lemmy/crates/db_views/src/post_report_view.rs

502 lines
15 KiB
Rust

use crate::structs::{LocalUserView, PostReportView};
use diesel::{
pg::Pg,
result::Error,
BoolExpressionMethods,
ExpressionMethods,
JoinOnDsl,
NullableExpressionMethods,
QueryDsl,
};
use diesel_async::RunQueryDsl;
use lemmy_db_schema::{
aliases,
newtypes::{CommunityId, PersonId, PostId, PostReportId},
schema::{
community,
community_follower,
community_moderator,
community_person_ban,
local_user,
person,
person_block,
person_post_aggregates,
post,
post_aggregates,
post_hide,
post_like,
post_read,
post_report,
post_saved,
},
utils::{
functions::coalesce,
get_conn,
limit_and_offset,
DbConn,
DbPool,
ListFn,
Queries,
ReadFn,
},
};
fn queries<'a>() -> Queries<
impl ReadFn<'a, PostReportView, (PostReportId, PersonId)>,
impl ListFn<'a, PostReportView, (PostReportQuery, &'a LocalUserView)>,
> {
let all_joins = |query: post_report::BoxedQuery<'a, Pg>, my_person_id: PersonId| {
query
.inner_join(post::table)
.inner_join(community::table.on(post::community_id.eq(community::id)))
.inner_join(person::table.on(post_report::creator_id.eq(person::id)))
.inner_join(aliases::person1.on(post::creator_id.eq(aliases::person1.field(person::id))))
.left_join(
community_person_ban::table.on(
post::community_id
.eq(community_person_ban::community_id)
.and(community_person_ban::person_id.eq(post::creator_id)),
),
)
.left_join(
aliases::community_moderator1.on(
aliases::community_moderator1
.field(community_moderator::community_id)
.eq(post::community_id)
.and(
aliases::community_moderator1
.field(community_moderator::person_id)
.eq(my_person_id),
),
),
)
.left_join(
local_user::table.on(
post::creator_id
.eq(local_user::person_id)
.and(local_user::admin.eq(true)),
),
)
.left_join(
post_saved::table.on(
post::id
.eq(post_saved::post_id)
.and(post_saved::person_id.eq(my_person_id)),
),
)
.left_join(
post_read::table.on(
post::id
.eq(post_read::post_id)
.and(post_read::person_id.eq(my_person_id)),
),
)
.left_join(
post_hide::table.on(
post::id
.eq(post_hide::post_id)
.and(post_hide::person_id.eq(my_person_id)),
),
)
.left_join(
person_block::table.on(
post::creator_id
.eq(person_block::target_id)
.and(person_block::person_id.eq(my_person_id)),
),
)
.left_join(
person_post_aggregates::table.on(
post::id
.eq(person_post_aggregates::post_id)
.and(person_post_aggregates::person_id.eq(my_person_id)),
),
)
.left_join(
community_follower::table.on(
post::community_id
.eq(community_follower::community_id)
.and(community_follower::person_id.eq(my_person_id)),
),
)
.left_join(
post_like::table.on(
post::id
.eq(post_like::post_id)
.and(post_like::person_id.eq(my_person_id)),
),
)
.inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
.left_join(
aliases::person2
.on(post_report::resolver_id.eq(aliases::person2.field(person::id).nullable())),
)
.select((
post_report::all_columns,
post::all_columns,
community::all_columns,
person::all_columns,
aliases::person1.fields(person::all_columns),
community_person_ban::community_id.nullable().is_not_null(),
aliases::community_moderator1
.field(community_moderator::community_id)
.nullable()
.is_not_null(),
local_user::admin.nullable().is_not_null(),
community_follower::pending.nullable(),
post_saved::post_id.nullable().is_not_null(),
post_read::post_id.nullable().is_not_null(),
post_hide::post_id.nullable().is_not_null(),
person_block::target_id.nullable().is_not_null(),
post_like::score.nullable(),
coalesce(
post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
post_aggregates::comments,
),
post_aggregates::all_columns,
aliases::person2.fields(person::all_columns.nullable()),
))
};
let read = move |mut conn: DbConn<'a>, (report_id, my_person_id): (PostReportId, PersonId)| async move {
all_joins(
post_report::table.find(report_id).into_boxed(),
my_person_id,
)
.first::<PostReportView>(&mut conn)
.await
};
let list = move |mut conn: DbConn<'a>, (options, user): (PostReportQuery, &'a LocalUserView)| async move {
let mut query = all_joins(post_report::table.into_boxed(), user.person.id);
if let Some(community_id) = options.community_id {
query = query.filter(post::community_id.eq(community_id));
}
if let Some(post_id) = options.post_id {
