crates/db_views/src/post_view.rs

   1 use crate::structs::{LocalUserView, PostView};
   2 use diesel::{
   3   debug_query,
   4   dsl::{now, IntervalDsl},
   5   pg::Pg,
   6   result::Error,
   7   sql_function,
   8   sql_types,
   9   BoolExpressionMethods,
  10   ExpressionMethods,
  11   JoinOnDsl,
  12   NullableExpressionMethods,
  13   PgTextExpressionMethods,
  14   QueryDsl,
  15 };
  16 use diesel_async::RunQueryDsl;
  17 use lemmy_db_schema::{
  18   aggregates::structs::PostAggregates,
  19   newtypes::{CommunityId, LocalUserId, PersonId, PostId},
  20   schema::{
  21     community,
  22     community_block,
  23     community_follower,
  24     community_moderator,
  25     community_person_ban,
  26     local_user_language,
  27     person,
  28     person_block,
  29     person_post_aggregates,
  30     post,
  31     post_aggregates,
  32     post_like,
  33     post_read,
  34     post_saved,
  35   },
  36   source::{
  37     community::{Community, CommunityFollower},
  38     person::Person,
  39     post::Post,
  40   },
  41   traits::JoinView,
  42   utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
  43   ListingType,
  44   SortType,
  45   SubscribedType,
  46 };
  47 use tracing::debug;
  48
  49 type PostViewTuple = (
  50   Post,
  51   Person,
  52   Community,
  53   bool,
  54   PostAggregates,
  55   SubscribedType,
  56   bool,
  57   bool,
  58   bool,
  59   Option<i16>,
  60   i64,
  61 );
  62
  63 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
  64
  65 fn queries<'a>() -> Queries<
  66   impl ReadFn<'a, PostView, (PostId, Option<PersonId>, Option<bool>)>,
  67   impl ListFn<'a, PostView, PostQuery<'a>>,
  68 > {
  69   let all_joins = |query: post_aggregates::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
  70     // The left join below will return None in this case
  71     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  72
  73     query
  74       .inner_join(person::table)
  75       .inner_join(community::table)
  76       .left_join(
  77         community_person_ban::table.on(
  78           post_aggregates::community_id
  79             .eq(community_person_ban::community_id)
  80             .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
  81         ),
  82       )
  83       .inner_join(post::table)
  84       .left_join(
  85         community_follower::table.on(
  86           post_aggregates::community_id
  87             .eq(community_follower::community_id)
  88             .and(community_follower::person_id.eq(person_id_join)),
  89         ),
  90       )
  91       .left_join(
  92         community_moderator::table.on(
  93           post::community_id
  94             .eq(community_moderator::community_id)
  95             .and(community_moderator::person_id.eq(person_id_join)),
  96         ),
  97       )
  98       .left_join(
  99         post_saved::table.on(
 100           post_aggregates::post_id
 101             .eq(post_saved::post_id)
 102             .and(post_saved::person_id.eq(person_id_join)),
 103         ),
 104       )
 105       .left_join(
 106         post_read::table.on(
 107           post_aggregates::post_id
 108             .eq(post_read::post_id)
 109             .and(post_read::person_id.eq(person_id_join)),
 110         ),
 111       )
 112       .left_join(
 113         person_block::table.on(
 114           post_aggregates::creator_id
 115             .eq(person_block::target_id)
 116             .and(person_block::person_id.eq(person_id_join)),
 117         ),
 118       )
 119       .left_join(
 120         post_like::table.on(
 121           post_aggregates::post_id
 122             .eq(post_like::post_id)
 123             .and(post_like::person_id.eq(person_id_join)),
 124         ),
 125       )
 126       .left_join(
 127         person_post_aggregates::table.on(
 128           post_aggregates::post_id
 129             .eq(person_post_aggregates::post_id)
 130             .and(person_post_aggregates::person_id.eq(person_id_join)),
 131         ),
 132       )
 133   };
 134
 135   let selection = (
 136     post::all_columns,
 137     person::all_columns,
 138     community::all_columns,
 139     community_person_ban::id.nullable().is_not_null(),
 140     post_aggregates::all_columns,
 141     CommunityFollower::select_subscribed_type(),
 142     post_saved::id.nullable().is_not_null(),
 143     post_read::id.nullable().is_not_null(),
 144     person_block::id.nullable().is_not_null(),
 145     post_like::score.nullable(),
 146     coalesce(
 147       post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 148       post_aggregates::comments,
 149     ),
 150   );
 151
 152   let read = move |mut conn: DbConn<'a>,
 153                    (post_id, my_person_id, is_mod_or_admin): (
 154     PostId,
 155     Option<PersonId>,
 156     Option<bool>,
 157   )| async move {
 158     // The left join below will return None in this case
 159     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
 160
 161     let mut query = all_joins(
 162       post_aggregates::table
