1 use crate::structs::PostView;
12 NullableExpressionMethods,
13 PgTextExpressionMethods,
16 use diesel_async::RunQueryDsl;
17 use lemmy_db_schema::{
18 aggregates::structs::PostAggregates,
19 newtypes::{CommunityId, DbUrl, LocalUserId, PersonId, PostId},
28 person_post_aggregates,
36 community::{Community, CommunityFollower, CommunityPersonBan, CommunitySafe},
37 local_user::LocalUser,
38 person::{Person, PersonSafe},
39 person_block::PersonBlock,
40 post::{Post, PostRead, PostSaved},
42 traits::{ToSafe, ViewToVec},
43 utils::{functions::hot_rank, fuzzy_search, get_conn, limit_and_offset, DbPool},
48 use typed_builder::TypedBuilder;
50 type PostViewTuple = (
54 Option<CommunityPersonBan>,
56 Option<CommunityFollower>,
64 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
70 my_person_id: Option<PersonId>,
71 ) -> Result<Self, Error> {
72 let conn = &mut get_conn(pool).await?;
74 // The left join below will return None in this case
75 let person_id_join = my_person_id.unwrap_or(PersonId(-1));
80 creator_banned_from_community,
90 .inner_join(person::table)
91 .inner_join(community::table)
93 community_person_ban::table.on(
95 .eq(community_person_ban::community_id)
96 .and(community_person_ban::person_id.eq(post::creator_id))
98 community_person_ban::expires
100 .or(community_person_ban::expires.gt(now)),
104 .inner_join(post_aggregates::table)
106 community_follower::table.on(
108 .eq(community_follower::community_id)
109 .and(community_follower::person_id.eq(person_id_join)),
113 post_saved::table.on(
115 .eq(post_saved::post_id)
116 .and(post_saved::person_id.eq(person_id_join)),
122 .eq(post_read::post_id)
123 .and(post_read::person_id.eq(person_id_join)),
127 person_block::table.on(
129 .eq(person_block::target_id)
130 .and(person_block::person_id.eq(person_id_join)),
136 .eq(post_like::post_id)
137 .and(post_like::person_id.eq(person_id_join)),
141 person_post_aggregates::table.on(
143 .eq(person_post_aggregates::post_id)
144 .and(person_post_aggregates::person_id.eq(person_id_join)),
149 Person::safe_columns_tuple(),
150 Community::safe_columns_tuple(),
151 community_person_ban::all_columns.nullable(),
152 post_aggregates::all_columns,
153 community_follower::all_columns.nullable(),
154 post_saved::all_columns.nullable(),
155 post_read::all_columns.nullable(),
156 person_block::all_columns.nullable(),
157 post_like::score.nullable(),
159 post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
160 post_aggregates::comments,
163 .first::<PostViewTuple>(conn)
166 // If a person is given, then my_vote, if None, should be 0, not null
167 // Necessary to differentiate between other person's votes
168 let my_vote = if my_person_id.is_some() && post_like.is_none() {
178 creator_banned_from_community: creator_banned_from_community.is_some(),
180 subscribed: CommunityFollower::to_subscribed_type(&follower),
181 saved: saved.is_some(),
182 read: read.is_some(),
183 creator_blocked: creator_blocked.is_some(),
190 #[derive(TypedBuilder)]
191 #[builder(field_defaults(default))]
192 pub struct PostQuery<'a> {
195 listing_type: Option<ListingType>,
196 sort: Option<SortType>,
197 creator_id: Option<PersonId>,
198 community_id: Option<CommunityId>,
199 community_actor_id: Option<DbUrl>,
200 local_user: Option<&'a LocalUser>,
201 search_term: Option<String>,
202 url_search: Option<String>,
203 saved_only: Option<bool>,
208 impl<'a> PostQuery<'a> {
209 pub async fn list(self) -> Result<Vec<PostView>, Error> {
211 let conn = &mut get_conn(self.pool).await?;
213 // The left join below will return None in this case
