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::{functions::hot_rank, 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 person_alias_1 = diesel::alias!(person as person1);
  78     let mut query = post::table
  79       .find(post_id)
  80       .inner_join(person::table)
  81       .inner_join(community::table)
  82       .left_join(
  83         community_person_ban::table.on(
  84           post::community_id
  85             .eq(community_person_ban::community_id)
  86             .and(community_person_ban::person_id.eq(post::creator_id))
  87             .and(
  88               community_person_ban::expires
  89                 .is_null()
  90                 .or(community_person_ban::expires.gt(now)),
  91             ),
  92         ),
  93       )
  94       .inner_join(post_aggregates::table)
  95       .left_join(
  96         community_follower::table.on(
  97           post::community_id
  98             .eq(community_follower::community_id)
  99             .and(community_follower::person_id.eq(person_id_join)),
 100         ),
 101       )
 102       .left_join(
 103         post_saved::table.on(
 104           post::id
 105             .eq(post_saved::post_id)
 106             .and(post_saved::person_id.eq(person_id_join)),
 107         ),
 108       )
 109       .left_join(
 110         post_read::table.on(
 111           post::id
 112             .eq(post_read::post_id)
 113             .and(post_read::person_id.eq(person_id_join)),
 114         ),
 115       )
 116       .left_join(
 117         person_block::table.on(
 118           post::creator_id
 119             .eq(person_block::target_id)
 120             .and(person_block::person_id.eq(person_id_join)),
 121         ),
 122       )
 123       .left_join(
 124         post_like::table.on(
 125           post::id
 126             .eq(post_like::post_id)
 127             .and(post_like::person_id.eq(person_id_join)),
 128         ),
 129       )
 130       .left_join(
 131         person_post_aggregates::table.on(
 132           post::id
 133             .eq(person_post_aggregates::post_id)
 134             .and(person_post_aggregates::person_id.eq(person_id_join)),
 135         ),
 136       )
 137       // Used to check if you are the post creator
 138       .left_join(
 139         person_alias_1.on(
 140           post::creator_id
 141             .eq(person_alias_1.field(person::id))
 142             .and(person_alias_1.field(person::id).eq(person_id_join)),
 143         ),
 144       )
 145       .select((
 146         post::all_columns,
 147         person::all_columns,
 148         community::all_columns,
 149         community_person_ban::all_columns.nullable(),
 150         post_aggregates::all_columns,
 151         community_follower::all_columns.nullable(),
 152         post_saved::all_columns.nullable(),
 153         post_read::all_columns.nullable(),
 154         person_block::all_columns.nullable(),
 155         post_like::score.nullable(),
 156         coalesce(
 157           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 158           post_aggregates::comments,
 159         ),
 160       ))
 161       .into_boxed();
 162
 163     // If you are not a moderator, exclude deleted or removed content
 164     if !is_mod_or_admin.unwrap_or(true) {
 165       // If you are not the creator, then remove the other fields.
 166       query = query
 167         .filter(
 168           person_alias_1.field(person::id).is_null().and(
 169             post::removed
 170               .eq(false)
 171               .and(post::deleted.eq(false))
 172               .and(community::removed.eq(false))
 173               .and(community::deleted.eq(false)),
 174           ),
 175         )
 176         // If you are the creator, keep them
 177         .or_filter(person_alias_1.field(person::id).is_not_null())
 178     }
 179
 180     let (
 181       post,
 182       creator,
 183       community,
 184       creator_banned_from_community,
 185       counts,
 186       follower,
 187       saved,
 188       read,
 189       creator_blocked,
 190       post_like,
 191       unread_comments,
 192     ) = query.first::<PostViewTuple>(conn).await?;
 193
 194     // If a person is given, then my_vote, if None, should be 0, not null
 195     // Necessary to differentiate between other person's votes
 196     let my_vote = if my_person_id.is_some() && post_like.is_none() {
 197       Some(0)
 198     } else {
 199       post_like
 200     };
 201
 202     Ok(PostView {
 203       post,
 204       creator,
 205       community,
 206       creator_banned_from_community: creator_banned_from_community.is_some(),
 207       counts,
 208       subscribed: CommunityFollower::to_subscribed_type(&follower),
 209       saved: saved.is_some(),
 210       read: read.is_some(),
 211       creator_blocked: creator_blocked.is_some(),
