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   ) -> Result<Self, Error> {
  72     let conn = &mut get_conn(pool).await?;
  73
  74     // The left join below will return None in this case
  75     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  76     let (
  77       post,
  78       creator,
  79       community,
  80       creator_banned_from_community,
  81       counts,
  82       follower,
  83       saved,
  84       read,
  85       creator_blocked,
  86       post_like,
  87       unread_comments,
  88     ) = post::table
  89       .find(post_id)
  90       .inner_join(person::table)
  91       .inner_join(community::table)
  92       .left_join(
  93         community_person_ban::table.on(
  94           post::community_id
  95             .eq(community_person_ban::community_id)
  96             .and(community_person_ban::person_id.eq(post::creator_id))
  97             .and(
  98               community_person_ban::expires
  99                 .is_null()
 100                 .or(community_person_ban::expires.gt(now)),
 101             ),
 102         ),
 103       )
 104       .inner_join(post_aggregates::table)
 105       .left_join(
 106         community_follower::table.on(
 107           post::community_id
 108             .eq(community_follower::community_id)
 109             .and(community_follower::person_id.eq(person_id_join)),
 110         ),
 111       )
 112       .left_join(
 113         post_saved::table.on(
 114           post::id
 115             .eq(post_saved::post_id)
 116             .and(post_saved::person_id.eq(person_id_join)),
 117         ),
 118       )
 119       .left_join(
 120         post_read::table.on(
 121           post::id
 122             .eq(post_read::post_id)
 123             .and(post_read::person_id.eq(person_id_join)),
 124         ),
 125       )
 126       .left_join(
 127         person_block::table.on(
 128           post::creator_id
 129             .eq(person_block::target_id)
 130             .and(person_block::person_id.eq(person_id_join)),
 131         ),
 132       )
 133       .left_join(
 134         post_like::table.on(
 135           post::id
 136             .eq(post_like::post_id)
 137             .and(post_like::person_id.eq(person_id_join)),
 138         ),
 139       )
 140       .left_join(
 141         person_post_aggregates::table.on(
 142           post::id
 143             .eq(person_post_aggregates::post_id)
 144             .and(person_post_aggregates::person_id.eq(person_id_join)),
 145         ),
 146       )
 147       .select((
 148         post::all_columns,
 149         Person::safe_columns_tuple(),
 150         Community::safe_columns_tuple(),
 151         community_person_ban::all_columns.nullable(),
 152         post_aggregates::all_columns,
 153         community_follower::all_columns.nullable(),
 154         post_saved::all_columns.nullable(),
 155         post_read::all_columns.nullable(),
 156         person_block::all_columns.nullable(),
 157         post_like::score.nullable(),
 158         coalesce(
 159           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 160           post_aggregates::comments,
 161         ),
 162       ))
 163       .first::<PostViewTuple>(conn)
 164       .await?;
 165
 166     // If a person is given, then my_vote, if None, should be 0, not null
 167     // Necessary to differentiate between other person's votes
 168     let my_vote = if my_person_id.is_some() && post_like.is_none() {
 169       Some(0)
 170     } else {
 171       post_like
 172     };
 173
 174     Ok(PostView {
 175       post,
 176       creator,
 177       community,
 178       creator_banned_from_community: creator_banned_from_community.is_some(),
 179       counts,
 180       subscribed: CommunityFollower::to_subscribed_type(&follower),
 181       saved: saved.is_some(),
 182       read: read.is_some(),
 183       creator_blocked: creator_blocked.is_some(),
 184       my_vote,
 185       unread_comments,
 186     })
 187   }
 188 }
 189
 190 #[derive(TypedBuilder)]
 191 #[builder(field_defaults(default))]
 192 pub struct PostQuery<'a> {
 193   #[builder(!default)]
 194   pool: &'a DbPool,
 195   listing_type: Option<ListingType>,
 196   sort: Option<SortType>,
 197   creator_id: Option<PersonId>,
 198   community_id: Option<CommunityId>,
 199   community_actor_id: Option<DbUrl>,
 200   local_user: Option<&'a LocalUser>,
 201   search_term: Option<String>,
 202   url_search: Option<String>,
 203   saved_only: Option<bool>,
 204   page: Option<i64>,
 205   limit: Option<i64>,
 206 }
 207
 208 impl<'a> PostQuery<'a> {
 209   pub async fn list(self) -> Result<Vec<PostView>, Error> {
 210     let conn = &mut get_conn(self.pool).await?;
 211
 212     // The left join below will return None in this case
 213     let person_id_join = self.local_user.map(|l| l.person_id).unwrap_or(PersonId(-1));