 163         .filter(post_aggregates::post_id.eq(post_id))
 164         .into_boxed(),
 165       my_person_id,
 166     )
 167     .select(selection);
 168
 169     // Hide deleted and removed for non-admins or mods
 170     if !is_mod_or_admin.unwrap_or(false) {
 171       query = query
 172         .filter(community::removed.eq(false))
 173         .filter(post::removed.eq(false))
 174         // users can see their own deleted posts
 175         .filter(
 176           community::deleted
 177             .eq(false)
 178             .or(post::creator_id.eq(person_id_join)),
 179         )
 180         .filter(
 181           post::deleted
 182             .eq(false)
 183             .or(post::creator_id.eq(person_id_join)),
 184         );
 185     }
 186
 187     query.first::<PostViewTuple>(&mut conn).await
 188   };
 189
 190   let list = move |mut conn: DbConn<'a>, options: PostQuery<'a>| async move {
 191     let person_id = options.local_user.map(|l| l.person.id);
 192     let local_user_id = options.local_user.map(|l| l.local_user.id);
 193
 194     // The left join below will return None in this case
 195     let person_id_join = person_id.unwrap_or(PersonId(-1));
 196     let local_user_id_join = local_user_id.unwrap_or(LocalUserId(-1));
 197
 198     let mut query = all_joins(post_aggregates::table.into_boxed(), person_id)
 199       .left_join(
 200         community_block::table.on(
 201           post_aggregates::community_id
 202             .eq(community_block::community_id)
 203             .and(community_block::person_id.eq(person_id_join)),
 204         ),
 205       )
 206       .left_join(
 207         local_user_language::table.on(
 208           post::language_id
 209             .eq(local_user_language::language_id)
 210             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 211         ),
 212       )
 213       .select(selection);
 214
 215     let is_creator = options.creator_id == options.local_user.map(|l| l.person.id);
 216     // only show deleted posts to creator
 217     if is_creator {
 218       query = query
 219         .filter(community::deleted.eq(false))
 220         .filter(post::deleted.eq(false));
 221     }
 222
 223     let is_admin = options.local_user.map(|l| l.person.admin).unwrap_or(false);
 224     // only show removed posts to admin when viewing user profile
 225     if !(options.is_profile_view && is_admin) {
 226       query = query
 227         .filter(community::removed.eq(false))
 228         .filter(post::removed.eq(false));
 229     }
 230
 231     if options.community_id.is_none() {
 232       query = query.then_order_by(post_aggregates::featured_local.desc());
 233     } else if let Some(community_id) = options.community_id {
 234       query = query
 235         .filter(post_aggregates::community_id.eq(community_id))
 236         .then_order_by(post_aggregates::featured_community.desc());
 237     }
 238
 239     if let Some(creator_id) = options.creator_id {
 240       query = query.filter(post_aggregates::creator_id.eq(creator_id));
 241     }
 242
 243     if let Some(listing_type) = options.listing_type {
 244       match listing_type {
 245         ListingType::Subscribed => query = query.filter(community_follower::pending.is_not_null()),
 246         ListingType::Local => {
 247           query = query.filter(community::local.eq(true)).filter(
 248             community::hidden
 249               .eq(false)
 250               .or(community_follower::person_id.eq(person_id_join)),
 251           );
 252         }
 253         ListingType::All => {
 254           query = query.filter(
 255             community::hidden
 256               .eq(false)
 257               .or(community_follower::person_id.eq(person_id_join)),
 258           )
 259         }
 260       }
 261     }
 262
 263     if let Some(url_search) = options.url_search {
 264       query = query.filter(post::url.eq(url_search));
 265     }
 266
 267     if let Some(search_term) = options.search_term {
 268       let searcher = fuzzy_search(&search_term);
 269       query = query.filter(
 270         post::name
 271           .ilike(searcher.clone())
 272           .or(post::body.ilike(searcher)),
 273       );
 274     }
 275
 276     if !options
 277       .local_user
 278       .map(|l| l.local_user.show_nsfw)
 279       .unwrap_or(false)
 280     {
 281       query = query
 282         .filter(post::nsfw.eq(false))
 283         .filter(community::nsfw.eq(false));
 284     };
 285
 286     if !options
 287       .local_user
 288       .map(|l| l.local_user.show_bot_accounts)
 289       .unwrap_or(true)
 290     {
 291       query = query.filter(person::bot_account.eq(false));
 292     };
 293
 294     if options.saved_only.unwrap_or(false) {
 295       query = query.filter(post_saved::id.is_not_null());
 296     }
 297
 298     if options.moderator_view.unwrap_or(false) {
 299       query = query.filter(community_moderator::person_id.is_not_null());
 300     }
 301     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 302     // setting wont be able to see saved posts.