 212       my_vote,
 213       unread_comments,
 214     })
 215   }
 216 }
 217
 218 #[derive(TypedBuilder)]
 219 #[builder(field_defaults(default))]
 220 pub struct PostQuery<'a> {
 221   #[builder(!default)]
 222   pool: &'a DbPool,
 223   listing_type: Option<ListingType>,
 224   sort: Option<SortType>,
 225   creator_id: Option<PersonId>,
 226   community_id: Option<CommunityId>,
 227   local_user: Option<&'a LocalUser>,
 228   search_term: Option<String>,
 229   url_search: Option<String>,
 230   saved_only: Option<bool>,
 231   /// Used to show deleted or removed posts for admins
 232   is_mod_or_admin: Option<bool>,
 233   page: Option<i64>,
 234   limit: Option<i64>,
 235 }
 236
 237 impl<'a> PostQuery<'a> {
 238   pub async fn list(self) -> Result<Vec<PostView>, Error> {
 239     let conn = &mut get_conn(self.pool).await?;
 240
 241     // The left join below will return None in this case
 242     let person_id_join = self.local_user.map(|l| l.person_id).unwrap_or(PersonId(-1));
 243     let local_user_id_join = self.local_user.map(|l| l.id).unwrap_or(LocalUserId(-1));
 244     let person_alias_1 = diesel::alias!(person as person1);
 245
 246     let mut query = post::table
 247       .inner_join(person::table)
 248       .inner_join(community::table)
 249       .left_join(
 250         community_person_ban::table.on(
 251           post::community_id
 252             .eq(community_person_ban::community_id)
 253             .and(community_person_ban::person_id.eq(post::creator_id))
 254             .and(
 255               community_person_ban::expires
 256                 .is_null()
 257                 .or(community_person_ban::expires.gt(now)),
 258             ),
 259         ),
 260       )
 261       .inner_join(post_aggregates::table)
 262       .left_join(
 263         community_follower::table.on(
 264           post::community_id
 265             .eq(community_follower::community_id)
 266             .and(community_follower::person_id.eq(person_id_join)),
 267         ),
 268       )
 269       .left_join(
 270         post_saved::table.on(
 271           post::id
 272             .eq(post_saved::post_id)
 273             .and(post_saved::person_id.eq(person_id_join)),
 274         ),
 275       )
 276       .left_join(
 277         post_read::table.on(
 278           post::id
 279             .eq(post_read::post_id)
 280             .and(post_read::person_id.eq(person_id_join)),
 281         ),
 282       )
 283       .left_join(
 284         person_block::table.on(
 285           post::creator_id
 286             .eq(person_block::target_id)
 287             .and(person_block::person_id.eq(person_id_join)),
 288         ),
 289       )
 290       .left_join(
 291         community_block::table.on(
 292           community::id
 293             .eq(community_block::community_id)
 294             .and(community_block::person_id.eq(person_id_join)),
 295         ),
 296       )
 297       .left_join(
 298         post_like::table.on(
 299           post::id
 300             .eq(post_like::post_id)
 301             .and(post_like::person_id.eq(person_id_join)),
 302         ),
 303       )
 304       .left_join(
 305         person_post_aggregates::table.on(
 306           post::id
 307             .eq(person_post_aggregates::post_id)
 308             .and(person_post_aggregates::person_id.eq(person_id_join)),
 309         ),
 310       )
 311       .left_join(
 312         local_user_language::table.on(
 313           post::language_id
 314             .eq(local_user_language::language_id)
 315             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 316         ),
 317       )
 318       // Used to check if you are the post creator
 319       .left_join(
 320         person_alias_1.on(
 321           post::creator_id
 322             .eq(person_alias_1.field(person::id))
 323             .and(person_alias_1.field(person::id).eq(person_id_join)),
 324         ),
 325       )
 326       .select((
 327         post::all_columns,
 328         person::all_columns,
 329         community::all_columns,
 330         community_person_ban::all_columns.nullable(),
 331         post_aggregates::all_columns,
 332         community_follower::all_columns.nullable(),
 333         post_saved::all_columns.nullable(),
 334         post_read::all_columns.nullable(),
 335         person_block::all_columns.nullable(),
 336         post_like::score.nullable(),
 337         coalesce(
 338           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 339           post_aggregates::comments,
 340         ),
 341       ))
 342       .into_boxed();
 343
 344     // If you are not a moderator, exclude deleted or removed content
 345     if !self.is_mod_or_admin.unwrap_or(true) {
 346       // If you are not the creator, then remove the other fields.