214 let person_id_join = self.local_user.map(|l| l.person_id).unwrap_or(PersonId(-1));
215 let local_user_id_join = self.local_user.map(|l| l.id).unwrap_or(LocalUserId(-1));
217 let mut query = post::table
218 .inner_join(person::table)
219 .inner_join(community::table)
221 community_person_ban::table.on(
223 .eq(community_person_ban::community_id)
224 .and(community_person_ban::person_id.eq(post::creator_id))
226 community_person_ban::expires
228 .or(community_person_ban::expires.gt(now)),
232 .inner_join(post_aggregates::table)
234 community_follower::table.on(
236 .eq(community_follower::community_id)
237 .and(community_follower::person_id.eq(person_id_join)),
241 post_saved::table.on(
243 .eq(post_saved::post_id)
244 .and(post_saved::person_id.eq(person_id_join)),
250 .eq(post_read::post_id)
251 .and(post_read::person_id.eq(person_id_join)),
255 person_block::table.on(
257 .eq(person_block::target_id)
258 .and(person_block::person_id.eq(person_id_join)),
262 community_block::table.on(
264 .eq(community_block::community_id)
265 .and(community_block::person_id.eq(person_id_join)),
271 .eq(post_like::post_id)
272 .and(post_like::person_id.eq(person_id_join)),
276 person_post_aggregates::table.on(
278 .eq(person_post_aggregates::post_id)
279 .and(person_post_aggregates::person_id.eq(person_id_join)),
283 local_user_language::table.on(
285 .eq(local_user_language::language_id)
286 .and(local_user_language::local_user_id.eq(local_user_id_join)),
291 Person::safe_columns_tuple(),
292 Community::safe_columns_tuple(),
293 community_person_ban::all_columns.nullable(),
294 post_aggregates::all_columns,
295 community_follower::all_columns.nullable(),
296 post_saved::all_columns.nullable(),
297 post_read::all_columns.nullable(),
298 person_block::all_columns.nullable(),
299 post_like::score.nullable(),
301 post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
302 post_aggregates::comments,
307 if let Some(listing_type) = self.listing_type {
309 ListingType::Subscribed => {
310 query = query.filter(community_follower::person_id.is_not_null())
312 ListingType::Local => {
313 query = query.filter(community::local.eq(true)).filter(
316 .or(community_follower::person_id.eq(person_id_join)),
319 ListingType::All => {
320 query = query.filter(
323 .or(community_follower::person_id.eq(person_id_join)),
329 if let Some(community_id) = self.community_id {
331 .filter(post::community_id.eq(community_id))
332 .then_order_by(post_aggregates::stickied.desc());
335 if let Some(community_actor_id) = self.community_actor_id {
337 .filter(community::actor_id.eq(community_actor_id))
338 .then_order_by(post_aggregates::stickied.desc());
341 if let Some(url_search) = self.url_search {
342 query = query.filter(post::url.eq(url_search));
345 if let Some(search_term) = self.search_term {
346 let searcher = fuzzy_search(&search_term);
347 query = query.filter(
349 .ilike(searcher.to_owned())
350 .or(post::body.ilike(searcher)),
354 // If its for a specific person, show the removed / deleted
355 if let Some(creator_id) = self.creator_id {
356 query = query.filter(post::creator_id.eq(creator_id));
359 if !self.local_user.map(|l| l.show_nsfw).unwrap_or(false) {
361 .filter(post::nsfw.eq(false))
362 .filter(community::nsfw.eq(false));
365 if !self.local_user.map(|l| l.show_bot_accounts).unwrap_or(true) {
366 query = query.filter(person::bot_account.eq(false));
369 if self.saved_only.unwrap_or(false) {
370 query = query.filter(post_saved::id.is_not_null());
372 // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
373 // setting wont be able to see saved posts.
