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, DbUrl, 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, CommunitySafe},
  37     local_user::LocalUser,
  38     person::{Person, PersonSafe},
  39     person_block::PersonBlock,
  40     post::{Post, PostRead, PostSaved},
  41   },
  42   traits::{ToSafe, ViewToVec},
  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   PersonSafe,
  53   CommunitySafe,
  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::safe_columns_tuple(),
 148         Community::safe_columns_tuple(),
 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   community_actor_id: Option<DbUrl>,
 228   local_user: Option<&'a LocalUser>,
 229   search_term: Option<String>,
 230   url_search: Option<String>,
 231   saved_only: Option<bool>,
 232   /// Used to show deleted or removed posts for admins
 233   is_mod_or_admin: Option<bool>,
 234   page: Option<i64>,
 235   limit: Option<i64>,
 236 }
 237
 238 impl<'a> PostQuery<'a> {
 239   pub async fn list(self) -> Result<Vec<PostView>, Error> {
 240     let conn = &mut get_conn(self.pool).await?;
 241
 242     // The left join below will return None in this case
 243     let person_id_join = self.local_user.map(|l| l.person_id).unwrap_or(PersonId(-1));
 244     let local_user_id_join = self.local_user.map(|l| l.id).unwrap_or(LocalUserId(-1));
 245     let person_alias_1 = diesel::alias!(person as person1);
 246
 247     let mut query = post::table
 248       .inner_join(person::table)
 249       .inner_join(community::table)
 250       .left_join(
 251         community_person_ban::table.on(
 252           post::community_id
 253             .eq(community_person_ban::community_id)
 254             .and(community_person_ban::person_id.eq(post::creator_id))
 255             .and(
 256               community_person_ban::expires
 257                 .is_null()
 258                 .or(community_person_ban::expires.gt(now)),
 259             ),
 260         ),
 261       )
 262       .inner_join(post_aggregates::table)
 263       .left_join(
 264         community_follower::table.on(
 265           post::community_id
 266             .eq(community_follower::community_id)
 267             .and(community_follower::person_id.eq(person_id_join)),
 268         ),
 269       )
 270       .left_join(
 271         post_saved::table.on(
 272           post::id
 273             .eq(post_saved::post_id)
 274             .and(post_saved::person_id.eq(person_id_join)),
 275         ),
 276       )
 277       .left_join(
 278         post_read::table.on(
 279           post::id
 280             .eq(post_read::post_id)
 281             .and(post_read::person_id.eq(person_id_join)),
 282         ),
 283       )
 284       .left_join(
 285         person_block::table.on(
 286           post::creator_id
 287             .eq(person_block::target_id)
 288             .and(person_block::person_id.eq(person_id_join)),
 289         ),
 290       )
 291       .left_join(
 292         community_block::table.on(
 293           community::id
 294             .eq(community_block::community_id)
 295             .and(community_block::person_id.eq(person_id_join)),
 296         ),
 297       )
 298       .left_join(
 299         post_like::table.on(
 300           post::id
 301             .eq(post_like::post_id)
 302             .and(post_like::person_id.eq(person_id_join)),
 303         ),
 304       )
 305       .left_join(
 306         person_post_aggregates::table.on(
 307           post::id
 308             .eq(person_post_aggregates::post_id)
 309             .and(person_post_aggregates::person_id.eq(person_id_join)),
 310         ),
 311       )
 312       .left_join(
 313         local_user_language::table.on(
 314           post::language_id
 315             .eq(local_user_language::language_id)
 316             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 317         ),
 318       )
 319       // Used to check if you are the post creator
 320       .left_join(
 321         person_alias_1.on(
 322           post::creator_id
 323             .eq(person_alias_1.field(person::id))
 324             .and(person_alias_1.field(person::id).eq(person_id_join)),
 325         ),
 326       )
 327       .select((
 328         post::all_columns,
 329         Person::safe_columns_tuple(),
 330         Community::safe_columns_tuple(),
 331         community_person_ban::all_columns.nullable(),
 332         post_aggregates::all_columns,
 333         community_follower::all_columns.nullable(),
 334         post_saved::all_columns.nullable(),
 335         post_read::all_columns.nullable(),
 336         person_block::all_columns.nullable(),
 337         post_like::score.nullable(),
 338         coalesce(
 339           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 340           post_aggregates::comments,
 341         ),
 342       ))
 343       .into_boxed();
 344
 345     // If you are not a moderator, exclude deleted or removed content
 346     if !self.is_mod_or_admin.unwrap_or(true) {
 347       // If you are not the creator, then remove the other fields.