 214     let local_user_id_join = self.local_user.map(|l| l.id).unwrap_or(LocalUserId(-1));
 215
 216     let mut query = post::table
 217       .inner_join(person::table)
 218       .inner_join(community::table)
 219       .left_join(
 220         community_person_ban::table.on(
 221           post::community_id
 222             .eq(community_person_ban::community_id)
 223             .and(community_person_ban::person_id.eq(post::creator_id))
 224             .and(
 225               community_person_ban::expires
 226                 .is_null()
 227                 .or(community_person_ban::expires.gt(now)),
 228             ),
 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           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::safe_columns_tuple(),
 291         Community::safe_columns_tuple(),
 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     if let Some(listing_type) = self.listing_type {
 307       match listing_type {
 308         ListingType::Subscribed => {
 309           query = query.filter(community_follower::person_id.is_not_null())
 310         }
 311         ListingType::Local => {
 312           query = query.filter(community::local.eq(true)).filter(
 313             community::hidden
 314               .eq(false)
 315               .or(community_follower::person_id.eq(person_id_join)),
 316           );
 317         }
 318         ListingType::All => {
 319           query = query.filter(
 320             community::hidden
 321               .eq(false)
 322               .or(community_follower::person_id.eq(person_id_join)),
 323           )
 324         }
 325       }
 326     }
 327     if self.community_id.is_none() && self.community_actor_id.is_none() {
 328       query = query.then_order_by(post_aggregates::featured_local.desc());
 329     } else if let Some(community_id) = self.community_id {
 330       query = query
 331         .filter(post::community_id.eq(community_id))
 332         .then_order_by(post_aggregates::featured_community.desc());
 333     } else if let Some(community_actor_id) = self.community_actor_id {
 334       query = query
 335         .filter(community::actor_id.eq(community_actor_id))
 336         .then_order_by(post_aggregates::featured_community.desc());
 337     }
 338
 339     if let Some(url_search) = self.url_search {
 340       query = query.filter(post::url.eq(url_search));
 341     }
 342
 343     if let Some(search_term) = self.search_term {
 344       let searcher = fuzzy_search(&search_term);
 345       query = query.filter(
 346         post::name
 347           .ilike(searcher.clone())
 348           .or(post::body.ilike(searcher)),
 349       );
 350     }
 351
 352     // If its for a specific person, show the removed / deleted
 353     if let Some(creator_id) = self.creator_id {
 354       query = query.filter(post::creator_id.eq(creator_id));
 355     }
 356
 357     if !self.local_user.map(|l| l.show_nsfw).unwrap_or(false) {
 358       query = query
 359         .filter(post::nsfw.eq(false))
 360         .filter(community::nsfw.eq(false));
 361     };
 362
 363     if !self.local_user.map(|l| l.show_bot_accounts).unwrap_or(true) {
 364       query = query.filter(person::bot_account.eq(false));
 365     };
 366
 367     if self.saved_only.unwrap_or(false) {
 368       query = query.filter(post_saved::id.is_not_null());
 369     }
 370     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 371     // setting wont be able to see saved posts.
 372     else if !self.local_user.map(|l| l.show_read_posts).unwrap_or(true) {
 373       query = query.filter(post_read::id.is_null());
 374     }
 375
 376     if self.local_user.is_some() {
 377       // Filter out the rows with missing languages
 378       query = query.filter(local_user_language::id.is_not_null());
 379
 380       // Don't show blocked communities or persons
 381       query = query.filter(community_block::person_id.is_null());
 382       query = query.filter(person_block::person_id.is_null());
 383     }
 384
 385     query = match self.sort.unwrap_or(SortType::Hot) {
 386       SortType::Active => query
 387         .then_order_by(
 388           hot_rank(
 389             post_aggregates::score,
 390             post_aggregates::newest_comment_time_necro,
 391           )
 392           .desc(),
 393         )
 394         .then_order_by(post_aggregates::newest_comment_time_necro.desc()),
 395       SortType::Hot => query
 396         .then_order_by(hot_rank(post_aggregates::score, post_aggregates::published).desc())
 397         .then_order_by(post_aggregates::published.desc()),
 398       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 399       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 400       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 401       SortType::MostComments => query