 303     else if !options
 304       .local_user
 305       .map(|l| l.local_user.show_read_posts)
 306       .unwrap_or(true)
 307     {
 308       // Do not hide read posts when it is a user profile view
 309       if !options.is_profile_view {
 310         query = query.filter(post_read::post_id.is_null());
 311       }
 312     }
 313
 314     if options.liked_only.unwrap_or_default() {
 315       query = query.filter(post_like::score.eq(1));
 316     } else if options.disliked_only.unwrap_or_default() {
 317       query = query.filter(post_like::score.eq(-1));
 318     }
 319
 320     if options.local_user.is_some() {
 321       // Filter out the rows with missing languages
 322       query = query.filter(local_user_language::language_id.is_not_null());
 323
 324       // Don't show blocked communities or persons
 325       query = query.filter(community_block::person_id.is_null());
 326       if !options.moderator_view.unwrap_or(false) {
 327         query = query.filter(person_block::person_id.is_null());
 328       }
 329     }
 330
 331     query = match options.sort.unwrap_or(SortType::Hot) {
 332       SortType::Active => query
 333         .then_order_by(post_aggregates::hot_rank_active.desc())
 334         .then_order_by(post_aggregates::published.desc()),
 335       SortType::Hot => query
 336         .then_order_by(post_aggregates::hot_rank.desc())
 337         .then_order_by(post_aggregates::published.desc()),
 338       SortType::Controversial => query.then_order_by(post_aggregates::controversy_rank.desc()),
 339       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 340       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 341       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 342       SortType::MostComments => query
 343         .then_order_by(post_aggregates::comments.desc())
 344         .then_order_by(post_aggregates::published.desc()),
 345       SortType::TopAll => query
 346         .then_order_by(post_aggregates::score.desc())
 347         .then_order_by(post_aggregates::published.desc()),
 348       SortType::TopYear => query
 349         .filter(post_aggregates::published.gt(now - 1.years()))
 350         .then_order_by(post_aggregates::score.desc())
 351         .then_order_by(post_aggregates::published.desc()),
 352       SortType::TopMonth => query
 353         .filter(post_aggregates::published.gt(now - 1.months()))
 354         .then_order_by(post_aggregates::score.desc())
 355         .then_order_by(post_aggregates::published.desc()),
 356       SortType::TopWeek => query
 357         .filter(post_aggregates::published.gt(now - 1.weeks()))
 358         .then_order_by(post_aggregates::score.desc())
 359         .then_order_by(post_aggregates::published.desc()),
 360       SortType::TopDay => query
 361         .filter(post_aggregates::published.gt(now - 1.days()))
 362         .then_order_by(post_aggregates::score.desc())
 363         .then_order_by(post_aggregates::published.desc()),
 364       SortType::TopHour => query
 365         .filter(post_aggregates::published.gt(now - 1.hours()))
 366         .then_order_by(post_aggregates::score.desc())
 367         .then_order_by(post_aggregates::published.desc()),
 368       SortType::TopSixHour => query
 369         .filter(post_aggregates::published.gt(now - 6.hours()))
 370         .then_order_by(post_aggregates::score.desc())
 371         .then_order_by(post_aggregates::published.desc()),
 372       SortType::TopTwelveHour => query
 373         .filter(post_aggregates::published.gt(now - 12.hours()))
 374         .then_order_by(post_aggregates::score.desc())
 375         .then_order_by(post_aggregates::published.desc()),
 376       SortType::TopThreeMonths => query
 377         .filter(post_aggregates::published.gt(now - 3.months()))
 378         .then_order_by(post_aggregates::score.desc())
 379         .then_order_by(post_aggregates::published.desc()),
 380       SortType::TopSixMonths => query
 381         .filter(post_aggregates::published.gt(now - 6.months()))
 382         .then_order_by(post_aggregates::score.desc())
 383         .then_order_by(post_aggregates::published.desc()),
 384       SortType::TopNineMonths => query
 385         .filter(post_aggregates::published.gt(now - 9.months()))
 386         .then_order_by(post_aggregates::score.desc())
 387         .then_order_by(post_aggregates::published.desc()),
 388     };
 389
 390     let (limit, offset) = limit_and_offset(options.page, options.limit)?;
 391
 392     query = query.limit(limit).offset(offset);
 393
 394     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 395
 396     query.load::<PostViewTuple>(&mut conn).await
 397   };
 398
 399   Queries::new(read, list)
 400 }
 401
 402 impl PostView {
 403   pub async fn read(
 404     pool: &mut DbPool<'_>,
 405     post_id: PostId,
 406     my_person_id: Option<PersonId>,