 348       query = query
 349         .filter(
 350           person_alias_1.field(person::id).is_null().and(
 351             post::removed
 352               .eq(false)
 353               .and(post::deleted.eq(false))
 354               .and(community::removed.eq(false))
 355               .and(community::deleted.eq(false)),
 356           ),
 357         )
 358         // If you are the creator, keep them
 359         .or_filter(person_alias_1.field(person::id).is_not_null())
 360     }
 361
 362     if let Some(listing_type) = self.listing_type {
 363       match listing_type {
 364         ListingType::Subscribed => {
 365           query = query.filter(community_follower::person_id.is_not_null())
 366         }
 367         ListingType::Local => {
 368           query = query.filter(community::local.eq(true)).filter(
 369             community::hidden
 370               .eq(false)
 371               .or(community_follower::person_id.eq(person_id_join)),
 372           );
 373         }
 374         ListingType::All => {
 375           query = query.filter(
 376             community::hidden
 377               .eq(false)
 378               .or(community_follower::person_id.eq(person_id_join)),
 379           )
 380         }
 381       }
 382     }
 383     if self.community_id.is_none() && self.community_actor_id.is_none() {
 384       query = query.then_order_by(post_aggregates::featured_local.desc());
 385     } else if let Some(community_id) = self.community_id {
 386       query = query
 387         .filter(post::community_id.eq(community_id))
 388         .then_order_by(post_aggregates::featured_community.desc());
 389     } else if let Some(community_actor_id) = self.community_actor_id {
 390       query = query
 391         .filter(community::actor_id.eq(community_actor_id))
 392         .then_order_by(post_aggregates::featured_community.desc());
 393     }
 394
 395     if let Some(url_search) = self.url_search {
 396       query = query.filter(post::url.eq(url_search));
 397     }
 398
 399     if let Some(search_term) = self.search_term {
 400       let searcher = fuzzy_search(&search_term);
 401       query = query.filter(
 402         post::name
 403           .ilike(searcher.clone())
 404           .or(post::body.ilike(searcher)),
 405       );
 406     }
 407
 408     if let Some(creator_id) = self.creator_id {
 409       query = query.filter(post::creator_id.eq(creator_id));
 410     }
 411
 412     if !self.local_user.map(|l| l.show_nsfw).unwrap_or(false) {
 413       query = query
 414         .filter(post::nsfw.eq(false))
 415         .filter(community::nsfw.eq(false));
 416     };
 417
 418     if !self.local_user.map(|l| l.show_bot_accounts).unwrap_or(true) {
 419       query = query.filter(person::bot_account.eq(false));
 420     };
 421
 422     if self.saved_only.unwrap_or(false) {
 423       query = query.filter(post_saved::post_id.is_not_null());
 424     }
 425     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 426     // setting wont be able to see saved posts.