374 else if !self.local_user.map(|l| l.show_read_posts).unwrap_or(true) {
375 query = query.filter(post_read::id.is_null());
378 if self.local_user.is_some() {
379 // Filter out the rows with missing languages
380 query = query.filter(local_user_language::id.is_not_null());
382 // Don't show blocked communities or persons
383 query = query.filter(community_block::person_id.is_null());
384 query = query.filter(person_block::person_id.is_null());
387 query = match self.sort.unwrap_or(SortType::Hot) {
388 SortType::Active => query
391 post_aggregates::score,
392 post_aggregates::newest_comment_time_necro,
396 .then_order_by(post_aggregates::newest_comment_time_necro.desc()),
397 SortType::Hot => query
398 .then_order_by(hot_rank(post_aggregates::score, post_aggregates::published).desc())
399 .then_order_by(post_aggregates::published.desc()),
400 SortType::New => query.then_order_by(post_aggregates::published.desc()),
401 SortType::Old => query.then_order_by(post_aggregates::published.asc()),
402 SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
403 SortType::MostComments => query
404 .then_order_by(post_aggregates::comments.desc())
405 .then_order_by(post_aggregates::published.desc()),
406 SortType::TopAll => query
407 .then_order_by(post_aggregates::score.desc())
408 .then_order_by(post_aggregates::published.desc()),
409 SortType::TopYear => query
410 .filter(post_aggregates::published.gt(now - 1.years()))
411 .then_order_by(post_aggregates::score.desc())
412 .then_order_by(post_aggregates::published.desc()),
413 SortType::TopMonth => query
414 .filter(post_aggregates::published.gt(now - 1.months()))
415 .then_order_by(post_aggregates::score.desc())
416 .then_order_by(post_aggregates::published.desc()),
417 SortType::TopWeek => query
418 .filter(post_aggregates::published.gt(now - 1.weeks()))
419 .then_order_by(post_aggregates::score.desc())
420 .then_order_by(post_aggregates::published.desc()),
421 SortType::TopDay => query
422 .filter(post_aggregates::published.gt(now - 1.days()))
423 .then_order_by(post_aggregates::score.desc())
424 .then_order_by(post_aggregates::published.desc()),
427 let (limit, offset) = limit_and_offset(self.page, self.limit)?;
432 .filter(post::removed.eq(false))
433 .filter(post::deleted.eq(false))
434 .filter(community::removed.eq(false))
435 .filter(community::deleted.eq(false));
437 debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
439 let res = query.load::<PostViewTuple>(conn).await?;
441 Ok(PostView::from_tuple_to_vec(res))
445 impl ViewToVec for PostView {
446 type DbTuple = PostViewTuple;
447 fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
454 creator_banned_from_community: a.3.is_some(),
456 subscribed: CommunityFollower::to_subscribed_type(&a.5),
457 saved: a.6.is_some(),
459 creator_blocked: a.8.is_some(),
461 unread_comments: a.10,
463 .collect::<Vec<Self>>()
469 use crate::post_view::{PostQuery, PostView};
470 use lemmy_db_schema::{
471 aggregates::structs::PostAggregates,
472 newtypes::LanguageId,
474 actor_language::LocalUserLanguage,
476 community_block::{CommunityBlock, CommunityBlockForm},
479 local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
481 person_block::{PersonBlock, PersonBlockForm},
484 traits::{Blockable, Crud, Likeable},
485 utils::{build_db_pool_for_tests, DbPool},
489 use serial_test::serial;
492 inserted_instance: Instance,
493 inserted_person: Person,
494 inserted_local_user: LocalUser,
495 inserted_blocked_person: Person,
496 inserted_bot: Person,
497 inserted_community: Community,
501 async fn init_data(pool: &DbPool) -> Data {
502 let inserted_instance = Instance::create(pool, "my_domain.tld").await.unwrap();
504 let person_name = "tegan".to_string();
506 let new_person = PersonInsertForm::builder()
507 .name(person_name.to_owned())
508 .public_key("pubkey".to_string())
509 .instance_id(inserted_instance.id)
512 let inserted_person = Person::create(pool, &new_person).await.unwrap();
514 let local_user_form = LocalUserInsertForm::builder()
515 .person_id(inserted_person.id)
516 .password_encrypted("".to_string())
518 let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
520 let new_bot = PersonInsertForm::builder()
521 .name("mybot".to_string())
522 .bot_account(Some(true))
523 .public_key("pubkey".to_string())
524 .instance_id(inserted_instance.id)
527 let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
529 let new_community = CommunityInsertForm::builder()
530 .name("test_community_3".to_string())