query = query.filter(post::id.eq(post_id));
}
// If viewing all reports, order by newest, but if viewing unresolved only, show the oldest first (FIFO)
if options.unresolved_only {
query = query
.filter(post_report::resolved.eq(false))
.order_by(post_report::published.asc());
} else {
query = query.order_by(post_report::published.desc());
}
let (limit, offset) = limit_and_offset(options.page, options.limit)?;
query = query.limit(limit).offset(offset);
// If its not an admin, get only the ones you mod
if !user.local_user.admin {
query
.inner_join(
community_moderator::table.on(
community_moderator::community_id
.eq(post::community_id)
.and(community_moderator::person_id.eq(user.person.id)),
),
)
.load::<PostReportView>(&mut conn)
.await
} else {
query.load::<PostReportView>(&mut conn).await
}
};
Queries::new(read, list)
}
impl PostReportView {
/// returns the PostReportView for the provided report_id
///
/// * `report_id` - the report id to obtain
pub async fn read(
pool: &mut DbPool<'_>,
report_id: PostReportId,
my_person_id: PersonId,
) -> Result<Self, Error> {
queries().read(pool, (report_id, my_person_id)).await
}
/// returns the current unresolved post report count for the communities you mod
pub async fn get_report_count(
pool: &mut DbPool<'_>,
my_person_id: PersonId,
admin: bool,
community_id: Option<CommunityId>,
) -> Result<i64, Error> {
use diesel::dsl::count;
let conn = &mut get_conn(pool).await?;
let mut query = post_report::table
.inner_join(post::table)
.filter(post_report::resolved.eq(false))
.into_boxed();
if let Some(community_id) = community_id {
query = query.filter(post::community_id.eq(community_id))
}
// If its not an admin, get only the ones you mod
if !admin {
query
.inner_join(
community_moderator::table.on(
community_moderator::community_id
.eq(post::community_id)
.and(community_moderator::person_id.eq(my_person_id)),
),
)
.select(count(post_report::id))
.first::<i64>(conn)
.await
} else {
query
.select(count(post_report::id))
.first::<i64>(conn)
.await
}
}
}
#[derive(Default)]
pub struct PostReportQuery {
pub community_id: Option<CommunityId>,
pub post_id: Option<PostId>,
pub page: Option<i64>,
pub limit: Option<i64>,
pub unresolved_only: bool,
}
impl PostReportQuery {
pub async fn list(
self,
pool: &mut DbPool<'_>,
user: &LocalUserView,
) -> Result<Vec<PostReportView>, Error> {
queries().list(pool, (self, user)).await
}
}
#[cfg(test)]
#[allow(clippy::unwrap_used)]
#[allow(clippy::indexing_slicing)]
mod tests {
use crate::{
post_report_view::{PostReportQuery, PostReportView},
structs::LocalUserView,
};
use lemmy_db_schema::{
assert_length,
source::{
community::{Community, CommunityInsertForm, CommunityModerator, CommunityModeratorForm},
instance::Instance,
local_user::{LocalUser, LocalUserInsertForm},
local_user_vote_display_mode::LocalUserVoteDisplayMode,
person::{Person, PersonInsertForm},
post::{Post, PostInsertForm},
post_report::{PostReport, PostReportForm},
},
traits::{Crud, Joinable, Reportable},
utils::build_db_pool_for_tests,
};
use pretty_assertions::assert_eq;
use serial_test::serial;
#[tokio::test]
#[serial]
async fn test_crud() {
let pool = &build_db_pool_for_tests().await;
let pool = &mut pool.into();
let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
.await
.unwrap();
let new_person = PersonInsertForm::builder()
.name("timmy_prv".into())
.public_key("pubkey".to_string())
.instance_id(inserted_instance.id)
.build();
let inserted_timmy = Person::create(pool, &new_person).await.unwrap();
let new_local_user = LocalUserInsertForm::builder()
.person_id(inserted_timmy.id)
.password_encrypted("123".to_string())
.build();
let timmy_local_user = LocalUser::create(pool, &new_local_user, vec![])
.await
.unwrap();
let timmy_view = LocalUserView {
local_user: timmy_local_user,
local_user_vote_display_mode: LocalUserVoteDisplayMode::default(),
person: inserted_timmy.clone(),
counts: Default::default(),
};
let new_person_2 = PersonInsertForm::builder()
.name("sara_prv".into())
.public_key("pubkey".to_string())
.instance_id(inserted_instance.id)
.build();
let inserted_sara = Person::create(pool, &new_person_2).await.unwrap();
// Add a third person, since new ppl can only report something once.
