crates/db_views/src/post_view.rs

   1 use crate::structs::{LocalUserView, PostView};
   2 use diesel::{
   3   debug_query,
   4   dsl::{now, IntervalDsl},
   5   pg::Pg,
   6   result::Error,
   7   sql_function,
   8   sql_types,
   9   BoolExpressionMethods,
  10   ExpressionMethods,
  11   JoinOnDsl,
  12   NullableExpressionMethods,
  13   PgTextExpressionMethods,
  14   QueryDsl,
  15 };
  16 use diesel_async::RunQueryDsl;
  17 use lemmy_db_schema::{
  18   aggregates::structs::PostAggregates,
  19   newtypes::{CommunityId, LocalUserId, PersonId, PostId},
  20   schema::{
  21     community,
  22     community_block,
  23     community_follower,
  24     community_moderator,
  25     community_person_ban,
  26     local_user_language,
  27     person,
  28     person_block,
  29     person_post_aggregates,
  30     post,
  31     post_aggregates,
  32     post_like,
  33     post_read,
  34     post_saved,
  35   },
  36   source::{
  37     community::{Community, CommunityFollower, CommunityPersonBan},
  38     person::Person,
  39     person_block::PersonBlock,
  40     post::{Post, PostRead, PostSaved},
  41   },
  42   traits::JoinView,
  43   utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
  44   ListingType,
  45   SortType,
  46 };
  47 use tracing::debug;
  48
  49 type PostViewTuple = (
  50   Post,
  51   Person,
  52   Community,
  53   Option<CommunityPersonBan>,
  54   PostAggregates,
  55   Option<CommunityFollower>,
  56   Option<PostSaved>,
  57   Option<PostRead>,
  58   Option<PersonBlock>,
  59   Option<i16>,
  60   i64,
  61 );
  62
  63 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
  64
  65 fn queries<'a>() -> Queries<
  66   impl ReadFn<'a, PostView, (PostId, Option<PersonId>, Option<bool>)>,
  67   impl ListFn<'a, PostView, PostQuery<'a>>,
  68 > {
  69   let all_joins = |query: post_aggregates::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
  70     // The left join below will return None in this case
  71     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  72
  73     query
  74       .inner_join(person::table)
  75       .inner_join(community::table)
  76       .left_join(
  77         community_person_ban::table.on(
  78           post_aggregates::community_id
  79             .eq(community_person_ban::community_id)
  80             .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
  81         ),
  82       )
  83       .inner_join(post::table)
  84       .left_join(
  85         community_follower::table.on(
  86           post_aggregates::community_id
  87             .eq(community_follower::community_id)
  88             .and(community_follower::person_id.eq(person_id_join)),
  89         ),
  90       )
  91       .left_join(
  92         community_moderator::table.on(
  93           post::community_id
  94             .eq(community_moderator::community_id)
  95             .and(community_moderator::person_id.eq(person_id_join)),
  96         ),
  97       )
  98       .left_join(
  99         post_saved::table.on(
 100           post_aggregates::post_id
 101             .eq(post_saved::post_id)
 102             .and(post_saved::person_id.eq(person_id_join)),
 103         ),
 104       )
 105       .left_join(
 106         post_read::table.on(
 107           post_aggregates::post_id
 108             .eq(post_read::post_id)
 109             .and(post_read::person_id.eq(person_id_join)),
 110         ),
 111       )
 112       .left_join(
 113         person_block::table.on(
 114           post_aggregates::creator_id
 115             .eq(person_block::target_id)
 116             .and(person_block::person_id.eq(person_id_join)),
 117         ),
 118       )
 119       .left_join(
 120         post_like::table.on(
 121           post_aggregates::post_id
 122             .eq(post_like::post_id)
 123             .and(post_like::person_id.eq(person_id_join)),
 124         ),
 125       )
 126       .left_join(
 127         person_post_aggregates::table.on(
 128           post_aggregates::post_id
 129             .eq(person_post_aggregates::post_id)
 130             .and(person_post_aggregates::person_id.eq(person_id_join)),
 131         ),
 132       )
 133   };
 134
 135   let selection = (
 136     post::all_columns,
 137     person::all_columns,
 138     community::all_columns,
 139     community_person_ban::all_columns.nullable(),
 140     post_aggregates::all_columns,
 141     community_follower::all_columns.nullable(),
 142     post_saved::all_columns.nullable(),
 143     post_read::all_columns.nullable(),
 144     person_block::all_columns.nullable(),
 145     post_like::score.nullable(),
 146     coalesce(
 147       post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 148       post_aggregates::comments,
 149     ),
 150   );
 151
 152   let read = move |mut conn: DbConn<'a>,
 153                    (post_id, my_person_id, is_mod_or_admin): (
 154     PostId,
 155     Option<PersonId>,
 156     Option<bool>,
 157   )| async move {
 158     // The left join below will return None in this case
 159     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
 160
 161     let mut query = all_joins(