 347       query = query
 348         .filter(
 349           person_alias_1.field(person::id).is_null().and(
 350             post::removed
 351               .eq(false)
 352               .and(post::deleted.eq(false))
 353               .and(community::removed.eq(false))
 354               .and(community::deleted.eq(false)),
 355           ),
 356         )
 357         // If you are the creator, keep them
 358         .or_filter(person_alias_1.field(person::id).is_not_null())
 359     }
 360
 361     if let Some(listing_type) = self.listing_type {
 362       match listing_type {
 363         ListingType::Subscribed => {
 364           query = query.filter(community_follower::person_id.is_not_null())
 365         }
 366         ListingType::Local => {
 367           query = query.filter(community::local.eq(true)).filter(
 368             community::hidden
 369               .eq(false)
 370               .or(community_follower::person_id.eq(person_id_join)),
 371           );
 372         }
 373         ListingType::All => {
 374           query = query.filter(
 375             community::hidden
 376               .eq(false)
 377               .or(community_follower::person_id.eq(person_id_join)),
 378           )
 379         }
 380       }
 381     }
 382     if self.community_id.is_none() {
 383       query = query.then_order_by(post_aggregates::featured_local.desc());
 384     } else if let Some(community_id) = self.community_id {
 385       query = query
 386         .filter(post::community_id.eq(community_id))
 387         .then_order_by(post_aggregates::featured_community.desc());
 388     }
 389
 390     if let Some(url_search) = self.url_search {
 391       query = query.filter(post::url.eq(url_search));
 392     }
 393
 394     if let Some(search_term) = self.search_term {
 395       let searcher = fuzzy_search(&search_term);
 396       query = query.filter(
 397         post::name
 398           .ilike(searcher.clone())
 399           .or(post::body.ilike(searcher)),
 400       );
 401     }
 402
 403     if let Some(creator_id) = self.creator_id {
 404       query = query.filter(post::creator_id.eq(creator_id));
 405     }
 406
 407     if !self.local_user.map(|l| l.show_nsfw).unwrap_or(false) {
 408       query = query
 409         .filter(post::nsfw.eq(false))
 410         .filter(community::nsfw.eq(false));
 411     };
 412
 413     if !self.local_user.map(|l| l.show_bot_accounts).unwrap_or(true) {
 414       query = query.filter(person::bot_account.eq(false));
 415     };
 416
 417     if self.saved_only.unwrap_or(false) {
 418       query = query.filter(post_saved::post_id.is_not_null());
 419     }
 420     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 421     // setting wont be able to see saved posts.
 422     else if !self.local_user.map(|l| l.show_read_posts).unwrap_or(true) {
 423       query = query.filter(post_read::post_id.is_null());
 424     }
 425
 426     if self.local_user.is_some() {
 427       // Filter out the rows with missing languages
 428       query = query.filter(local_user_language::language_id.is_not_null());
 429
 430       // Don't show blocked communities or persons
 431       query = query.filter(community_block::person_id.is_null());
 432       query = query.filter(person_block::person_id.is_null());
 433     }
 434
 435     query = match self.sort.unwrap_or(SortType::Hot) {
 436       SortType::Active => query
 437         .then_order_by(
 438           hot_rank(
 439             post_aggregates::score,
 440             post_aggregates::newest_comment_time_necro,
 441           )
 442           .desc(),
 443         )
 444         .then_order_by(post_aggregates::newest_comment_time_necro.desc()),
 445       SortType::Hot => query
 446         .then_order_by(hot_rank(post_aggregates::score, post_aggregates::published).desc())
 447         .then_order_by(post_aggregates::published.desc()),
 448       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 449       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 450       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 451       SortType::MostComments => query
 452         .then_order_by(post_aggregates::comments.desc())
 453         .then_order_by(post_aggregates::published.desc()),
 454       SortType::TopAll => query
 455         .then_order_by(post_aggregates::score.desc())
 456         .then_order_by(post_aggregates::published.desc()),
 457       SortType::TopYear => query
 458         .filter(post_aggregates::published.gt(now - 1.years()))
 459         .then_order_by(post_aggregates::score.desc())
 460         .then_order_by(post_aggregates::published.desc()),