 407     is_mod_or_admin: Option<bool>,
 408   ) -> Result<Self, Error> {
 409     let mut res = queries()
 410       .read(pool, (post_id, my_person_id, is_mod_or_admin))
 411       .await?;
 412
 413     // If a person is given, then my_vote, if None, should be 0, not null
 414     // Necessary to differentiate between other person's votes
 415     if my_person_id.is_some() && res.my_vote.is_none() {
 416       res.my_vote = Some(0)
 417     };
 418
 419     Ok(res)
 420   }
 421 }
 422
 423 #[derive(Default)]
 424 pub struct PostQuery<'a> {
 425   pub listing_type: Option<ListingType>,
 426   pub sort: Option<SortType>,
 427   pub creator_id: Option<PersonId>,
 428   pub community_id: Option<CommunityId>,
 429   pub local_user: Option<&'a LocalUserView>,
 430   pub search_term: Option<String>,
 431   pub url_search: Option<String>,
 432   pub saved_only: Option<bool>,
 433   pub liked_only: Option<bool>,
 434   pub disliked_only: Option<bool>,
 435   pub moderator_view: Option<bool>,
 436   pub is_profile_view: bool,
 437   pub page: Option<i64>,
 438   pub limit: Option<i64>,
 439 }
 440
 441 impl<'a> PostQuery<'a> {
 442   pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
 443     queries().list(pool, self).await
 444   }
 445 }
 446
 447 impl JoinView for PostView {
 448   type JoinTuple = PostViewTuple;
 449   fn from_tuple(a: Self::JoinTuple) -> Self {
 450     Self {
 451       post: a.0,
 452       creator: a.1,
 453       community: a.2,
 454       creator_banned_from_community: a.3,
 455       counts: a.4,
 456       subscribed: a.5,
 457       saved: a.6,
 458       read: a.7,
 459       creator_blocked: a.8,
 460       my_vote: a.9,
 461       unread_comments: a.10,
 462     }
 463   }
 464 }
 465
 466 #[cfg(test)]
 467 mod tests {
 468   #![allow(clippy::unwrap_used)]
 469   #![allow(clippy::indexing_slicing)]
 470
 471   use crate::{
 472     post_view::{PostQuery, PostView},
 473     structs::LocalUserView,
 474   };
 475   use lemmy_db_schema::{
 476     aggregates::structs::PostAggregates,
 477     impls::actor_language::UNDETERMINED_ID,
 478     newtypes::LanguageId,
 479     source::{
 480       actor_language::LocalUserLanguage,
 481       community::{Community, CommunityInsertForm},
 482       community_block::{CommunityBlock, CommunityBlockForm},
 483       instance::Instance,
 484       language::Language,
 485       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 486       person::{Person, PersonInsertForm},
 487       person_block::{PersonBlock, PersonBlockForm},
 488       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 489     },
 490     traits::{Blockable, Crud, Likeable},
 491     utils::{build_db_pool_for_tests, DbPool},
 492     SortType,
 493     SubscribedType,
 494   };
 495   use serial_test::serial;
 496
 497   struct Data {
 498     inserted_instance: Instance,
 499     local_user_view: LocalUserView,
 500     inserted_blocked_person: Person,
 501     inserted_bot: Person,
 502     inserted_community: Community,
 503     inserted_post: Post,
 504   }
 505
 506   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 507     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 508       .await
 509       .unwrap();
 510
 511     let person_name = "tegan".to_string();
 512
 513     let new_person = PersonInsertForm::builder()
 514       .name(person_name.clone())
 515       .public_key("pubkey".to_string())
 516       .instance_id(inserted_instance.id)
 517       .build();
 518
 519     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 520
 521     let local_user_form = LocalUserInsertForm::builder()
 522       .person_id(inserted_person.id)
 523       .password_encrypted(String::new())
 524       .build();
 525     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 526
 527     let new_bot = PersonInsertForm::builder()
 528       .name("mybot".to_string())
 529       .bot_account(Some(true))
 530       .public_key("pubkey".to_string())
 531       .instance_id(inserted_instance.id)
 532       .build();
 533
 534     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 535
 536     let new_community = CommunityInsertForm::builder()
 537       .name("test_community_3".to_string())
 538       .title("nada".to_owned())
 539       .public_key("pubkey".to_string())
 540       .instance_id(inserted_instance.id)
 541       .build();
 542
 543     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 544
 545     // Test a person block, make sure the post query doesn't include their post
 546     let blocked_person = PersonInsertForm::builder()
 547       .name(person_name)
 548       .public_key("pubkey".to_string())
 549       .instance_id(inserted_instance.id)
 550       .build();
 551
 552     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 553
 554     let post_from_blocked_person = PostInsertForm::builder()