 162       post_aggregates::table
 163         .filter(post_aggregates::post_id.eq(post_id))
 164         .into_boxed(),
 165       my_person_id,
 166     )
 167     .select(selection);
 168
 169     // Hide deleted and removed for non-admins or mods
 170     if !is_mod_or_admin.unwrap_or(false) {
 171       query = query
 172         .filter(community::removed.eq(false))
 173         .filter(post::removed.eq(false))
 174         // users can see their own deleted posts
 175         .filter(
 176           community::deleted
 177             .eq(false)
 178             .or(post::creator_id.eq(person_id_join)),
 179         )
 180         .filter(
 181           post::deleted
 182             .eq(false)
 183             .or(post::creator_id.eq(person_id_join)),
 184         );
 185     }
 186
 187     query.first::<PostViewTuple>(&mut conn).await
 188   };
 189
 190   let list = move |mut conn: DbConn<'a>, options: PostQuery<'a>| async move {
 191     let person_id = options.local_user.map(|l| l.person.id);
 192     let local_user_id = options.local_user.map(|l| l.local_user.id);
 193
 194     // The left join below will return None in this case
 195     let person_id_join = person_id.unwrap_or(PersonId(-1));
 196     let local_user_id_join = local_user_id.unwrap_or(LocalUserId(-1));
 197
 198     let mut query = all_joins(post_aggregates::table.into_boxed(), person_id)
 199       .left_join(
 200         community_block::table.on(
 201           post_aggregates::community_id
 202             .eq(community_block::community_id)
 203             .and(community_block::person_id.eq(person_id_join)),
 204         ),
 205       )
 206       .left_join(
 207         local_user_language::table.on(
 208           post::language_id
 209             .eq(local_user_language::language_id)
 210             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 211         ),
 212       )
 213       .select(selection);
 214
 215     let is_creator = options.creator_id == options.local_user.map(|l| l.person.id);
 216     // only show deleted posts to creator
 217     if is_creator {
 218       query = query
 219         .filter(community::deleted.eq(false))
 220         .filter(post::deleted.eq(false));
 221     }
 222
 223     let is_admin = options.local_user.map(|l| l.person.admin).unwrap_or(false);
 224     // only show removed posts to admin when viewing user profile
 225     if !(options.is_profile_view && is_admin) {
 226       query = query
 227         .filter(community::removed.eq(false))
 228         .filter(post::removed.eq(false));
 229     }
 230
 231     if options.community_id.is_none() {
 232       query = query.then_order_by(post_aggregates::featured_local.desc());
 233     } else if let Some(community_id) = options.community_id {
 234       query = query
 235         .filter(post_aggregates::community_id.eq(community_id))
 236         .then_order_by(post_aggregates::featured_community.desc());
 237     }
 238
 239     if let Some(creator_id) = options.creator_id {
 240       query = query.filter(post_aggregates::creator_id.eq(creator_id));
 241     }
 242
 243     if let Some(listing_type) = options.listing_type {
 244       match listing_type {
 245         ListingType::Subscribed => {
 246           query = query.filter(community_follower::person_id.is_not_null())
 247         }
 248         ListingType::Local => {
 249           query = query.filter(community::local.eq(true)).filter(
 250             community::hidden
 251               .eq(false)
 252               .or(community_follower::person_id.eq(person_id_join)),
 253           );
 254         }
 255         ListingType::All => {
 256           query = query.filter(
 257             community::hidden
 258               .eq(false)
 259               .or(community_follower::person_id.eq(person_id_join)),
 260           )
 261         }
 262       }
 263     }
 264
 265     if let Some(url_search) = options.url_search {
 266       query = query.filter(post::url.eq(url_search));
 267     }
 268
 269     if let Some(search_term) = options.search_term {
 270       let searcher = fuzzy_search(&search_term);
 271       query = query.filter(
 272         post::name
 273           .ilike(searcher.clone())
 274           .or(post::body.ilike(searcher)),
 275       );
 276     }
 277
 278     if !options
 279       .local_user
 280       .map(|l| l.local_user.show_nsfw)
 281       .unwrap_or(false)
 282     {
 283       query = query
 284         .filter(post::nsfw.eq(false))
 285         .filter(community::nsfw.eq(false));
 286     };
 287
 288     if !options
 289       .local_user
 290       .map(|l| l.local_user.show_bot_accounts)
 291       .unwrap_or(true)
 292     {
 293       query = query.filter(person::bot_account.eq(false));
 294     };
 295
 296     if options.saved_only.unwrap_or(false) {
 297       query = query.filter(post_saved::post_id.is_not_null());
 298     }
 299
 300     if options.moderator_view.unwrap_or(false) {
 301       query = query.filter(community_moderator::person_id.is_not_null());
 302     }
 303     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 304     // setting wont be able to see saved posts.