531 .title("nada".to_owned())
532 .public_key("pubkey".to_string())
533 .instance_id(inserted_instance.id)
536 let inserted_community = Community::create(pool, &new_community).await.unwrap();
538 // Test a person block, make sure the post query doesn't include their post
539 let blocked_person = PersonInsertForm::builder()
541 .public_key("pubkey".to_string())
542 .instance_id(inserted_instance.id)
545 let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
547 let post_from_blocked_person = PostInsertForm::builder()
548 .name("blocked_person_post".to_string())
549 .creator_id(inserted_blocked_person.id)
550 .community_id(inserted_community.id)
551 .language_id(Some(LanguageId(1)))
554 Post::create(pool, &post_from_blocked_person).await.unwrap();
557 let person_block = PersonBlockForm {
558 person_id: inserted_person.id,
559 target_id: inserted_blocked_person.id,
562 PersonBlock::block(pool, &person_block).await.unwrap();
565 let new_post = PostInsertForm::builder()
566 .name("test post 3".to_string())
567 .creator_id(inserted_person.id)
568 .community_id(inserted_community.id)
569 .language_id(Some(LanguageId(47)))
572 let inserted_post = Post::create(pool, &new_post).await.unwrap();
574 let new_bot_post = PostInsertForm::builder()
575 .name("test bot post".to_string())
576 .creator_id(inserted_bot.id)
577 .community_id(inserted_community.id)
580 let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
586 inserted_blocked_person,
595 async fn post_listing_with_person() {
596 let pool = &build_db_pool_for_tests().await;
597 let data = init_data(pool).await;
599 let local_user_form = LocalUserUpdateForm::builder()
600 .show_bot_accounts(Some(false))
602 let inserted_local_user =
603 LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
607 let read_post_listing = PostQuery::builder()
609 .sort(Some(SortType::New))
610 .community_id(Some(data.inserted_community.id))
611 .local_user(Some(&inserted_local_user))
617 let post_listing_single_with_person =
618 PostView::read(pool, data.inserted_post.id, Some(data.inserted_person.id))
622 let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
624 // Should be only one person, IE the bot post, and blocked should be missing
625 assert_eq!(1, read_post_listing.len());
627 assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
628 expected_post_listing_with_user.my_vote = Some(0);
630 expected_post_listing_with_user,
631 post_listing_single_with_person
634 let local_user_form = LocalUserUpdateForm::builder()
635 .show_bot_accounts(Some(true))
637 let inserted_local_user =
638 LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
642 let post_listings_with_bots = PostQuery::builder()
644 .sort(Some(SortType::New))
645 .community_id(Some(data.inserted_community.id))
646 .local_user(Some(&inserted_local_user))
651 // should include bot post which has "undetermined" language
652 assert_eq!(2, post_listings_with_bots.len());
654 cleanup(data, pool).await;
659 async fn post_listing_no_person() {
660 let pool = &build_db_pool_for_tests().await;
661 let data = init_data(pool).await;
663 let read_post_listing_multiple_no_person = PostQuery::builder()
665 .sort(Some(SortType::New))
666 .community_id(Some(data.inserted_community.id))
672 let read_post_listing_single_no_person = PostView::read(pool, data.inserted_post.id, None)
676 let expected_post_listing_no_person = expected_post_view(&data, pool).await;
678 // Should be 2 posts, with the bot post, and the blocked
679 assert_eq!(3, read_post_listing_multiple_no_person.len());
682 expected_post_listing_no_person,
683 read_post_listing_multiple_no_person[1]
686 expected_post_listing_no_person,
687 read_post_listing_single_no_person
690 cleanup(data, pool).await;
695 async fn post_listing_block_community() {
696 let pool = &build_db_pool_for_tests().await;
697 let data = init_data(pool).await;
699 let community_block = CommunityBlockForm {
700 person_id: data.inserted_person.id,
701 community_id: data.inserted_community.id,
703 CommunityBlock::block(pool, &community_block).await.unwrap();
705 let read_post_listings_with_person_after_block = PostQuery::builder()
707 .sort(Some(SortType::New))
708 .community_id(Some(data.inserted_community.id))
709 .local_user(Some(&data.inserted_local_user))
714 // Should be 0 posts after the community block
715 assert_eq!(0, read_post_listings_with_person_after_block.len());
717 CommunityBlock::unblock(pool, &community_block)
720 cleanup(data, pool).await;