 461       SortType::TopMonth => query
 462         .filter(post_aggregates::published.gt(now - 1.months()))
 463         .then_order_by(post_aggregates::score.desc())
 464         .then_order_by(post_aggregates::published.desc()),
 465       SortType::TopWeek => query
 466         .filter(post_aggregates::published.gt(now - 1.weeks()))
 467         .then_order_by(post_aggregates::score.desc())
 468         .then_order_by(post_aggregates::published.desc()),
 469       SortType::TopDay => query
 470         .filter(post_aggregates::published.gt(now - 1.days()))
 471         .then_order_by(post_aggregates::score.desc())
 472         .then_order_by(post_aggregates::published.desc()),
 473     };
 474
 475     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 476
 477     query = query.limit(limit).offset(offset);
 478
 479     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 480
 481     let res = query.load::<PostViewTuple>(conn).await?;
 482
 483     Ok(res.into_iter().map(PostView::from_tuple).collect())
 484   }
 485 }
 486
 487 impl JoinView for PostView {
 488   type JoinTuple = PostViewTuple;
 489   fn from_tuple(a: Self::JoinTuple) -> Self {
 490     Self {
 491       post: a.0,
 492       creator: a.1,
 493       community: a.2,
 494       creator_banned_from_community: a.3.is_some(),
 495       counts: a.4,
 496       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 497       saved: a.6.is_some(),
 498       read: a.7.is_some(),
 499       creator_blocked: a.8.is_some(),
 500       my_vote: a.9,
 501       unread_comments: a.10,
 502     }
 503   }
 504 }
 505
 506 #[cfg(test)]
 507 mod tests {
 508   use crate::post_view::{PostQuery, PostView};
 509   use lemmy_db_schema::{
 510     aggregates::structs::PostAggregates,
 511     impls::actor_language::UNDETERMINED_ID,
 512     newtypes::LanguageId,
 513     source::{
 514       actor_language::LocalUserLanguage,
 515       community::{Community, CommunityInsertForm},
 516       community_block::{CommunityBlock, CommunityBlockForm},
 517       instance::Instance,
 518       language::Language,
 519       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 520       person::{Person, PersonInsertForm},
 521       person_block::{PersonBlock, PersonBlockForm},
 522       post::{Post, PostInsertForm, PostLike, PostLikeForm},
 523     },
 524     traits::{Blockable, Crud, Likeable},
 525     utils::{build_db_pool_for_tests, DbPool},
 526     SortType,
 527     SubscribedType,
 528   };
 529   use serial_test::serial;
 530
 531   struct Data {
 532     inserted_instance: Instance,
 533     inserted_person: Person,
 534     inserted_local_user: LocalUser,
 535     inserted_blocked_person: Person,
 536     inserted_bot: Person,
 537     inserted_community: Community,
 538     inserted_post: Post,
 539   }
 540
 541   async fn init_data(pool: &DbPool) -> Data {
 542     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 543       .await
 544       .unwrap();
 545
 546     let person_name = "tegan".to_string();
 547
 548     let new_person = PersonInsertForm::builder()
 549       .name(person_name.clone())
 550       .public_key("pubkey".to_string())
 551       .instance_id(inserted_instance.id)
 552       .build();
 553
 554     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 555
 556     let local_user_form = LocalUserInsertForm::builder()
 557       .person_id(inserted_person.id)
 558       .password_encrypted(String::new())
 559       .build();
 560     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 561
 562     let new_bot = PersonInsertForm::builder()
 563       .name("mybot".to_string())
 564       .bot_account(Some(true))
 565       .public_key("pubkey".to_string())
 566       .instance_id(inserted_instance.id)
 567       .build();
 568
 569     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 570
 571     let new_community = CommunityInsertForm::builder()
 572       .name("test_community_3".to_string())
 573       .title("nada".to_owned())
 574       .public_key("pubkey".to_string())
 575       .instance_id(inserted_instance.id)
 576       .build();
 577
 578     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 579
 580     // Test a person block, make sure the post query doesn't include their post
 581     let blocked_person = PersonInsertForm::builder()
 582       .name(person_name)
 583       .public_key("pubkey".to_string())
 584       .instance_id(inserted_instance.id)
 585       .build();
 586
 587     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 588
 589     let post_from_blocked_person = PostInsertForm::builder()