 305     else if !options
 306       .local_user
 307       .map(|l| l.local_user.show_read_posts)
 308       .unwrap_or(true)
 309     {
 310       // Do not hide read posts when it is a user profile view
 311       if !is_profile_view {
 312         query = query.filter(post_read::post_id.is_null());
 313       }
 314     }
 315
 316     if options.local_user.is_some() {
 317       // Filter out the rows with missing languages
 318       query = query.filter(local_user_language::language_id.is_not_null());
 319
 320       // Don't show blocked communities or persons
 321       query = query.filter(community_block::person_id.is_null());
 322       if !options.moderator_view.unwrap_or(false) {
 323         query = query.filter(person_block::person_id.is_null());
 324       }
 325     }
 326
 327     query = match options.sort.unwrap_or(SortType::Hot) {
 328       SortType::Active => query
 329         .then_order_by(post_aggregates::hot_rank_active.desc())
 330         .then_order_by(post_aggregates::published.desc()),
 331       SortType::Hot => query
 332         .then_order_by(post_aggregates::hot_rank.desc())
 333         .then_order_by(post_aggregates::published.desc()),
 334       SortType::Controversial => query.then_order_by(post_aggregates::controversy_rank.desc()),
 335       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 336       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 337       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 338       SortType::MostComments => query
 339         .then_order_by(post_aggregates::comments.desc())
 340         .then_order_by(post_aggregates::published.desc()),
 341       SortType::TopAll => query
 342         .then_order_by(post_aggregates::score.desc())
 343         .then_order_by(post_aggregates::published.desc()),
 344       SortType::TopYear => query
 345         .filter(post_aggregates::published.gt(now - 1.years()))
 346         .then_order_by(post_aggregates::score.desc())
 347         .then_order_by(post_aggregates::published.desc()),
 348       SortType::TopMonth => query
 349         .filter(post_aggregates::published.gt(now - 1.months()))
 350         .then_order_by(post_aggregates::score.desc())
 351         .then_order_by(post_aggregates::published.desc()),
 352       SortType::TopWeek => query
 353         .filter(post_aggregates::published.gt(now - 1.weeks()))
 354         .then_order_by(post_aggregates::score.desc())
 355         .then_order_by(post_aggregates::published.desc()),
 356       SortType::TopDay => query
 357         .filter(post_aggregates::published.gt(now - 1.days()))
 358         .then_order_by(post_aggregates::score.desc())
 359         .then_order_by(post_aggregates::published.desc()),
 360       SortType::TopHour => query
 361         .filter(post_aggregates::published.gt(now - 1.hours()))
 362         .then_order_by(post_aggregates::score.desc())
 363         .then_order_by(post_aggregates::published.desc()),
 364       SortType::TopSixHour => query
 365         .filter(post_aggregates::published.gt(now - 6.hours()))
 366         .then_order_by(post_aggregates::score.desc())
 367         .then_order_by(post_aggregates::published.desc()),
 368       SortType::TopTwelveHour => query
 369         .filter(post_aggregates::published.gt(now - 12.hours()))
 370         .then_order_by(post_aggregates::score.desc())
 371         .then_order_by(post_aggregates::published.desc()),
 372       SortType::TopThreeMonths => query
 373         .filter(post_aggregates::published.gt(now - 3.months()))
 374         .then_order_by(post_aggregates::score.desc())
 375         .then_order_by(post_aggregates::published.desc()),
 376       SortType::TopSixMonths => query
 377         .filter(post_aggregates::published.gt(now - 6.months()))
 378         .then_order_by(post_aggregates::score.desc())
 379         .then_order_by(post_aggregates::published.desc()),
 380       SortType::TopNineMonths => query
 381         .filter(post_aggregates::published.gt(now - 9.months()))
 382         .then_order_by(post_aggregates::score.desc())
 383         .then_order_by(post_aggregates::published.desc()),
 384     };
 385
 386     let (limit, offset) = limit_and_offset(options.page, options.limit)?;
 387
 388     query = query.limit(limit).offset(offset);
 389
 390     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 391
 392     query.load::<PostViewTuple>(&mut conn).await
 393   };
 394
 395   Queries::new(read, list)
 396 }
 397
 398 impl PostView {
 399   pub async fn read(
 400     pool: &mut DbPool<'_>,
 401     post_id: PostId,
 402     my_person_id: Option<PersonId>,
 403     is_mod_or_admin: Option<bool>,
 404   ) -> Result<Self, Error> {
