1 use diesel::{pg::Pg, result::Error, *};
2 use lemmy_db_queries::{
3 aggregates::post_aggregates::PostAggregates,
13 use lemmy_db_schema::{
26 community::{Community, CommunityFollower, CommunityPersonBan, CommunitySafe},
27 person::{Person, PersonSafe},
28 post::{Post, PostRead, PostSaved},
38 #[derive(Debug, PartialEq, Serialize, Clone)]
41 pub creator: PersonSafe,
42 pub community: CommunitySafe,
43 pub creator_banned_from_community: bool, // Left Join to CommunityPersonBan
44 pub counts: PostAggregates,
45 pub subscribed: bool, // Left join to CommunityFollower
46 pub saved: bool, // Left join to PostSaved
47 pub read: bool, // Left join to PostRead
48 pub my_vote: Option<i16>, // Left join to PostLike
51 type PostViewTuple = (
55 Option<CommunityPersonBan>,
57 Option<CommunityFollower>,
67 my_person_id: Option<PersonId>,
68 ) -> Result<Self, Error> {
69 // The left join below will return None in this case
70 let person_id_join = my_person_id.unwrap_or(PersonId(-1));
76 creator_banned_from_community,
84 .inner_join(person::table)
85 .inner_join(community::table)
87 community_person_ban::table.on(
89 .eq(community_person_ban::community_id)
90 .and(community_person_ban::person_id.eq(post::creator_id)),
93 .inner_join(post_aggregates::table)
95 community_follower::table.on(
97 .eq(community_follower::community_id)
98 .and(community_follower::person_id.eq(person_id_join)),
102 post_saved::table.on(
104 .eq(post_saved::post_id)
105 .and(post_saved::person_id.eq(person_id_join)),
111 .eq(post_read::post_id)
112 .and(post_read::person_id.eq(person_id_join)),
118 .eq(post_like::post_id)
119 .and(post_like::person_id.eq(person_id_join)),
124 Person::safe_columns_tuple(),
125 Community::safe_columns_tuple(),
126 community_person_ban::all_columns.nullable(),
127 post_aggregates::all_columns,
128 community_follower::all_columns.nullable(),
129 post_saved::all_columns.nullable(),
130 post_read::all_columns.nullable(),
131 post_like::score.nullable(),
133 .first::<PostViewTuple>(conn)?;
135 // If a person is given, then my_vote, if None, should be 0, not null
136 // Necessary to differentiate between other person's votes
137 let my_vote = if my_person_id.is_some() && post_like.is_none() {
147 creator_banned_from_community: creator_banned_from_community.is_some(),
149 subscribed: follower.is_some(),
150 saved: saved.is_some(),
151 read: read.is_some(),
157 pub struct PostQueryBuilder<'a> {
158 conn: &'a PgConnection,
159 listing_type: Option<ListingType>,
160 sort: Option<SortType>,
161 creator_id: Option<PersonId>,
162 community_id: Option<CommunityId>,
163 community_actor_id: Option<DbUrl>,
164 my_person_id: Option<PersonId>,
165 search_term: Option<String>,
166 url_search: Option<String>,
167 show_nsfw: Option<bool>,
168 show_bot_accounts: Option<bool>,
169 show_read_posts: Option<bool>,
170 saved_only: Option<bool>,
175 impl<'a> PostQueryBuilder<'a> {
176 pub fn create(conn: &'a PgConnection) -> Self {
183 community_actor_id: None,
188 show_bot_accounts: None,
189 show_read_posts: None,
196 pub fn listing_type<T: MaybeOptional<ListingType>>(mut self, listing_type: T) -> Self {
197 self.listing_type = listing_type.get_optional();
201 pub fn sort<T: MaybeOptional<SortType>>(mut self, sort: T) -> Self {
202 self.sort = sort.get_optional();
206 pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
207 self.community_id = community_id.get_optional();
211 pub fn my_person_id<T: MaybeOptional<PersonId>>(mut self, my_person_id: T) -> Self {
212 self.my_person_id = my_person_id.get_optional();