 590       .name("blocked_person_post".to_string())
 591       .creator_id(inserted_blocked_person.id)
 592       .community_id(inserted_community.id)
 593       .language_id(Some(LanguageId(1)))
 594       .build();
 595
 596     Post::create(pool, &post_from_blocked_person).await.unwrap();
 597
 598     // block that person
 599     let person_block = PersonBlockForm {
 600       person_id: inserted_person.id,
 601       target_id: inserted_blocked_person.id,
 602     };
 603
 604     PersonBlock::block(pool, &person_block).await.unwrap();
 605
 606     // A sample post
 607     let new_post = PostInsertForm::builder()
 608       .name("test post 3".to_string())
 609       .creator_id(inserted_person.id)
 610       .community_id(inserted_community.id)
 611       .language_id(Some(LanguageId(47)))
 612       .build();
 613
 614     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 615
 616     let new_bot_post = PostInsertForm::builder()
 617       .name("test bot post".to_string())
 618       .creator_id(inserted_bot.id)
 619       .community_id(inserted_community.id)
 620       .build();
 621
 622     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 623
 624     Data {
 625       inserted_instance,
 626       inserted_person,
 627       inserted_local_user,
 628       inserted_blocked_person,
 629       inserted_bot,
 630       inserted_community,
 631       inserted_post,
 632     }
 633   }
 634
 635   #[tokio::test]
 636   #[serial]
 637   async fn post_listing_with_person() {
 638     let pool = &build_db_pool_for_tests().await;
 639     let data = init_data(pool).await;
 640
 641     let local_user_form = LocalUserUpdateForm::builder()
 642       .show_bot_accounts(Some(false))
 643       .build();
 644     let inserted_local_user =
 645       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 646         .await
 647         .unwrap();
 648
 649     let read_post_listing = PostQuery::builder()
 650       .pool(pool)
 651       .sort(Some(SortType::New))
 652       .community_id(Some(data.inserted_community.id))
 653       .local_user(Some(&inserted_local_user))
 654       .build()
 655       .list()
 656       .await
 657       .unwrap();
 658
 659     let post_listing_single_with_person = PostView::read(
 660       pool,
 661       data.inserted_post.id,
 662       Some(data.inserted_person.id),
 663       None,
 664     )
 665     .await
 666     .unwrap();
 667
 668     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 669
 670     // Should be only one person, IE the bot post, and blocked should be missing
 671     assert_eq!(1, read_post_listing.len());
 672
 673     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 674     expected_post_listing_with_user.my_vote = Some(0);
 675     assert_eq!(
 676       expected_post_listing_with_user,
 677       post_listing_single_with_person
 678     );
 679
 680     let local_user_form = LocalUserUpdateForm::builder()
 681       .show_bot_accounts(Some(true))
 682       .build();
 683     let inserted_local_user =
 684       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 685         .await
 686         .unwrap();
 687
 688     let post_listings_with_bots = PostQuery::builder()
 689       .pool(pool)
 690       .sort(Some(SortType::New))
 691       .community_id(Some(data.inserted_community.id))
 692       .local_user(Some(&inserted_local_user))
 693       .build()
 694       .list()
 695       .await
 696       .unwrap();
 697     // should include bot post which has "undetermined" language
 698     assert_eq!(2, post_listings_with_bots.len());
 699
 700     cleanup(data, pool).await;
 701   }
 702
 703   #[tokio::test]
 704   #[serial]
 705   async fn post_listing_no_person() {
 706     let pool = &build_db_pool_for_tests().await;
 707     let data = init_data(pool).await;
 708
 709     let read_post_listing_multiple_no_person = PostQuery::builder()
 710       .pool(pool)
 711       .sort(Some(SortType::New))
 712       .community_id(Some(data.inserted_community.id))
 713       .build()
 714       .list()
 715       .await
 716       .unwrap();
 717
 718     let read_post_listing_single_no_person =
 719       PostView::read(pool, data.inserted_post.id, None, None)
 720         .await
 721         .unwrap();
 722
 723     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 724
 725     // Should be 2 posts, with the bot post, and the blocked
 726     assert_eq!(3, read_post_listing_multiple_no_person.len());
 727
 728     assert_eq!(
 729       expected_post_listing_no_person,
 730       read_post_listing_multiple_no_person[1]
 731     );
 732     assert_eq!(
