_id.eq(self.recipient_id)),
)
}
let (limit, offset) = limit_and_offset(self.page, self.limit)?;
query = query
.filter(private_message::deleted.eq(false))
.limit(limit)
.offset(offset)
.order_by(private_message::published.desc());
debug!(
"Private Message View Query: {:?}",
debug_query::<Pg, _>(&query)
);
let res = query.load::<PrivateMessageViewTuple>(conn).await?;
Ok(
res
.into_iter()
.map(PrivateMessageView::from_tuple)
.collect(),
)
}
}
impl JoinView for PrivateMessageView {
type JoinTuple = PrivateMessageViewTuple;
fn from_tuple(a: Self::JoinTuple) -> Self {
Self {
private_message: a.0,
creator: a.1,
recipient: a.2,
}
}
}