725 async fn post_listing_like() {
726 let pool = &build_db_pool_for_tests().await;
727 let data = init_data(pool).await;
729 let post_like_form = PostLikeForm {
730 post_id: data.inserted_post.id,
731 person_id: data.inserted_person.id,
735 let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
737 let expected_post_like = PostLike {
738 id: inserted_post_like.id,
739 post_id: data.inserted_post.id,
740 person_id: data.inserted_person.id,
741 published: inserted_post_like.published,
744 assert_eq!(expected_post_like, inserted_post_like);
746 let like_removed = PostLike::remove(pool, data.inserted_person.id, data.inserted_post.id)
749 assert_eq!(1, like_removed);
750 cleanup(data, pool).await;
755 async fn post_listing_person_language() {
756 let pool = &build_db_pool_for_tests().await;
757 let data = init_data(pool).await;
759 let spanish_id = Language::read_id_from_code(pool, "es").await.unwrap();
760 let post_spanish = PostInsertForm::builder()
761 .name("asffgdsc".to_string())
762 .creator_id(data.inserted_person.id)
763 .community_id(data.inserted_community.id)
764 .language_id(Some(spanish_id))
767 Post::create(pool, &post_spanish).await.unwrap();
769 let post_listings_all = PostQuery::builder()
771 .sort(Some(SortType::New))
772 .local_user(Some(&data.inserted_local_user))
778 // no language filters specified, all posts should be returned
779 assert_eq!(3, post_listings_all.len());
781 let french_id = Language::read_id_from_code(pool, "fr").await.unwrap();
782 LocalUserLanguage::update(pool, vec![french_id], data.inserted_local_user.id)
786 let post_listing_french = PostQuery::builder()
788 .sort(Some(SortType::New))
789 .local_user(Some(&data.inserted_local_user))
795 // only one french language post should be returned
796 assert_eq!(1, post_listing_french.len());
797 assert_eq!(french_id, post_listing_french[0].post.language_id);
799 let undetermined_id = Language::read_id_from_code(pool, "und").await.unwrap();
800 LocalUserLanguage::update(
802 vec![french_id, undetermined_id],
803 data.inserted_local_user.id,
807 let post_listings_french_und = PostQuery::builder()
809 .sort(Some(SortType::New))
810 .local_user(Some(&data.inserted_local_user))
816 // french post and undetermined language post should be returned
817 assert_eq!(2, post_listings_french_und.len());
820 post_listings_french_und[0].post.language_id
822 assert_eq!(french_id, post_listings_french_und[1].post.language_id);
824 cleanup(data, pool).await;
827 async fn cleanup(data: Data, pool: &DbPool) {
828 let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
829 Community::delete(pool, data.inserted_community.id)
832 Person::delete(pool, data.inserted_person.id).await.unwrap();
833 Person::delete(pool, data.inserted_bot.id).await.unwrap();
834 Person::delete(pool, data.inserted_blocked_person.id)
837 Instance::delete(pool, data.inserted_instance.id)
840 assert_eq!(1, num_deleted);
843 async fn expected_post_view(data: &Data, pool: &DbPool) -> PostView {
844 let (inserted_person, inserted_community, inserted_post) = (
845 &data.inserted_person,
846 &data.inserted_community,
849 let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
853 id: inserted_post.id,
854 name: inserted_post.name.clone(),
855 creator_id: inserted_person.id,
858 published: inserted_post.published,
860 community_id: inserted_community.id,
867 embed_description: None,
868 embed_video_url: None,
870 ap_id: inserted_post.ap_id.to_owned(),
872 language_id: LanguageId(47),
876 creator: PersonSafe {
877 id: inserted_person.id,
878 name: inserted_person.name.clone(),
880 published: inserted_person.published,
882 actor_id: inserted_person.actor_id.to_owned(),
891 inbox_url: inserted_person.inbox_url.to_owned(),
892 shared_inbox_url: None,
893 matrix_user_id: None,
895 instance_id: data.inserted_instance.id,
897 creator_banned_from_community: false,
898 community: CommunitySafe {
899 id: inserted_community.id,
900 name: inserted_community.name.clone(),
905 actor_id: inserted_community.actor_id.to_owned(),
907 title: "nada".to_owned(),
912 posting_restricted_to_mods: false,
913 published: inserted_community.published,
914 instance_id: data.inserted_instance.id,
916 counts: PostAggregates {
918 post_id: inserted_post.id,
924 published: agg.published,
925 newest_comment_time_necro: inserted_post.published,
926 newest_comment_time: inserted_post.published,
928 subscribed: SubscribedType::NotSubscribed,
931 creator_blocked: false,