 427     else if !self.local_user.map(|l| l.show_read_posts).unwrap_or(true) {
 428       query = query.filter(post_read::post_id.is_null());
 429     }
 430
 431     if self.local_user.is_some() {
 432       // Filter out the rows with missing languages
 433       query = query.filter(local_user_language::language_id.is_not_null());
 434
 435       // Don't show blocked communities or persons
 436       query = query.filter(community_block::person_id.is_null());
 437       query = query.filter(person_block::person_id.is_null());
 438     }
 439
 440     query = match self.sort.unwrap_or(SortType::Hot) {
 441       SortType::Active => query
 442         .then_order_by(
 443           hot_rank(
 444             post_aggregates::score,
 445             post_aggregates::newest_comment_time_necro,
 446           )
 447           .desc(),
 448         )
 449         .then_order_by(post_aggregates::newest_comment_time_necro.desc()),
 450       SortType::Hot => query
 451         .then_order_by(hot_rank(post_aggregates::score, post_aggregates::published).desc())
 452         .then_order_by(post_aggregates::published.desc()),
 453       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 454       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 455       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 456       SortType::MostComments => query
 457         .then_order_by(post_aggregates::comments.desc())
 458         .then_order_by(post_aggregates::published.desc()),
 459       SortType::TopAll => query
 460         .then_order_by(post_aggregates::score.desc())
 461         .then_order_by(post_aggregates::published.desc()),
 462       SortType::TopYear => query
 463         .filter(post_aggregates::published.gt(now - 1.years()))
 464         .then_order_by(post_aggregates::score.desc())
 465         .then_order_by(post_aggregates::published.desc()),
 466       SortType::TopMonth => query
 467         .filter(post_aggregates::published.gt(now - 1.months()))
 468         .then_order_by(post_aggregates::score.desc())
 469         .then_order_by(post_aggregates::published.desc()),
 470       SortType::TopWeek => query
 471         .filter(post_aggregates::published.gt(now - 1.weeks()))
 472         .then_order_by(post_aggregates::score.desc())
 473         .then_order_by(post_aggregates::published.desc()),
 474       SortType::TopDay => query
 475         .filter(post_aggregates::published.gt(now - 1.days()))
 476         .then_order_by(post_aggregates::score.desc())
 477         .then_order_by(post_aggregates::published.desc()),
 478     };
 479
 480     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 481
 482     query = query.limit(limit).offset(offset);
 483
 484     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 485
 486     let res = query.load::<PostViewTuple>(conn).await?;
 487
 488     Ok(PostView::from_tuple_to_vec(res))
 489   }
 490 }
 491
 492 impl ViewToVec for PostView {
 493   type DbTuple = PostViewTuple;
 494   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 495     items
 496       .into_iter()
 497       .map(|a| Self {
 498         post: a.0,
 499         creator: a.1,
 500         community: a.2,
 501         creator_banned_from_community: a.3.is_some(),
 502         counts: a.4,
 503         subscribed: CommunityFollower::to_subscribed_type(&a.5),
 504         saved: a.6.is_some(),
 505         read: a.7.is_some(),
 506         creator_blocked: a.8.is_some(),
 507         my_vote: a.9,
 508         unread_comments: a.10,
 509       })
 510       .collect::<Vec<Self>>()
 511   }
 512 }
 513
 514 #[cfg(test)]
 515 mod tests {
 516   use crate::post_view::{PostQuery, PostView};
 517   use lemmy_db_schema::{
 518     aggregates::structs::PostAggregates,
 519     impls::actor_language::UNDETERMINED_ID,
 520     newtypes::LanguageId,
 521     source::{
 522       actor_language::LocalUserLanguage,
 523       community::{Community, CommunityInsertForm, CommunitySafe},
 524       community_block::{CommunityBlock, CommunityBlockForm},
 525       instance::Instance,
 526       language::Language,
 527       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 528       person::{Person, PersonInsertForm, PersonSafe},
 529       person_block::{PersonBlock, PersonBlockForm},
 530       post::{Post, PostInsertForm, PostLike, PostLikeForm},
 531     },
 532     traits::{Blockable, Crud, Likeable},
 533     utils::{build_db_pool_for_tests, DbPool},
 534     SortType,
 535     SubscribedType,
 536   };
 537   use serial_test::serial;
 538
 539   struct Data {
 540     inserted_instance: Instance,
 541     inserted_person: Person,
 542     inserted_local_user: LocalUser,
 543     inserted_blocked_person: Person,
 544     inserted_bot: Person,