 405     let mut res = queries()
 406       .read(pool, (post_id, my_person_id, is_mod_or_admin))
 407       .await?;
 408
 409     // If a person is given, then my_vote, if None, should be 0, not null
 410     // Necessary to differentiate between other person's votes
 411     if my_person_id.is_some() && res.my_vote.is_none() {
 412       res.my_vote = Some(0)
 413     };
 414
 415     Ok(res)
 416   }
 417 }
 418
 419 #[derive(Default)]
 420 pub struct PostQuery<'a> {
 421   pub listing_type: Option<ListingType>,
 422   pub sort: Option<SortType>,
 423   pub creator_id: Option<PersonId>,
 424   pub community_id: Option<CommunityId>,
 425   pub local_user: Option<&'a LocalUserView>,
 426   pub search_term: Option<String>,
 427   pub url_search: Option<String>,
 428   pub saved_only: Option<bool>,
 429   pub moderator_view: Option<bool>,
 430   pub is_profile_view: bool,
 431   pub page: Option<i64>,
 432   pub limit: Option<i64>,
 433 }
 434
 435 impl<'a> PostQuery<'a> {
 436   pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
 437     queries().list(pool, self).await
 438   }
 439 }
 440
 441 impl JoinView for PostView {
 442   type JoinTuple = PostViewTuple;
 443   fn from_tuple(a: Self::JoinTuple) -> Self {
 444     Self {
 445       post: a.0,
 446       creator: a.1,
 447       community: a.2,
 448       creator_banned_from_community: a.3.is_some(),
 449       counts: a.4,
 450       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 451       saved: a.6.is_some(),
 452       read: a.7.is_some(),
 453       creator_blocked: a.8.is_some(),
 454       my_vote: a.9,
 455       unread_comments: a.10,
 456     }
 457   }
 458 }
 459
 460 #[cfg(test)]
 461 mod tests {
 462   #![allow(clippy::unwrap_used)]
 463   #![allow(clippy::indexing_slicing)]
 464
 465   use crate::{
 466     post_view::{PostQuery, PostView},
 467     structs::LocalUserView,
 468   };
 469   use lemmy_db_schema::{
 470     aggregates::structs::PostAggregates,
 471     impls::actor_language::UNDETERMINED_ID,
 472     newtypes::LanguageId,
 473     source::{
 474       actor_language::LocalUserLanguage,
 475       community::{Community, CommunityInsertForm},
 476       community_block::{CommunityBlock, CommunityBlockForm},
 477       instance::Instance,
 478       language::Language,
 479       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 480       person::{Person, PersonInsertForm},
 481       person_block::{PersonBlock, PersonBlockForm},
 482       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 483     },
 484     traits::{Blockable, Crud, Likeable},
 485     utils::{build_db_pool_for_tests, DbPool},
 486     SortType,
 487     SubscribedType,
 488   };
 489   use serial_test::serial;
 490
 491   struct Data {
 492     inserted_instance: Instance,
 493     local_user_view: LocalUserView,
 494     inserted_blocked_person: Person,
 495     inserted_bot: Person,
 496     inserted_community: Community,
 497     inserted_post: Post,
 498   }
 499
 500   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 501     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 502       .await
 503       .unwrap();
 504
 505     let person_name = "tegan".to_string();
 506
 507     let new_person = PersonInsertForm::builder()
 508       .name(person_name.clone())
 509       .public_key("pubkey".to_string())
 510       .instance_id(inserted_instance.id)
 511       .build();
 512
 513     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 514
 515     let local_user_form = LocalUserInsertForm::builder()
 516       .person_id(inserted_person.id)
 517       .password_encrypted(String::new())
 518       .build();
 519     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 520
 521     let new_bot = PersonInsertForm::builder()
 522       .name("mybot".to_string())
 523       .bot_account(Some(true))
 524       .public_key("pubkey".to_string())
 525       .instance_id(inserted_instance.id)
 526       .build();
 527
 528     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 529
 530     let new_community = CommunityInsertForm::builder()
 531       .name("test_community_3".to_string())
 532       .title("nada".to_owned())
 533       .public_key("pubkey".to_string())
 534       .instance_id(inserted_instance.id)
 535       .build();
 536
 537     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 538
 539     // Test a person block, make sure the post query doesn't include their post
 540     let blocked_person = PersonInsertForm::builder()
 541       .name(person_name)
 542       .public_key("pubkey".to_string())
 543       .instance_id(inserted_instance.id)
 544       .build();
 545
