lemmy/crates/db_views_actor/src/community_view.rs

216 lines
6.7 KiB
Rust
Raw Normal View History

use crate::structs::{CommunityModeratorView, CommunityView, PersonView};
2022-11-09 10:05:00 +00:00
use diesel::{
pg::Pg,
2022-11-09 10:05:00 +00:00
result::Error,
BoolExpressionMethods,
ExpressionMethods,
JoinOnDsl,
NullableExpressionMethods,
PgTextExpressionMethods,
QueryDsl,
};
use diesel_async::RunQueryDsl;
2021-10-16 13:33:38 +00:00
use lemmy_db_schema::{
newtypes::{CommunityId, PersonId},
schema::{
community,
community_aggregates,
community_block,
community_follower,
instance_block,
local_user,
},
source::{community::CommunityFollower, local_user::LocalUser},
utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
ListingType,
SortType,
};
2020-12-04 16:29:44 +00:00
fn queries<'a>() -> Queries<
impl ReadFn<'a, CommunityView, (CommunityId, Option<PersonId>, bool)>,
impl ListFn<'a, CommunityView, CommunityQuery<'a>>,
> {
let all_joins = |query: community::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
2020-12-06 03:49:15 +00:00
// The left join below will return None in this case
let person_id_join = my_person_id.unwrap_or(PersonId(-1));
2020-12-04 16:29:44 +00:00
query
2020-12-04 21:35:46 +00:00
.inner_join(community_aggregates::table)
2020-12-06 03:49:15 +00:00
.left_join(
community_follower::table.on(
community::id
.eq(community_follower::community_id)
2021-03-10 22:33:55 +00:00
.and(community_follower::person_id.eq(person_id_join)),
2020-12-06 03:49:15 +00:00
),
)
.left_join(
instance_block::table.on(
community::instance_id
.eq(instance_block::instance_id)
.and(instance_block::person_id.eq(person_id_join)),
),
)
.left_join(
community_block::table.on(
community::id
.eq(community_block::community_id)
.and(community_block::person_id.eq(person_id_join)),
),
)
};
let selection = (
community::all_columns,
Reduce amount of columns selected (#3755) * PostAggregatesNotInPost * CommentAggregatesNotInComment * CommunityPersonBanAdditionalInfo (partial) * Revert "CommunityPersonBanAdditionalInfo (partial)" This reverts commit 158f7f0cd9a07392fb1f457ac43c8d7c57e4190d. * Replace some nullable parts of selection with id::nullable().is_not_null() * CommunityFollower::select_subscribed_type * WithoutId * Add WithoutId derives * Update Cargo.toml * rerun ci * Fix syntatx errors * rerun ci * Add missing "|" in private_message_report_view.rs * rerun ci * cargo fmt * rerun ci * Only derive WithoutId for Community with "full" feature * rerun ci * Fix attribute filtering in WithoutId macro * rerun ci * Update without_id.rs * rerun ci * Update without_id.rs * rerun ci * Fix errors * rerun ci * cargo fmt * Fix errors * rerun ci * Move WithoutId to lib.rs * rerun ci * Remove macro_use for paste * rerun ci * Update comment_reply_view.rs * rerun ci * Update registration_application_view.rs * rerun ci * Revert "Update registration_application_view.rs" This reverts commit 2e98e4bb8385b4630ed2d1dfdd8da9a35c0126b2. * Revert "Update comment_reply_view.rs" This reverts commit 857bf9f5a2413ff0e6e6c95e1157e8ce6bf9c0c3. * Revert "Remove macro_use for paste" This reverts commit 13247279ed9090f2d3c5c6525b9611529217d605. * Revert "Move WithoutId to lib.rs" This reverts commit 0c23e5213be1366bb64029e2007e97194e126676. * Revert "Fix errors" This reverts commit a283d155e5622bba0b6df8b07649fc246df8bb77. * Revert "cargo fmt" This reverts commit 36a5210352809b3ca417ec3b869ae4baaca17e16. * Revert "Fix errors" This reverts commit c9102c14f466a5d6175732625e74183579ee2be5. * Revert "Update without_id.rs" This reverts commit 19adb2fcc805f92f6720a439f3b2c80a2b866938. * Revert "Update without_id.rs" This reverts commit e26107a2fe30cc2ec81797830e3a34a1676619e4. * Revert "Fix attribute filtering in WithoutId macro" This reverts commit acaa4902b0e7e33205c5d287cd22b83732a1a401. * Revert "Only derive WithoutId for Community with "full" feature" This reverts commit de0e9c6fdc3c9344998d9d72e5e361a7f009c829. * Revert "cargo fmt" This reverts commit 5e1bd1ce58e997e9431f212fd2ee0283faaf6da3. * Revert "Add missing "|" in private_message_report_view.rs" This reverts commit c7ae9f1cd50dfead0fbc363d93692f82274ff870. * Revert "Fix syntatx errors" This reverts commit d942f099de8128b5a02fe74f5af43a4453a06350. * Revert "Update Cargo.toml" This reverts commit 23cdb6f6d3df6d2db06173f066c117a0c96dd8e1. * Revert "Add WithoutId derives" This reverts commit 06006d6ad338e946410962f4276f67fe5096ad5a. * Revert "WithoutId" This reverts commit 5e86922b0fd5bf08d114a8eee5d1e10b2ea534ee. * Revert "CommentAggregatesNotInComment" This reverts commit 603aede7cecacd246664f7f3f0047202f80d9938. * Revert "PostAggregatesNotInPost" This reverts commit 1ee3fcaeab8705e4e0e849ae6b93b45716aa9cc0. * Restore original position of options.saved_only filter * rerun ci * Update post_view.rs * rerun ci
2023-08-08 09:41:10 +00:00
CommunityFollower::select_subscribed_type(),
Remove id column and use different primary key on some tables (#4093) * post_saved * fmt * remove unique and not null * put person_id first in primary key and remove index * use post_saved.find * change captcha_answer * remove removal of not null * comment_aggregates * comment_like * comment_saved * aggregates * remove "\" * deduplicate site_aggregates * person_post_aggregates * community_moderator * community_block * community_person_ban * custom_emoji_keyword * federation allow/block list * federation_queue_state * instance_block * local_site_rate_limit, local_user_language, login_token * person_ban, person_block, person_follower, post_like, post_read, received_activity * community_follower, community_language, site_language * fmt * image_upload * remove unused newtypes * remove more indexes * use .find * merge * fix site_aggregates_site function * fmt * Primary keys dess (#17) * Also order reports by oldest first (ref #4123) (#4129) * Support signed fetch for federation (fixes #868) (#4125) * Support signed fetch for federation (fixes #868) * taplo * add federation queue state to get_federated_instances api (#4104) * add federation queue state to get_federated_instances api * feature gate * move retry sleep function * move stuff around * Add UI setting for collapsing bot comments. Fixes #3838 (#4098) * Add UI setting for collapsing bot comments. Fixes #3838 * Fixing clippy check. * Only keep sent and received activities for 7 days (fixes #4113, fixes #4110) (#4131) * Only check auth secure on release mode. (#4127) * Only check auth secure on release mode. * Fixing wrong js-client. * Adding is_debug_mode var. * Fixing the desktop image on the README. (#4135) * Delete dupes and add possibly missing unique constraint on person_aggregates. * Fixing clippy lints. --------- Co-authored-by: Nutomic <me@nutomic.com> Co-authored-by: phiresky <phireskyde+git@gmail.com> * fmt * Update community_block.rs * Update instance_block.rs * Update person_block.rs * Update person_block.rs --------- Co-authored-by: Dessalines <dessalines@users.noreply.github.com> Co-authored-by: Nutomic <me@nutomic.com> Co-authored-by: phiresky <phireskyde+git@gmail.com>
2023-11-13 13:14:07 +00:00
community_block::community_id.nullable().is_not_null(),
community_aggregates::all_columns,
);
let not_removed_or_deleted = community::removed
.eq(false)
.and(community::deleted.eq(false));
let read = move |mut conn: DbConn<'a>,
(community_id, my_person_id, is_mod_or_admin): (
CommunityId,