let new_person_3 = PersonInsertForm::builder()
.name("jessica_prv".into())
.public_key("pubkey".to_string())
.instance_id(inserted_instance.id)
.build();
let inserted_jessica = Person::create(pool, &new_person_3).await.unwrap();
let new_community = CommunityInsertForm::builder()
.name("test community prv".to_string())
.title("nada".to_owned())
.public_key("pubkey".to_string())
.instance_id(inserted_instance.id)
.build();
let inserted_community = Community::create(pool, &new_community).await.unwrap();
// Make timmy a mod
let timmy_moderator_form = CommunityModeratorForm {
community_id: inserted_community.id,
person_id: inserted_timmy.id,
};
let _inserted_moderator = CommunityModerator::join(pool, &timmy_moderator_form)
.await
.unwrap();
let new_post = PostInsertForm::builder()
.name("A test post crv".into())
.creator_id(inserted_timmy.id)
.community_id(inserted_community.id)
.build();
let inserted_post = Post::create(pool, &new_post).await.unwrap();
// sara reports
let sara_report_form = PostReportForm {
creator_id: inserted_sara.id,
post_id: inserted_post.id,
original_post_name: "Orig post".into(),
original_post_url: None,
original_post_body: None,
reason: "from sara".into(),
};
PostReport::report(pool, &sara_report_form).await.unwrap();
let new_post_2 = PostInsertForm::builder()
.name("A test post crv 2".into())
.creator_id(inserted_timmy.id)
.community_id(inserted_community.id)
.build();
let inserted_post_2 = Post::create(pool, &new_post_2).await.unwrap();
// jessica reports
let jessica_report_form = PostReportForm {
creator_id: inserted_jessica.id,
post_id: inserted_post_2.id,
original_post_name: "Orig post".into(),
original_post_url: None,
original_post_body: None,
reason: "from jessica".into(),
};
let inserted_jessica_report = PostReport::report(pool, &jessica_report_form)
.await
.unwrap();
let read_jessica_report_view =
PostReportView::read(pool, inserted_jessica_report.id, inserted_timmy.id)
.await
.unwrap();
assert_eq!(
read_jessica_report_view.post_report,
inserted_jessica_report
);
assert_eq!(read_jessica_report_view.post, inserted_post_2);
assert_eq!(read_jessica_report_view.community.id, inserted_community.id);
assert_eq!(read_jessica_report_view.creator.id, inserted_jessica.id);
assert_eq!(read_jessica_report_view.post_creator.id, inserted_timmy.id);
assert_eq!(read_jessica_report_view.my_vote, None);
assert_eq!(read_jessica_report_view.resolver, None);
// Do a batch read of timmys reports
let reports = PostReportQuery::default()
.list(pool, &timmy_view)
.await
.unwrap();
assert_eq!(reports[1].creator.id, inserted_sara.id);
assert_eq!(reports[0].creator.id, inserted_jessica.id);
// Make sure the counts are correct
let report_count = PostReportView::get_report_count(pool, inserted_timmy.id, false, None)
.await
.unwrap();
assert_eq!(2, report_count);
// Pretend the post was removed, and resolve all reports for that object.
// This is called manually in the API for post removals
PostReport::resolve_all_for_object(pool, inserted_jessica_report.post_id, inserted_timmy.id)
.await
.unwrap();
let read_jessica_report_view_after_resolve =
PostReportView::read(pool, inserted_jessica_report.id, inserted_timmy.id)
.await
.unwrap();
assert!(read_jessica_report_view_after_resolve.post_report.resolved);
assert_eq!(
read_jessica_report_view_after_resolve
.post_report
.resolver_id,
Some(inserted_timmy.id)
);
assert_eq!(
read_jessica_report_view_after_resolve.resolver.unwrap().id,
inserted_timmy.id
);
// Do a batch read of timmys reports
// It should only show saras, which is unresolved
let reports_after_resolve = PostReportQuery {
unresolved_only: true,
..Default::default()
}
.list(pool, &timmy_view)
.await
.unwrap();
assert_length!(1, reports_after_resolve);
assert_eq!(reports_after_resolve[0].creator.id, inserted_sara.id);
// Make sure the counts are correct
let report_count_after_resolved =
PostReportView::get_report_count(pool, inserted_timmy.id, false, None)
.await
.unwrap();
assert_eq!(1, report_count_after_resolved);
Person::delete(pool, inserted_timmy.id).await.unwrap();
Person::delete(pool, inserted_sara.id).await.unwrap();
Person::delete(pool, inserted_jessica.id).await.unwrap();
Community::delete(pool, inserted_community.id)
.await
.unwrap();
Instance::delete(pool, inserted_instance.id).await.unwrap();
}
}