 546     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 547
 548     let post_from_blocked_person = PostInsertForm::builder()
 549       .name("blocked_person_post".to_string())
 550       .creator_id(inserted_blocked_person.id)
 551       .community_id(inserted_community.id)
 552       .language_id(Some(LanguageId(1)))
 553       .build();
 554
 555     Post::create(pool, &post_from_blocked_person).await.unwrap();
 556
 557     // block that person
 558     let person_block = PersonBlockForm {
 559       person_id: inserted_person.id,
 560       target_id: inserted_blocked_person.id,
 561     };
 562
 563     PersonBlock::block(pool, &person_block).await.unwrap();
 564
 565     // A sample post
 566     let new_post = PostInsertForm::builder()
 567       .name("test post 3".to_string())
 568       .creator_id(inserted_person.id)
 569       .community_id(inserted_community.id)
 570       .language_id(Some(LanguageId(47)))
 571       .build();
 572
 573     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 574
 575     let new_bot_post = PostInsertForm::builder()
 576       .name("test bot post".to_string())
 577       .creator_id(inserted_bot.id)
 578       .community_id(inserted_community.id)
 579       .build();
 580
 581     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 582     let local_user_view = LocalUserView {
 583       local_user: inserted_local_user,
 584       person: inserted_person,
 585       counts: Default::default(),
 586     };
 587
 588     Data {
 589       inserted_instance,
 590       local_user_view,
 591       inserted_blocked_person,
 592       inserted_bot,
 593       inserted_community,
 594       inserted_post,
 595     }
 596   }
 597
 598   #[tokio::test]
 599   #[serial]
 600   async fn post_listing_with_person() {
 601     let pool = &build_db_pool_for_tests().await;
 602     let pool = &mut pool.into();
 603     let mut data = init_data(pool).await;
 604
 605     let local_user_form = LocalUserUpdateForm::builder()
 606       .show_bot_accounts(Some(false))
 607       .build();
 608     let inserted_local_user =
 609       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 610         .await
 611         .unwrap();
 612     data.local_user_view.local_user = inserted_local_user;
 613
 614     let read_post_listing = PostQuery {
 615       sort: (Some(SortType::New)),
 616       community_id: (Some(data.inserted_community.id)),
 617       local_user: (Some(&data.local_user_view)),
 618       ..Default::default()
 619     }
 620     .list(pool)
 621     .await
 622     .unwrap();
 623
 624     let post_listing_single_with_person = PostView::read(
 625       pool,
 626       data.inserted_post.id,
 627       Some(data.local_user_view.person.id),
 628       None,
 629     )
 630     .await
 631     .unwrap();
 632
 633     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 634
 635     // Should be only one person, IE the bot post, and blocked should be missing
 636     assert_eq!(1, read_post_listing.len());
 637
 638     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 639     expected_post_listing_with_user.my_vote = Some(0);
 640     assert_eq!(
 641       expected_post_listing_with_user,
 642       post_listing_single_with_person
 643     );
 644
 645     let local_user_form = LocalUserUpdateForm::builder()
 646       .show_bot_accounts(Some(true))
 647       .build();
 648     let inserted_local_user =
 649       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 650         .await
 651         .unwrap();
 652     data.local_user_view.local_user = inserted_local_user;
 653
 654     let post_listings_with_bots = PostQuery {
 655       sort: (Some(SortType::New)),
 656       community_id: (Some(data.inserted_community.id)),
 657       local_user: (Some(&data.local_user_view)),
 658       ..Default::default()
 659     }
 660     .list(pool)
 661     .await
 662     .unwrap();
 663     // should include bot post which has "undetermined" language
 664     assert_eq!(2, post_listings_with_bots.len());
 665
 666     cleanup(data, pool).await;
 667   }
 668
 669   #[tokio::test]
 670   #[serial]
 671   async fn post_listing_no_person() {
 672     let pool = &build_db_pool_for_tests().await;
 673     let pool = &mut pool.into();
 674     let data = init_data(pool).await;
 675
 676     let read_post_listing_multiple_no_person = PostQuery {
 677       sort: (Some(SortType::New)),
 678       community_id: (Some(data.inserted_community.id)),
 679       ..Default::default()
 680     }
 681     .list(pool)
 682     .await
 683     .unwrap();
 684
 685     let read_post_listing_single_no_person =
 686       PostView::read(pool, data.inserted_post.id, None, None)
 687         .await