 555       .name("blocked_person_post".to_string())
 556       .creator_id(inserted_blocked_person.id)
 557       .community_id(inserted_community.id)
 558       .language_id(Some(LanguageId(1)))
 559       .build();
 560
 561     Post::create(pool, &post_from_blocked_person).await.unwrap();
 562
 563     // block that person
 564     let person_block = PersonBlockForm {
 565       person_id: inserted_person.id,
 566       target_id: inserted_blocked_person.id,
 567     };
 568
 569     PersonBlock::block(pool, &person_block).await.unwrap();
 570
 571     // A sample post
 572     let new_post = PostInsertForm::builder()
 573       .name("test post 3".to_string())
 574       .creator_id(inserted_person.id)
 575       .community_id(inserted_community.id)
 576       .language_id(Some(LanguageId(47)))
 577       .build();
 578
 579     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 580
 581     let new_bot_post = PostInsertForm::builder()
 582       .name("test bot post".to_string())
 583       .creator_id(inserted_bot.id)
 584       .community_id(inserted_community.id)
 585       .build();
 586
 587     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 588     let local_user_view = LocalUserView {
 589       local_user: inserted_local_user,
 590       person: inserted_person,
 591       counts: Default::default(),
 592     };
 593
 594     Data {
 595       inserted_instance,
 596       local_user_view,
 597       inserted_blocked_person,
 598       inserted_bot,
 599       inserted_community,
 600       inserted_post,
 601     }
 602   }
 603
 604   #[tokio::test]
 605   #[serial]
 606   async fn post_listing_with_person() {
 607     let pool = &build_db_pool_for_tests().await;
 608     let pool = &mut pool.into();
 609     let mut data = init_data(pool).await;
 610
 611     let local_user_form = LocalUserUpdateForm {
 612       show_bot_accounts: Some(false),
 613       ..Default::default()
 614     };
 615     let inserted_local_user =
 616       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 617         .await
 618         .unwrap();
 619     data.local_user_view.local_user = inserted_local_user;
 620
 621     let read_post_listing = PostQuery {
 622       sort: (Some(SortType::New)),
 623       community_id: (Some(data.inserted_community.id)),
 624       local_user: (Some(&data.local_user_view)),
 625       ..Default::default()
 626     }
 627     .list(pool)
 628     .await
 629     .unwrap();
 630
 631     let post_listing_single_with_person = PostView::read(
 632       pool,
 633       data.inserted_post.id,
 634       Some(data.local_user_view.person.id),
 635       None,
 636     )
 637     .await
 638     .unwrap();
 639
 640     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 641
 642     // Should be only one person, IE the bot post, and blocked should be missing
 643     assert_eq!(1, read_post_listing.len());
 644
 645     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 646     expected_post_listing_with_user.my_vote = Some(0);
 647     assert_eq!(
 648       expected_post_listing_with_user,
 649       post_listing_single_with_person
 650     );
 651
 652     let local_user_form = LocalUserUpdateForm {
 653       show_bot_accounts: Some(true),
 654       ..Default::default()
 655     };
 656     let inserted_local_user =
 657       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 658         .await
 659         .unwrap();
 660     data.local_user_view.local_user = inserted_local_user;
 661
 662     let post_listings_with_bots = PostQuery {
 663       sort: (Some(SortType::New)),
 664       community_id: (Some(data.inserted_community.id)),
 665       local_user: (Some(&data.local_user_view)),
 666       ..Default::default()
 667     }
 668     .list(pool)
 669     .await
 670     .unwrap();
 671     // should include bot post which has "undetermined" language
 672     assert_eq!(2, post_listings_with_bots.len());
 673
 674     cleanup(data, pool).await;
 675   }
 676
 677   #[tokio::test]
 678   #[serial]
 679   async fn post_listing_no_person() {
 680     let pool = &build_db_pool_for_tests().await;
 681     let pool = &mut pool.into();
 682     let data = init_data(pool).await;
 683
 684     let read_post_listing_multiple_no_person = PostQuery {
 685       sort: (Some(SortType::New)),
 686       community_id: (Some(data.inserted_community.id)),
 687       ..Default::default()
 688     }
 689     .list(pool)
 690     .await
 691     .unwrap();
 692
 693     let read_post_listing_single_no_person =
 694       PostView::read(pool, data.inserted_post.id, None, None)
 695         .await
 696         .unwrap();
 697
 698     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 699
 700     // Should be 2 posts, with the bot post, and the blocked
 701     assert_eq!(3, read_post_listing_multiple_no_person.len());
 702
 703     assert_eq!(
 704       expected_post_listing_no_person,
