crates/db_views/src/post_view.rs

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