Option<PersonId>,
bool,
)| async move {
let mut query = all_joins(
community::table.find(community_id).into_boxed(),
my_person_id,
)
.select(selection);
// Hide deleted and removed for non-admins or mods
if !is_mod_or_admin {
query = query.filter(not_removed_or_deleted);
}
query.first::<CommunityView>(&mut conn).await
};
2020-12-06 03:49:15 +00:00
let list = move |mut conn: DbConn<'a>, options: CommunityQuery<'a>| async move {
use SortType::*;
let my_person_id = options.local_user.map(|l| l.person_id);
2022-11-09 10:05:00 +00:00
// The left join below will return None in this case
let person_id_join = my_person_id.unwrap_or(PersonId(-1));
let mut query = all_joins(community::table.into_boxed(), my_person_id)
.left_join(local_user::table.on(local_user::person_id.eq(person_id_join)))
.select(selection);
if let Some(search_term) = options.search_term {
2020-12-06 03:49:15 +00:00
let searcher = fuzzy_search(&search_term);
query = query
.filter(community::name.ilike(searcher.clone()))
.or_filter(community::title.ilike(searcher))
}
2020-12-06 03:49:15 +00:00
// Hide deleted and removed for non-admins or mods
if !options.is_mod_or_admin {
query = query.filter(not_removed_or_deleted).filter(
community::hidden
.eq(false)
.or(community_follower::person_id.eq(person_id_join)),
);
}
match options.sort.unwrap_or(Hot) {
Hot | Active | Scaled => query = query.order_by(community_aggregates::hot_rank.desc()),
NewComments | TopDay | TopTwelveHour | TopSixHour | TopHour => {
query = query.order_by(community_aggregates::users_active_day.desc())
}
New => query = query.order_by(community::published.desc()),
Old => query = query.order_by(community::published.asc()),
// Controversial is temporary until a CommentSortType is created
MostComments | Controversial => query = query.order_by(community_aggregates::comments.desc()),
TopAll | TopYear | TopNineMonths => {
query = query.order_by(community_aggregates::subscribers.desc())
}
TopSixMonths | TopThreeMonths => {
query = query.order_by(community_aggregates::users_active_half_year.desc())
}
TopMonth => query = query.order_by(community_aggregates::users_active_month.desc()),
TopWeek => query = query.order_by(community_aggregates::users_active_week.desc()),
2020-12-06 03:49:15 +00:00
};
if let Some(listing_type) = options.listing_type {
query = match listing_type {
Reduce amount of columns selected (#3755) * PostAggregatesNotInPost * CommentAggregatesNotInComment * CommunityPersonBanAdditionalInfo (partial) * Revert "CommunityPersonBanAdditionalInfo (partial)" This reverts commit 158f7f0cd9a07392fb1f457ac43c8d7c57e4190d. * Replace some nullable parts of selection with id::nullable().is_not_null() * CommunityFollower::select_subscribed_type * WithoutId * Add WithoutId derives * Update Cargo.toml * rerun ci * Fix syntatx errors * rerun ci * Add missing "|" in private_message_report_view.rs * rerun ci * cargo fmt * rerun ci * Only derive WithoutId for Community with "full" feature * rerun ci * Fix attribute filtering in WithoutId macro * rerun ci * Update without_id.rs * rerun ci * Update without_id.rs * rerun ci * Fix errors * rerun ci * cargo fmt * Fix errors * rerun ci * Move WithoutId to lib.rs * rerun ci * Remove macro_use for paste * rerun ci * Update comment_reply_view.rs * rerun ci * Update registration_application_view.rs * rerun ci * Revert "Update registration_application_view.rs" This reverts commit 2e98e4bb8385b4630ed2d1dfdd8da9a35c0126b2. * Revert "Update comment_reply_view.rs" This reverts commit 857bf9f5a2413ff0e6e6c95e1157e8ce6bf9c0c3. * Revert "Remove macro_use for paste" This reverts commit 13247279ed9090f2d3c5c6525b9611529217d605. * Revert "Move WithoutId to lib.rs" This reverts commit 