 705       read_post_listing_multiple_no_person[1]
 706     );
 707     assert_eq!(
 708       expected_post_listing_no_person,
 709       read_post_listing_single_no_person
 710     );
 711
 712     cleanup(data, pool).await;
 713   }
 714
 715   #[tokio::test]
 716   #[serial]
 717   async fn post_listing_block_community() {
 718     let pool = &build_db_pool_for_tests().await;
 719     let pool = &mut pool.into();
 720     let data = init_data(pool).await;
 721
 722     let community_block = CommunityBlockForm {
 723       person_id: data.local_user_view.person.id,
 724       community_id: data.inserted_community.id,
 725     };
 726     CommunityBlock::block(pool, &community_block).await.unwrap();
 727
 728     let read_post_listings_with_person_after_block = PostQuery {
 729       sort: (Some(SortType::New)),
 730       community_id: (Some(data.inserted_community.id)),
 731       local_user: (Some(&data.local_user_view)),
 732       ..Default::default()
 733     }
 734     .list(pool)
 735     .await
 736     .unwrap();
 737     // Should be 0 posts after the community block
 738     assert_eq!(0, read_post_listings_with_person_after_block.len());
 739
 740     CommunityBlock::unblock(pool, &community_block)
 741       .await
 742       .unwrap();
 743     cleanup(data, pool).await;
 744   }
 745
 746   #[tokio::test]
 747   #[serial]
 748   async fn post_listing_like() {
 749     let pool = &build_db_pool_for_tests().await;
 750     let pool = &mut pool.into();
 751     let mut data = init_data(pool).await;
 752
 753     let post_like_form = PostLikeForm {
 754       post_id: data.inserted_post.id,
 755       person_id: data.local_user_view.person.id,
 756       score: 1,
 757     };
 758
 759     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 760
 761     let expected_post_like = PostLike {
 762       id: inserted_post_like.id,
 763       post_id: data.inserted_post.id,
 764       person_id: data.local_user_view.person.id,
 765       published: inserted_post_like.published,
 766       score: 1,
 767     };
 768     assert_eq!(expected_post_like, inserted_post_like);
 769
 770     let post_listing_single_with_person = PostView::read(
 771       pool,
 772       data.inserted_post.id,
 773       Some(data.local_user_view.person.id),
 774       None,
 775     )
 776     .await
 777     .unwrap();
 778
 779     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 780     expected_post_with_upvote.my_vote = Some(1);
 781     expected_post_with_upvote.counts.score = 1;
 782     expected_post_with_upvote.counts.upvotes = 1;
 783     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 784
 785     let local_user_form = LocalUserUpdateForm {
 786       show_bot_accounts: Some(false),
 787       ..Default::default()
 788     };
 789     let inserted_local_user =
 790       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 791         .await
 792         .unwrap();
 793     data.local_user_view.local_user = inserted_local_user;
 794
 795     let read_post_listing = PostQuery {
 796       sort: (Some(SortType::New)),
 797       community_id: (Some(data.inserted_community.id)),
 798       local_user: (Some(&data.local_user_view)),
 799       ..Default::default()
 800     }
 801     .list(pool)
 802     .await
 803     .unwrap();
 804     assert_eq!(1, read_post_listing.len());
 805
 806     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 807
 808     let read_liked_post_listing = PostQuery {
 809       community_id: (Some(data.inserted_community.id)),
 810       local_user: (Some(&data.local_user_view)),
 811       liked_only: (Some(true)),
 812       ..Default::default()
 813     }
 814     .list(pool)
 815     .await
 816     .unwrap();
 817     assert_eq!(read_post_listing, read_liked_post_listing);
 818
 819     let read_disliked_post_listing = PostQuery {
 820       community_id: (Some(data.inserted_community.id)),
 821       local_user: (Some(&data.local_user_view)),
 822       disliked_only: (Some(true)),
 823       ..Default::default()
 824     }
 825     .list(pool)
 826     .await
 827     .unwrap();
 828     assert!(read_disliked_post_listing.is_empty());
 829
 830     let like_removed =
 831       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 832         .await
 833         .unwrap();
 834     assert_eq!(1, like_removed);
 835     cleanup(data, pool).await;
 836   }
 837
 838   #[tokio::test]
 839   #[serial]
 840   async fn post_listing_person_language() {
 841     let pool = &build_db_pool_for_tests().await;
 842     let pool = &mut pool.into();
 843     let data = init_data(pool).await;
 844
 845     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 846       .await
 847       .unwrap()
 848       .unwrap();
 849     let post_spanish = PostInsertForm::builder()
 850       .name("asffgdsc".to_string())
 851       .creator_id(data.local_user_view.person.id)