 402         .then_order_by(post_aggregates::comments.desc())
 403         .then_order_by(post_aggregates::published.desc()),
 404       SortType::TopAll => query
 405         .then_order_by(post_aggregates::score.desc())
 406         .then_order_by(post_aggregates::published.desc()),
 407       SortType::TopYear => query
 408         .filter(post_aggregates::published.gt(now - 1.years()))
 409         .then_order_by(post_aggregates::score.desc())
 410         .then_order_by(post_aggregates::published.desc()),
 411       SortType::TopMonth => query
 412         .filter(post_aggregates::published.gt(now - 1.months()))
 413         .then_order_by(post_aggregates::score.desc())
 414         .then_order_by(post_aggregates::published.desc()),
 415       SortType::TopWeek => query
 416         .filter(post_aggregates::published.gt(now - 1.weeks()))
 417         .then_order_by(post_aggregates::score.desc())
 418         .then_order_by(post_aggregates::published.desc()),
 419       SortType::TopDay => query
 420         .filter(post_aggregates::published.gt(now - 1.days()))
 421         .then_order_by(post_aggregates::score.desc())
 422         .then_order_by(post_aggregates::published.desc()),
 423     };
 424
 425     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 426
 427     query = query
 428       .limit(limit)
 429       .offset(offset)
 430       .filter(post::removed.eq(false))
 431       .filter(post::deleted.eq(false))
 432       .filter(community::removed.eq(false))
 433       .filter(community::deleted.eq(false));
 434
 435     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 436
 437     let res = query.load::<PostViewTuple>(conn).await?;
 438
 439     Ok(PostView::from_tuple_to_vec(res))
 440   }
 441 }
 442
 443 impl ViewToVec for PostView {
 444   type DbTuple = PostViewTuple;
 445   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 446     items
 447       .into_iter()
 448       .map(|a| Self {
 449         post: a.0,
 450         creator: a.1,
 451         community: a.2,
 452         creator_banned_from_community: a.3.is_some(),
 453         counts: a.4,
 454         subscribed: CommunityFollower::to_subscribed_type(&a.5),
 455         saved: a.6.is_some(),
 456         read: a.7.is_some(),
 457         creator_blocked: a.8.is_some(),
 458         my_vote: a.9,
 459         unread_comments: a.10,
 460       })
 461       .collect::<Vec<Self>>()
 462   }
 463 }
 464
 465 #[cfg(test)]
 466 mod tests {
 467   use crate::post_view::{PostQuery, PostView};
 468   use lemmy_db_schema::{
 469     aggregates::structs::PostAggregates,
 470     newtypes::LanguageId,
 471     source::{
 472       actor_language::LocalUserLanguage,
 473       community::{Community, CommunityInsertForm, CommunitySafe},
 474       community_block::{CommunityBlock, CommunityBlockForm},
 475       instance::Instance,
 476       language::Language,
 477       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 478       person::{Person, PersonInsertForm, PersonSafe},
 479       person_block::{PersonBlock, PersonBlockForm},
 480       post::{Post, PostInsertForm, PostLike, PostLikeForm},
 481     },
 482     traits::{Blockable, Crud, Likeable},
 483     utils::{build_db_pool_for_tests, DbPool},
 484     SortType,
 485     SubscribedType,
 486   };
 487   use serial_test::serial;
 488
 489   struct Data {
 490     inserted_instance: Instance,
 491     inserted_person: Person,
 492     inserted_local_user: LocalUser,
 493     inserted_blocked_person: Person,
 494     inserted_bot: Person,
 495     inserted_community: Community,
 496     inserted_post: Post,
 497   }
 498
 499   async fn init_data(pool: &DbPool) -> Data {
 500     let inserted_instance = Instance::create(pool, "my_domain.tld").await.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 =
 616       PostView::read(pool, data.inserted_post.id, Some(data.inserted_person.id))
 617         .await
 618         .unwrap();
 619
 620     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 621
 622     // Should be only one person, IE the bot post, and blocked should be missing
 623     assert_eq!(1, read_post_listing.len());
 624
 625     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 626     expected_post_listing_with_user.my_vote = Some(0);
 627     assert_eq!(
 628       expected_post_listing_with_user,
 629       post_listing_single_with_person
 630     );
 631
 632     let local_user_form = LocalUserUpdateForm::builder()
 633       .show_bot_accounts(Some(true))
 634       .build();
 635     let inserted_local_user =
 636       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 637         .await
 638         .unwrap();
 639
 640     let post_listings_with_bots = PostQuery::builder()
 641       .pool(pool)
 642       .sort(Some(SortType::New))
 643       .community_id(Some(data.inserted_community.id))
 644       .local_user(Some(&inserted_local_user))
 645       .build()