 733       expected_post_listing_no_person,
 734       read_post_listing_single_no_person
 735     );
 736
 737     cleanup(data, pool).await;
 738   }
 739
 740   #[tokio::test]
 741   #[serial]
 742   async fn post_listing_block_community() {
 743     let pool = &build_db_pool_for_tests().await;
 744     let data = init_data(pool).await;
 745
 746     let community_block = CommunityBlockForm {
 747       person_id: data.inserted_person.id,
 748       community_id: data.inserted_community.id,
 749     };
 750     CommunityBlock::block(pool, &community_block).await.unwrap();
 751
 752     let read_post_listings_with_person_after_block = PostQuery::builder()
 753       .pool(pool)
 754       .sort(Some(SortType::New))
 755       .community_id(Some(data.inserted_community.id))
 756       .local_user(Some(&data.inserted_local_user))
 757       .build()
 758       .list()
 759       .await
 760       .unwrap();
 761     // Should be 0 posts after the community block
 762     assert_eq!(0, read_post_listings_with_person_after_block.len());
 763
 764     CommunityBlock::unblock(pool, &community_block)
 765       .await
 766       .unwrap();
 767     cleanup(data, pool).await;
 768   }
 769
 770   #[tokio::test]
 771   #[serial]
 772   async fn post_listing_like() {
 773     let pool = &build_db_pool_for_tests().await;
 774     let data = init_data(pool).await;
 775
 776     let post_like_form = PostLikeForm {
 777       post_id: data.inserted_post.id,
 778       person_id: data.inserted_person.id,
 779       score: 1,
 780     };
 781
 782     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 783
 784     let expected_post_like = PostLike {
 785       id: inserted_post_like.id,
 786       post_id: data.inserted_post.id,
 787       person_id: data.inserted_person.id,
 788       published: inserted_post_like.published,
 789       score: 1,
 790     };
 791     assert_eq!(expected_post_like, inserted_post_like);
 792
 793     let like_removed = PostLike::remove(pool, data.inserted_person.id, data.inserted_post.id)
 794       .await
 795       .unwrap();
 796     assert_eq!(1, like_removed);
 797     cleanup(data, pool).await;
 798   }
 799
 800   #[tokio::test]
 801   #[serial]
 802   async fn post_listing_person_language() {
 803     let pool = &build_db_pool_for_tests().await;
 804     let data = init_data(pool).await;
 805
 806     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 807       .await
 808       .unwrap()
 809       .unwrap();
 810     let post_spanish = PostInsertForm::builder()
 811       .name("asffgdsc".to_string())
 812       .creator_id(data.inserted_person.id)
 813       .community_id(data.inserted_community.id)
 814       .language_id(Some(spanish_id))
 815       .build();
 816
 817     Post::create(pool, &post_spanish).await.unwrap();
 818
 819     let post_listings_all = PostQuery::builder()
 820       .pool(pool)
 821       .sort(Some(SortType::New))
 822       .local_user(Some(&data.inserted_local_user))
 823       .build()
 824       .list()
 825       .await
 826       .unwrap();
 827
 828     // no language filters specified, all posts should be returned
 829     assert_eq!(3, post_listings_all.len());
 830
 831     let french_id = Language::read_id_from_code(pool, Some("fr"))
 832       .await
 833       .unwrap()
 834       .unwrap();
 835     LocalUserLanguage::update(pool, vec![french_id], data.inserted_local_user.id)
 836       .await
 837       .unwrap();
 838
 839     let post_listing_french = PostQuery::builder()
 840       .pool(pool)
 841       .sort(Some(SortType::New))
 842       .local_user(Some(&data.inserted_local_user))
 843       .build()
 844       .list()
 845       .await
 846       .unwrap();
 847
 848     // only one french language post should be returned
 849     assert_eq!(1, post_listing_french.len());
 850     assert_eq!(french_id, post_listing_french[0].post.language_id);
 851
 852     LocalUserLanguage::update(
 853       pool,
 854       vec![french_id, UNDETERMINED_ID],
 855       data.inserted_local_user.id,
 856     )
 857     .await
 858     .unwrap();
 859     let post_listings_french_und = PostQuery::builder()
 860       .pool(pool)
 861       .sort(Some(SortType::New))
 862       .local_user(Some(&data.inserted_local_user))
 863       .build()
 864       .list()
 865       .await
 866       .unwrap();
 867
 868     // french post and undetermined language post should be returned
 869     assert_eq!(2, post_listings_french_und.len());
 870     assert_eq!(
 871       UNDETERMINED_ID,
 872       post_listings_french_und[0].post.language_id
 873     );
 874     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 875