216 pub fn community_actor_id<T: MaybeOptional<DbUrl>>(mut self, community_actor_id: T) -> Self {
217 self.community_actor_id = community_actor_id.get_optional();
221 pub fn creator_id<T: MaybeOptional<PersonId>>(mut self, creator_id: T) -> Self {
222 self.creator_id = creator_id.get_optional();
226 pub fn search_term<T: MaybeOptional<String>>(mut self, search_term: T) -> Self {
227 self.search_term = search_term.get_optional();
231 pub fn url_search<T: MaybeOptional<String>>(mut self, url_search: T) -> Self {
232 self.url_search = url_search.get_optional();
236 pub fn show_nsfw<T: MaybeOptional<bool>>(mut self, show_nsfw: T) -> Self {
237 self.show_nsfw = show_nsfw.get_optional();
241 pub fn show_bot_accounts<T: MaybeOptional<bool>>(mut self, show_bot_accounts: T) -> Self {
242 self.show_bot_accounts = show_bot_accounts.get_optional();
246 pub fn show_read_posts<T: MaybeOptional<bool>>(mut self, show_read_posts: T) -> Self {
247 self.show_read_posts = show_read_posts.get_optional();
251 pub fn saved_only<T: MaybeOptional<bool>>(mut self, saved_only: T) -> Self {
252 self.saved_only = saved_only.get_optional();
256 pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
257 self.page = page.get_optional();
261 pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
262 self.limit = limit.get_optional();
266 pub fn list(self) -> Result<Vec<PostView>, Error> {
269 // The left join below will return None in this case
270 let person_id_join = self.my_person_id.unwrap_or(PersonId(-1));
272 let mut query = post::table
273 .inner_join(person::table)
274 .inner_join(community::table)
276 community_person_ban::table.on(
278 .eq(community_person_ban::community_id)
279 .and(community_person_ban::person_id.eq(post::creator_id)),
282 .inner_join(post_aggregates::table)
284 community_follower::table.on(
286 .eq(community_follower::community_id)
287 .and(community_follower::person_id.eq(person_id_join)),
291 post_saved::table.on(
293 .eq(post_saved::post_id)
294 .and(post_saved::person_id.eq(person_id_join)),
300 .eq(post_read::post_id)
301 .and(post_read::person_id.eq(person_id_join)),
307 .eq(post_like::post_id)
308 .and(post_like::person_id.eq(person_id_join)),
313 Person::safe_columns_tuple(),
314 Community::safe_columns_tuple(),
315 community_person_ban::all_columns.nullable(),
316 post_aggregates::all_columns,
317 community_follower::all_columns.nullable(),
318 post_saved::all_columns.nullable(),
319 post_read::all_columns.nullable(),
320 post_like::score.nullable(),
324 if let Some(listing_type) = self.listing_type {
325 query = match listing_type {
326 ListingType::Subscribed => query.filter(community_follower::person_id.is_not_null()),
327 ListingType::Local => query.filter(community::local.eq(true)),
332 if let Some(community_id) = self.community_id {
334 .filter(post::community_id.eq(community_id))
335 .then_order_by(post_aggregates::stickied.desc());
338 if let Some(community_actor_id) = self.community_actor_id {
340 .filter(community::actor_id.eq(community_actor_id))
341 .then_order_by(post_aggregates::stickied.desc());
344 if let Some(url_search) = self.url_search {
345 query = query.filter(post::url.eq(url_search));
348 if let Some(search_term) = self.search_term {
349 let searcher = fuzzy_search(&search_term);
350 query = query.filter(
352 .ilike(searcher.to_owned())
353 .or(post::body.ilike(searcher)),
357 // If its for a specific person, show the removed / deleted
358 if let Some(creator_id) = self.creator_id {
359 query = query.filter(post::creator_id.eq(creator_id));