 688         .unwrap();
 689
 690     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 691
 692     // Should be 2 posts, with the bot post, and the blocked
 693     assert_eq!(3, read_post_listing_multiple_no_person.len());
 694
 695     assert_eq!(
 696       expected_post_listing_no_person,
 697       read_post_listing_multiple_no_person[1]
 698     );
 699     assert_eq!(
 700       expected_post_listing_no_person,
 701       read_post_listing_single_no_person
 702     );
 703
 704     cleanup(data, pool).await;
 705   }
 706
 707   #[tokio::test]
 708   #[serial]
 709   async fn post_listing_block_community() {
 710     let pool = &build_db_pool_for_tests().await;
 711     let pool = &mut pool.into();
 712     let data = init_data(pool).await;
 713
 714     let community_block = CommunityBlockForm {
 715       person_id: data.local_user_view.person.id,
 716       community_id: data.inserted_community.id,
 717     };
 718     CommunityBlock::block(pool, &community_block).await.unwrap();
 719
 720     let read_post_listings_with_person_after_block = PostQuery {
 721       sort: (Some(SortType::New)),
 722       community_id: (Some(data.inserted_community.id)),
 723       local_user: (Some(&data.local_user_view)),
 724       ..Default::default()
 725     }
 726     .list(pool)
 727     .await
 728     .unwrap();
 729     // Should be 0 posts after the community block
 730     assert_eq!(0, read_post_listings_with_person_after_block.len());
 731
 732     CommunityBlock::unblock(pool, &community_block)
 733       .await
 734       .unwrap();
 735     cleanup(data, pool).await;
 736   }
 737
 738   #[tokio::test]
 739   #[serial]
 740   async fn post_listing_like() {
 741     let pool = &build_db_pool_for_tests().await;
 742     let pool = &mut pool.into();
 743     let mut data = init_data(pool).await;
 744
 745     let post_like_form = PostLikeForm {
 746       post_id: data.inserted_post.id,
 747       person_id: data.local_user_view.person.id,
 748       score: 1,
 749     };
 750
 751     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 752
 753     let expected_post_like = PostLike {
 754       id: inserted_post_like.id,
 755       post_id: data.inserted_post.id,
 756       person_id: data.local_user_view.person.id,
 757       published: inserted_post_like.published,
 758       score: 1,
 759     };
 760     assert_eq!(expected_post_like, inserted_post_like);
 761
 762     let post_listing_single_with_person = PostView::read(
 763       pool,
 764       data.inserted_post.id,
 765       Some(data.local_user_view.person.id),
 766       None,
 767     )
 768     .await
 769     .unwrap();
 770
 771     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 772     expected_post_with_upvote.my_vote = Some(1);
 773     expected_post_with_upvote.counts.score = 1;
 774     expected_post_with_upvote.counts.upvotes = 1;
 775     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 776
 777     let local_user_form = LocalUserUpdateForm::builder()
 778       .show_bot_accounts(Some(false))
 779       .build();
 780     let inserted_local_user =
 781       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 782         .await
 783         .unwrap();
 784     data.local_user_view.local_user = inserted_local_user;
 785
 786     let read_post_listing = PostQuery {
 787       sort: (Some(SortType::New)),
 788       community_id: (Some(data.inserted_community.id)),
 789       local_user: (Some(&data.local_user_view)),
 790       ..Default::default()
 791     }
 792     .list(pool)
 793     .await
 794     .unwrap();
 795     assert_eq!(1, read_post_listing.len());
 796
 797     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 798
 799     let like_removed =
 800       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 801         .await
 802         .unwrap();
 803     assert_eq!(1, like_removed);
 804     cleanup(data, pool).await;
 805   }
 806
 807   #[tokio::test]
 808   #[serial]
 809   async fn post_listing_person_language() {
 810     let pool = &build_db_pool_for_tests().await;
 811     let pool = &mut pool.into();
 812     let data = init_data(pool).await;
 813
 814     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 815       .await
 816       .unwrap()
 817       .unwrap();
 818     let post_spanish = PostInsertForm::builder()
 819       .name("asffgdsc".to_string())
 820       .creator_id(data.local_user_view.person.id)
 821       .community_id(data.inserted_community.id)
 822       .language_id(Some(spanish_id))
 823       .build();
 824
 825     Post::create(pool, &post_spanish).await.unwrap();
 826
 827     let post_listings_all = PostQuery {
 828       sort: (Some(SortType::New)),