 545     inserted_community: Community,
 546     inserted_post: Post,
 547   }
 548
 549   async fn init_data(pool: &DbPool) -> Data {
 550     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 551       .await
 552       .unwrap();
 553
 554     let person_name = "tegan".to_string();
 555
 556     let new_person = PersonInsertForm::builder()
 557       .name(person_name.clone())
 558       .public_key("pubkey".to_string())
 559       .instance_id(inserted_instance.id)
 560       .build();
 561
 562     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 563
 564     let local_user_form = LocalUserInsertForm::builder()
 565       .person_id(inserted_person.id)
 566       .password_encrypted(String::new())
 567       .build();
 568     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 569
 570     let new_bot = PersonInsertForm::builder()
 571       .name("mybot".to_string())
 572       .bot_account(Some(true))
 573       .public_key("pubkey".to_string())
 574       .instance_id(inserted_instance.id)
 575       .build();
 576
 577     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 578
 579     let new_community = CommunityInsertForm::builder()
 580       .name("test_community_3".to_string())
 581       .title("nada".to_owned())
 582       .public_key("pubkey".to_string())
 583       .instance_id(inserted_instance.id)
 584       .build();
 585
 586     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 587
 588     // Test a person block, make sure the post query doesn't include their post
 589     let blocked_person = PersonInsertForm::builder()
 590       .name(person_name)
 591       .public_key("pubkey".to_string())
 592       .instance_id(inserted_instance.id)
 593       .build();
 594
 595     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 596
 597     let post_from_blocked_person = PostInsertForm::builder()
 598       .name("blocked_person_post".to_string())
 599       .creator_id(inserted_blocked_person.id)
 600       .community_id(inserted_community.id)
 601       .language_id(Some(LanguageId(1)))
 602       .build();
 603
 604     Post::create(pool, &post_from_blocked_person).await.unwrap();
 605
 606     // block that person
 607     let person_block = PersonBlockForm {
 608       person_id: inserted_person.id,
 609       target_id: inserted_blocked_person.id,
 610     };
 611
 612     PersonBlock::block(pool, &person_block).await.unwrap();
 613
 614     // A sample post
 615     let new_post = PostInsertForm::builder()
 616       .name("test post 3".to_string())
 617       .creator_id(inserted_person.id)
 618       .community_id(inserted_community.id)
 619       .language_id(Some(LanguageId(47)))
 620       .build();
 621
 622     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 623
 624     let new_bot_post = PostInsertForm::builder()
 625       .name("test bot post".to_string())
 626       .creator_id(inserted_bot.id)
 627       .community_id(inserted_community.id)
 628       .build();
 629
 630     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 631
 632     Data {
 633       inserted_instance,
 634       inserted_person,
 635       inserted_local_user,
 636       inserted_blocked_person,
 637       inserted_bot,
 638       inserted_community,
 639       inserted_post,
 640     }
 641   }
 642
 643   #[tokio::test]
 644   #[serial]
 645   async fn post_listing_with_person() {
 646     let pool = &build_db_pool_for_tests().await;
 647     let data = init_data(pool).await;
 648
 649     let local_user_form = LocalUserUpdateForm::builder()
 650       .show_bot_accounts(Some(false))
 651       .build();
 652     let inserted_local_user =
 653       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 654         .await
 655         .unwrap();
 656
 657     let read_post_listing = PostQuery::builder()
 658       .pool(pool)
 659       .sort(Some(SortType::New))
 660       .community_id(Some(data.inserted_community.id))
 661       .local_user(Some(&inserted_local_user))
 662       .build()
 663       .list()
 664       .await
 665       .unwrap();
 666
 667     let post_listing_single_with_person = PostView::read(
 668       pool,
 669       data.inserted_post.id,
 670       Some(data.inserted_person.id),
 671       None,
 672     )
 673     .await
 674     .unwrap();
 675
 676     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 677
 678     // Should be only one person, IE the bot post, and blocked should be missing
 679     assert_eq!(1, read_post_listing.len());
 680
 681     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 682     expected_post_listing_with_user.my_vote = Some(0);
 683     assert_eq!(
 684       expected_post_listing_with_user,
 685       post_listing_single_with_person
 686     );
 687
 688     let local_user_form = LocalUserUpdateForm::builder()