 646       .list()
 647       .await
 648       .unwrap();
 649     // should include bot post which has "undetermined" language
 650     assert_eq!(2, post_listings_with_bots.len());
 651
 652     cleanup(data, pool).await;
 653   }
 654
 655   #[tokio::test]
 656   #[serial]
 657   async fn post_listing_no_person() {
 658     let pool = &build_db_pool_for_tests().await;
 659     let data = init_data(pool).await;
 660
 661     let read_post_listing_multiple_no_person = PostQuery::builder()
 662       .pool(pool)
 663       .sort(Some(SortType::New))
 664       .community_id(Some(data.inserted_community.id))
 665       .build()
 666       .list()
 667       .await
 668       .unwrap();
 669
 670     let read_post_listing_single_no_person = PostView::read(pool, data.inserted_post.id, None)
 671       .await
 672       .unwrap();
 673
 674     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 675
 676     // Should be 2 posts, with the bot post, and the blocked
 677     assert_eq!(3, read_post_listing_multiple_no_person.len());
 678
 679     assert_eq!(
 680       expected_post_listing_no_person,
 681       read_post_listing_multiple_no_person[1]
 682     );
 683     assert_eq!(
 684       expected_post_listing_no_person,
 685       read_post_listing_single_no_person
 686     );
 687
 688     cleanup(data, pool).await;
 689   }
 690
 691   #[tokio::test]
 692   #[serial]
 693   async fn post_listing_block_community() {
 694     let pool = &build_db_pool_for_tests().await;
 695     let data = init_data(pool).await;
 696
 697     let community_block = CommunityBlockForm {
 698       person_id: data.inserted_person.id,
 699       community_id: data.inserted_community.id,
 700     };
 701     CommunityBlock::block(pool, &community_block).await.unwrap();
 702
 703     let read_post_listings_with_person_after_block = PostQuery::builder()
 704       .pool(pool)
 705       .sort(Some(SortType::New))
 706       .community_id(Some(data.inserted_community.id))
 707       .local_user(Some(&data.inserted_local_user))
 708       .build()
 709       .list()
 710       .await
 711       .unwrap();
 712     // Should be 0 posts after the community block
 713     assert_eq!(0, read_post_listings_with_person_after_block.len());
 714
 715     CommunityBlock::unblock(pool, &community_block)
 716       .await
 717       .unwrap();
 718     cleanup(data, pool).await;
 719   }
 720
 721   #[tokio::test]
 722   #[serial]
 723   async fn post_listing_like() {
 724     let pool = &build_db_pool_for_tests().await;
 725     let data = init_data(pool).await;
 726
 727     let post_like_form = PostLikeForm {
 728       post_id: data.inserted_post.id,
 729       person_id: data.inserted_person.id,
 730       score: 1,
 731     };
 732
 733     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 734
 735     let expected_post_like = PostLike {
 736       id: inserted_post_like.id,
 737       post_id: data.inserted_post.id,
 738       person_id: data.inserted_person.id,
 739       published: inserted_post_like.published,
 740       score: 1,
 741     };
 742     assert_eq!(expected_post_like, inserted_post_like);
 743
 744     let like_removed = PostLike::remove(pool, data.inserted_person.id, data.inserted_post.id)
 745       .await
 746       .unwrap();
 747     assert_eq!(1, like_removed);
 748     cleanup(data, pool).await;
 749   }
 750
 751   #[tokio::test]
 752   #[serial]
 753   async fn post_listing_person_language() {
 754     let pool = &build_db_pool_for_tests().await;
 755     let data = init_data(pool).await;
 756
 757     let spanish_id = Language::read_id_from_code(pool, "es").await.unwrap();
 758     let post_spanish = PostInsertForm::builder()
 759       .name("asffgdsc".to_string())
 760       .creator_id(data.inserted_person.id)
 761       .community_id(data.inserted_community.id)
 762       .language_id(Some(spanish_id))
 763       .build();
 764
 765     Post::create(pool, &post_spanish).await.unwrap();
 766
 767     let post_listings_all = PostQuery::builder()
 768       .pool(pool)
 769       .sort(Some(SortType::New))
 770       .local_user(Some(&data.inserted_local_user))
 771       .build()
 772       .list()
 773       .await
 774       .unwrap();
 775
 776     // no language filters specified, all posts should be returned
 777     assert_eq!(3, post_listings_all.len());
 778
 779     let french_id = Language::read_id_from_code(pool, "fr").await.unwrap();
 780     LocalUserLanguage::update(pool, vec![french_id], data.inserted_local_user.id)
 781       .await
 782       .unwrap();
 783
 784     let post_listing_french = PostQuery::builder()
 785       .pool(pool)
 786       .sort(Some(SortType::New))
 787       .local_user(Some(&data.inserted_local_user))
 788       .build()
 789       .list()
 790       .await
 791       .unwrap();
 792
 793     // only one french language post should be returned