 829       local_user: (Some(&data.local_user_view)),
 830       ..Default::default()
 831     }
 832     .list(pool)
 833     .await
 834     .unwrap();
 835
 836     // no language filters specified, all posts should be returned
 837     assert_eq!(3, post_listings_all.len());
 838
 839     let french_id = Language::read_id_from_code(pool, Some("fr"))
 840       .await
 841       .unwrap()
 842       .unwrap();
 843     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 844       .await
 845       .unwrap();
 846
 847     let post_listing_french = PostQuery {
 848       sort: (Some(SortType::New)),
 849       local_user: (Some(&data.local_user_view)),
 850       ..Default::default()
 851     }
 852     .list(pool)
 853     .await
 854     .unwrap();
 855
 856     // only one post in french and one undetermined should be returned
 857     assert_eq!(2, post_listing_french.len());
 858     assert!(post_listing_french
 859       .iter()
 860       .any(|p| p.post.language_id == french_id));
 861
 862     LocalUserLanguage::update(
 863       pool,
 864       vec![french_id, UNDETERMINED_ID],
 865       data.local_user_view.local_user.id,
 866     )
 867     .await
 868     .unwrap();
 869     let post_listings_french_und = PostQuery {
 870       sort: (Some(SortType::New)),
 871       local_user: (Some(&data.local_user_view)),
 872       ..Default::default()
 873     }
 874     .list(pool)
 875     .await
 876     .unwrap();
 877
 878     // french post and undetermined language post should be returned
 879     assert_eq!(2, post_listings_french_und.len());
 880     assert_eq!(
 881       UNDETERMINED_ID,
 882       post_listings_french_und[0].post.language_id
 883     );
 884     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 885
 886     cleanup(data, pool).await;
 887   }
 888
 889   #[tokio::test]
 890   #[serial]
 891   async fn post_listings_removed() {
 892     let pool = &build_db_pool_for_tests().await;
 893     let pool = &mut pool.into();
 894     let mut data = init_data(pool).await;
 895
 896     // Remove the post
 897     Post::update(
 898       pool,
 899       data.inserted_post.id,
 900       &PostUpdateForm::builder().removed(Some(true)).build(),
 901     )
 902     .await
 903     .unwrap();
 904
 905     // Make sure you don't see the removed post in the results
 906     let post_listings_no_admin = PostQuery {
 907       sort: Some(SortType::New),
 908       local_user: Some(&data.local_user_view),
 909       ..Default::default()
 910     }
 911     .list(pool)
 912     .await
 913     .unwrap();
 914     assert_eq!(1, post_listings_no_admin.len());
 915
 916     // Removed post is shown to admins on profile page
 917     data.local_user_view.person.admin = true;
 918     let post_listings_is_admin = PostQuery {
 919       sort: Some(SortType::New),
 920       local_user: Some(&data.local_user_view),
 921       is_profile_view: true,
 922       ..Default::default()
 923     }
 924     .list(pool)
 925     .await
 926     .unwrap();
 927     assert_eq!(2, post_listings_is_admin.len());
 928
 929     cleanup(data, pool).await;
 930   }
 931
 932   #[tokio::test]
 933   #[serial]
 934   async fn post_listings_deleted() {
 935     let pool = &build_db_pool_for_tests().await;
 936     let pool = &mut pool.into();
 937     let data = init_data(pool).await;
 938
 939     // Delete the post
 940     Post::update(
 941       pool,
 942       data.inserted_post.id,
 943       &PostUpdateForm::builder().deleted(Some(true)).build(),
 944     )
 945     .await
 946     .unwrap();
 947
 948     // Make sure you don't see the deleted post in the results
 949     let post_listings_no_creator = PostQuery {
 950       sort: Some(SortType::New),
 951       ..Default::default()
 952     }
 953     .list(pool)
 954     .await
 955     .unwrap();
 956     let not_contains_deleted = post_listings_no_creator
 957       .iter()
 958       .map(|p| p.post.id)
 959       .all(|p| p != data.inserted_post.id);
 960     assert!(not_contains_deleted);
 961
 962     // Deleted post is shown to creator
 963     let post_listings_is_creator = PostQuery {
 964       sort: Some(SortType::New),
 965       local_user: Some(&data.local_user_view),
 966       ..Default::default()
 967     }
 968     .list(pool)
 969     .await
 970     .unwrap();
 971     let contains_deleted = post_listings_is_creator
 972       .iter()
 973       .map(|p| p.post.id)
 974       .any(|p| p == data.inserted_post.id);
 975     assert!(contains_deleted);
 976
 977     cleanup(data, pool).await;
 978   }
 979
 980   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
 981     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