 689       .show_bot_accounts(Some(true))
 690       .build();
 691     let inserted_local_user =
 692       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 693         .await
 694         .unwrap();
 695
 696     let post_listings_with_bots = PostQuery::builder()
 697       .pool(pool)
 698       .sort(Some(SortType::New))
 699       .community_id(Some(data.inserted_community.id))
 700       .local_user(Some(&inserted_local_user))
 701       .build()
 702       .list()
 703       .await
 704       .unwrap();
 705     // should include bot post which has "undetermined" language
 706     assert_eq!(2, post_listings_with_bots.len());
 707
 708     cleanup(data, pool).await;
 709   }
 710
 711   #[tokio::test]
 712   #[serial]
 713   async fn post_listing_no_person() {
 714     let pool = &build_db_pool_for_tests().await;
 715     let data = init_data(pool).await;
 716
 717     let read_post_listing_multiple_no_person = PostQuery::builder()
 718       .pool(pool)
 719       .sort(Some(SortType::New))
 720       .community_id(Some(data.inserted_community.id))
 721       .build()
 722       .list()
 723       .await
 724       .unwrap();
 725
 726     let read_post_listing_single_no_person =
 727       PostView::read(pool, data.inserted_post.id, None, None)
 728         .await
 729         .unwrap();
 730
 731     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 732
 733     // Should be 2 posts, with the bot post, and the blocked
 734     assert_eq!(3, read_post_listing_multiple_no_person.len());
 735
 736     assert_eq!(
 737       expected_post_listing_no_person,
 738       read_post_listing_multiple_no_person[1]
 739     );
 740     assert_eq!(
 741       expected_post_listing_no_person,
 742       read_post_listing_single_no_person
 743     );
 744
 745     cleanup(data, pool).await;
 746   }
 747
 748   #[tokio::test]
 749   #[serial]
 750   async fn post_listing_block_community() {
 751     let pool = &build_db_pool_for_tests().await;
 752     let data = init_data(pool).await;
 753
 754     let community_block = CommunityBlockForm {
 755       person_id: data.inserted_person.id,
 756       community_id: data.inserted_community.id,
 757     };
 758     CommunityBlock::block(pool, &community_block).await.unwrap();
 759
 760     let read_post_listings_with_person_after_block = PostQuery::builder()
 761       .pool(pool)
 762       .sort(Some(SortType::New))
 763       .community_id(Some(data.inserted_community.id))
 764       .local_user(Some(&data.inserted_local_user))
 765       .build()
 766       .list()
 767       .await
 768       .unwrap();
 769     // Should be 0 posts after the community block
 770     assert_eq!(0, read_post_listings_with_person_after_block.len());
 771
 772     CommunityBlock::unblock(pool, &community_block)
 773       .await
 774       .unwrap();
 775     cleanup(data, pool).await;
 776   }
 777
 778   #[tokio::test]
 779   #[serial]
 780   async fn post_listing_like() {
 781     let pool = &build_db_pool_for_tests().await;
 782     let data = init_data(pool).await;
 783
 784     let post_like_form = PostLikeForm {
 785       post_id: data.inserted_post.id,
 786       person_id: data.inserted_person.id,
 787       score: 1,
 788     };
 789
 790     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 791
 792     let expected_post_like = PostLike {
 793       id: inserted_post_like.id,
 794       post_id: data.inserted_post.id,
 795       person_id: data.inserted_person.id,
 796       published: inserted_post_like.published,
 797       score: 1,
 798     };
 799     assert_eq!(expected_post_like, inserted_post_like);
 800
 801     let like_removed = PostLike::remove(pool, data.inserted_person.id, data.inserted_post.id)
 802       .await
 803       .unwrap();
 804     assert_eq!(1, like_removed);
 805     cleanup(data, pool).await;
 806   }
 807
 808   #[tokio::test]
 809   #[serial]
 810   async fn post_listing_person_language() {
 811     let pool = &build_db_pool_for_tests().await;
 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.inserted_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::builder()
 828       .pool(pool)
 829       .sort(Some(SortType::New))
 830       .local_user(Some(&data.inserted_local_user))
 831       .build()
 832       .list()
 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.inserted_local_user.id)
 844       .await
 845       .unwrap();
 846
 847     let post_listing_french = PostQuery::builder()
 848       .pool(pool)
 849       .sort(Some(SortType::New))
 850       .local_user(Some(&data.inserted_local_user))
 851       .build()
 852       .list()
 853       .await
 854       .unwrap();
 855
 856     // only one french language post should be returned