 852       .community_id(data.inserted_community.id)
 853       .language_id(Some(spanish_id))
 854       .build();
 855
 856     Post::create(pool, &post_spanish).await.unwrap();
 857
 858     let post_listings_all = PostQuery {
 859       sort: (Some(SortType::New)),
 860       local_user: (Some(&data.local_user_view)),
 861       ..Default::default()
 862     }
 863     .list(pool)
 864     .await
 865     .unwrap();
 866
 867     // no language filters specified, all posts should be returned
 868     assert_eq!(3, post_listings_all.len());
 869
 870     let french_id = Language::read_id_from_code(pool, Some("fr"))
 871       .await
 872       .unwrap()
 873       .unwrap();
 874     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 875       .await
 876       .unwrap();
 877
 878     let post_listing_french = PostQuery {
 879       sort: (Some(SortType::New)),
 880       local_user: (Some(&data.local_user_view)),
 881       ..Default::default()
 882     }
 883     .list(pool)
 884     .await
 885     .unwrap();
 886
 887     // only one post in french and one undetermined should be returned
 888     assert_eq!(2, post_listing_french.len());
 889     assert!(post_listing_french
 890       .iter()
 891       .any(|p| p.post.language_id == french_id));
 892
 893     LocalUserLanguage::update(
 894       pool,
 895       vec![french_id, UNDETERMINED_ID],
 896       data.local_user_view.local_user.id,
 897     )
 898     .await
 899     .unwrap();
 900     let post_listings_french_und = PostQuery {
 901       sort: (Some(SortType::New)),
 902       local_user: (Some(&data.local_user_view)),
 903       ..Default::default()
 904     }
 905     .list(pool)
 906     .await
 907     .unwrap();
 908
 909     // french post and undetermined language post should be returned
 910     assert_eq!(2, post_listings_french_und.len());
 911     assert_eq!(
 912       UNDETERMINED_ID,
 913       post_listings_french_und[0].post.language_id
 914     );
 915     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 916
 917     cleanup(data, pool).await;
 918   }
 919
 920   #[tokio::test]
 921   #[serial]
 922   async fn post_listings_removed() {
 923     let pool = &build_db_pool_for_tests().await;
 924     let pool = &mut pool.into();
 925     let mut data = init_data(pool).await;
 926
 927     // Remove the post
 928     Post::update(
 929       pool,
 930       data.inserted_post.id,
 931       &PostUpdateForm {
 932         removed: Some(true),
 933         ..Default::default()
 934       },
 935     )
 936     .await
 937     .unwrap();
 938
 939     // Make sure you don't see the removed post in the results
 940     let post_listings_no_admin = PostQuery {
 941       sort: Some(SortType::New),
 942       local_user: Some(&data.local_user_view),
 943       ..Default::default()
 944     }
 945     .list(pool)
 946     .await
 947     .unwrap();
 948     assert_eq!(1, post_listings_no_admin.len());
 949
 950     // Removed post is shown to admins on profile page
 951     data.local_user_view.person.admin = true;
 952     let post_listings_is_admin = PostQuery {
 953       sort: Some(SortType::New),
 954       local_user: Some(&data.local_user_view),
 955       is_profile_view: true,
 956       ..Default::default()
 957     }
 958     .list(pool)
 959     .await
 960     .unwrap();
 961     assert_eq!(2, post_listings_is_admin.len());
 962
 963     cleanup(data, pool).await;
 964   }
 965
 966   #[tokio::test]
 967   #[serial]
 968   async fn post_listings_deleted() {
 969     let pool = &build_db_pool_for_tests().await;
 970     let pool = &mut pool.into();
 971     let data = init_data(pool).await;
 972
 973     // Delete the post
 974     Post::update(
 975       pool,
 976       data.inserted_post.id,
 977       &PostUpdateForm {
 978         deleted: Some(true),
 979         ..Default::default()
 980       },
 981     )
 982     .await
 983     .unwrap();
 984
 985     // Make sure you don't see the deleted post in the results
 986     let post_listings_no_creator = PostQuery {
 987       sort: Some(SortType::New),
 988       ..Default::default()
 989     }
 990     .list(pool)
 991     .await
 992     .unwrap();
 993     let not_contains_deleted = post_listings_no_creator
 994       .iter()
 995       .map(|p| p.post.id)
 996       .all(|p| p != data.inserted_post.id);
 997     assert!(not_contains_deleted);
 998
 999     // Deleted post is shown to creator
1000     let post_listings_is_creator = PostQuery {
1001       sort: Some(SortType::New),
1002       local_user: Some(&data.local_user_view),
1003       ..Default::default()
1004     }
1005     .list(pool)
1006     .await
1007     .unwrap();
1008     let contains_deleted = post_listings_is_creator
1009       .iter()
1010       .map(|p| p.post.id)
1011       .any(|p| p == data.inserted_post.id);
1012     assert!(contains_deleted);