 982     Community::delete(pool, data.inserted_community.id)
 983       .await
 984       .unwrap();
 985     Person::delete(pool, data.local_user_view.person.id)
 986       .await
 987       .unwrap();
 988     Person::delete(pool, data.inserted_bot.id).await.unwrap();
 989     Person::delete(pool, data.inserted_blocked_person.id)
 990       .await
 991       .unwrap();
 992     Instance::delete(pool, data.inserted_instance.id)
 993       .await
 994       .unwrap();
 995     assert_eq!(1, num_deleted);
 996   }
 997
 998   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
 999     let (inserted_person, inserted_community, inserted_post) = (
1000       &data.local_user_view.person,
1001       &data.inserted_community,
1002       &data.inserted_post,
1003     );
1004     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1005
1006     PostView {
1007       post: Post {
1008         id: inserted_post.id,
1009         name: inserted_post.name.clone(),
1010         creator_id: inserted_person.id,
1011         url: None,
1012         body: None,
1013         published: inserted_post.published,
1014         updated: None,
1015         community_id: inserted_community.id,
1016         removed: false,
1017         deleted: false,
1018         locked: false,
1019         nsfw: false,
1020         embed_title: None,
1021         embed_description: None,
1022         embed_video_url: None,
1023         thumbnail_url: None,
1024         ap_id: inserted_post.ap_id.clone(),
1025         local: true,
1026         language_id: LanguageId(47),
1027         featured_community: false,
1028         featured_local: false,
1029       },
1030       my_vote: None,
1031       unread_comments: 0,
1032       creator: Person {
1033         id: inserted_person.id,
1034         name: inserted_person.name.clone(),
1035         display_name: None,
1036         published: inserted_person.published,
1037         avatar: None,
1038         actor_id: inserted_person.actor_id.clone(),
1039         local: true,
1040         admin: false,
1041         bot_account: false,
1042         banned: false,
1043         deleted: false,
1044         bio: None,
1045         banner: None,
1046         updated: None,
1047         inbox_url: inserted_person.inbox_url.clone(),
1048         shared_inbox_url: None,
1049         matrix_user_id: None,
1050         ban_expires: None,
1051         instance_id: data.inserted_instance.id,
1052         private_key: inserted_person.private_key.clone(),
1053         public_key: inserted_person.public_key.clone(),
1054         last_refreshed_at: inserted_person.last_refreshed_at,
1055       },
1056       creator_banned_from_community: false,
1057       community: Community {
1058         id: inserted_community.id,
1059         name: inserted_community.name.clone(),
1060         icon: None,
1061         removed: false,
1062         deleted: false,
1063         nsfw: false,
1064         actor_id: inserted_community.actor_id.clone(),
1065         local: true,
1066         title: "nada".to_owned(),
1067         description: None,
1068         updated: None,
1069         banner: None,
1070         hidden: false,
1071         posting_restricted_to_mods: false,
1072         published: inserted_community.published,
1073         instance_id: data.inserted_instance.id,
1074         private_key: inserted_community.private_key.clone(),
1075         public_key: inserted_community.public_key.clone(),
1076         last_refreshed_at: inserted_community.last_refreshed_at,
1077         followers_url: inserted_community.followers_url.clone(),
1078         inbox_url: inserted_community.inbox_url.clone(),
1079         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1080         moderators_url: inserted_community.moderators_url.clone(),
1081         featured_url: inserted_community.featured_url.clone(),
1082       },
1083       counts: PostAggregates {
1084         id: agg.id,
1085         post_id: inserted_post.id,
1086         comments: 0,
1087         score: 0,
1088         upvotes: 0,
1089         downvotes: 0,
1090         published: agg.published,
1091         newest_comment_time_necro: inserted_post.published,
1092         newest_comment_time: inserted_post.published,
1093         featured_community: false,
1094         featured_local: false,
1095         hot_rank: 1728,
1096         hot_rank_active: 1728,
1097         controversy_rank: 0.0,
1098         community_id: inserted_post.community_id,
1099         creator_id: inserted_post.creator_id,
1100       },
1101       subscribed: SubscribedType::NotSubscribed,
1102       read: false,
1103       saved: false,
1104       creator_blocked: false,
1105     }
1106   }
1107 }