362 if !self.show_nsfw.unwrap_or(false) {
364 .filter(post::nsfw.eq(false))
365 .filter(community::nsfw.eq(false));
368 if !self.show_bot_accounts.unwrap_or(true) {
369 query = query.filter(person::bot_account.eq(false));
372 if !self.show_read_posts.unwrap_or(true) {
373 query = query.filter(post_read::id.is_null());
376 if self.saved_only.unwrap_or(false) {
377 query = query.filter(post_saved::id.is_not_null());
380 query = match self.sort.unwrap_or(SortType::Hot) {
381 SortType::Active => query
384 post_aggregates::score,
385 post_aggregates::newest_comment_time_necro,
389 .then_order_by(post_aggregates::newest_comment_time_necro.desc()),
390 SortType::Hot => query
391 .then_order_by(hot_rank(post_aggregates::score, post_aggregates::published).desc())
392 .then_order_by(post_aggregates::published.desc()),
393 SortType::New => query.then_order_by(post_aggregates::published.desc()),
394 SortType::MostComments => query.then_order_by(post_aggregates::comments.desc()),
395 SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
396 SortType::TopAll => query.then_order_by(post_aggregates::score.desc()),
397 SortType::TopYear => query
398 .filter(post::published.gt(now - 1.years()))
399 .then_order_by(post_aggregates::score.desc()),
400 SortType::TopMonth => query
401 .filter(post::published.gt(now - 1.months()))
402 .then_order_by(post_aggregates::score.desc()),
403 SortType::TopWeek => query
404 .filter(post::published.gt(now - 1.weeks()))
405 .then_order_by(post_aggregates::score.desc()),
406 SortType::TopDay => query
407 .filter(post::published.gt(now - 1.days()))
408 .then_order_by(post_aggregates::score.desc()),
411 let (limit, offset) = limit_and_offset(self.page, self.limit);
416 .filter(post::removed.eq(false))
417 .filter(post::deleted.eq(false))
418 .filter(community::removed.eq(false))
419 .filter(community::deleted.eq(false));
421 debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
423 let res = query.load::<PostViewTuple>(self.conn)?;
425 Ok(PostView::from_tuple_to_vec(res))
429 impl ViewToVec for PostView {
430 type DbTuple = PostViewTuple;
431 fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
435 post: a.0.to_owned(),
436 creator: a.1.to_owned(),
437 community: a.2.to_owned(),
438 creator_banned_from_community: a.3.is_some(),
439 counts: a.4.to_owned(),
440 subscribed: a.5.is_some(),
441 saved: a.6.is_some(),
445 .collect::<Vec<Self>>()
451 use crate::post_view::{PostQueryBuilder, PostView};
452 use lemmy_db_queries::{
453 aggregates::post_aggregates::PostAggregates,
454 establish_unpooled_connection,
460 use lemmy_db_schema::source::{community::*, person::*, post::*};
461 use serial_test::serial;
466 let conn = establish_unpooled_connection();
468 let person_name = "tegan".to_string();
469 let community_name = "test_community_3".to_string();
470 let post_name = "test post 3".to_string();
471 let bot_post_name = "test bot post".to_string();
473 let new_person = PersonForm {
474 name: person_name.to_owned(),
475 ..PersonForm::default()
478 let inserted_person = Person::create(&conn, &new_person).unwrap();
480 let new_bot = PersonForm {
481 name: person_name.to_owned(),
482 bot_account: Some(true),
483 ..PersonForm::default()
486 let inserted_bot = Person::create(&conn, &new_bot).unwrap();
488 let new_community = CommunityForm {
489 name: community_name.to_owned(),
490 title: "nada".to_owned(),
491 ..CommunityForm::default()
494 let inserted_community = Community::create(&conn, &new_community).unwrap();
496 let new_post = PostForm {
497 name: post_name.to_owned(),
498 creator_id: inserted_person.id,