1013
1014     cleanup(data, pool).await;
1015   }
1016
1017   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
1018     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
1019     Community::delete(pool, data.inserted_community.id)
1020       .await
1021       .unwrap();
1022     Person::delete(pool, data.local_user_view.person.id)
1023       .await
1024       .unwrap();
1025     Person::delete(pool, data.inserted_bot.id).await.unwrap();
1026     Person::delete(pool, data.inserted_blocked_person.id)
1027       .await
1028       .unwrap();
1029     Instance::delete(pool, data.inserted_instance.id)
1030       .await
1031       .unwrap();
1032     assert_eq!(1, num_deleted);
1033   }
1034
1035   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
1036     let (inserted_person, inserted_community, inserted_post) = (
1037       &data.local_user_view.person,
1038       &data.inserted_community,
1039       &data.inserted_post,
1040     );
1041     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1042
1043     PostView {
1044       post: Post {
1045         id: inserted_post.id,
1046         name: inserted_post.name.clone(),
1047         creator_id: inserted_person.id,
1048         url: None,
1049         body: None,
1050         published: inserted_post.published,
1051         updated: None,
1052         community_id: inserted_community.id,
1053         removed: false,
1054         deleted: false,
1055         locked: false,
1056         nsfw: false,
1057         embed_title: None,
1058         embed_description: None,
1059         embed_video_url: None,
1060         thumbnail_url: None,
1061         ap_id: inserted_post.ap_id.clone(),
1062         local: true,
1063         language_id: LanguageId(47),
1064         featured_community: false,
1065         featured_local: false,
1066       },
1067       my_vote: None,
1068       unread_comments: 0,
1069       creator: Person {
1070         id: inserted_person.id,
1071         name: inserted_person.name.clone(),
1072         display_name: None,
1073         published: inserted_person.published,
1074         avatar: None,
1075         actor_id: inserted_person.actor_id.clone(),
1076         local: true,
1077         admin: false,
1078         bot_account: false,
1079         banned: false,
1080         deleted: false,
1081         bio: None,
1082         banner: None,
1083         updated: None,
1084         inbox_url: inserted_person.inbox_url.clone(),
1085         shared_inbox_url: None,
1086         matrix_user_id: None,
1087         ban_expires: None,
1088         instance_id: data.inserted_instance.id,
1089         private_key: inserted_person.private_key.clone(),
1090         public_key: inserted_person.public_key.clone(),
1091         last_refreshed_at: inserted_person.last_refreshed_at,
1092       },
1093       creator_banned_from_community: false,
1094       community: Community {
1095         id: inserted_community.id,
1096         name: inserted_community.name.clone(),
1097         icon: None,
1098         removed: false,
1099         deleted: false,
1100         nsfw: false,
1101         actor_id: inserted_community.actor_id.clone(),
1102         local: true,
1103         title: "nada".to_owned(),
1104         description: None,
1105         updated: None,
1106         banner: None,
1107         hidden: false,
1108         posting_restricted_to_mods: false,
1109         published: inserted_community.published,
1110         instance_id: data.inserted_instance.id,
1111         private_key: inserted_community.private_key.clone(),
1112         public_key: inserted_community.public_key.clone(),
1113         last_refreshed_at: inserted_community.last_refreshed_at,
1114         followers_url: inserted_community.followers_url.clone(),
1115         inbox_url: inserted_community.inbox_url.clone(),
1116         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1117         moderators_url: inserted_community.moderators_url.clone(),
1118         featured_url: inserted_community.featured_url.clone(),
1119       },
1120       counts: PostAggregates {
1121         id: agg.id,
1122         post_id: inserted_post.id,
1123         comments: 0,
1124         score: 0,
1125         upvotes: 0,
1126         downvotes: 0,
1127         published: agg.published,
1128         newest_comment_time_necro: inserted_post.published,
1129         newest_comment_time: inserted_post.published,
1130         featured_community: false,
1131         featured_local: false,
1132         hot_rank: 1728,
1133         hot_rank_active: 1728,
1134         controversy_rank: 0.0,
1135         community_id: inserted_post.community_id,
1136         creator_id: inserted_post.creator_id,
1137       },
1138       subscribed: SubscribedType::NotSubscribed,
1139       read: false,
1140       saved: false,
1141       creator_blocked: false,
1142     }
1143   }
1144 }