 876     cleanup(data, pool).await;
 877   }
 878
 879   async fn cleanup(data: Data, pool: &DbPool) {
 880     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
 881     Community::delete(pool, data.inserted_community.id)
 882       .await
 883       .unwrap();
 884     Person::delete(pool, data.inserted_person.id).await.unwrap();
 885     Person::delete(pool, data.inserted_bot.id).await.unwrap();
 886     Person::delete(pool, data.inserted_blocked_person.id)
 887       .await
 888       .unwrap();
 889     Instance::delete(pool, data.inserted_instance.id)
 890       .await
 891       .unwrap();
 892     assert_eq!(1, num_deleted);
 893   }
 894
 895   async fn expected_post_view(data: &Data, pool: &DbPool) -> PostView {
 896     let (inserted_person, inserted_community, inserted_post) = (
 897       &data.inserted_person,
 898       &data.inserted_community,
 899       &data.inserted_post,
 900     );
 901     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 902
 903     PostView {
 904       post: Post {
 905         id: inserted_post.id,
 906         name: inserted_post.name.clone(),
 907         creator_id: inserted_person.id,
 908         url: None,
 909         body: None,
 910         published: inserted_post.published,
 911         updated: None,
 912         community_id: inserted_community.id,
 913         removed: false,
 914         deleted: false,
 915         locked: false,
 916         nsfw: false,
 917         embed_title: None,
 918         embed_description: None,
 919         embed_video_url: None,
 920         thumbnail_url: None,
 921         ap_id: inserted_post.ap_id.clone(),
 922         local: true,
 923         language_id: LanguageId(47),
 924         featured_community: false,
 925         featured_local: false,
 926       },
 927       my_vote: None,
 928       unread_comments: 0,
 929       creator: Person {
 930         id: inserted_person.id,
 931         name: inserted_person.name.clone(),
 932         display_name: None,
 933         published: inserted_person.published,
 934         avatar: None,
 935         actor_id: inserted_person.actor_id.clone(),
 936         local: true,
 937         admin: false,
 938         bot_account: false,
 939         banned: false,
 940         deleted: false,
 941         bio: None,
 942         banner: None,
 943         updated: None,
 944         inbox_url: inserted_person.inbox_url.clone(),
 945         shared_inbox_url: None,
 946         matrix_user_id: None,
 947         ban_expires: None,
 948         instance_id: data.inserted_instance.id,
 949         private_key: inserted_person.private_key.clone(),
 950         public_key: inserted_person.public_key.clone(),
 951         last_refreshed_at: inserted_person.last_refreshed_at,
 952       },
 953       creator_banned_from_community: false,
 954       community: Community {
 955         id: inserted_community.id,
 956         name: inserted_community.name.clone(),
 957         icon: None,
 958         removed: false,
 959         deleted: false,
 960         nsfw: false,
 961         actor_id: inserted_community.actor_id.clone(),
 962         local: true,
 963         title: "nada".to_owned(),
 964         description: None,
 965         updated: None,
 966         banner: None,
 967         hidden: false,
 968         posting_restricted_to_mods: false,
 969         published: inserted_community.published,
 970         instance_id: data.inserted_instance.id,
 971         private_key: inserted_community.private_key.clone(),
 972         public_key: inserted_community.public_key.clone(),
 973         last_refreshed_at: inserted_community.last_refreshed_at,
 974         followers_url: inserted_community.followers_url.clone(),
 975         inbox_url: inserted_community.inbox_url.clone(),
 976         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
 977         moderators_url: inserted_community.moderators_url.clone(),
 978         featured_url: inserted_community.featured_url.clone(),
 979       },
 980       counts: PostAggregates {
 981         id: agg.id,
 982         post_id: inserted_post.id,
 983         comments: 0,
 984         score: 0,
 985         upvotes: 0,
 986         downvotes: 0,
 987         published: agg.published,
 988         newest_comment_time_necro: inserted_post.published,
 989         newest_comment_time: inserted_post.published,
 990         featured_community: false,
 991         featured_local: false,
 992       },
 993       subscribed: SubscribedType::NotSubscribed,
 994       read: false,
 995       saved: false,
 996       creator_blocked: false,
 997     }
 998   }
 999 }