 857     assert_eq!(1, post_listing_french.len());
 858     assert_eq!(french_id, post_listing_french[0].post.language_id);
 859
 860     LocalUserLanguage::update(
 861       pool,
 862       vec![french_id, UNDETERMINED_ID],
 863       data.inserted_local_user.id,
 864     )
 865     .await
 866     .unwrap();
 867     let post_listings_french_und = PostQuery::builder()
 868       .pool(pool)
 869       .sort(Some(SortType::New))
 870       .local_user(Some(&data.inserted_local_user))
 871       .build()
 872       .list()
 873       .await
 874       .unwrap();
 875
 876     // french post and undetermined language post should be returned
 877     assert_eq!(2, post_listings_french_und.len());
 878     assert_eq!(
 879       UNDETERMINED_ID,
 880       post_listings_french_und[0].post.language_id
 881     );
 882     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 883
 884     cleanup(data, pool).await;
 885   }
 886
 887   async fn cleanup(data: Data, pool: &DbPool) {
 888     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
 889     Community::delete(pool, data.inserted_community.id)
 890       .await
 891       .unwrap();
 892     Person::delete(pool, data.inserted_person.id).await.unwrap();
 893     Person::delete(pool, data.inserted_bot.id).await.unwrap();
 894     Person::delete(pool, data.inserted_blocked_person.id)
 895       .await
 896       .unwrap();
 897     Instance::delete(pool, data.inserted_instance.id)
 898       .await
 899       .unwrap();
 900     assert_eq!(1, num_deleted);
 901   }
 902
 903   async fn expected_post_view(data: &Data, pool: &DbPool) -> PostView {
 904     let (inserted_person, inserted_community, inserted_post) = (
 905       &data.inserted_person,
 906       &data.inserted_community,
 907       &data.inserted_post,
 908     );
 909     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 910
 911     PostView {
 912       post: Post {
 913         id: inserted_post.id,
 914         name: inserted_post.name.clone(),
 915         creator_id: inserted_person.id,
 916         url: None,
 917         body: None,
 918         published: inserted_post.published,
 919         updated: None,
 920         community_id: inserted_community.id,
 921         removed: false,
 922         deleted: false,
 923         locked: false,
 924         nsfw: false,
 925         embed_title: None,
 926         embed_description: None,
 927         embed_video_url: None,
 928         thumbnail_url: None,
 929         ap_id: inserted_post.ap_id.clone(),
 930         local: true,
 931         language_id: LanguageId(47),
 932         featured_community: false,
 933         featured_local: false,
 934       },
 935       my_vote: None,
 936       unread_comments: 0,
 937       creator: PersonSafe {
 938         id: inserted_person.id,
 939         name: inserted_person.name.clone(),
 940         display_name: None,
 941         published: inserted_person.published,
 942         avatar: None,
 943         actor_id: inserted_person.actor_id.clone(),
 944         local: true,
 945         admin: false,
 946         bot_account: false,
 947         banned: false,
 948         deleted: false,
 949         bio: None,
 950         banner: None,
 951         updated: None,
 952         inbox_url: inserted_person.inbox_url.clone(),
 953         shared_inbox_url: None,
 954         matrix_user_id: None,
 955         ban_expires: None,
 956         instance_id: data.inserted_instance.id,
 957       },
 958       creator_banned_from_community: false,
 959       community: CommunitySafe {
 960         id: inserted_community.id,
 961         name: inserted_community.name.clone(),
 962         icon: None,
 963         removed: false,
 964         deleted: false,
 965         nsfw: false,
 966         actor_id: inserted_community.actor_id.clone(),
 967         local: true,
 968         title: "nada".to_owned(),
 969         description: None,
 970         updated: None,
 971         banner: None,
 972         hidden: false,
 973         posting_restricted_to_mods: false,
 974         published: inserted_community.published,
 975         instance_id: data.inserted_instance.id,
 976       },
 977       counts: PostAggregates {
 978         id: agg.id,
 979         post_id: inserted_post.id,
 980         comments: 0,
 981         score: 0,
 982         upvotes: 0,
 983         downvotes: 0,
 984         published: agg.published,
 985         newest_comment_time_necro: inserted_post.published,
 986         newest_comment_time: inserted_post.published,
 987         featured_community: false,
 988         featured_local: false,
 989       },
 990       subscribed: SubscribedType::NotSubscribed,
 991       read: false,
 992       saved: false,
 993       creator_blocked: false,
 994     }
 995   }
 996 }