 794     assert_eq!(1, post_listing_french.len());
 795     assert_eq!(french_id, post_listing_french[0].post.language_id);
 796
 797     let undetermined_id = Language::read_id_from_code(pool, "und").await.unwrap();
 798     LocalUserLanguage::update(
 799       pool,
 800       vec![french_id, undetermined_id],
 801       data.inserted_local_user.id,
 802     )
 803     .await
 804     .unwrap();
 805     let post_listings_french_und = PostQuery::builder()
 806       .pool(pool)
 807       .sort(Some(SortType::New))
 808       .local_user(Some(&data.inserted_local_user))
 809       .build()
 810       .list()
 811       .await
 812       .unwrap();
 813
 814     // french post and undetermined language post should be returned
 815     assert_eq!(2, post_listings_french_und.len());
 816     assert_eq!(
 817       undetermined_id,
 818       post_listings_french_und[0].post.language_id
 819     );
 820     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 821
 822     cleanup(data, pool).await;
 823   }
 824
 825   async fn cleanup(data: Data, pool: &DbPool) {
 826     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
 827     Community::delete(pool, data.inserted_community.id)
 828       .await
 829       .unwrap();
 830     Person::delete(pool, data.inserted_person.id).await.unwrap();
 831     Person::delete(pool, data.inserted_bot.id).await.unwrap();
 832     Person::delete(pool, data.inserted_blocked_person.id)
 833       .await
 834       .unwrap();
 835     Instance::delete(pool, data.inserted_instance.id)
 836       .await
 837       .unwrap();
 838     assert_eq!(1, num_deleted);
 839   }
 840
 841   async fn expected_post_view(data: &Data, pool: &DbPool) -> PostView {
 842     let (inserted_person, inserted_community, inserted_post) = (
 843       &data.inserted_person,
 844       &data.inserted_community,
 845       &data.inserted_post,
 846     );
 847     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 848
 849     PostView {
 850       post: Post {
 851         id: inserted_post.id,
 852         name: inserted_post.name.clone(),
 853         creator_id: inserted_person.id,
 854         url: None,
 855         body: None,
 856         published: inserted_post.published,
 857         updated: None,
 858         community_id: inserted_community.id,
 859         removed: false,
 860         deleted: false,
 861         locked: false,
 862         nsfw: false,
 863         embed_title: None,
 864         embed_description: None,
 865         embed_video_url: None,
 866         thumbnail_url: None,
 867         ap_id: inserted_post.ap_id.clone(),
 868         local: true,
 869         language_id: LanguageId(47),
 870         featured_community: false,
 871         featured_local: false,
 872       },
 873       my_vote: None,
 874       unread_comments: 0,
 875       creator: PersonSafe {
 876         id: inserted_person.id,
 877         name: inserted_person.name.clone(),
 878         display_name: None,
 879         published: inserted_person.published,
 880         avatar: None,
 881         actor_id: inserted_person.actor_id.clone(),
 882         local: true,
 883         admin: false,
 884         bot_account: false,
 885         banned: false,
 886         deleted: false,
 887         bio: None,
 888         banner: None,
 889         updated: None,
 890         inbox_url: inserted_person.inbox_url.clone(),
 891         shared_inbox_url: None,
 892         matrix_user_id: None,
 893         ban_expires: None,
 894         instance_id: data.inserted_instance.id,
 895       },
 896       creator_banned_from_community: false,
 897       community: CommunitySafe {
 898         id: inserted_community.id,
 899         name: inserted_community.name.clone(),
 900         icon: None,
 901         removed: false,
 902         deleted: false,
 903         nsfw: false,
 904         actor_id: inserted_community.actor_id.clone(),
 905         local: true,
 906         title: "nada".to_owned(),
 907         description: None,
 908         updated: None,
 909         banner: None,
 910         hidden: false,
 911         posting_restricted_to_mods: false,
 912         published: inserted_community.published,
 913         instance_id: data.inserted_instance.id,
 914       },
 915       counts: PostAggregates {
 916         id: agg.id,
 917         post_id: inserted_post.id,
 918         comments: 0,
 919         score: 0,
 920         upvotes: 0,
 921         downvotes: 0,
 922         published: agg.published,
 923         newest_comment_time_necro: inserted_post.published,
 924         newest_comment_time: inserted_post.published,
 925         featured_community: false,
 926         featured_local: false,
 927       },
 928       subscribed: SubscribedType::NotSubscribed,
 929       read: false,
 930       saved: false,
 931       creator_blocked: false,
 932     }
 933   }
 934 }