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