0c23e5213be1366bb64029e2007e97194e126676. * Revert "Fix errors" This reverts commit a283d155e5622bba0b6df8b07649fc246df8bb77. * Revert "cargo fmt" This reverts commit 36a5210352809b3ca417ec3b869ae4baaca17e16. * Revert "Fix errors" This reverts commit c9102c14f466a5d6175732625e74183579ee2be5. * Revert "Update without_id.rs" This reverts commit 19adb2fcc805f92f6720a439f3b2c80a2b866938. * Revert "Update without_id.rs" This reverts commit e26107a2fe30cc2ec81797830e3a34a1676619e4. * Revert "Fix attribute filtering in WithoutId macro" This reverts commit acaa4902b0e7e33205c5d287cd22b83732a1a401. * Revert "Only derive WithoutId for Community with "full" feature" This reverts commit de0e9c6fdc3c9344998d9d72e5e361a7f009c829. * Revert "cargo fmt" This reverts commit 5e1bd1ce58e997e9431f212fd2ee0283faaf6da3. * Revert "Add missing "|" in private_message_report_view.rs" This reverts commit c7ae9f1cd50dfead0fbc363d93692f82274ff870. * Revert "Fix syntatx errors" This reverts commit d942f099de8128b5a02fe74f5af43a4453a06350. * Revert "Update Cargo.toml" This reverts commit 23cdb6f6d3df6d2db06173f066c117a0c96dd8e1. * Revert "Add WithoutId derives" This reverts commit 06006d6ad338e946410962f4276f67fe5096ad5a. * Revert "WithoutId" This reverts commit 5e86922b0fd5bf08d114a8eee5d1e10b2ea534ee. * Revert "CommentAggregatesNotInComment" This reverts commit 603aede7cecacd246664f7f3f0047202f80d9938. * Revert "PostAggregatesNotInPost" This reverts commit 1ee3fcaeab8705e4e0e849ae6b93b45716aa9cc0. * Restore original position of options.saved_only filter * rerun ci * Update post_view.rs * rerun ci
2023-08-08 09:41:10 +00:00
ListingType::Subscribed => query.filter(community_follower::pending.is_not_null()), // TODO could be this: and(community_follower::person_id.eq(person_id_join)),
ListingType::Local => query.filter(community::local.eq(true)),
_ => query,
};
}
// Don't show blocked communities and communities on blocked instances. nsfw communities are
// also hidden (based on profile setting)
if options.local_user.is_some() {
query = query.filter(instance_block::person_id.is_null());
query = query.filter(community_block::person_id.is_null());
query = query.filter(community::nsfw.eq(false).or(local_user::show_nsfw.eq(true)));
} else {
2023-06-27 10:45:26 +00:00
// No person in request, only show nsfw communities if show_nsfw is passed into request
if !options.show_nsfw {
query = query.filter(community::nsfw.eq(false));
}
}
let (limit, offset) = limit_and_offset(options.page, options.limit)?;
query
2020-12-06 03:49:15 +00:00
.limit(limit)
.offset(offset)
.load::<CommunityView>(&mut conn)
.await
};
Queries::new(read, list)
}
impl CommunityView {
pub async fn read(
pool: &mut DbPool<'_>,
community_id: CommunityId,
my_person_id: Option<PersonId>,
is_mod_or_admin: bool,
) -> Result<Self, Error> {
queries()
.read(pool, (community_id, my_person_id, is_mod_or_admin))
.await
}
pub async fn is_mod_or_admin(
pool: &mut DbPool<'_>,
person_id: PersonId,
community_id: CommunityId,
) -> Result<bool, Error> {
let is_mod =
CommunityModeratorView::is_community_moderator(pool, community_id, person_id).await?;
if is_mod {
return Ok(true);
}
2020-12-06 03:49:15 +00:00
PersonView::is_admin(pool, person_id).await
}
}
#[derive(Default)]
pub struct CommunityQuery<'a> {
pub listing_type: Option<ListingType>,
pub sort: Option<SortType>,
pub local_user: Option<&'a LocalUser>,
pub search_term: Option<String>,
pub is_mod_or_admin: bool,
pub show_nsfw: bool,
pub page: Option<i64>,
pub limit: Option<i64>,
}
impl<'a> CommunityQuery<'a> {
pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<CommunityView>, Error> {
queries().list(pool, self).await
2020-12-06 03:49:15 +00:00
}
}