499 community_id: inserted_community.id,
500 ..PostForm::default()
503 let inserted_post = Post::create(&conn, &new_post).unwrap();
505 let new_bot_post = PostForm {
507 creator_id: inserted_bot.id,
508 community_id: inserted_community.id,
509 ..PostForm::default()
512 let _inserted_bot_post = Post::create(&conn, &new_bot_post).unwrap();
514 let post_like_form = PostLikeForm {
515 post_id: inserted_post.id,
516 person_id: inserted_person.id,
520 let inserted_post_like = PostLike::like(&conn, &post_like_form).unwrap();
522 let expected_post_like = PostLike {
523 id: inserted_post_like.id,
524 post_id: inserted_post.id,
525 person_id: inserted_person.id,
526 published: inserted_post_like.published,
530 let read_post_listings_with_person = PostQueryBuilder::create(&conn)
531 .listing_type(ListingType::Community)
533 .show_bot_accounts(false)
534 .community_id(inserted_community.id)
535 .my_person_id(inserted_person.id)
539 let read_post_listings_no_person = PostQueryBuilder::create(&conn)
540 .listing_type(ListingType::Community)
542 .community_id(inserted_community.id)
546 let read_post_listing_no_person = PostView::read(&conn, inserted_post.id, None).unwrap();
547 let read_post_listing_with_person =
548 PostView::read(&conn, inserted_post.id, Some(inserted_person.id)).unwrap();
550 let agg = PostAggregates::read(&conn, inserted_post.id).unwrap();
552 // the non person version
553 let expected_post_listing_no_person = PostView {
555 id: inserted_post.id,
557 creator_id: inserted_person.id,
560 published: inserted_post.published,
562 community_id: inserted_community.id,
569 embed_description: None,
572 ap_id: inserted_post.ap_id.to_owned(),
576 creator: PersonSafe {
577 id: inserted_person.id,
580 published: inserted_person.published,
582 actor_id: inserted_person.actor_id.to_owned(),
591 inbox_url: inserted_person.inbox_url.to_owned(),
592 shared_inbox_url: None,
593 matrix_user_id: None,
595 creator_banned_from_community: false,
596 community: CommunitySafe {
597 id: inserted_community.id,
598 name: community_name,
603 actor_id: inserted_community.actor_id.to_owned(),
605 title: "nada".to_owned(),
609 published: inserted_community.published,
611 counts: PostAggregates {
613 post_id: inserted_post.id,
619 published: agg.published,
620 newest_comment_time_necro: inserted_post.published,
621 newest_comment_time: inserted_post.published,
628 // TODO More needs to be added here
629 let mut expected_post_listing_with_user = expected_post_listing_no_person.to_owned();
630 expected_post_listing_with_user.my_vote = Some(1);
632 let like_removed = PostLike::remove(&conn, inserted_person.id, inserted_post.id).unwrap();
633 let num_deleted = Post::delete(&conn, inserted_post.id).unwrap();
634 Community::delete(&conn, inserted_community.id).unwrap();
635 Person::delete(&conn, inserted_person.id).unwrap();
636 Person::delete(&conn, inserted_bot.id).unwrap();
640 expected_post_listing_with_user,
641 read_post_listings_with_person[0]
644 expected_post_listing_with_user,
645 read_post_listing_with_person
648 // Should be only one person, IE the bot post should be missing
649 assert_eq!(1, read_post_listings_with_person.len());
653 expected_post_listing_no_person,
654 read_post_listings_no_person[1]
656 assert_eq!(expected_post_listing_no_person, read_post_listing_no_person);
658 // Should be 2 posts, with the bot post
659 assert_eq!(2, read_post_listings_no_person.len());
661 assert_eq!(expected_post_like, inserted_post_like);
662 assert_eq!(1, like_removed);
663 assert_eq!(1, num_deleted);